diff --git a/.nojekyll b/.nojekyll new file mode 100644 index 000000000..e69de29bb diff --git a/00-getting-started/about/index.html b/00-getting-started/about/index.html new file mode 100644 index 000000000..9107a940f --- /dev/null +++ b/00-getting-started/about/index.html @@ -0,0 +1,808 @@ + + + + + + + + + + + + + + + + + + + + + + + About - Oscar's Homelab + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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About

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This documentation uses the Diátaxis technical documentation system, so is split between four modes of documentation:

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    +
  • Getting started
    • +
  • How to Guides
    • +
  • Knowledge Base
    • +
  • Reference
    • +
+

The website is generated using Material for MkDocs and can be viewed at homelab.oscaromeu.io

+

If you have any questions, don't hesitate to ask me on the community's Discord server.

+

Key Points

+
    +
  • The essentials of setting up and running the laboratory with ease.
    • +
  • How to operate the laboratory. Note that this document won't delve into every use case or technology in-depth.
    • +
  • Architecture diagrams and the vital roles of each component.
    • +
  • Observability.
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How-to's guides

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This site is under construction. Stay tuned for more updates.

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+ + + + + + + + + + \ No newline at end of file diff --git a/02-docs/index.html b/02-docs/index.html new file mode 100644 index 000000000..bb0aa3243 --- /dev/null +++ b/02-docs/index.html @@ -0,0 +1,737 @@ + + + + + + + + + + + + + + + + + + + Index - Oscar's Homelab + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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Index

+ +

This site is under construction. Stay tuned for more updates.

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+
+ + + + + + + + + + \ No newline at end of file diff --git a/03-tools/cloudflare/delete_records.sh b/03-tools/cloudflare/delete_records.sh new file mode 100644 index 000000000..3ec01611e --- /dev/null +++ b/03-tools/cloudflare/delete_records.sh @@ -0,0 +1,23 @@ +#!/bin/bash + +ZONE_ID="${ZONE_ID}" +AUTH_EMAIL="${AUTH_EMAIL}" +AUTH_KEY="${AUTH_KEY}" + +# Get the DNS record IDs +record_ids=$(curl -s --request GET \ + --url "https://api.cloudflare.com/client/v4/zones/$ZONE_ID/dns_records" \ + --header "Content-Type: application/json" \ + --header "X-Auth-Email: $AUTH_EMAIL" \ + --header "X-Auth-Key: $AUTH_KEY" | jq -r '.result[].id') + +# Loop through the IDs and fetch details for each DNS record +for id in $record_ids; do + curl -s --request DELETE \ + --url "https://api.cloudflare.com/client/v4/zones/$ZONE_ID/dns_records/$id" \ + --header "Content-Type: application/json" \ + --header "X-Auth-Email: $AUTH_EMAIL" \ + --header "X-Auth-Key: $AUTH_KEY" + echo "" # Add an empty line for separation between records +done + diff --git a/03-tools/elastic/cat_indices.sh b/03-tools/elastic/cat_indices.sh new file mode 100644 index 000000000..145d6d81c --- /dev/null +++ b/03-tools/elastic/cat_indices.sh @@ -0,0 +1,15 @@ +#!/bin/bash +# Define the Elasticsearch credentials +ES_USER="${ES_USER}" +ES_PASS=$(gopass show -o personal/homeops/logging/elastic) + +if [ -z "$ES_URL" ] || [ -z "$ES_USER" ] || [ -z "$ES_PASS" ]; then + echo "Please provide ES_URL, ES_USER, and ES_PASS environment variables." + exit 1 +fi + +# Make a curl request to Elasticsearch and process the output +curl_output=$(curl -sSL -u "$ES_USER":"$ES_PASS" "$ES_URL/_cat/indices/?v&s=index&bytes=b") +indices=$(echo "$curl_output" ) + +echo "$indices" diff --git a/03-tools/elastic/datastream_total_store_size.sh b/03-tools/elastic/datastream_total_store_size.sh new file mode 100644 index 000000000..b171475fd --- /dev/null +++ b/03-tools/elastic/datastream_total_store_size.sh @@ -0,0 +1,19 @@ +#!/bin/bash + +# Define Elasticsearch credentials +ES_USER="${ES_USER}" +ES_PASS=$(gopass show -o personal/homeops/logging/elastic) + +# Define Elasticsearch URL +ES_URL="${ES_URL}" + +# Fetch the data_stream_stats using _data_stream/_stats +DATA_STREAM_STATS=$(curl -sSL -u "$ES_USER:$ES_PASS" "$ES_URL/_data_stream/_stats") + +# Extract the relevant information from the response +STORE_SIZE_BYTES=$(echo "$DATA_STREAM_STATS" | jq -r '.total_store_size_bytes') +TIMESTAMP=$(date -u +"%Y-%m-%dT%H:%M:%S.000Z") +MESSAGE='{"@timestamp":"'"$TIMESTAMP"'","message":'"$DATA_STREAM_STATS"'}' + +# Ingest the JSON message into the index +curl -sSL -u "$ES_USER:$ES_PASS" -X POST "$ES_URL/logs-data-stream-test/_doc/" -H 'Content-Type: application/json' -d "$MESSAGE" diff --git a/03-tools/elastic/datastreams.txt b/03-tools/elastic/datastreams.txt new file mode 100644 index 000000000..bd018afd9 --- /dev/null +++ b/03-tools/elastic/datastreams.txt @@ -0,0 +1,11 @@ +logs-k3s_prod-cert-manager +logs-k3s_prod-datahub +logs-k3s_prod-dev +logs-k3s_prod-flux-system +logs-k3s_prod-kube-system +logs-k3s_prod-kyverno +logs-k3s_prod-longhorn +logs-k3s_prod-networking +logs-k3s_prod-tekton-chains +logs-k3s_prod-tekton-pipelines +logs-k3s_prod-tekton-pipelines-resolvers diff --git a/03-tools/elastic/es_kg_sync.sh b/03-tools/elastic/es_kg_sync.sh new file mode 100644 index 000000000..7fc98f4dd --- /dev/null +++ b/03-tools/elastic/es_kg_sync.sh @@ -0,0 +1,43 @@ +#!/bin/bash + +# Define Grafana API URL and API Key +GRAFANA_URL="https://grafana.oscaromeu.io" +API_KEY="glsa_35731F5zTsra7FmtyTQOEtR9I89eD5xg_45a98d02" + +# Define the Elasticsearch data source configuration +DATASOURCE_NAME="Test" +DATASOURCE_TYPE="elasticsearch" +DATASOURCE_URL="http://elasticsearch.oscaromeu.io:9200" # Elasticsearch endpoint URL +DATASOURCE_ACCESS="proxy" # Change to "direct" if needed +DATASOURCE_BASIC_AUTH="false" # Set to "true" if your Elasticsearch requires basic auth +DATASOURCE_USER="elastic" # Elasticsearch username if basic auth is enabled +DATASOURCE_PASSWORD="$(op item get elastic-api --vault home-ops --fields label=password)" # Elasticsearch password if basic auth is enabled + +# Create the JSON payload for the data source +DATA_SOURCE_JSON=$(cat <" + exit 1 +fi + +# Make a GET request to the specific ILM policy endpoint and save the JSON response +POLICY_JSON=$(curl -sSL -u "$ES_USER:$ES_PASS" "$ES_URL/_ilm/policy/$POLICY_NAME") + +# Extract and format the desired portion of the JSON response using jq +FORMATTED_POLICY_JSON=$(echo "$POLICY_JSON" | jq '.[].policy | { _meta, phases }') + +# Create a JSON file with the formatted policy content +SAVE_DIR="ilm_policy" +JSON_FILE="$SAVE_DIR/$POLICY_NAME.json" + +# Add the "policy" object to the beginning of the formatted JSON content +echo "{\"policy\": $FORMATTED_POLICY_JSON}" | jq '.' > "$JSON_FILE" + +echo "ILM policy JSON saved to $JSON_FILE" diff --git a/03-tools/elastic/get_ilm_policy_list.sh b/03-tools/elastic/get_ilm_policy_list.sh new file mode 100644 index 000000000..ed78569f5 --- /dev/null +++ b/03-tools/elastic/get_ilm_policy_list.sh @@ -0,0 +1,19 @@ +#!/bin/bash + +# Define the Elasticsearch URL +ES_URL="${ES_URL}" + +# Define the Elasticsearch credentials +ES_USER="${ES_USER}" +ES_PASS=$(gopass show -o personal/homeops/logging/elastic) + +# Make a GET request to the ILM policy endpoint and extract policy names without "managed" field using jq +POLICY_NAMES=$(curl -sSL -u "$ES_USER:$ES_PASS" "$ES_URL/_ilm/policy" | jq -r '. | to_entries[] | select(.value.policy._meta.managed == null) | .key') + +# Iterate through the policy names +for POLICY_NAME in $POLICY_NAMES; do + echo "Processing policy: $POLICY_NAME" + + # Perform any desired action with each policy name here + # For example, you could call another script or perform some operation +done diff --git a/03-tools/elastic/ilm_policy/logs-k3s.json b/03-tools/elastic/ilm_policy/logs-k3s.json new file mode 100644 index 000000000..81ddb269e --- /dev/null +++ b/03-tools/elastic/ilm_policy/logs-k3s.json @@ -0,0 +1,45 @@ +{ + "policy": { + "_meta": { + "project": { + "name": "homeops", + "modified_date": "2023-08-28T16:00:00Z", + "version": 2 + } + }, + "phases": { + "delete": { + "min_age": "20d", + "actions": { + "delete": { + "delete_searchable_snapshot": true + } + } + }, + "warm": { + "min_age": "10d", + "actions": { + "set_priority": { + "priority": 50 + } + } + }, + "hot": { + "min_age": "0ms", + "actions": { + "rollover": { + "max_age": "5d", + "min_primary_shard_size": "10gb", + "max_primary_shard_size": "10gb" + }, + "set_priority": { + "priority": 100 + }, + "shrink": { + "number_of_shards": 1 + } + } + } + } + } +} diff --git a/03-tools/elastic/index.html b/03-tools/elastic/index.html new file mode 100644 index 000000000..0fe6d9662 --- /dev/null +++ b/03-tools/elastic/index.html @@ -0,0 +1,2056 @@ + + + + + + + + + + + + + + + + + + + + + Index - Oscar's Homelab + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+ + + + Skip to content + + +
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Elasticsearch cheatsheet

+

Shortlinks:

+ +

Resources

+
    +
  • https://www.elastic.co/guide/en/elasticsearch/reference/current/index.html
    • +
  • https://www.elastic.co/guide/en/elasticsearch/reference/current/docs.html
    • +
  • https://www.elastic.co/blog/managing-time-based-indices-efficiently
    • +
  • http://joelabrahamsson.com/elasticsearch-101/
    • +
  • https://www.elastic.co/guide/en/elasticsearch/reference/current/getting-started.html
    • +
  • https://chatbots.network/logstash-exclude-bots-from-result/
    • +
+

Overview

+

Cluster Health:

+

Resource: +- https://www.elastic.co/guide/en/elasticsearch/guide/current/_cluster_health.html

+
$ curl -sSL -u "$ES_USER":"$ES_PASS" "$ES_URL/_cluster/health?pretty
+{
+  "cluster_name" : "docker-cluster",
+  "status" : "green",
+  "timed_out" : false,
+  "number_of_nodes" : 5,
+  "number_of_data_nodes" : 5,
+  "active_primary_shards" : 11,
+  "active_shards" : 22,
+  "relocating_shards" : 0,
+  "initializing_shards" : 0,
+  "unassigned_shards" : 0,
+  "delayed_unassigned_shards" : 0,
+  "number_of_pending_tasks" : 0,
+  "number_of_in_flight_fetch" : 0,
+  "task_max_waiting_in_queue_millis" : 0,
+  "active_shards_percent_as_number" : 100.0
+}
+
+

Cluster Health: Index Level:

+
$ curl -sSL -u "$ES_USER":"$ES_PASS" "$ES_URL/_cluster/health?level=indices&pretty'
+{
+  "cluster_name" : "swarm-elasticsearch",
+  "status" : "red",
+  "timed_out" : false,
+  "number_of_nodes" : 5,
+  "number_of_data_nodes" : 5,
+  "active_primary_shards" : 44,
+  "active_shards" : 44,
+  "relocating_shards" : 0,
+  "initializing_shards" : 0,
+  "unassigned_shards" : 64,
+  "delayed_unassigned_shards" : 0,
+  "number_of_pending_tasks" : 0,
+  "number_of_in_flight_fetch" : 0,
+  "task_max_waiting_in_queue_millis" : 0,
+  "active_shards_percent_as_number" : 40.74074074074074,
+  "indices" : {
+    "test" : {
+      "status" : "yellow",
+      "number_of_shards" : 5,
+      "number_of_replicas" : 1,
+      "active_primary_shards" : 5,
+      "active_shards" : 5,
+      "relocating_shards" : 0,
+      "initializing_shards" : 0,
+      "unassigned_shards" : 5
+    }
+  }
+}
+
+

Cluster Health: Shard Level:

+
curl -sSL -u "$ES_USER":"$ES_PASS" "$ES_URL/_cluster/health?level=shards&pretty'
+{
+  "cluster_name" : "swarm-elasticsearch",
+  "status" : "red",
+  "timed_out" : false,
+  "number_of_nodes" : 5,
+  "number_of_data_nodes" : 5,
+  "active_primary_shards" : 44,
+  "active_shards" : 44,
+  "relocating_shards" : 0,
+  "initializing_shards" : 0,
+  "unassigned_shards" : 64,
+  "delayed_unassigned_shards" : 0,
+  "number_of_pending_tasks" : 0,
+  "number_of_in_flight_fetch" : 0,
+  "task_max_waiting_in_queue_millis" : 0,
+  "active_shards_percent_as_number" : 40.74074074074074,
+  "indices" : {
+    "test" : {
+      "status" : "yellow",
+      "number_of_shards" : 5,
+      "number_of_replicas" : 1,
+      "active_primary_shards" : 5,
+      "active_shards" : 5,
+      "relocating_shards" : 0,
+      "initializing_shards" : 0,
+      "unassigned_shards" : 5,
+      "shards" : {
+        "0" : {
+          "status" : "yellow",
+          "primary_active" : true,
+          "active_shards" : 1,
+          "relocating_shards" : 0,
+          "initializing_shards" : 0,
+          "unassigned_shards" : 1
+        },
+        "1" : {
+          "status" : "yellow",
+          "primary_active" : true,
+          "active_shards" : 1,
+          "relocating_shards" : 0,
+          "initializing_shards" : 0,
+          "unassigned_shards" : 1
+        },
+        "2" : {
+          "status" : "yellow",
+          "primary_active" : true,
+          "active_shards" : 1,
+          "relocating_shards" : 0,
+          "initializing_shards" : 0,
+          "unassigned_shards" : 1
+        },
+        "3" : {
+          "status" : "yellow",
+          "primary_active" : true,
+          "active_shards" : 1,
+          "relocating_shards" : 0,
+          "initializing_shards" : 0,
+          "unassigned_shards" : 1
+        },
+        "4" : {
+          "status" : "yellow",
+          "primary_active" : true,
+          "active_shards" : 1,
+          "relocating_shards" : 0,
+          "initializing_shards" : 0,
+          "unassigned_shards" : 1
+        }
+      }
+    }
+  }
+}
+
+

Nodes Overview:

+
$ curl -sSL -u "$ES_USER":"$ES_PASS" "$ES_URL/_cat/nodes?v
+ip        heap.percent ram.percent cpu load_1m load_5m load_15m node.role master name
+10.0.2.28           21          92   2    0.55    0.45     0.38 mdi       -      ea1q921
+10.0.2.24           27          95   5    0.17    0.24     0.22 mdi       -      rNDYCtL
+10.0.2.27           20          93  12    0.18    0.20     0.24 mdi       -      bDWFHuw
+10.0.2.18           12          93  12    0.18    0.20     0.24 mdi       *      mstWlao
+10.0.2.22           27          92   2    0.55    0.45     0.38 mdi       -      ifgr6ym
+
+

Who is Master:

+
$ curl -sSL -u "$ES_USER":"$ES_PASS" "$ES_URL/_cat/master?v
+id                     host      ip        node
+mstWlaoyTM69xhSt-_rZAA 10.0.2.18 10.0.2.18 mstWlao
+
+

Indices Overview:

+

View all your indices in your cluster:

+
$ curl -sSL -u "$ES_USER":"$ES_PASS" "$ES_URL/_cat/indices?v
+health status index                         uuid                   pri rep docs.count docs.deleted store.size pri.store.size
+green  open   ruan-test                     CrQZB2L4SaaYCkvYPx5vUA   5   1         38            0    131.9kb         78.6kb
+
+

View one index:

+
$ curl -XGET 'http://127.0.0.1:9200/_cat/indices/index-name-2018.01.01?v'
+health status index                   uuid                   pri rep docs.count docs.deleted store.size pri.store.size
+green  open   index-name-2018.01.01 Nk8SMQvRSIaNm854bc3Zjg   5   1     395552            0    755.6mb        377.8mb
+
+

View a range of indices:

+
$ curl -XGET 'https://http://127.0.0.1:9200/_cat/indices/index-name-2018.01*?v'
+health status index                   uuid                   pri rep docs.count docs.deleted store.size pri.store.size
+green  open   index-name-2018.01.19 Vp1EBoeMQkS-a_upLzedhQ   5   1       1220            0      2.6mb          1.3mb
+green  open   index-name-2018.01.17 hSJMzFJIQrePifCfgb1rOA   5   1       2875            0      3.8mb          1.9mb
+
+

View only the index name header:

+
$ curl -XGET 'http://127.0.0.1:9200/_cat/indices/*2018.03.*?v&h=index'
+index
+index-name-2018.03.01
+index-name-2018.03.02
+
+

How Many Documents in the ES Cluster (Across all Indices):

+
$ curl -sSL -u "$ES_USER":"$ES_PASS" "$ES_URL/_cat/count?v
+epoch      timestamp count
+1502288579 14:22:59  38
+
+

Shards Info per Index:

+
$ curl -sSL -u "$ES_USER":"$ES_PASS" "$ES_URL/_cat/shards/ruan-test?v
+index     shard prirep state   docs  store ip        node
+ruan-test 3     r      STARTED   10  6.9kb 10.0.2.28 ea1q921
+ruan-test 3     p      STARTED   10  6.9kb 10.0.2.24 rNDYCtL
+ruan-test 1     r      STARTED    9 22.7kb 10.0.2.28 ea1q921
+ruan-test 1     p      STARTED    9 22.7kb 10.0.2.18 mstWlao
+ruan-test 4     r      STARTED    3  6.6kb 10.0.2.22 ifgr6ym
+ruan-test 4     p      STARTED    3  6.6kb 10.0.2.18 mstWlao
+ruan-test 2     p      STARTED   12 29.2kb 10.0.2.27 bDWFHuw
+ruan-test 2     r      STARTED   12  3.9kb 10.0.2.24 rNDYCtL
+ruan-test 0     p      STARTED    4 12.9kb 10.0.2.22 ifgr6ym
+ruan-test 0     r      STARTED    4 12.9kb 10.0.2.27 bDWFHuw
+
+

Shard Allocation per Node:

+
$ curl -sSL -u "$ES_USER":"$ES_PASS" "$ES_URL/_cat/allocation?v
+shards disk.indices disk.used disk.avail disk.total disk.percent host      ip        node
+     4       60.6mb    15.7gb     29.9gb     45.7gb           34 10.0.2.24 10.0.2.24 rNDYCtL
+     4       48.3kb    16.7gb     28.9gb     45.7gb           36 10.0.2.18 10.0.2.18 mstWlao
+     4      248.8kb    15.5gb     30.1gb     45.7gb           34 10.0.2.28 10.0.2.28 ea1q921
+     5       54.6mb    16.7gb     28.9gb     45.7gb           36 10.0.2.27 10.0.2.27 bDWFHuw
+     5        3.1mb    15.5gb     30.1gb     45.7gb           34 10.0.2.22 10.0.2.22 ifgr6ym
+
+

Cluster Maintenance:

+

Decomission Node from Shard Allocation

+

This will move shards from the mentioned node

+
$ curl -XPUT 'localhost:9200/_cluster/settings?pretty' -d'
+{
+  "transient" : {
+    "cluster.routing.allocation.exclude._ip" : "10.0.0.1"
+  }
+}
+'
+
+

Recovery Resources:

+
    +
  • https://www.elastic.co/guide/en/elasticsearch/reference/current/indices-recovery.html
    • +
+

Recovering from Node Failure:

+

At the moment one of the nodes were down, and up again:

+
$ curl -XGET http://127.0.0.1:9200/_cat/allocation?v
+shards disk.indices disk.used disk.avail disk.total disk.percent host        ip          node
+   290       54.1mb       1gb       20mb        1gb           98 10.79.2.193 10.79.2.193 es01
+   151       43.5mb       1gb     11.9gb       13gb            8 10.79.3.171 10.79.3.171 es02
+   139                                                                                   UNASSIGNED
+
+

Recovery API:

+
$ curl -XGET http://127.0.0.1:9200/_cat/recovery?v
+index                     shard time   type       stage source_host target_host repository snapshot files files_percent bytes  bytes_percent total_files total_bytes translog translog_percent total_translog
+sysadmins-2017.06.19      0     1512   replica    done  10.79.2.193 10.79.3.171 n/a        n/a      31    100.0%        340020 100.0%        31          340020      0        100.0%           0
+sysadmins-2017.06.19      0     7739   store      done  10.79.2.193 10.79.2.193 n/a        n/a      0     100.0%        0      100.0%        31          340020      0        100.0%           0
+sysadmins-2017.06.19      1     2592   relocation done  10.79.2.193 10.79.3.171 n/a        n/a      13    100.0%        246229 100.0%        13          246229      0        100.0%           0
+sysadmins-2017.06.19      1     613    replica    done  10.79.3.171 10.79.2.193 n/a        n/a      0     0.0%          0      0.0%          0           0           0        100.0%           0
+
+

Pending Tasks:

+
$ curl -XGET http://127.0.0.1:9200/_cat/pending_tasks?v
+insertOrder timeInQueue priority source
+       1736        1.8s URGENT   shard-started ([sysadmins-2017.06.02][2], node[WR3y31g1TnuufpNyrJnQtg], [R], v[91], s[INITIALIZING], a[id=wVTDn4nFSKKxvi07cU0uCg], unassigned_info[[reason=CLUSTER_RECOVERED], at[2017-08-11T07:50:56.550Z]]), reason [after recovery (replica) from node [{es01}{6ND8sZ_rTqaL42VdlxyW7Q}{10.79.2.193}{10.79.2.193:9300}]]
+       1737        1.3s URGENT   shard-started ([sysadmins-2017.06.02][3], node[WR3y31g1TnuufpNyrJnQtg], [R], v[91], s[INITIALIZING], a[id=JmrtwtYURMyQF6LspeJXLg], unassigned_info[[reason=CLUSTER_RECOVERED], at[2017-08-11T07:50:56.550Z]]), reason [after recovery (replica) from node [{es01}{6ND8sZ_rTqaL42VdlxyW7Q}{10.79.2.193}{10.79.2.193:9300}]]
+
+

Clear Cache:

+
$  curl -XGET http://127.0.0.1:9200/_cache/clear
+{"_shards":{"total":21,"successful":15,"failed":0}}
+
+

Settings

+

Cluster Settings

+

Search Timeout:

+

Global Search Timeout, that applies to all search queries across the entire cluster -> search.default_search_timeout:

+
PUT /_cluster/settings
+{
+    "persistent" : {
+        "search.default_search_timeout" : "50"
+    }
+}
+
+

Index Info (Shards, Replicas, Allocation):

+

Create Index:

+

When you create an Index, 5 Primary Shards and 1 Replica Shard will assigned to the Index by Default.

+
$ curl -XPUT http://elasticsearch:9200/my2ndindex
+{"acknowledged":true,"shards_acknowledged":true}
+
+

To verify the behavior:

+
curl -XGET -u http://elasticsearch:9200/_cat/indices?v
+health status index                         uuid                   pri rep docs.count docs.deleted store.size pri.store.size
+green  open   my2ndindex                    V32G9IOoTF6uq0DuNUIAMA   5   1          0            0      1.2kb           650b
+green  open   ruan-test                     CrQZB2L4SaaYCkvYPx5vUA   5   1         38            0    131.9kb         78.6kb
+
+

From here on, we can increase the number of replica shards, but NOT the primary shards. +You can ONLY set the number primary shards on index creation.

+

Shard info on our new index:

+

While having 5 prmary shards and 1 replica shard, let's have a look at it:

+
$ curl -sSL -u "$ES_USER":"$ES_PASS" "$ES_URL/_cat/shards/my2ndindex?v
+index      shard prirep state   docs store ip        node
+my2ndindex 3     p      STARTED    0  130b 10.0.2.22 ifgr6ym
+my2ndindex 3     r      STARTED    0  130b 10.0.2.27 bDWFHuw
+my2ndindex 1     r      STARTED    0  130b 10.0.2.22 ifgr6ym
+my2ndindex 1     p      STARTED    0  130b 10.0.2.18 mstWlao
+my2ndindex 4     r      STARTED    0  130b 10.0.2.18 mstWlao
+my2ndindex 4     p      STARTED    0  130b 10.0.2.27 bDWFHuw
+my2ndindex 2     r      STARTED    0  130b 10.0.2.28 ea1q921
+my2ndindex 2     p      STARTED    0  130b 10.0.2.24 rNDYCtL
+my2ndindex 0     p      STARTED    0  130b 10.0.2.28 ea1q921
+my2ndindex 0     r      STARTED    0  130b 10.0.2.24 rNDYCtL
+
+

Increase the Replica Shard Number:

+

Let's change the replica shard number to 2, meaning each primary shard will have 2 replica shards:

+
$ curl -XPUT http://elasticsearch:9200/my2ndindex/_settings -d '{"settings": {"index": {"number_of_replicas": 2}}}'
+{"acknowledged":true}
+
+

Let's have a look at the shard info after we have increased the replica shard number:

+
$ curl -sSL -u "$ES_USER":"$ES_PASS" "$ES_URL/_cat/shards/my2ndindex?v
+index      shard prirep state   docs store ip        node
+my2ndindex 3     r      STARTED    0  130b 10.0.2.28 ea1q921
+my2ndindex 3     p      STARTED    0  130b 10.0.2.22 ifgr6ym
+my2ndindex 3     r      STARTED    0  130b 10.0.2.27 bDWFHuw
+my2ndindex 2     r      STARTED    0  130b 10.0.2.28 ea1q921
+my2ndindex 2     r      STARTED    0  130b 10.0.2.22 ifgr6ym
+my2ndindex 2     p      STARTED    0  130b 10.0.2.24 rNDYCtL
+my2ndindex 4     r      STARTED    0  130b 10.0.2.28 ea1q921
+my2ndindex 4     r      STARTED    0  130b 10.0.2.18 mstWlao
+my2ndindex 4     p      STARTED    0  130b 10.0.2.27 bDWFHuw
+my2ndindex 1     r      STARTED    0  130b 10.0.2.22 ifgr6ym
+my2ndindex 1     p      STARTED    0  130b 10.0.2.18 mstWlao
+my2ndindex 1     r      STARTED    0  130b 10.0.2.24 rNDYCtL
+my2ndindex 0     r      STARTED    0  130b 10.0.2.18 mstWlao
+my2ndindex 0     p      STARTED    0  130b 10.0.2.27 bDWFHuw
+my2ndindex 0     r      STARTED    0  130b 10.0.2.24 rNDYCtL
+
+

Create a Index:

+

Create a Index with Default Settings:

+
$ curl -XPUT -H 'Content-Type: application/json' 'http://127.0.0.1:9200/ruan-test-2018.03.12'
+
+

View the settings of the created index:

+
$ curl -XGET 'http://127.0.0.1:9200/ruan-test-2018.03.12/_settings?pretty'
+{
+  "ruan-test-2018.03.12" : {
+    "settings" : {
+      "index" : {
+        "creation_date" : "1520929659349",
+        "number_of_shards" : "5",
+        "number_of_replicas" : "1",
+        "uuid" : "EwGz6y7XQkK0ZI08u8qdrQ",
+        "version" : {
+          "created" : "6000199"
+        },
+        "provided_name" : "ruan-test-2018.03.12"
+      }
+    }
+  }
+}
+
+

Remember that primary shard number can only be set on index creation. Change the settings of the index, let's update the index to: 2 replica shards, and the total_fields limit to: 2000

+
$ curl -XPUT -H 'Content-Type: application/json' 'http://127.0.0.1:9200/ruan-test-2018.03.12/_settings' -d '{"number_of_replicas": 0, "index.mapping.total_fields.limit": 2000}'
+
+

View the changes:

+
$ curl -XGET 'http://127.0.0.1:9200/ruan-test-2018.03.12/_settings?pretty'
+{
+  "ruan-test-2018.03.12" : {
+    "settings" : {
+      "index" : {
+        "mapping" : {
+          "total_fields" : {
+            "limit" : "2000"
+          }
+        },
+        "number_of_shards" : "5",
+        "provided_name" : "ruan-test-2018.03.12",
+        "creation_date" : "1520929659349",
+        "number_of_replicas" : "0",
+        "uuid" : "EwGz6y7XQkK0ZI08u8qdrQ",
+        "version" : {
+          "created" : "6000199"
+        }
+      }
+    }
+  }
+}
+
+

Now, to set the settings on Index Creation:

+
$ curl -XPUT -H 'Content-Type: application/json' 'http://127.0.0.1:9200/ruan-test-2018.03.13' -d '{"settings": {"number_of_replicas": 1, "number_of_shards": 2, "index.mapping.total_fields.limit": 2000}}'
+
+

Verifying our settings:

+
$ curl -XGET 'http://127.0.0.1:9200/ruan-test-2018.03.13/_settings?pretty'
+{
+  "ruan-test-2018.03.13" : {
+    "settings" : {
+      "index" : {
+        "mapping" : {
+          "total_fields" : {
+            "limit" : "2000"
+          }
+        },
+        "number_of_shards" : "2",
+        "provided_name" : "ruan-test-2018.03.13",
+        "creation_date" : "1520929638792",
+        "number_of_replicas" : "1",
+        "uuid" : "hEY8HrlRTFuiYLwKVDAraQ",
+        "version" : {
+          "created" : "6000199"
+        }
+      }
+    }
+  }
+}
+
+

Viewing our indexes:

+
$ curl -XGET 'http://127.0.0.1:9200/_cat/indices/ruan-test-*?v'
+health status index                uuid                   pri rep docs.count docs.deleted store.size pri.store.size
+green  open   ruan-test-2018.03.12 EwGz6y7XQkK0ZI08u8qdrQ   5   1          2            0     15.7kb          7.8kb
+green  open   ruan-test-2018.03.13 hEY8HrlRTFuiYLwKVDAraQ   2   1          0            0       932b           466b
+
+

Ingest Document into Elasticsearch:

+

Let's ingest one docuemnt into Elasticsearch, and in this case we will specify the document id as 1

+
$ curl -XPUT http://elasticsearch:9200/my2ndindex/docs/1 -d '{"identity": {"name": "ruan", "surname": "bekker"}}'
+{"_index":"my2ndindex","_type":"docs","_id":"1","_version":1,"result":"created","_shards":{"total":3,"successful":3,"failed":0},"created":true}
+
+

View the index info:

+
$ curl -sSL -u "$ES_USER":"$ES_PASS" "$ES_URL/_cat/indices/my*?v'
+health status index      uuid                   pri rep docs.count docs.deleted store.size pri.store.size
+green  open   my2ndindex V32G9IOoTF6uq0DuNUIAMA   5   2          1            0       13kb          4.3kb
+
+

View the Shard information on our Index:

+
$ curl -sSL -u "$ES_USER":"$ES_PASS" "$ES_URL/_cat/shards/my2ndindex?v
+index      shard prirep state   docs store ip        node
+my2ndindex 3     r      STARTED    1 3.9kb 10.0.2.28 ea1q921
+my2ndindex 3     p      STARTED    1 3.9kb 10.0.2.22 ifgr6ym
+my2ndindex 3     r      STARTED    1 3.9kb 10.0.2.27 bDWFHuw
+my2ndindex 1     r      STARTED    0  130b 10.0.2.22 ifgr6ym
+my2ndindex 1     p      STARTED    0  130b 10.0.2.18 mstWlao
+my2ndindex 1     r      STARTED    0  130b 10.0.2.24 rNDYCtL
+my2ndindex 4     r      STARTED    0  130b 10.0.2.28 ea1q921
+my2ndindex 4     r      STARTED    0  130b 10.0.2.18 mstWlao
+my2ndindex 4     p      STARTED    0  130b 10.0.2.27 bDWFHuw
+my2ndindex 2     r      STARTED    0  130b 10.0.2.28 ea1q921
+my2ndindex 2     r      STARTED    0  130b 10.0.2.22 ifgr6ym
+my2ndindex 2     p      STARTED    0  130b 10.0.2.24 rNDYCtL
+my2ndindex 0     r      STARTED    0  130b 10.0.2.18 mstWlao
+my2ndindex 0     p      STARTED    0  130b 10.0.2.27 bDWFHuw
+my2ndindex 0     r      STARTED    0  130b 10.0.2.24 rNDYCtL
+
+

Some info on Yellow Status:

+

In elasticsearch, a replica shard of its primary shard, will never appear on the same node as the other shards.

+

As we have 5 nodes in our cluster, meaning if we create 5 replica shards, our index will consist of 5 primary shards, +each primary shard having 5 replica shards, as a result in a yellow status es cluster.

+

The reasoning for this is that if we take primary shard id 0:

+
    +
  • primary shard - node 1
    • +
  • replica shard 1 - node 2
    • +
  • replica shard 2 - node 3
    • +
  • replica shard 3 - node 4
    • +
  • replica shard 4 - node 5
    • +
  • replica shard 5 - UNASSIGNED
    • +
+

The 5th replica shard for the mentioned primary shard will be unassigned, as there is no node available where the +primary shard's replicas already reside on.

+

To get the status back to green:

+
    +
  • add a data node
    • +
  • reduce the replica number
    • +
+

Let's see the YELLOW Status in action:

+

Increase the replica shards to 5:

+
$ curl -XPUT http://elasticsearch:9200/my2ndindex/_settings -d '{"settings": {"number_of_replicas": 5}}'
+{"acknowledged":true}
+
+

Verify the Indices Overview:

+
$ curl -sSL -u "$ES_USER":"$ES_PASS" "$ES_URL/_cat/indices/my*?v'
+health status index      uuid                   pri rep docs.count docs.deleted store.size pri.store.size
+yellow open   my2ndindex V32G9IOoTF6uq0DuNUIAMA   5   5          1            0     22.2kb          4.4kb
+
+

We can see that we have a YELLOW status, for more info let's have a look at the shards overview:

+
$ curl -sSL -u "$ES_USER":"$ES_PASS" "$ES_URL/_cat/shards/my2ndindex?v
+index      shard prirep state      docs store ip        node
+my2ndindex 3     r      STARTED       1 3.9kb 10.0.2.28 ea1q921
+my2ndindex 3     p      STARTED       1 3.9kb 10.0.2.22 ifgr6ym
+my2ndindex 3     r      STARTED       1 3.9kb 10.0.2.18 mstWlao
+my2ndindex 3     r      STARTED       1 3.9kb 10.0.2.27 bDWFHuw
+my2ndindex 3     r      STARTED       1 3.9kb 10.0.2.24 rNDYCtL
+my2ndindex 3     r      UNASSIGNED
+my2ndindex 2     r      STARTED       0  130b 10.0.2.28 ea1q921
+my2ndindex 2     r      STARTED       0  130b 10.0.2.22 ifgr6ym
+my2ndindex 2     r      STARTED       0  130b 10.0.2.18 mstWlao
+my2ndindex 2     r      STARTED       0  130b 10.0.2.27 bDWFHuw
+my2ndindex 2     p      STARTED       0  130b 10.0.2.24 rNDYCtL
+my2ndindex 2     r      UNASSIGNED
+my2ndindex 4     r      STARTED       0  130b 10.0.2.28 ea1q921
+my2ndindex 4     r      STARTED       0  130b 10.0.2.22 ifgr6ym
+my2ndindex 4     r      STARTED       0  130b 10.0.2.18 mstWlao
+my2ndindex 4     p      STARTED       0  130b 10.0.2.27 bDWFHuw
+my2ndindex 4     r      STARTED       0  130b 10.0.2.24 rNDYCtL
+my2ndindex 4     r      UNASSIGNED
+my2ndindex 1     r      STARTED       0  130b 10.0.2.28 ea1q921
+my2ndindex 1     r      STARTED       0  130b 10.0.2.22 ifgr6ym
+my2ndindex 1     p      STARTED       0  130b 10.0.2.18 mstWlao
+my2ndindex 1     r      STARTED       0  130b 10.0.2.27 bDWFHuw
+my2ndindex 1     r      STARTED       0  130b 10.0.2.24 rNDYCtL
+my2ndindex 1     r      UNASSIGNED
+my2ndindex 0     p      STARTED       0  130b 10.0.2.28 ea1q921
+my2ndindex 0     r      STARTED       0  130b 10.0.2.22 ifgr6ym
+my2ndindex 0     r      STARTED       0  130b 10.0.2.18 mstWlao
+my2ndindex 0     r      STARTED       0  130b 10.0.2.27 bDWFHuw
+my2ndindex 0     r      STARTED       0  130b 10.0.2.24 rNDYCtL
+my2ndindex 0     r      UNASSIGNED
+
+

Also, when we look at the allocation api, we can see that we have 5 shards that is unassigned:

+
$ curl -sSL -u "$ES_USER":"$ES_PASS" "$ES_URL/_cat/allocation?v
+shards disk.indices disk.used disk.avail disk.total disk.percent host      ip        node
+     9       59.2kb    16.8gb     28.8gb     45.7gb           36 10.0.2.18 10.0.2.18 mstWlao
+    10       61.2mb    16.8gb     28.8gb     45.7gb           36 10.0.2.27 10.0.2.27 bDWFHuw
+     9      275.5kb    15.6gb     30.1gb     45.7gb           34 10.0.2.28 10.0.2.28 ea1q921
+     9       64.2mb    15.7gb     29.9gb     45.7gb           34 10.0.2.24 10.0.2.24 rNDYCtL
+    10        3.4mb    15.6gb     30.1gb     45.7gb           34 10.0.2.22 10.0.2.22 ifgr6ym
+     5                                                                               UNASSIGNED
+
+

Create Index with 10 Primary Shards:

+

Let's create an index with 10 primary shards and a replica count of 2:

+
$ curl -XPUT http://elasticsearch:9200/my3rdindex -d '{"settings": {"index": {"number_of_shards": 10, "number_of_replicas": 2}}}'
+{"acknowledged":true,"shards_acknowledged":true}/ #
+
+

Verify:

+
$ curl -sSL -u "$ES_USER":"$ES_PASS" "$ES_URL/_cat/indices/my*?v'
+health status index      uuid                   pri rep docs.count docs.deleted store.size pri.store.size
+green  open   my3rdindex ljovpse0RzCB5INxUBLBYg  10   2          0            0      2.4kb           650b
+green  open   my2ndindex V32G9IOoTF6uq0DuNUIAMA   5   2          1            0     13.3kb          4.4kb
+
+

View the shard info on our index:

+
$ curl -sSL -u "$ES_USER":"$ES_PASS" "$ES_URL/_cat/shards/my3rdindex?v
+index      shard prirep state   docs store ip        node
+my3rdindex 8     r      STARTED    0  130b 10.0.2.28 ea1q921
+my3rdindex 8     p      STARTED    0  130b 10.0.2.22 ifgr6ym
+my3rdindex 8     r      STARTED    0  130b 10.0.2.24 rNDYCtL
+my3rdindex 7     r      STARTED    0  130b 10.0.2.18 mstWlao
+my3rdindex 7     r      STARTED    0  130b 10.0.2.27 bDWFHuw
+my3rdindex 7     p      STARTED    0  130b 10.0.2.24 rNDYCtL
+my3rdindex 4     r      STARTED    0  130b 10.0.2.28 ea1q921
+my3rdindex 4     r      STARTED    0  130b 10.0.2.22 ifgr6ym
+my3rdindex 4     p      STARTED    0  130b 10.0.2.27 bDWFHuw
+my3rdindex 2     r      STARTED    0  130b 10.0.2.18 mstWlao
+my3rdindex 2     r      STARTED    0  130b 10.0.2.27 bDWFHuw
+my3rdindex 2     p      STARTED    0  130b 10.0.2.24 rNDYCtL
+my3rdindex 5     p      STARTED    0  130b 10.0.2.28 ea1q921
+my3rdindex 5     r      STARTED    0  130b 10.0.2.22 ifgr6ym
+my3rdindex 5     r      STARTED    0  130b 10.0.2.27 bDWFHuw
+my3rdindex 6     r      STARTED    0  130b 10.0.2.28 ea1q921
+my3rdindex 6     p      STARTED    0  130b 10.0.2.18 mstWlao
+my3rdindex 6     r      STARTED    0  130b 10.0.2.27 bDWFHuw
+my3rdindex 1     r      STARTED    0  130b 10.0.2.28 ea1q921
+my3rdindex 1     r      STARTED    0  130b 10.0.2.22 ifgr6ym
+my3rdindex 1     p      STARTED    0  130b 10.0.2.18 mstWlao
+my3rdindex 3     p      STARTED    0  130b 10.0.2.22 ifgr6ym
+my3rdindex 3     r      STARTED    0  130b 10.0.2.18 mstWlao
+my3rdindex 3     r      STARTED    0  130b 10.0.2.24 rNDYCtL
+my3rdindex 9     r      STARTED    0  130b 10.0.2.22 ifgr6ym
+my3rdindex 9     p      STARTED    0  130b 10.0.2.27 bDWFHuw
+my3rdindex 9     r      STARTED    0  130b 10.0.2.24 rNDYCtL
+my3rdindex 0     p      STARTED    0  130b 10.0.2.28 ea1q921
+my3rdindex 0     r      STARTED    0  130b 10.0.2.18 mstWlao
+my3rdindex 0     r      STARTED    0  130b 10.0.2.24 rNDYCtL
+
+

Take note, with the configuration as above your index that you created will have 30 shards in your cluster:

+
$ curl -s -XGET 'http://elasticsearch:9200/_cat/shards/my3rdindex?v'  | grep -v 'node' | wc -l
+30
+
+

Number of Primary Shards per Node:

+
$ curl -s -XGET 'http://elasticsearch:9200/_cat/shards/my3rdindex?v' | grep 'p      STARTED' | awk '{print $7}' | sort | uniq -c
+      2 10.0.2.18
+      3 10.0.2.22
+      1 10.0.2.24
+      1 10.0.2.27
+      3 10.0.2.28
+
+

Ingest Documents into Elasticsearch:

+

Structure:

+

In Elasticsearch we have Indices, 'Types, andDocuments`. In a Relational Database you can think of it like, Database, Tables, Records:

+
    +
  • Indices => Databases
    • +
  • Types => Tables
    • +
  • Documents => Records
    • +
+

Ingest a Document and Specify the ID:

+

When you do a PUT request, you need to specify the id of the document:

+
    +
  • "_id": 1
    • +
  • "_id": "james"
    • +
+

Let's ingest a simple document with a random string as the document id:

+
$ curl -XPUT http://elasticsearch:9200/people/users/abcd -d '{"name", "james", "age": 28}'
+{"_index":"people","_type":"users","_id":"abcd","_version":1,"result":"created","_shards":{"total":2,"successful":2,"failed":0},"created":true}
+
+

If we have to repeat the same request with the same id, the docuement will be overwritten, ES will create a new document if +the id is not present.

+
$ curl -XPUT http://elasticsearch:9200/people/users/abcd -d '{"name": "james", "age": 28}'
+{"_index":"people","_type":"users","_id":"abcd","_version":2,"result":"updated","_shards":{"total":2,"successful":2,"failed":0},"created":false}
+
+

Ingeest a Document and Let ES generate a ID:

+

When you do a POST request, the service will automatically assign a id for your docuemt:

+
$ curl -XPOST http://elasticsearch:9200/people/users/ -d '{"name": "susan", "age: 30}'
+{"_index":"people","_type":"users","_id":"AV3H_9q6AH1phg1wCfDW","_version":1,"result":"created","_shards":{"total":2,"successful":2,"failed":0},"created":true}
+
+

Bulk Ingest

+

Our Sample Data: info.json:

+
{"index":{"_index":"info","_type":"feed","_id":1}}
+{"user_id":james4,"handle_name":"james","category":"sport","socialmedia_src":"twitter","text":"manchester united lost","country":"south africa"}
+{"index":{"_index":"info","_type":"feed","_id":2}}
+{"user_id":pete09,"handle_name":"pete","category":"politics","socialmedia_src":"facebook","text":"new mayor selected","country":"new zealand"}
+
+

Ingest using the Bulk Api:

+
curl -XPOST 'http://elasticsearch:9200/info/_bulk?pretty' --data-binary @info.json
+
+

Mapping

+

Create Mapping

+

View Mappings

+

Check Fields in Mappings:

+

Check if a field exisists in your mapping:

+
$ curl -XGET 'http://127.0.0.1:9200/index-name-2018.03.01/_mapping/docs/field/company?pretty'
+{
+  "index-name-2018.03.01" : {
+    "mappings" : {
+      "docs" : {
+        "company" : {
+          "full_name" : "company",
+          "mapping" : {
+            "company" : {
+              "type" : "text",
+              "fields" : {
+                "keyword" : {
+                  "type" : "keyword",
+                  "ignore_above" : 256
+                }
+              }
+            }
+          }
+        }
+      }
+    }
+  }
+}
+
+

Open / Close API:

+
    +
  • https://www.elastic.co/guide/en/elasticsearch/reference/current/indices-open-close.html
    • +
+

Close Index:

+
$ curl -XPOST http://elasticsearch:9200/people/_close
+{"acknowledged":true}
+
+

Trying to ingest while the index is closed:

+
$ curl -XPOST http://elasticsearch:9200/people/users/ -d '{"name": "susan", "age": 30}'
+{"error":{"root_cause":[{"type":"index_closed_exception","reason":"closed","index_uuid":"Yt31-EAwTOa-a6duElYRsQ","index":"people"}],"type":"index_closed_exception","reason":"closed","index_uuid":"Yt31-EAwTOa-a6duElYRsQ","index":"people"},"status":403}
+
+

Open Index:

+
$ curl -XPOST http://elasticsearch:9200/people/_open
+
+

Searching

+

Get a Document by ID:

+

We can get the document by passing the document id:

+
$ curl -sSL -u "$ES_USER":"$ES_PASS" "$ES_URL/people/users/abcd?pretty
+{
+  "_index" : "people",
+  "_type" : "users",
+  "_id" : "abcd",
+  "_version" : 2,
+  "found" : true,
+  "_source" : {
+    "name" : "james",
+    "age" : 28
+  }
+}
+
+

Determine which Shard a Document Reside on:

+
$ curl -sSL -u "$ES_USER":"$ES_PASS" "$ES_URL/people/users/_search?q=age:28&explain&pretty'
+{
+  "took" : 73,
+  "timed_out" : false,
+  "_shards" : {
+    "total" : 5,
+    "successful" : 5,
+    "failed" : 0
+  },
+  "hits" : {
+    "total" : 1,
+    "max_score" : 1.0,
+    "hits" : [
+      {
+        "_shard" : "[people][2]",
+        "_node" : "ea1q921TQWyNiyiRXzfXZQ",
+        "_index" : "people",
+        "_type" : "users",
+        "_id" : "abcd",
+        "_score" : 1.0,
+        "_source" : {
+          "name" : "james",
+          "age" : 28
+        },
+        "_explanation" : {
+          "value" : 1.0,
+          "description" : "age:[28 TO 28], product of:",
+          "details" : [
+            {
+              "value" : 1.0,
+              "description" : "boost",
+              "details" : [ ]
+            },
+            {
+              "value" : 1.0,
+              "description" : "
+              Norm",
+              "details" : [ ]
+            }
+          ]
+        }
+      }
+    ]
+  }
+}
+
+

Search API:

+
    +
  • https://www.elastic.co/guide/en/elasticsearch/reference/current/search.html
    • +
+

Lets do a search on our index:

+
$ curl -sSL -u "$ES_USER":"$ES_PASS" "$ES_URL/people/_search?pretty
+{
+  "took" : 29,
+  "timed_out" : false,
+  "_shards" : {
+    "total" : 5,
+    "successful" : 5,
+    "failed" : 0
+  },
+  "hits" : {
+    "total" : 2,
+    "max_score" : 1.0,
+    "hits" : [
+      {
+        "_index" : "people",
+        "_type" : "users",
+        "_id" : "abcd",
+        "_score" : 1.0,
+        "_source" : {
+          "name" : "james",
+          "age" : 28
+        }
+      },
+      {
+        "_index" : "people",
+        "_type" : "users",
+        "_id" : "AV3H_9q6AH1phg1wCfDW",
+        "_score" : 1.0,
+        "_source" : {
+          "name" : "susan",
+          "age" : 30
+        }
+      }
+    ]
+  }
+}
+
+

By default the Search API returns 10 items, which can be changed using size

+
curl -sSL -u "$ES_USER":"$ES_PASS" "$ES_URL/shakespeare/_search?size=3&pretty'
+{
+  "took" : 25,
+  "timed_out" : false,
+  "_shards" : {
+    "total" : 5,
+    "successful" : 5,
+    "failed" : 0
+  },
+  "hits" : {
+    "total" : 111396,
+    "max_score" : 1.0,
+    "hits" : [
+      {
+        "_index" : "shakespeare",
+        "_type" : "act",
+        "_id" : "0",
+        "_score" : 1.0,
+        "_source" : {
+          "line_id" : 1,
+          "play_name" : "Henry IV",
+          "speech_number" : "",
+          "line_number" : "",
+          "speaker" : "",
+          "text_entry" : "ACT I"
+        }
+      },
+      {
+        "_index" : "shakespeare",
+        "_type" : "line",
+        "_id" : "14",
+        "_score" : 1.0,
+        "_source" : {
+          "line_id" : 15,
+          "play_name" : "Henry IV",
+          "speech_number" : 1,
+          "line_number" : "1.1.12",
+          "speaker" : "KING HENRY IV",
+          "text_entry" : "Did lately meet in the intestine shock"
+        }
+      },
+      {
+        "_index" : "shakespeare",
+        "_type" : "line",
+        "_id" : "19",
+        "_score" : 1.0,
+        "_source" : {
+          "line_id" : 20,
+          "play_name" : "Henry IV",
+          "speech_number" : 1,
+          "line_number" : "1.1.17",
+          "speaker" : "KING HENRY IV",
+          "text_entry" : "The edge of war, like an ill-sheathed knife,"
+        }
+      }
+    ]
+  }
+}
+
+

View the latest indexed document (this will only work if theres a @timestmap field):

+

curl -H 'content-type: application/json' -XPOST http://elasticsearch:9200/<timestamped-index>/_search?pretty -d '{"size": 1, "sort": { "@timestamp": "desc"}, "query": {"match_all": {} }}'
+ ```
+
+## Query
+
+Query our index for people with the age of 28:
+
+curl -sSL -u "$ES_USER":"$ES_PASS" "$ES_URL/people/_search?q=age:30&pretty' +{ + "took" : 25, + "timed_out" : false, + "_shards" : { + "total" : 5, + "successful" : 5, + "failed" : 0 + }, + "hits" : { + "total" : 1, + "max_score" : 1.0, + "hits" : [ + { + "_index" : "people", + "_type" : "users", + "_id" : "AV3H_9q6AH1phg1wCfDW", + "_score" : 1.0, + "_source" : { + "name" : "susan", + "age" : 30 + } + } + ] + } +} +
#### Query by Term and limit results by 2:
+
+$ curl -XGET http://127.0.0.1:9200/scrape-sysadmins/_search?pretty -d ' +{ + "query": { + "term": { + "title": "traefik" + } + }, + "size": 2 +} +' +
#### Query by Match:
+
+$ curl -XGET http://127.0.0.1:9200/scrape-sysadmins/_search?pretty -d ' +{ + "query": { + "match": { + "title": "traefik" + } + }, + "size": 10 +} +' +
#### Query with Bool:
+
+- Check if field exists in index:
+
+$ curl http://127.0.0.1:9200/test4/_search?pretty -d ' +{ + "query": { + "bool": { + "must": [{ + "exists": { + "field": "name" + } + }] + } + } +}'

+

{ + "took" : 7, + "timed_out" : false, + "_shards" : { + "total" : 5, + "successful" : 5, + "failed" : 0 + }, + "hits" : { + "total" : 1, + "max_score" : 1.0, + "hits" : [ + { + "_index" : "test4", + "_type" : "docs", + "_id" : "2", + "_score" : 1.0, + "_source" : { + "id" : "2", + "name" : "ruan" + } + } + ] + } +} +

#### Other Examples of Query:
+
+Match:
+
+{ + "query": { + "match": { + "title": "something" + } + } +} +
Multi match with boost on title:
+

+

^ boosts the score 4 times on title

+

{ + "query": { + "multi_match": { + "query": "something", + "fields": ["title^4", "plot"] + } + } +} +

Match phrase:
+
+{ + "query": { + "match_phrase": { + "title": "somethings got to give" + } + } +} +
Common terms:
+
+{ + "query": { + "common": { + "title": { + "query": "the something word" + } + } + } +} +
Query string:
+
+{ + "query": { + "query_string": { + "query": "the something AND (gives OR gave)" + } + } +} +
Simple query string:
+
+{ + "query": { + "simple_query_string": { + "query": "\"give got to\"~4 | *thing~2", + "fields": ["title"] + } + } +} +
More info on above:
+
++ -> Acts as the AND operator +| -> Acts as the OR operator +* -> Acts as a wildcard. +"" -> Wraps several terms into a phrase. +() -> Wraps a clause for precedence. +~n -> When used after a term (e.g. thign~3), sets fuzziness. When used after a phrase, sets slop. See Options. +- -> Negates the term. +
Match all:
+
+{ + "query": { + "match_all": {} + } +} +
Match none:
+
+{ + "query": { + "match_none": {} + } +} +
- https://www.elastic.co/guide/en/elasticsearch/reference/current/query-dsl-match-query.html
+
+## Sort
+- https://www.elastic.co/guide/en/elasticsearch/reference/current/search-request-sort.html
+
+Sort Per Field:
+
+Ingest a couple of example documents:
+
+$ curl -XPUT http://elasticsearch:9200/products/items/1 -d '{"product": "chocolate", "price": [20, 4]}' +$ curl -XPUT http://elasticsearch:9200/products/items/2 -d '{"product": "apples", "price": [28, 6]}' +$ curl -XPUT http://elasticsearch:9200/products/items/3 -d '{"product": "bananas", "price": [28, 22, 23, 20]}' +$ curl -XPUT http://elasticsearch:9200/products/items/4 -d '{"product": "chips", "price": [14, 24, 22, 12]}' +
Run a Sort Query on the term `bananas`, and show the `average` price. We can also use `min, max, avg, sum`:
+
+$ curl -XPOST http://elasticsearch:9200/products/_search?pretty -d ' +{ + "query" : { + "term" : { + "product" : "bananas" + } + }, + "sort" : [{ + "price" : { + "order" : "asc", + "mode" : "avg" + } + }] +}'

+

{ + "took" : 9, + "timed_out" : false, + "_shards" : { + "total" : 5, + "successful" : 5, + "failed" : 0 + }, + "hits" : { + "total" : 1, + "max_score" : null, + "hits" : [ + { + "_index" : "products", + "_type" : "items", + "_id" : "3", + "_score" : null, + "_source" : { + "product" : "bananas", + "price" : [ + 28, + 22, + 23, + 20 + ] + }, + "sort" : [ + 23 + ] + } + ] + } +} +

Running the same, but wanting to see the sum of all the prices:
+
+$ curl -XPOST http://elasticsearch:9200/products/_search?pretty -d ' +{ + "query" : { + "term" : { + "product" : "bananas" + } + }, + "sort" : [{ + "price" : { + "order" : "asc", + "mode" : "sum" + } + }] +}'

+

{ + "took" : 34, + "timed_out" : false, + "_shards" : { + "total" : 5, + "successful" : 5, + "failed" : 0 + }, + "hits" : { + "total" : 1, + "max_score" : null, + "hits" : [ + { + "_index" : "products", + "_type" : "items", + "_id" : "3", + "_score" : null, + "_source" : { + "product" : "bananas", + "price" : [ + 28, + 22, + 23, + 20 + ] + }, + "sort" : [ + 93 + ] + } + ] + } +} +

# Delete
+
+References:
+
+- [Delete API](https://www.elastic.co/guide/en/elasticsearch/reference/current/docs-delete.html)
+- [Delete by Query](https://www.elastic.co/guide/en/elasticsearch/reference/5.6/docs-delete-by-query.html)
+
+## Delete Index:
+
+$ curl -XDELETE http://elasticsearch:9200/myindex +
## Delete Documents on Query:
+
+We would like to delete all documents that has `"os_name": "Windows 10"`
+
+curl -XPOST 'http://elasticsearch:9200/weblogs/_delete_by_query?pretty' -d ' +{ + "query": { + "match": { + "os_name": "Windows 10" + } + } +}'

+

{ + "took" : 1217, + "timed_out" : false, + "total" : 48, + "deleted" : 48, + "batches" : 1, + "version_conflicts" : 0, + "noops" : 0, + "retries" : { + "bulk" : 0, + "search" : 0 + }, + "throttled_millis" : 0, + "requests_per_second" : -1.0, + "throttled_until_millis" : 0, + "failures" : [ ] +} +

If routing is provided, then the routing is copied to the scroll query, limiting the process to the shards that match that routing value:
+
+$ curl -XPOST 'http://elasticsearch:9200/people/_delete_by_query?routing=1 +{ + "query": { + "range" : { + "age" : { + "gte" : 10 + } + } + } +} +
By default _delete_by_query uses scroll batches of 1000. You can change the batch size with the scroll_size URL parameter:
+
+$ curl -XPOST 'http://elasticsearch:9200/weblogs/_delete_by_query?scroll_size=5000 +{ + "query": { + "term": { + "category": "docker" + } + } +} +
## Delete Stats:
+
+$ curl -XGET 'elasticsearch:9200/_tasks?detailed=true&actions=*/delete/byquery&pretty' +{ + "nodes" : { + "s5A2CoRWrwKf512z6NEscF" : { + "name" : "r4A5VoT", + "transport_address" : "127.0.0.1:9300", + "host" : "127.0.0.1", + "ip" : "127.0.0.1:9300", + "attributes" : { + "testattr" : "test", + "portsfile" : "true" + }, + "tasks" : { + "s5A2CoRWrwKf512z6NEscF" : { + "node" : "s5A2CoRWrwKf512z6NEscF", + "id" : 36619, + "type" : "transport", + "action" : "indices:data/write/delete/byquery", + "status" : { + "total" : 6154, + "updated" : 0, + "created" : 0, + "deleted" : 3500, + "batches" : 36, + "version_conflicts" : 0, + "noops" : 0, + "retries": 0, + "throttled_millis": 0 + }, + "description" : "" + } + } + } + } +} +
# Snapshots
+
+## Elasticsearch S3 Snapshot Repo
+
+Setup the [S3 Snapshot Repository](https://sysadmins.co.za/aws-elasticsearch-register-s3-repository-for-snapshots-using-the-cli/?rbas_source=gist.github.com?rbas_sourcepage=cheatsheet-elasticsearch.md)
+
+List the Snapshot Repositories:
+
+$ curl -XGET 'http://127.0.0.1:9200/_cat/repositories?v' +id type +foo-bacups s3 +bar-backups s3 +
View the Snapshot Repository:
+
+$ curl -sSL -u "$ES_USER":"$ES_PASS" "$ES_URL/_snapshot/bar-backups?pretty' +{ + "bar-backups" : { + "type" : "s3", + "settings" : { + "bucket" : "my-es-snapshot-bucket", + "region" : "eu-west-1", + "role_arn" : "arn:aws:iam::0123456789012:role/elasticsearch-snapshot-role" + } + } +} +
## Elasticsearch Snapshots
+
+Create a Snapshot named `mysnapshot_ruan-test-2018-05-24_1` of the index: `ruan-test-2018-05-24` and return the exit when the snapshot is done:
+
+$ curl -XPUT -H 'Content-Type: application/json' \ + 'http://elasticsearch:9200/_snapshot/bar-backups/mysnapshot_ruan-test-2018-05-24_1?wait_for_completion=true&pretty=true' -d ' +{ + "indices": "ruan-test-2018-05-24", + "ignore_unavailable": true, + "include_global_state": false +} +'

+

{ + "snapshot" : { + "snapshot" : "mysnapshot_ruan-test-2018-05-24_1", + "uuid" : "YRTE5922QCeqyEaMxPqb1A", + "version_id" : 6000199, + "version" : "6.0.1", + "indices" : [ "ruan-test-2018-05-24" ], + "state" : "SUCCESS", + "start_time" : "2018-05-25T13:20:11.497Z", + "start_time_in_millis" : 1527254411497, + "end_time" : "2018-05-25T13:20:11.886Z", + "end_time_in_millis" : 1527254411886, + "duration_in_millis" : 389, + "failures" : [ ], + "shards" : { + "total" : 5, + "failed" : 0, + "successful" : 5 + } + } +} +

Verify the Snapshot:
+
+$ curl -sSL -u "$ES_USER":"$ES_PASS" "$ES_URL/cat/snapshots/bar-backups?v&s=id' +id status start_epoch start_time end_epoch end_time duration indices successful_shards failed_shards total_shards +mysnapshot_ruan-test-2018-05-24_1 SUCCESS 1527254411 06:20:11 1527254411 06:20:11 389ms 1 5 0 5 +
## Elasticsearch Restore
+
+Get the Metadata of the Snapshot:
+
+$ curl -sSL -u "$ES_USER":"$ES_PASS" "$ES_URL/_snapshot/bar-backups/mysnapshot_ruan-test-2018-05-24_1?pretty' +{ + "snapshots" : [ { + "snapshot" : "mysnapshot_ruan-test-2018-05-24_1", + "uuid" : "YRTE5922QCeqyEaMxPqb1A", + "version_id" : 6000199, + "version" : "6.0.1", + "indices" : [ "ruan-test-2018-05-24" ], + "state" : "SUCCESS", + "start_time" : "2018-05-25T13:20:11.497Z", + "start_time_in_millis" : 1527254411497, + "end_time" : "2018-05-25T13:20:11.886Z", + "end_time_in_millis" : 1527254411886, + "duration_in_millis" : 389, + "failures" : [ ], + "shards" : { + "total" : 5, + "failed" : 0, + "successful" : 5 + } + } ] +} +
Inspect the Snapshot on S3:
+
+$ aws s3 --profile es ls s3://my-es-snapshot-bucket/ | grep VRTF2942QCeqyEaMxPgb1B +2018-05-25 15:20:12 90 meta-VRTF2942QCeqyEaMxPgb1B.dat +2018-05-25 15:20:12 258 snap-VRTF2942QCeqyEaMxPgb1B.dat +
Execute the Restore:
+
+$ curl -XPOST -H 'Content-Type: application/json' 'http://elasticsearch:9200/_snapshot/bar-backups/mysnapshot_ruan-test-2018-05-24_1/_restore -d ' +{ + "indices": "ruan-test-2018-05-24", + "ignore_unavailable": true, + "include_global_state": false, + "rename_pattern": "index(.+)", + "rename_replacement": "restored_index_$1" +} +' +```

+

or leave out the body for normal restore

+

Elasticsearch Snapshot Resources:

+
    +
  • https://www.elastic.co/guide/en/elasticsearch/reference/current/modules-snapshots.html
    • +
  • https://www.youtube.com/watch?v=Otl-IcmbiDE
    • +
  • https://recology.info/2015/02/elasticsearch-backup-restore/
    • +
  • https://medium.com/@rcdexta/periodic-snapshotting-of-elasticsearch-indices-f6b6ca221a0c
    • +
+ + + + + + + + + + + + + +
+
+ + + +
+ + + +
+ + + +
+
+
+
+ + + + + + + + + + \ No newline at end of file diff --git a/03-tools/elastic/index_templates/logs-k3s.json b/03-tools/elastic/index_templates/logs-k3s.json new file mode 100644 index 000000000..3dd653062 --- /dev/null +++ b/03-tools/elastic/index_templates/logs-k3s.json @@ -0,0 +1,25 @@ +{ + "priority": 101, + "template": { + "settings": { + "index": { + "lifecycle": { + "name": "logs-k3s" + }, + "number_of_shards": "1", + "number_of_replicas": "0" + } + } + }, + "index_patterns": [ + "logs-k3s_*", + "logs-k3s-*", + "logs-pi_prod-k3s_*" + ], + "data_stream": {}, + "composed_of": [ + "logs-mappings", + "data-streams-mappings", + "logs-settings" + ] +} diff --git a/03-tools/elastic/node_stats.sh b/03-tools/elastic/node_stats.sh new file mode 100644 index 000000000..ff615ccbb --- /dev/null +++ b/03-tools/elastic/node_stats.sh @@ -0,0 +1,15 @@ +#!/bin/bash + +# Define the Elasticsearch URL +ES_URL="${ES_URL}" + +# Define the Elasticsearch credentials +ES_USER="elastic" +ES_PASS="QW5vA1bjf38O355DmC1Q1n5k" +METRIC=$1 + +# Define the Elasticsearch API endpoint +ES_ENDPOINT="${ES_URL}/_nodes/stats" + +# Make the GET request using curl with authentication +curl -sSL -u "$ES_USER:$ES_PASS" "$ES_ENDPOINT" diff --git a/03-tools/elastic/reindex.sh b/03-tools/elastic/reindex.sh new file mode 100644 index 000000000..eee2e1302 --- /dev/null +++ b/03-tools/elastic/reindex.sh @@ -0,0 +1,107 @@ +#!/bin/bash +# poor man debugger +set -x +# cat datastreams.txt | xargs -I{} sh -c "./reindex.sh {}" + +# Define the Elasticsearch URL +ES_URL="${ES_URL}" + +# Define the Elasticsearch credentials +ES_USER="elastic" +ES_PASS=$(op item get elastic --vault home-ops --fields label=credencial) + +# Get the DATASTREAM name from the command-line argument +DATASTREAM_NAME="$1" +NAMESPACE=$(echo "$DATASTREAM_NAME" | sed 's/logs-k3s_prod-//') + +# Define the log file +LOG_FILE="script_log.txt" + +# Function to log messages +log_message() { + local message="$1" + echo "$(date +'%Y-%m-%d %H:%M:%S') - $message" +} + +# Check if a DATASTREAM name was provided +if [ -z "$DATASTREAM_NAME" ]; then + echo "Usage: $0 " + exit 1 +fi + +# Function to ask for confirmation before each curl operation +confirm_operation() { + local operation_name="$1" + read -r -p "Are you sure you want to proceed with $operation_name? (yes/no): " confirmation + if [ "$confirmation" != "yes" ]; then + log_message "Operation canceled: $operation_name" + exit 0 + fi +} + +# Caution this setting has to be applied per datastream +# Define the PUT request for changing index settings +#SETTINGS_PAYLOAD="{ +# \"index\": { +# \"refresh_interval\": \"0s\", +# \"number_of_replicas\": 0 +# } +#}" +# +## Send change settings request +#log_message "Changing settings: $DATASTREAM_NAME" +#change_settings=$(curl -XPOST -sSL "$ES_URL/$DATASTREAM_NAME/_settings" -u "$ES_USER:$ES_PASS" -H "Content-Type: application/json" -d "$SETTINGS_PAYLOAD") +#log_message "message: $change_settings" +#log_message "Reindexed: $DATASTREAM_NAME" + +# Define the REINDEX_PAYLOAD +REINDEX_PAYLOAD="{ + \"source\": { + \"index\": \"$DATASTREAM_NAME\" + }, + \"dest\": { + \"index\": \"logs-k3s-prod\", + \"op_type\": \"create\", + \"pipeline\": \"reindex_poc\" + } +}" + +# Send the REINDEX request +#confirm_operation "reindexing" +log_message "Reindexing: $DATASTREAM_NAME" +reindexing=$(curl -XPOST -sSL "$ES_URL/_reindex?pretty" -u "$ES_USER:$ES_PASS" -H "Content-Type: application/json" -d "$REINDEX_PAYLOAD") +log_message "message: $reindexing" +log_message "Reindexed: $DATASTREAM_NAME" + +# Create an alias +CREATE_ALIAS_REQUEST="_aliases?pretty" +ALIAS_PAYLOAD="{ + \"actions\": [ + { + \"add\": { + \"index\": \"logs-k3s-prod\", + \"alias\": \"$DATASTREAM_NAME\", + \"filter\": { + \"term\": { + \"kubernetes.pod_namespace\": \"$NAMESPACE\" + } + } + } + } + ] +}" + +# Delete the data stream +DELETE_DATASTREAM_REQUEST="_data_stream/$DATASTREAM_NAME" +#confirm_operation "deleting the data stream $DATASTREAM_NAME" +log_message "Deleting the data stream: $DATASTREAM_NAME" +delete=$(curl -XDELETE -sSL "$ES_URL/$DELETE_DATASTREAM_REQUEST" -u "$ES_USER:$ES_PASS") +log_message "Deleted the data stream: $DATASTREAM_NAME" + +# Send the CREATE ALIAS request +#confirm_operation "creating an alias" +log_message "Creating an alias: $DATASTREAM_NAME" +alias=$(curl -XPOST -sSL "$ES_URL/$CREATE_ALIAS_REQUEST" -u "$ES_USER:$ES_PASS" -H "Content-Type: application/json" -d "$ALIAS_PAYLOAD") +log_message "Created an alias: $DATASTREAM_NAME" + + diff --git a/03-tools/elastic/rollover.sh b/03-tools/elastic/rollover.sh new file mode 100644 index 000000000..fad0f737c --- /dev/null +++ b/03-tools/elastic/rollover.sh @@ -0,0 +1,26 @@ +#!/bin/bash +# Define the Elasticsearch credentials +ES_USER="${ES_USER}" +ES_PASS=$(gopass show -o personal/homeops/logging/elastic) + +# Get the ILM policy name from the command-line argument +DATA_STREAM_NAME="$1" + +if [ -z "$ES_URL" ] || [ -z "$ES_USER" ] || [ -z "$ES_PASS" ]; then + echo "Please provide ES_URL, ES_USER, and ES_PASS environment variables." + exit 1 +fi + + +# Check if ds argument is provided + +if [-z "$DATA_STREAM_NAME"]; then + echo "I can't rollover a datastream without a target. Please provide a datastream name" + exit 1 +fi + +# Make a curl request to Elasticsearch and process the output +curl_output=$(curl -sSL -u "$ES_USER":"$ES_PASS" "$ES_URL/$DATA_STREAM_NAME/_rollover&dry_run=true) + + +echo "$curl_output" diff --git a/03-tools/elastic/upload_ilm_policy.sh b/03-tools/elastic/upload_ilm_policy.sh new file mode 100644 index 000000000..1ed9fa71e --- /dev/null +++ b/03-tools/elastic/upload_ilm_policy.sh @@ -0,0 +1,29 @@ +#!/bin/bash + +# Define the Elasticsearch URL +ES_URL="${ES_URL}" + +# Define the Elasticsearch credentials +ES_USER="${ES_USER}" +ES_PASS="${ES_PASS}" + +# Get the JSON file path from the command-line argument +JSON_FILE="$1" + +# Check if a JSON file was provided +if [ -z "$JSON_FILE" ]; then + echo "Usage: $0 " + exit 1 +fi + +# Read the JSON content from the provided file +JSON_CONTENT=$(cat "$JSON_FILE") + +# Extract the ILM policy name from the filename +ILM_POLICY_NAME=$(basename "$JSON_FILE" .json) + +# Construct the full URL for the ILM policy +ILM_POLICY_URL="$ES_URL/_ilm/policy/$ILM_POLICY_NAME" + +# Send the JSON using curl to create/update the ILM policy +curl -X PUT "$ILM_POLICY_URL" -H "Content-Type: application/json" -u "$ES_USER:$ES_PASS" -d "$JSON_CONTENT" diff --git a/03-tools/elastic/upload_index_template.sh b/03-tools/elastic/upload_index_template.sh new file mode 100644 index 000000000..eee8a22c7 --- /dev/null +++ b/03-tools/elastic/upload_index_template.sh @@ -0,0 +1,29 @@ +#!/bin/bash + +# Define the Elasticsearch URL +ES_URL="${ES_URL}" + +# Define the Elasticsearch credentials +ES_USER="${ES_USER}" +ES_PASS=${ES_PASS} + +# Get the JSON file path from the command-line argument +JSON_FILE="$1" + +# Check if a JSON file was provided +if [ -z "$JSON_FILE" ]; then + echo "Usage: $0 " + exit 1 +fi + +# Read the JSON content from the provided file +JSON_CONTENT=$(cat "$JSON_FILE") + +# Extract the index template name from the filename +TEMPLATE_NAME=$(basename "$JSON_FILE" .json) + +# Construct the full URL for the index template +TEMPLATE_URL="$ES_URL/_index_template/$TEMPLATE_NAME" + +# Send the JSON using curl to create/update the index template +curl -X PUT "$TEMPLATE_URL" -H "Content-Type: application/json" -u "$ES_USER:$ES_PASS" -d "$JSON_CONTENT" diff --git a/03-tools/flux/99-runbooks/index.html b/03-tools/flux/99-runbooks/index.html new file mode 100644 index 000000000..2b1ef6a64 --- /dev/null +++ b/03-tools/flux/99-runbooks/index.html @@ -0,0 +1,881 @@ + + + + + + + + + + + + + + + + + + + 99 runbooks - Oscar's Homelab + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+ + + + Skip to content + + +
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+ +
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+ + + + +

99 runbooks

+ +

Helm rollback failed

+

Meaning

+

There is an existing issue with the Flux helm-controller (https://github.com/fluxcd/helm-controller/issues/149) that can cause HelmReleases to get "stuck" with an error message like "Helm upgrade failed: another operation (install/upgrade/rollback) is in progress". This can happen anytime the helm-controller is restarted while a HelmRelease is upgrading/installing/etc.

+

Mitigation

+

To ensure the HelmRelease error was caused by the helm-controller restarting, first try to suspend/resume the HelmRelease:

+
flux suspend hr <helmrelease> -n <namespace>
+flux resume hr <helmrelease> -n <namespace>
+
+

You can find any flux resource that is not ready by running

+
flux get all -A --status-selector ready=false
+
+

Scenario A

+

After applying suspend/resume the issue is solved and a message with "Release reconciliation succeeded" appears.

+

Example

+
➜  ~ flux get all -A --status-selector ready=false
+NAMESPACE       NAME    REVISION        SUSPENDED       READY   MESSAGE
+
+NAMESPACE       NAME    REVISION        SUSPENDED       READY   MESSAGE
+
+NAMESPACE       NAME    REVISION        SUSPENDED       READY   MESSAGE
+
+NAMESPACE       NAME    REVISION        SUSPENDED       READY   MESSAGE
+
+NAMESPACE       NAME    REVISION        SUSPENDED       READY   MESSAGE
+
+NAMESPACE       NAME                    REVISION        SUSPENDED       READY   MESSAGE
+monitoring      helmrelease/gatus       1.5.1           True            False   Helm rollback failed: release gatus failed: context deadline exceeded
+
+                                                                                Last Helm logs:
+
+                                                                                preparing rollback of gatus
+                                                                                rolling back gatus (current: v2, target: v1)
+                                                                                creating rolled back release for gatus
+                                                                                performing rollback of gatus
+
+

Scenario B

+

or it will fail with the same error as before, i.e: "Helm upgrade failed: another operation (install/upgrade/rollback) is in progress".

+

If the HelmRelease is still in the failed state, it's likely related to the helm-controller restarting. To resolve the issue, do the following.

+
    +
  1. List secrets containing the affected HelmRelease name.
    2. +
+

Example

+
sh.helm.release.v1.blackbox-exporter.v1         helm.sh/release.v1                    1      13d
+sh.helm.release.v1.gatus.v1                     helm.sh/release.v1                    1      13d
+sh.helm.release.v1.gatus.v2                     helm.sh/release.v1                    1      6d13h
+sh.helm.release.v1.gatus.v3                     helm.sh/release.v1                    1      6d13h
+sh.helm.release.v1.gatus.v4                     helm.sh/release.v1                    1      6m46s
+sh.helm.release.v1.gatus.v5                     helm.sh/release.v1                    1      5m30s
+
+
    +
  1. Find and delete the most recent revision secret (i.e. sh.helm.release.v1.*.<revision>)
    2. +
+

Example

+
kubectl get secrets -n monitoring | grep gatus | awk '{ print $1 }' | xargs -I{} sh -c "kubectl delete secret -n monitoring {}
+
+
    +
  1. suspend/resume the HelmRelease to trigger a reconciliation
    2. +
+

Example

+
flux resume hr gatus -n monitoring
+
+
    +
  1. You should see the HelmRelease get reconciled then eventually the upgrade/install will succeed.
    2. +
+

Additional information

+
    +
  • https://support.d2iq.com/hc/en-us/articles/8295311458964-Resolving-issues-with-HelmReleases-that-are-failed-
    • +
  • https://github.com/fluxcd/helm-controller/issues/149
    • +
+

Manually rollback to a previous revision

+
    +
  1. List all the releases
    2. +
  2. Check the history for that release
    3. +
  3. Rollback the release to a previous revision
    4. +
+
helm list -Aa
+helm history <release> -n <name-space>
+helm rollback <release> <revision> -n <name-space>
+
+ + + + + + + + + + + + + +
+
+ + + +
+ + + +
+ + + +
+
+
+
+ + + + + + + + + + \ No newline at end of file diff --git a/03-tools/index.html b/03-tools/index.html new file mode 100644 index 000000000..29bfe0329 --- /dev/null +++ b/03-tools/index.html @@ -0,0 +1,721 @@ + + + + + + + + + + + + + + + + + + + Troubleshooting - Oscar's Homelab + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+ + + + Skip to content + + +
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+ + + + + +
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+ + + +
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+ + + +
+
+ + + + +

Troubleshooting

+

This site is under construction. Stay tuned for more updates.

+ + + + + + + + + + + + + +
+
+ + + +
+ + + +
+ + + +
+
+
+
+ + + + + + + + + + \ No newline at end of file diff --git a/03-tools/kubernetes/delete_namespace_stucked/index.html b/03-tools/kubernetes/delete_namespace_stucked/index.html new file mode 100644 index 000000000..c9699084d --- /dev/null +++ b/03-tools/kubernetes/delete_namespace_stucked/index.html @@ -0,0 +1,797 @@ + + + + + + + + + + + + + + + + + + + How do I troubleshoot namespaces in a terminated state? - Oscar's Homelab + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+ + + + Skip to content + + +
+
+ +
+ + + + + + +
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+ +
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+
+ + + + + +
+
+
+ + + +
+
+
+ + + +
+
+
+ + + +
+
+ + + + +

How do I troubleshoot namespaces in a terminated state?

+

Short description

+

To delete a namespace, Kubernetes must first delete all the resources in the namespace. Then, +it must check registered API services for the status. A namespace gets stuck in Terminating stats for the following reasons:

+
    +
  • The namespace contains resources that Kubernetes can't delete
    • +
  • An API service has a False status
    • +
+

Resolution

+
    +
  1. Save JSON file like in the following example:
    2. +
+
kubectl get namespace TERMINATING_NAMESPACE -o json > tempfile.json
+
+

Note: Replace TERMINATING_NAMESPACE with the name of your stuck namespace.

+
    +
  1. Remove the finalizers array block from the spec section of the JSON file:
    2. +
+
"spec": {
+        "finalizers": [
+            "kubernetes"
+        ]
+    }
+
+

After you remove the finalizers array block, the spec section of the JSON file looks like this:

+
"spec" : {
+    }
+
+
    +
  1. To apply the changes, run the following command:
    2. +
+
kubectl replace --raw "/api/v1/namespaces/TERMINATING_NAMESPACE/finalize" -f ./tempfile.json
+
+

Note: Replace TERMINATING_NAMESPACE with the name of your stuck namespace.

+
    +
  1. Verify that the terminating namespace is removed:
    2. +
+
kubectl get namespaces
+
+ + + + + + + + + + + + + + + +
+
+ + + +
+ + + +
+ + + +
+
+
+
+ + + + + + + + + + \ No newline at end of file diff --git a/03-tools/kubernetes/storage/index.html b/03-tools/kubernetes/storage/index.html new file mode 100644 index 000000000..2c8d10186 --- /dev/null +++ b/03-tools/kubernetes/storage/index.html @@ -0,0 +1,739 @@ + + + + + + + + + + + + + + + + + + + Storage - Oscar's Homelab + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+ + + + Skip to content + + +
+
+ +
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+ + + + + +
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+ + + +
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+ + + +
+
+ + + + +

Storage

+ +

Set a Storage Class as Default

+
kubectl patch storageclass <storage-class-name> -p '{"metadata": {"annotations":{"storageclass.kubernetes.io/is-default-class":"true"}}}'
+
+ + + + + + + + + + + + + +
+
+ + + +
+ + + +
+ + + +
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+
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+ + + + + + + + + + \ No newline at end of file diff --git a/404.html b/404.html new file mode 100644 index 000000000..adf4e897d --- /dev/null +++ b/404.html @@ -0,0 +1,698 @@ + + + + + + + + + + + + + + + + + + + Oscar's Homelab + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+ +
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+ +
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+ + + +
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+ +

404 - Not found

+ +
+
+ + + +
+ + + +
+ + + +
+
+
+
+ + + + + + + + + + \ No newline at end of file diff --git a/CNAME b/CNAME new file mode 100644 index 000000000..1dfcea7d4 --- /dev/null +++ b/CNAME @@ -0,0 +1 @@ +homelab.oscaromeu.io diff --git a/archive/03-prometheus/index.html b/archive/03-prometheus/index.html new file mode 100644 index 000000000..36118f9d3 --- /dev/null +++ b/archive/03-prometheus/index.html @@ -0,0 +1,849 @@ + + + + + + + + + + + + + + + + + + + 03 prometheus - Oscar's Homelab + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+ + + + Skip to content + + +
+
+ +
+ + + + + + +
+ + +
+ +
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+ + + +
+
+ + + + +

03 prometheus

+ +
prometheus:
+  prometheusSpec:
+    podMonitorSelectorNilUsesHelmValues: false
+    ruleSelectorNilUsesHelmValues: false
+    serviceMonitorSelectorNilUsesHelmValues: false
+    probeSelectorNilUsesHelmValues: false
+
+

ServiceMonitor not showing up in targets

+
+

Info

+

Check the oficial troubleshooting guide

+
+
+

Info

+

Prometheus operator helm values

+
+

By default, Prometheus instances created with the Helm Kube Prometheus stack have a label release: <prometheus-installed-namespace> in their spec.serviceMonitorSelector.matchLabels field. This means that Prometheus will only monitor services that have this label. To verify this, you can run the command kubectl get prom -Ao yaml and check the spec.serviceMonitorSelector field in the output. This means that if a servicemonitor does not have this label, Prometheus created by operator will not monitor it. Check the values.yaml of the kube-prometheus helm chart project.

+

You have two options to get it work without adding release label:

+
    +
  • +

    Set serviceMonitorSelectorNilUsesHelmValues to false, the Prometheus will select all the serviceMonitors.

    +

    before

    +
    $ kubectl get prom -Ao yaml | grep -A2 -B2 serviceMonitorSelector
+serviceAccountName: kube-prometheus-stack-prometheus
+serviceMonitorNamespaceSelector: {}
+serviceMonitorSelector:
+  matchLabels:
+    release: kube-prometheus-stack
+
    +

    after

    +
    $ kubectl get prom -Ao yaml | grep -A2 -B2 serviceMonitorSelector
+serviceAccountName: kube-prometheus-stack-prometheus
+serviceMonitorNamespaceSelector: {}
+serviceMonitorSelector: {}
+shards: 1
+version: v2.41.0
+
    +

    moreover

    +
    $ kubectl -n monitoring get secret prometheus-kube-prometheus-stack-prometheus -ojson | jq -r '.data["prometheus.yaml.gz"]' | base64 -d | gunzip | grep serviceMoni
+- job_name: serviceMonitor/kube-system/descheduler-servicemonitor/0
+- job_name: serviceMonitor/logging/prometheus-elasticsearch-exporter-monitor/0
+- job_name: serviceMonitor/logging/redis/0
+- job_name: serviceMonitor/monitoring/grafana/0
+- job_name: serviceMonitor/monitoring/kube-prometheus-stack-alertmanager/0
+- job_name: serviceMonitor/monitoring/kube-prometheus-stack-apiserver/0
+- job_name: serviceMonitor/monitoring/kube-prometheus-stack-coredns/0
+- job_name: serviceMonitor/monitoring/kube-prometheus-stack-kube-state-metrics/0
+- job_name: serviceMonitor/monitoring/kube-prometheus-stack-kubelet/0
+- job_name: serviceMonitor/monitoring/kube-prometheus-stack-kubelet/1
+- job_name: serviceMonitor/monitoring/kube-prometheus-stack-kubelet/2
+- job_name: serviceMonitor/monitoring/kube-prometheus-stack-operator/0
+- job_name: serviceMonitor/monitoring/kube-prometheus-stack-prometheus/0
+- job_name: serviceMonitor/monitoring/kube-prometheus-stack-prometheus-node-exporter/0
+
    +
    • +
  • +

    Set serviceMonitorSelectorto any label you like. Like this

    +
    • +
+
commonLabels:
+prometheus: myLabe
+prometheus:
+  prometheusSpec:
+    serviceMonitorSelector:
+      matchLabels:
+        prometheus: myLabel
+
+

podMonitor not showing up in targets

+
+

Info

+

Read the "serviceMonitor not showing up in targets" to get a detailed explanation of what happens.

+
+

Check the output of the following command:

+

before the fix

+
$ kubectl get prom -Ao yaml | grep -A3 -B3 podMonitor
+    logFormat: logfmt
+    logLevel: info
+    paused: false
+    podMonitorNamespaceSelector: {}
+    podMonitorSelector:
+      matchLabels:
+        release: kube-prometheus-stack
+    portName: http-web
+
+

after the fix

+
$ kubectl get prom -Ao yaml | grep -A3 -B3 podMonitor
+    logFormat: logfmt
+    logLevel: info
+    paused: false
+    podMonitorNamespaceSelector: {}
+    podMonitorSelector: {}
+    portName: http-web
+    probeNamespaceSelector: {}
+    probeSelector:
+
+
$ kubectl get prom -Ao yaml | grep -A3 -B3 ruleSelector
+    retentionSize: 15GB
+    routePrefix: /
+    ruleNamespaceSelector: {}
+    ruleSelector:
+      matchLabels:
+        release: kube-prometheus-stack
+    scrapeInterval: 60s
+
+ + + + + + + + + + + + + +
+
+ + + +
+ + + +
+ + + +
+
+
+
+ + + + + + + + + + \ No newline at end of file diff --git a/archive/03-vector/index.html b/archive/03-vector/index.html new file mode 100644 index 000000000..0a99e1c33 --- /dev/null +++ b/archive/03-vector/index.html @@ -0,0 +1,740 @@ + + + + + + + + + + + + + + + + + + + 03 vector - Oscar's Homelab + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+ + + + Skip to content + + +
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+ + + + + + + + + + \ No newline at end of file diff --git a/archive/aws/index.html b/archive/aws/index.html new file mode 100644 index 000000000..79081aa85 --- /dev/null +++ b/archive/aws/index.html @@ -0,0 +1,843 @@ + + + + + + + + + + + + + + + + + + + Aws - Oscar's Homelab + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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Aws

+ +

Create S3 Bucket

+

Create an S3 bucket, replacing placeholders appropiately

+
+

Tip

+

Generate a random string with openssl rand -hex 18

+
+
BUCKET=<YOUR_BUCKET>
+REGION=<YOUR_REGION>
+APP=<YOUR_APP>
+aws s3api create-bucket \
+    --bucket $BUCKET \
+    --region $REGION \
+    --create-bucket-configuration LocationConstraint=$REGION
+
+

NOTE: us-east-1 does not support a LocationConstraint. If your region is us-east-1, omit the bucket configuration:

+
BUCKET=<YOUR_BUCKET>
+REGION=<YOUR_REGION>
+aws s3api create-bucket \
+    --bucket $BUCKET \
+    --region us-east-1
+
+

Set permissions for the App with an IAM user

+
+

Info

+

The permissions for the app can be configured also using kube2iam method.

+
+

For more information, see the AWS documentation on IAM users

+
    +
  1. Create the IAM user:
    2. +
+
aws iam create-user --user-name $APP
+
+
    +
  1. Attach policies to give $APP the necessary permissions
    2. +
+
cat > $APP-policy.json <<EOF
+{
+    "Version": "2012-10-17",
+    "Statement": [
+        {
+            "Effect": "Allow",
+            "Action": [
+                "ec2:DescribeVolumes",
+                "ec2:DescribeSnapshots",
+                "ec2:CreateTags",
+                "ec2:CreateVolume",
+                "ec2:CreateSnapshot",
+                "ec2:DeleteSnapshot"
+            ],
+            "Resource": "*"
+        },
+        {
+            "Effect": "Allow",
+            "Action": [
+                "s3:GetObject",
+                "s3:DeleteObject",
+                "s3:PutObject",
+                "s3:AbortMultipartUpload",
+                "s3:ListMultipartUploadParts"
+            ],
+            "Resource": [
+                "arn:aws:s3:::${BUCKET}/*"
+            ]
+        },
+        {
+            "Effect": "Allow",
+            "Action": [
+                "s3:ListBucket"
+            ],
+            "Resource": [
+                "arn:aws:s3:::${BUCKET}"
+            ]
+        }
+    ]
+}
+EOF
+
+
aws iam put-user-policy \
+  --user-name $APP \
+  --policy-name $APP \
+  --policy-document file://$APP-policy.json
+
+
    +
  1. Create an access key for the user:
    2. +
+
aws iam create-access-key --user-name $APP
+
+

The result should look like

+
{
+  "AccessKey": {
+        "UserName": "velero",
+        "Status": "Active",
+        "CreateDate": "2017-07-31T22:24:41.576Z",
+        "SecretAccessKey": <AWS_SECRET_ACCESS_KEY>,
+        "AccessKeyId": <AWS_ACCESS_KEY_ID>
+  }
+}
+
+ + + + + + + + + + + + + +
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+ + + +
+ + + +
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+
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+ + + + + + + + + + \ No newline at end of file diff --git a/archive/cloudflare/index.html b/archive/cloudflare/index.html new file mode 100644 index 000000000..8f230833c --- /dev/null +++ b/archive/cloudflare/index.html @@ -0,0 +1,788 @@ + + + + + + + + + + + + + + + + + + + Cloudflare - Oscar's Homelab + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+ + + + Skip to content + + +
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+ + + + +

Cloudflare

+ +

List Zones

+
curl -s --request GET --url https://api.cloudflare.com/client/v4/zones --header 'Content-Type: application/json' --header 'X-Auth-Email: ' --header 'X-Auth-Key: ' | jq '.result[].id'
+
+

List DNS Records

+
curl --request GET \
+  --url https://api.cloudflare.com/client/v4/zones/zone_identifier/dns_records \
+  --header 'Content-Type: application/json' \
+  --header 'X-Auth-Email: ' \
+  --header 'X-Auth-Key:
+
+

Delete DNS Records

+
#!/bin/bash
+
+ZONE_ID="..."
+AUTH_EMAIL="$(gopass show personal/homeops/cloudflare-x-auth-email)"
+AUTH_KEY="$(gopass show personal/homeops/CloudflareGlobalAPIKey)"
+
+# Get the DNS record IDs
+record_ids=$(curl -s --request GET \
+  --url "https://api.cloudflare.com/client/v4/zones/$ZONE_ID/dns_records" \
+  --header "Content-Type: application/json" \
+  --header "X-Auth-Email: $AUTH_EMAIL" \
+  --header "X-Auth-Key: $AUTH_KEY" | jq -r '.result[].id')
+
+# Loop through the IDs and fetch details for each DNS record
+for id in $record_ids; do
+  curl -s --request DELETE \
+    --url "https://api.cloudflare.com/client/v4/zones/$ZONE_ID/dns_records/$id" \
+    --header "Content-Type: application/json" \
+    --header "X-Auth-Email: $AUTH_EMAIL" \
+    --header "X-Auth-Key: $AUTH_KEY"
+  echo ""  # Add an empty line for separation between records
+done
+
+ + + + + + + + + + + + + +
+
+ + + +
+ + + +
+ + + +
+
+
+
+ + + + + + + + + + \ No newline at end of file diff --git a/archive/fluxcd/index.html b/archive/fluxcd/index.html new file mode 100644 index 000000000..f83938191 --- /dev/null +++ b/archive/fluxcd/index.html @@ -0,0 +1,847 @@ + + + + + + + + + + + + + + + + + + + Flux CD - Oscar's Homelab + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+ + + + Skip to content + + +
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+ + + +
+
+ + + + +

Flux CD

+

Flux CD is a GitOps continuous delivery tool that automatically synchronizes Kubernetes manifests with the desired state in Git repositories. This guide covers the most important Flux CD commands and includes a troubleshooting section.

+

Checking Flux Components

+
flux check
+
+

Adding Flux Components

+
flux create source git <source-name> --url=<git-url> --branch=<branch> [--interval=<interval>]
+flux create kustomization <kustomization-name> --source=<source-name> --path=<path> [--interval=<interval>]
+
+

Synchronizing Flux Components

+
flux reconcile source git <source-name>
+flux reconcile kustomization <kustomization-name>
+
+

Suspending/Resuming Flux Components

+
flux suspend kustomization <kustomization-name>
+flux resume kustomization <kustomization-name>
+
+

Troubleshooting Flux CD

+

Check the Flux CD components' status:

+
flux get sources git
+flux get kustomizations
+
+

Inspect Flux CD logs:

+
flux logs --level=<error|info|debug>
+
+

Troubleshoot individual resources:

+
kubectl describe <resource-type> <resource-name> -n <namespace>
+kubectl logs <pod-name> -n <namespace>
+
+

Example

+
kubectl describe -n flux-system kustomization cluster-apps
+...
+Events:
+  Type    Reason                   Age                From                  Message
+  ----    ------                   ----               ----                  -------
+  Normal  ReconciliationSucceeded  46m                kustomize-controller  Reconciliation finished in 2.171262291s, next run in 30m0s
+  Normal  Progressing              15m (x2 over 46m)  kustomize-controller  Namespace/flux-system configured
+Namespace/monitoring configured
+  Normal  ReconciliationSucceeded  15m  kustomize-controller  Reconciliation finished in 2.449433766s, next run in 30m0s
+➜  home-ops git:(main) ✗ kubectl describe -n flux-system kustomization cluster-apps
+
+

FluxCD Multi Tenancy on AKS with GitOps

+ + + + + + + + + + + + + +
+
+ + + +
+ + + +
+ + + +
+
+
+
+ + + + + + + + + + \ No newline at end of file diff --git a/archive/grafana/index.html b/archive/grafana/index.html new file mode 100644 index 000000000..7e3a6ef02 --- /dev/null +++ b/archive/grafana/index.html @@ -0,0 +1,732 @@ + + + + + + + + + + + + + + + + + + + Grafana - Oscar's Homelab + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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+ + + + +

Grafana

+ +
---
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+namespace: default
+resources:
+  #- ./externalsecret.yaml
+  - ./helmrelease.yaml
+configMapGenerator:
+  - name: cloudnative-pg-dashboard
+    files:
+      - cloudnative-pg-dashboard.json=https://raw.githubusercontent.com/cloudnative-pg/cloudnative-pg/main/docs/src/samples/monitoring/grafana-dashboard.json
+generatorOptions:
+  disableNameSuffixHash: true
+  annotations:
+    kustomize.toolkit.fluxcd.io/substitute: disabled
+  labels:
+    grafana_dashboard: "true"
+
+ + + + + + + + + + + + + +
+
+ + + +
+ + + +
+ + + +
+
+
+
+ + + + + + + + + + \ No newline at end of file diff --git a/archive/helpful_commands/index.html b/archive/helpful_commands/index.html new file mode 100644 index 000000000..f192b8852 --- /dev/null +++ b/archive/helpful_commands/index.html @@ -0,0 +1,842 @@ + + + + + + + + + + + + + + + + + + + Helpful Commands - Oscar's Homelab + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+ + + + Skip to content + + +
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+ + + +
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+ + + +
+
+ + + + +

Helpful Commands

+

Get kubeconfig cluster configuration

+
kubectl config view --minify --raw
+
+

Delete all evicted pods

+
kubectl get pods --all-namespaces --field-selector 'status.phase==Failed' -o json | kubectl delete -f -
+
+ +

Scale all deployments in a Namespace

+
kubectl scale deployment -n <namespace> --replicas 0 --all
+
+
+

SOPS

+

To encrypt the file

+
sops --encrypt --age $(cat $SOPS_AGE_KEY_FILE |grep -oP "public key: \K(.*)") --encrypted-regex '^(data|stringData)$' --in-place ./secret.sops.yaml
+
+

To decrypt the file

+
sops --decrypt --age $(cat $SOPS_AGE_KEY_FILE |grep -oP "public key: \K(.*)") --encrypted-regex '^(data|stringData)$' --in-place ./secret.sops.yaml
+
+
+

Hardware

+

How to get device UUID path

+

Example for getting the UUID Path for a device with nvme in the name:

+
ls -la /dev/disk/by-id/* | grep nvme
+
+
+ + + + + + + + + + + + + + + + +
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+ + + + Skip to content + + +
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Installation

+

pre-commit

+

It is advisable to install pre-commit and the pre-commit hooks that come with this repository.

+
    +
  1. +

    Enable Pre-Commit

    +
    task precommit:init
+
    +
    2. +
  2. +

    Update Pre-Commit, though it will occasionally make mistakes, so verify its results.

    +
    task precommit:update
+
    +
    3. +
+

Repository structure

+

The Git repository contains the following directories under kubernetes and are ordered below by how Flux will apply them.

+
📁 kubernetes      # Kubernetes cluster defined as code
+├─📁 bootstrap     # Flux installation
+├─📁 flux          # Main Flux configuration of repository
+└─📁 apps          # Apps deployed into the cluster grouped by namespace
+
+

Setting up Age

+

Here we will create a Age Private and Public key. Using SOPS with Age allows us to encrypt secrets and use them in Ansible and Flux.

+
    +
  1. Create a Age Private / Public Key
    2. +
+
age-keygen -o age.agekey
+
+
    +
  1. Set up the directory for the Age key and move the Age file to it
    2. +
+
mkdir -p ~/.config/sops/age
+mv age.agekey ~/.config/sops/age/keys.txt
+
+
    +
  1. Export the SOPS_AGE_KEY_FILE variable in your bashrc, zshrc or config.fish and source it, e.g.
    2. +
+
export SOPS_AGE_KEY_FILE=~/.config/sops/age/keys.txt
+source ~/.bashrc
+
+
    +
  1. Fill out the Age public key in the .config.env under BOOTSTRAP_AGE_PUBLIC_KEY, note the public key should +start with age ...
    2. +
+

Configuration

+

The .config.env file contains necessary configuration that is needed by Ansible, Terraform and Flux.

+
    +
  1. +

    Copy the .config.sample.env to .config.env and start filling out all the environment variables.

    +

    All are required unless otherwise noted in the comments.

    +
    cp .config.sample.env .config.env
+
    +
    2. +
  2. +

    Once that is done, verify the configuration is correct by running:

    +
    task verify
+
    +
    3. +
  3. +

    If you do not encounter any errors run start having the script wire up the templated files and place them where they need to be.

    +
    task configure
+
    +
    4. +
+

Preparing Ubuntu Server with Ansible

+

Here we will be running a Ansible Playbook to prepare Ubuntu Server for running a Kubernetes cluster.

+
    +
  1. Ensure you are able to SSH into your nodes from your workstation using a private SSH key without a passphrase. This is how Ansible is able to connect to your remote nodes.
    2. +
+

How to configure SSH key-based authentication

+
    +
  1. +

    Install the Ansible deps

    +
    task ansible:init
+
    +
    2. +
  2. +

    Verify Ansible can view your config

    +
    task ansible:list
+
    +
    3. +
  3. +

    Verify Ansible can ping your nodes

    +
    task ansible:ping
+
    +
    4. +
  4. +

    Run the Fedora Server Ansible prepare playbook

    +
    task ansible:prepare
+
    +
    5. +
  5. +

    Reboot the nodes

    +
    task ansible:reboot
+
    +
    6. +
+

Installing k3s with Ansible

+

Here we will be running a Ansible Playbook to install k3s with this wonderful k3s Ansible galaxy role. After completion, Ansible will drop a kubeconfig in ./kubeconfig for use with interacting with your cluster with kubectl.

+

If you run into problems, you can run task ansible:nuke to destroy the k3s cluster and start over.

+
    +
  1. +

    Verify Ansible can view your config

    +
    task ansible:list
+
    +
    2. +
  2. +

    Verify Ansible can ping your nodes

    +
    task ansible:ping
+
    +
    3. +
  3. +

    Install k3s with Ansible

    +
    task ansible:install
+
    +
    4. +
  4. +

    Verify the nodes are online

    +
    task cluster:nodes
+# NAME           STATUS   ROLES                       AGE     VERSION
+# k8s-0          Ready    control-plane,master      4d20h   v1.21.5+k3s1
+# k8s-1          Ready    worker                    4d20h   v1.21.5+k3s1
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K3s

+ +

k3s documentation references

+
extra_server_args: "--disable servicelb --disable traefik --etcd-expose-metrics=true --kube-controller-manager-arg=bind-address=0.0.0.0 --kube-proxy-arg=metrics-bind-address=0.0.0.0 --kube-scheduler-arg=bind-address=0.0.0.0"
+extra_agent_args: ""
+
+

https://docs.k3s.io/cli/server

+

k3s components monitoring

+

By default, K3S components (Scheduler, Controller Manager, and Proxy) do not expose their endpoints for metric collection. Their /metrics endpoints are bound to 127.0.0.1, making them accessible only to localhost and preventing remote queries.

+

To modify this behavior, you must provide the following installation arguments for K3S:

+
--kube-controller-manager-arg 'bind-address=0.0.0.0'
+--kube-proxy-arg 'metrics-bind-address=0.0.0.0'
+--kube-scheduler-arg 'bind-address=0.0.0.0
+
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Elastisearch

+ +

WIP

+

Overview

+

Architecture

+

Elasticsearch is deployed using hot/warm architecture which is a common design pattern for storing and managing data in Elasticsearch. In this architecture, data is divided into two tiers: a hot tier for actively used data and a warm tier for less frequently used data.

+

Here's how it works:

+
    +
  • Hot tier: The hot tier consists of Elasticsearch indices that store data that is actively used and updated on a regular basis. This data is usually indexed on fast storage, such as solid-state drives (SSDs), and it is queried and analyzed frequently.
    • +
  • Warm tier: The warm tier consists of Elasticsearch indices that store data that is less frequently used and updated. This data is usually indexed on slower storage, such as hard disk drives (HDDs), and it is queried and analyzed less frequently than the data in the hot tier.
    • +
+

The hot/warm architecture allows you to store and manage large amounts of data in Elasticsearch while minimizing the cost and maintenance overhead of the cluster. It is particularly useful for applications that generate large amounts of data and need to retain it for long periods of time.

+

To implement the hot/warm architecture in Elasticsearch, is used

+
    +
  • index lifecycle management (ILM) to automatically move indices between the hot and warm tiers based on their age or usage patterns.
    • +
  • index templates to define the settings and mapping of indices in the hot and warm tiers, and use search templates to route queries to the appropriate tier based on the data being accessed.
    • +
+

Also the nodes that store data in the hot tier has the role of "master" and the nodes that store data in the warm tier has the "data tier".

+

This setup can provide better performance and efficiency for the cluster, as the master nodes can focus on managing the cluster and processing requests for actively used data, while the data nodes can focus on storing and processing less frequently used data. This setup can provide better availability and fault tolerance, as the master nodes can continue to operate even if one or more data nodes fail.

+

Infrastructure

+
    +
  • TBD Hot and Warm nodes
    • +
+

Administration

+

Users

+

If you're using Kibana Dev Tools to create a user in Elasticsearch, you can use the Elasticsearch Security API directly within the Kibana Console. Here's an example of how to create a user using the PUT method with the /_security/user endpoint. Here is a link to the create or update users API documentation.

+
PUT /_security/user/ingestion
+{
+  "password" : "something",
+  "roles" : [ "superuser" ]
+}
+
+

Index Management

+

Elasticsearch ILM policies are used to automatically manage the data streams according the performance, resiliency, and retention requirements.

+

Index Lifecycle Policy

+

The following policies have been created.

+ + + + + + + + + + + + + + + + + + + +
Policy NameRollover PolicyWarm PhaseDeleteIndex Template
logs-k3s200 Mb/5d10d15dlogs
+

Configure a lifecycle policy

+

Create lifecycle policy

+

Elasticsearch ILM policy documentation

+
PUT _ilm/policy/logs-k3s
+{
+  "policy": {
+    "phases": {
+      "hot": {
+        "actions": {
+          "rollover": {
+            "max_age": "5d",
+            "max_primary_shard_size": "200mb",
+            "min_primary_shard_size": "200mb"
+          },
+          "set_priority": {
+            "priority": 100
+          },
+          "shrink": {
+            "number_of_shards": 1
+          }
+        },
+        "min_age": "0ms"
+      },
+      "warm": {
+        "min_age": "10d",
+        "actions": {
+          "set_priority": {
+            "priority": 50
+          }
+        }
+      },
+      "delete": {
+        "min_age": "20d",
+        "actions": {
+          "delete": {}
+        }
+      }
+    }
+  }
+}
+
+

Apply lifecycle policy with an index template

+
PUT _index_template/logs-k3s
+{
+  "priority": 101,
+  "template": {
+    "settings": {
+      "index": {
+        "lifecycle": {
+          "name": "logs-k3s"
+        },
+        "number_of_shards": "1",
+        "number_of_replicas": "0"
+      }
+    }
+  },
+  "index_patterns": [
+    "logs-k3s_*"
+  ],
+  "data_stream": {},
+  "composed_of": [
+    "logs-mappings",
+    "data-streams-mappings",
+    "logs-settings"
+  ]
+}
+
+
    +
  1. Use this template for all new indices whose names begin with logs-k3s_*"
    2. +
  2. Apply logs-k3s to new indices created with this template
    3. +
+

Index and Component templates

+

The logs is composed by the following Component Templates:

+
    +
  • logs-mappings
    • +
  • data-streams-mappings
    • +
  • logs-settings
    • +
+

Snapshot and restore

+

Monitoring

+
    +
  • Search and indexing performance
    • +
  • Memory and garbage collection
    • +
  • Host-level system and network metrics
    • +
  • Cluster health and node availability
    • +
  • Resource saturation and errors
    • +
+

Cluster health

+ + + + + + + + + + + + + + + + + +
METRIC DESCRIPTIONELASTICSEARCH EXPORTER METRIC NAME
Cluster statuselasticsearch_cluster_health_status
Number of unasigned shardselasticsearch_cluster_health_unassigned_shards
+

Search Performance

+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
Metric descriptionNameMetric type
Total number of querieselasticsearch_indices_search_query_totalWork: Throughput
Total time spent on querieselasticsearch_indices_search_query_time_secondsWork: Performance
Number of queries currently in progress **indices.search.query_currentWork: Throughput
Total number of fetcheselasticsearch_indices_search_fetch_totalWork: Throughput
Total time spent on fetcheselasticsearch_indices_search_fetch_time_secondsWork: Performance
Number of fetches currently in progress **indices.search.fetch_currentWork: Throughput
+

Alerting

+

TBD

+

References

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+ + + + + + + + + + \ No newline at end of file diff --git a/archive/logs/index.html b/archive/logs/index.html new file mode 100644 index 000000000..1cf968b02 --- /dev/null +++ b/archive/logs/index.html @@ -0,0 +1,827 @@ + + + + + + + + + + + + + + + + + + + Flow & Policy Logging - Oscar's Homelab + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+ + + + Skip to content + + +
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Flow & Policy Logging

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Log streaming platforms are systems that efficiently gather, process, and analyze log data from a wide range of sources in near real-time. These platforms are specifically engineered to manage high volumes of log data, offering valuable insights into system and application performance.

+

Below is an overview of the key phases and components involved in a log streaming platform:

+

image

+

Data Collection

+

The platform collects log data from various sources such as containers running inside K8s or logs from JournalD. Vector from datadog is used, serving as both an agent for collecting logs and metrics and an aggregator for processing and forwarding data. Other valid options are filebeat of fluentd.

+

Message Queuing

+

To ensure efficient and reliable log data transfer, we use a message queueing system. This approach decouples data producers and consumers, allowing for scalability, fault tolerance, and improved data processing.

+

Hot Path and Cold Path

+

The log data collection process is divided into two paths: hot path and cold path.

+
    +
  • +

    Hot Path: Involves real-time data processing, analysis, and alerting. This path is designed for low-latency data access and quick response to potential issues.

    +
    • +
  • +

    Cold Path: Deals with long-term storage, indexing, and batch processing of log data. It allows for historical analysis and trend identification, often used for optimization and capacity planning.

    +
    • +
+

Log Data Storage and Analysis

+
    +
  • +

    Elasticsearch: A distributed, RESTful search and analytics engine for storing, searching, and analyzing log data.

    +
    • +
  • +

    Loki: A horizontally scalable, highly available log aggregation system designed for simplicity and cost-efficiency, providing a streamlined querying and visualization experience in Grafana.

    +
    • +
+

Visualization

+
    +
  • +

    Kibana: A data visualization and exploration tool that integrates with Elasticsearch, providing an intuitive interface for exploring, visualizing, and managing the log data.

    +
    • +
  • +

    Grafana: A powerful visualization for creating dashboards, allowing you to explore and analyze different data sources.

    +
    • +
+

Services

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+ + + + + + + + + + \ No newline at end of file diff --git a/archive/loki/index.html b/archive/loki/index.html new file mode 100644 index 000000000..217a0da5b --- /dev/null +++ b/archive/loki/index.html @@ -0,0 +1,810 @@ + + + + + + + + + + + + + + + + + + + Loki - Oscar's Homelab + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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Loki

+ +

Assume you have the following JSON log data:

+
{
+  "timestamp": "2023-03-23T10:00:00Z",
+  "level": "ERROR",
+  "message": "An error occurred while processing the request",
+  "app": "my-app",
+  "environment": "production",
+  "status_code": 500,
+  "latency": 2.5
+}
+
+

Now, let's explore some LogQL queries using this JSON log example:

+

Log Filtering

+

Filter logs based on labels or search terms.

+
// Show logs with the label app="my-app"
+{app="my-app"}
+
+// Show logs containing the string "error" from the "my-app" app
+{app="my-app"} |= "error"
+
+// Show logs with status_code 500 from the "my-app" app in the "production" environment
+{app="my-app", environment="production"} |= "500"
+
+

Log Parsing

+

Loki supports parsing logs with various parsers. For JSON logs, use the json parser.

+
// Parse JSON log fields
+{app="my-app"} | json
+
+

Log Filtering with Parsed Fields

+

After parsing log lines, you can filter based on the parsed fields.

+
// Filter logs with a specific status code (e.g., 500)
+{app="my-app"} | json | status_code == 500
+
+// Filter logs with latency greater than 1 second
+{app="my-app"} | json | latency > 1s
+
+

Aggregations and Metrics

+

Generate metrics from logs using various aggregation functions.

+
// Calculate the 99th percentile latency for each unique label set in the last 10 minutes
+quantile_over_time(0.99, {app="my-app"} | json | unwrap latency [10m])
+
+// Count log lines with errors per stream over the last 5 minutes
+sum by (app) (count_over_time({app="my-app"} | json | level == "ERROR" [5m]))
+
+// Calculate the average latency for each unique label set in the last 10 minutes
+avg_over_time({app="my-app"} | json | unwrap latency [10m])
+
+ + + + + + + + + + + + + +
+
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+ + + + + + + + + + \ No newline at end of file diff --git a/archive/metrics/index.html b/archive/metrics/index.html new file mode 100644 index 000000000..3001966e2 --- /dev/null +++ b/archive/metrics/index.html @@ -0,0 +1,744 @@ + + + + + + + + + + + + + + + + + + + Ops & Sec Metrics - Oscar's Homelab + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+ + + + Skip to content + + +
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Ops & Sec Metrics

+

Prometheus metrics are collected from Kubernetes clusters and use industry standard tools for analyzing and alerting such as PromQL and Grafana

+

Metrics ecosystem +Source: Prometheus Stack Review

+

Services

+ + + + + + + + + + + + + + +
+
+ + + +
+ + + +
+ + + +
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+ + + + + + + + + + \ No newline at end of file diff --git a/archive/metrics/prometheus/index.html b/archive/metrics/prometheus/index.html new file mode 100644 index 000000000..332ef8cc9 --- /dev/null +++ b/archive/metrics/prometheus/index.html @@ -0,0 +1,1402 @@ + + + + + + + + + + + + + + + + + + + Prometheus - Oscar's Homelab + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+ + + + Skip to content + + +
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Prometheus

+ +

Introduction

+

This document explains the metrics ingestion pipeline in a Kubernetes cluster using the Prometheus Operator and its related custom resources, ServiceMonitors and PodMonitors.

+

Deployment

+

TBD

+

Metrics Ingestion

+

Scrape frequency

+

The default scrape frequency for all default targets and scrapes is 60s

+

Default Targets scraped

+

These jobs involve scraping metrics from the core components of the k3s cluster. There are additional jobs that haven't been listed here, as they aren't deemed critical to the cluster's overall functionality.

+

To retrieve the available jobs in the cluster, you can use the following query:

+
sum by (job) (up)
+
+
    +
  • +

    apiserver ({job="apiserver"})

    +
    • +
  • +

    kube-controller-manager ({job="kube-controller-manager"})

    +
    • +
  • +

    kube-scheduler ({job="kube-scheduler"})

    +
    • +
  • +

    kubelet ({job="kubelet"})

    +
    • +
  • +

    kube-state-metrics ({job="kube-state-metrics"})

    +
    • +
  • +

    coredns ({job="coredns"})

    +
    • +
  • +

    prometheus-alertmanager ({job="prometheus-alertmanager"})

    +
    • +
  • +

    prometheus-operator ({job="prometheus-operator"})

    +
    • +
  • +

    prometheus ({job="prometheus-prometheus"})

    +
    • +
+

Metrics collected from targets

+

The metrics gathered by default from each standard target are listed here, while all other metrics are discarded using relabeling rules. To obtain the metrics from these standard targets, for example, job="kubelet" you can execute the following:

+
group by (__name__) ({job="kubelet"})
+
+
+apiserver (click to expand) +
    +
  • apiserver_admission_controller_admission_duration_seconds_bucket
    • +
  • apiserver_admission_controller_admission_duration_seconds_count
    • +
  • apiserver_admission_controller_admission_duration_seconds_sum
    • +
  • apiserver_admission_step_admission_duration_seconds_bucket
    • +
  • apiserver_admission_step_admission_duration_seconds_count
    • +
  • apiserver_admission_step_admission_duration_seconds_sum
    • +
  • apiserver_admission_step_admission_duration_seconds_summary
    • +
  • apiserver_admission_step_admission_duration_seconds_summary_count
    • +
  • apiserver_admission_step_admission_duration_seconds_summary_sum
    • +
  • apiserver_admission_webhook_admission_duration_seconds_bucket
    • +
  • apiserver_admission_webhook_admission_duration_seconds_count
    • +
  • apiserver_admission_webhook_admission_duration_seconds_sum
    • +
  • apiserver_admission_webhook_fail_open_count
    • +
  • apiserver_admission_webhook_rejection_count
    • +
  • apiserver_admission_webhook_request_total
    • +
  • apiserver_audit_event_total
    • +
  • apiserver_audit_requests_rejected_total
    • +
  • apiserver_current_inflight_requests
    • +
  • apiserver_current_inqueue_requests
    • +
  • apiserver_delegated_authn_request_duration_seconds_bucket
    • +
  • apiserver_delegated_authn_request_duration_seconds_count
    • +
  • apiserver_delegated_authn_request_duration_seconds_sum
    • +
  • apiserver_delegated_authn_request_total
    • +
  • apiserver_delegated_authz_request_duration_seconds_bucket
    • +
  • apiserver_delegated_authz_request_duration_seconds_count
    • +
  • apiserver_delegated_authz_request_duration_seconds_sum
    • +
  • apiserver_delegated_authz_request_total
    • +
  • apiserver_init_events_total
    • +
  • apiserver_longrunning_requests
    • +
  • apiserver_request_aborts_total
    • +
  • apiserver_request_duration_seconds_count
    • +
  • apiserver_request_duration_seconds_sum
    • +
  • apiserver_request_filter_duration_seconds_bucket
    • +
  • apiserver_request_filter_duration_seconds_count
    • +
  • apiserver_request_filter_duration_seconds_sum
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  • apiserver_request_post_timeout_total
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  • apiserver_request_sli_duration_seconds_count
    • +
  • apiserver_request_sli_duration_seconds_sum
    • +
  • apiserver_request_slo_duration_seconds_count
    • +
  • apiserver_request_slo_duration_seconds_sum
    • +
  • apiserver_request_terminations_total
    • +
  • apiserver_request_timestamp_comparison_time_bucket
    • +
  • apiserver_request_timestamp_comparison_time_count
    • +
  • apiserver_request_timestamp_comparison_time_sum
    • +
  • apiserver_request_total
    • +
  • apiserver_requested_deprecated_apis
    • +
  • apiserver_response_sizes_count
    • +
  • apiserver_response_sizes_sum
    • +
  • apiserver_selfrequest_total
    • +
  • apiserver_storage_db_total_size_in_bytes
    • +
  • apiserver_storage_list_evaluated_objects_total
    • +
  • apiserver_storage_list_fetched_objects_total
    • +
  • apiserver_storage_list_returned_objects_total
    • +
  • apiserver_storage_list_total
    • +
  • apiserver_storage_objects
    • +
  • apiserver_tls_handshake_errors_total
    • +
  • apiserver_watch_events_sizes_count
    • +
  • apiserver_watch_events_sizes_sum
    • +
  • apiserver_watch_events_total
    • +
  • count:up
    • +
  • scrape_duration_seconds
    • +
  • scrape_samples_post_metric_relabeling
    • +
  • scrape_samples_scraped
    • +
  • scrape_series_added
    • +
  • up
    • +
+
+
+kube-controller-manager" (click to expand) +
    +
  • apiserver_audit_event_total
    • +
  • apiserver_audit_requests_rejected_total
    • +
  • apiserver_client_certificate_expiration_seconds_bucket
    • +
  • apiserver_client_certificate_expiration_seconds_count
    • +
  • apiserver_client_certificate_expiration_seconds_sum
    • +
  • apiserver_delegated_authn_request_duration_seconds_bucket
    • +
  • apiserver_delegated_authn_request_duration_seconds_count
    • +
  • apiserver_delegated_authn_request_duration_seconds_sum
    • +
  • apiserver_delegated_authn_request_total
    • +
  • apiserver_delegated_authz_request_duration_seconds_bucket
    • +
  • apiserver_delegated_authz_request_duration_seconds_count
    • +
  • apiserver_delegated_authz_request_duration_seconds_sum
    • +
  • apiserver_delegated_authz_request_total
    • +
  • apiserver_envelope_encryption_dek_cache_fill_percent
    • +
  • apiserver_storage_data_key_generation_duration_seconds_bucket
    • +
  • apiserver_storage_data_key_generation_duration_seconds_count
    • +
  • apiserver_storage_data_key_generation_duration_seconds_sum
    • +
  • apiserver_storage_data_key_generation_failures_total
    • +
  • apiserver_storage_db_total_size_in_bytes
    • +
  • apiserver_storage_envelope_transformation_cache_misses_total
    • +
  • apiserver_storage_list_evaluated_objects_total
    • +
  • apiserver_storage_list_fetched_objects_total
    • +
  • apiserver_storage_list_returned_objects_total
    • +
  • apiserver_storage_list_total
    • +
  • apiserver_storage_objects
    • +
  • apiserver_webhooks_x509_insecure_sha_total
    • +
  • apiserver_webhooks_x509_missing_san_total
    • +
  • attachdetach_controller_forced_detaches
    • +
  • attachdetach_controller_total_volumes
    • +
  • authenticated_user_requests
    • +
  • authentication_attempts
    • +
  • authentication_duration_seconds_bucket
    • +
  • authentication_duration_seconds_count
    • +
  • authentication_duration_seconds_sum
    • +
  • authentication_token_cache_active_fetch_count
    • +
  • authentication_token_cache_fetch_total
    • +
  • authentication_token_cache_request_duration_seconds_bucket
    • +
  • authentication_token_cache_request_duration_seconds_count
    • +
  • authentication_token_cache_request_duration_seconds_sum
    • +
  • authentication_token_cache_request_total
    • +
  • count:up
    • +
  • cronjob_controller_job_creation_skew_duration_seconds_bucket
    • +
  • cronjob_controller_job_creation_skew_duration_seconds_count
    • +
  • cronjob_controller_job_creation_skew_duration_seconds_sum
    • +
  • disabled_metric_total
    • +
  • endpoint_slice_controller_changes
    • +
  • endpoint_slice_controller_desired_endpoint_slices
    • +
  • endpoint_slice_controller_endpoints_added_per_sync_bucket
    • +
  • endpoint_slice_controller_endpoints_added_per_sync_count
    • +
  • endpoint_slice_controller_endpoints_added_per_sync_sum
    • +
  • endpoint_slice_controller_endpoints_desired
    • +
  • endpoint_slice_controller_endpoints_removed_per_sync_bucket
    • +
  • endpoint_slice_controller_endpoints_removed_per_sync_count
    • +
  • endpoint_slice_controller_endpoints_removed_per_sync_sum
    • +
  • endpoint_slice_controller_endpointslices_changed_per_sync_bucket
    • +
  • endpoint_slice_controller_endpointslices_changed_per_sync_count
    • +
  • endpoint_slice_controller_endpointslices_changed_per_sync_sum
    • +
  • endpoint_slice_controller_num_endpoint_slices
    • +
  • endpoint_slice_controller_syncs
    • +
  • endpoint_slice_mirroring_controller_addresses_skipped_per_sync_bucket
    • +
  • endpoint_slice_mirroring_controller_addresses_skipped_per_sync_count
    • +
  • endpoint_slice_mirroring_controller_addresses_skipped_per_sync_sum
    • +
  • endpoint_slice_mirroring_controller_changes
    • +
  • endpoint_slice_mirroring_controller_desired_endpoint_slices
    • +
  • endpoint_slice_mirroring_controller_endpoints_added_per_sync_bucket
    • +
  • endpoint_slice_mirroring_controller_endpoints_added_per_sync_count
    • +
  • endpoint_slice_mirroring_controller_endpoints_added_per_sync_sum
    • +
  • endpoint_slice_mirroring_controller_endpoints_desired
    • +
  • endpoint_slice_mirroring_controller_endpoints_removed_per_sync_bucket
    • +
  • endpoint_slice_mirroring_controller_endpoints_removed_per_sync_count
    • +
  • endpoint_slice_mirroring_controller_endpoints_removed_per_sync_sum
    • +
  • endpoint_slice_mirroring_controller_endpoints_sync_duration_bucket
    • +
  • endpoint_slice_mirroring_controller_endpoints_sync_duration_count
    • +
  • endpoint_slice_mirroring_controller_endpoints_sync_duration_sum
    • +
  • endpoint_slice_mirroring_controller_endpoints_updated_per_sync_bucket
    • +
  • endpoint_slice_mirroring_controller_endpoints_updated_per_sync_count
    • +
  • endpoint_slice_mirroring_controller_endpoints_updated_per_sync_sum
    • +
  • endpoint_slice_mirroring_controller_num_endpoint_slices
    • +
  • ephemeral_volume_controller_create_failures_total
    • +
  • ephemeral_volume_controller_create_total
    • +
  • garbagecollector_controller_resources_sync_error_total
    • +
  • go_cgo_go_to_c_calls_calls_total
    • +
  • go_gc_cycles_automatic_gc_cycles_total
    • +
  • go_gc_cycles_forced_gc_cycles_total
    • +
  • go_gc_cycles_total_gc_cycles_total
    • +
  • go_gc_duration_seconds
    • +
  • go_gc_duration_seconds_count
    • +
  • go_gc_duration_seconds_sum
    • +
  • go_gc_heap_allocs_by_size_bytes_bucket
    • +
  • go_gc_heap_allocs_by_size_bytes_count
    • +
  • go_gc_heap_allocs_by_size_bytes_sum
    • +
  • go_gc_heap_allocs_bytes_total
    • +
  • go_gc_heap_allocs_objects_total
    • +
  • go_gc_heap_frees_by_size_bytes_bucket
    • +
  • go_gc_heap_frees_by_size_bytes_count
    • +
  • go_gc_heap_frees_by_size_bytes_sum
    • +
  • go_gc_heap_frees_bytes_total
    • +
  • go_gc_heap_frees_objects_total
    • +
  • go_gc_heap_goal_bytes
    • +
  • go_gc_heap_objects_objects
    • +
  • go_gc_heap_tiny_allocs_objects_total
    • +
  • go_gc_limiter_last_enabled_gc_cycle
    • +
  • go_gc_pauses_seconds_bucket
    • +
  • go_gc_pauses_seconds_count
    • +
  • go_gc_pauses_seconds_sum
    • +
  • go_gc_stack_starting_size_bytes
    • +
  • go_goroutines
    • +
  • go_info
    • +
  • go_memory_classes_heap_free_bytes
    • +
  • go_memory_classes_heap_objects_bytes
    • +
  • go_memory_classes_heap_released_bytes
    • +
  • go_memory_classes_heap_stacks_bytes
    • +
  • go_memory_classes_heap_unused_bytes
    • +
  • go_memory_classes_metadata_mcache_free_bytes
    • +
  • go_memory_classes_metadata_mcache_inuse_bytes
    • +
  • go_memory_classes_metadata_mspan_free_bytes
    • +
  • go_memory_classes_metadata_mspan_inuse_bytes
    • +
  • go_memory_classes_metadata_other_bytes
    • +
  • go_memory_classes_os_stacks_bytes
    • +
  • go_memory_classes_other_bytes
    • +
  • go_memory_classes_profiling_buckets_bytes
    • +
  • go_memory_classes_total_bytes
    • +
  • go_memstats_alloc_bytes
    • +
  • go_memstats_alloc_bytes_total
    • +
  • go_memstats_buck_hash_sys_bytes
    • +
  • go_memstats_frees_total
    • +
  • go_memstats_gc_sys_bytes
    • +
  • go_memstats_heap_alloc_bytes
    • +
  • go_memstats_heap_idle_bytes
    • +
  • go_memstats_heap_inuse_bytes
    • +
  • go_memstats_heap_objects
    • +
  • go_memstats_heap_released_bytes
    • +
  • go_memstats_heap_sys_bytes
    • +
  • go_memstats_last_gc_time_seconds
    • +
  • go_memstats_lookups_total
    • +
  • go_memstats_mallocs_total
    • +
  • go_memstats_mcache_inuse_bytes
    • +
  • go_memstats_mcache_sys_bytes
    • +
  • go_memstats_mspan_inuse_bytes
    • +
  • go_memstats_mspan_sys_bytes
    • +
  • go_memstats_next_gc_bytes
    • +
  • go_memstats_other_sys_bytes
    • +
  • go_memstats_stack_inuse_bytes
    • +
  • go_memstats_stack_sys_bytes
    • +
  • go_memstats_sys_bytes
    • +
  • go_sched_gomaxprocs_threads
    • +
  • go_sched_goroutines_goroutines
    • +
  • go_sched_latencies_seconds_bucket
    • +
  • go_sched_latencies_seconds_count
    • +
  • go_sched_latencies_seconds_sum
    • +
  • go_threads
    • +
  • hidden_metric_total
    • +
  • job_controller_job_pods_finished_total
    • +
  • job_controller_job_sync_duration_seconds_bucket
    • +
  • job_controller_job_sync_duration_seconds_count
    • +
  • job_controller_job_sync_duration_seconds_sum
    • +
  • job_controller_job_syncs_total
    • +
  • job_controller_jobs_finished_total
    • +
  • job_controller_terminated_pods_tracking_finalizer_total
    • +
  • kubernetes_build_info
    • +
  • kubernetes_feature_enabled
    • +
  • node_collector_evictions_total
    • +
  • node_collector_unhealthy_nodes_in_zone
    • +
  • node_collector_zone_health
    • +
  • node_collector_zone_size
    • +
  • node_ipam_controller_cidrset_allocation_tries_per_request_bucket
    • +
  • node_ipam_controller_cidrset_allocation_tries_per_request_count
    • +
  • node_ipam_controller_cidrset_allocation_tries_per_request_sum
    • +
  • node_ipam_controller_cidrset_cidrs_allocations_total
    • +
  • node_ipam_controller_cidrset_usage_cidrs
    • +
  • process_cpu_seconds_total
    • +
  • process_max_fds
    • +
  • process_open_fds
    • +
  • process_resident_memory_bytes
    • +
  • process_start_time_seconds
    • +
  • process_virtual_memory_bytes
    • +
  • process_virtual_memory_max_bytes
    • +
  • pv_collector_bound_pv_count
    • +
  • pv_collector_bound_pvc_count
    • +
  • pv_collector_total_pv_count
    • +
  • registered_metric_total
    • +
  • replicaset_controller_sorting_deletion_age_ratio_bucket
    • +
  • replicaset_controller_sorting_deletion_age_ratio_count
    • +
  • replicaset_controller_sorting_deletion_age_ratio_sum
    • +
  • rest_client_exec_plugin_certificate_rotation_age_bucket
    • +
  • rest_client_exec_plugin_certificate_rotation_age_count
    • +
  • rest_client_exec_plugin_certificate_rotation_age_sum
    • +
  • rest_client_exec_plugin_ttl_seconds
    • +
  • rest_client_rate_limiter_duration_seconds_bucket
    • +
  • rest_client_rate_limiter_duration_seconds_count
    • +
  • rest_client_rate_limiter_duration_seconds_sum
    • +
  • rest_client_request_duration_seconds_count
    • +
  • rest_client_request_duration_seconds_sum
    • +
  • rest_client_request_size_bytes_bucket
    • +
  • rest_client_request_size_bytes_count
    • +
  • rest_client_request_size_bytes_sum
    • +
  • rest_client_requests_total
    • +
  • rest_client_response_size_bytes_bucket
    • +
  • rest_client_response_size_bytes_count
    • +
  • rest_client_response_size_bytes_sum
    • +
  • retroactive_storageclass_errors_total
    • +
  • retroactive_storageclass_total
    • +
  • root_ca_cert_publisher_sync_duration_seconds_bucket
    • +
  • root_ca_cert_publisher_sync_duration_seconds_count
    • +
  • root_ca_cert_publisher_sync_duration_seconds_sum
    • +
  • root_ca_cert_publisher_sync_total
    • +
  • running_managed_controllers
    • +
  • scrape_duration_seconds
    • +
  • scrape_samples_post_metric_relabeling
    • +
  • scrape_samples_scraped
    • +
  • scrape_series_added
    • +
  • storage_count_attachable_volumes_in_use
    • +
  • storage_operation_duration_seconds_bucket
    • +
  • storage_operation_duration_seconds_count
    • +
  • storage_operation_duration_seconds_sum
    • +
  • ttl_after_finished_controller_job_deletion_duration_seconds_bucket
    • +
  • ttl_after_finished_controller_job_deletion_duration_seconds_count
    • +
  • ttl_after_finished_controller_job_deletion_duration_seconds_sum
    • +
  • up
    • +
  • volume_operation_total_seconds_bucket
    • +
  • volume_operation_total_seconds_count
    • +
  • volume_operation_total_seconds_sum
    • +
  • workqueue_adds_total
    • +
  • workqueue_depth
    • +
  • workqueue_longest_running_processor_seconds
    • +
  • workqueue_queue_duration_seconds_bucket
    • +
  • workqueue_queue_duration_seconds_count
    • +
  • workqueue_queue_duration_seconds_sum
    • +
  • workqueue_retries_total
    • +
  • workqueue_unfinished_work_seconds
    • +
  • workqueue_work_duration_seconds_bucket
    • +
  • workqueue_work_duration_seconds_count
    • +
  • workqueue_work_duration_seconds_sum
    • +
+
+
+cAdvisor (click to expand) +
    +
  • container_cpu_cfs_periods_total
    • +
  • container_cpu_cfs_throttled_periods_total
    • +
  • container_cpu_cfs_throttled_seconds_total
    • +
  • container_cpu_usage_seconds_total
    • +
  • container_memory_rss
    • +
  • container_memory_usage_bytes
    • +
  • container_memory_working_set_bytes
    • +
  • container_network_receive_bytes_total
    • +
  • container_network_transmit_bytes_total
    • +
  • container_network_receive_packets_total
    • +
  • container_network_transmit_packets_total
    • +
  • container_network_receive_packets_dropped_total
    • +
  • container_network_transmit_packets_dropped_total
    • +
  • container_oom_events_total
    • +
  • container_fs_reads_total
    • +
  • container_fs_writes_total
    • +
  • container_fs_reads_bytes_total
    • +
  • container_fs_writes_bytes_total
    • +
+

Check the following table in the cAdvisor documentation in case there is any doubt regards the type of the metric, what it is his purpose or the units

+
+
+kubelet (click to expand) +
    +
  • kubelet_node_name
    • +
  • kubelet_running_pods
    • +
  • kubelet_running_pod_count
    • +
  • kubelet_running_sum_containers
    • +
  • kubelet_running_container_count
    • +
  • volume_manager_total_volumes
    • +
  • kubelet_node_config_error
    • +
  • kubelet_runtime_operations_total
    • +
  • kubelet_runtime_operations_errors_total
    • +
  • kubelet_runtime_operations_duration_seconds_bucket
    • +
  • kubelet_runtime_operations_duration_seconds_sum
    • +
  • kubelet_runtime_operations_duration_seconds_count
    • +
  • kubelet_pod_start_duration_seconds_bucket
    • +
  • kubelet_pod_start_duration_seconds_sum
    • +
  • kubelet_pod_start_duration_seconds_count
    • +
  • kubelet_pod_worker_duration_seconds_bucket
    • +
  • kubelet_pod_worker_duration_seconds_sum
    • +
  • kubelet_pod_worker_duration_seconds_count
    • +
  • storage_operation_duration_seconds_bucket
    • +
  • storage_operation_duration_seconds_sum
    • +
  • storage_operation_duration_seconds_count
    • +
  • storage_operation_errors_total
    • +
  • kubelet_cgroup_manager_duration_seconds_bucket
    • +
  • kubelet_cgroup_manager_duration_seconds_sum
    • +
  • kubelet_cgroup_manager_duration_seconds_count
    • +
  • kubelet_pleg_relist_interval_seconds_bucket
    • +
  • kubelet_pleg_relist_interval_seconds_count
    • +
  • kubelet_pleg_relist_interval_seconds_sum
    • +
  • kubelet_pleg_relist_duration_seconds_bucket
    • +
  • kubelet_pleg_relist_duration_seconds_count
    • +
  • kubelet_pleg_relist_duration_seconds_sum
    • +
  • rest_client_requests_total
    • +
  • rest_client_request_duration_seconds_bucket
    • +
  • rest_client_request_duration_seconds_sum
    • +
  • rest_client_request_duration_seconds_count
    • +
  • process_resident_memory_bytes
    • +
  • process_cpu_seconds_total
    • +
  • go_goroutines
    • +
  • kubernetes_build_info
    • +
+
+
+node-exporter +
    +
  • node_memory_MemTotal_bytes
    • +
  • node_cpu_seconds_total
    • +
  • node_memory_MemAvailable_bytes
    • +
  • node_memory_Buffers_bytes
    • +
  • node_memory_Cached_bytes
    • +
  • node_memory_MemFree_bytes
    • +
  • node_memory_Slab_bytes
    • +
  • node_filesystem_avail_bytes
    • +
  • node_filesystem_size_bytes
    • +
  • node_time_seconds
    • +
  • node_exporter_build_info
    • +
  • node_load1
    • +
  • node_vmstat_pgmajfault
    • +
  • node_network_receive_bytes_total
    • +
  • node_network_transmit_bytes_total
    • +
  • node_network_receive_drop_total
    • +
  • node_network_transmit_drop_total
    • +
  • node_disk_io_time_seconds_total
    • +
  • node_disk_io_time_weighted_seconds_total
    • +
  • node_load5
    • +
  • node_load15
    • +
  • node_disk_read_bytes_total
    • +
  • node_disk_written_bytes_total
    • +
  • node_uname_info
    • +
+

Check the following documentation of prometheus node exporter in splunk

+
+
+kube-state-metrics +
    +
  • kube_pod_owner
    • +
  • kube_pod_container_resource_requests
    • +
  • kube_pod_status_phase
    • +
  • kube_pod_container_resource_limits
    • +
  • kube_pod_info
    • +
  • kube_pod_labels
    • +
  • kube_pod_container_info
    • +
  • kube_pod_container_status_waiting
    • +
  • kube_pod_container_status_waiting_reason
    • +
  • kube_pod_container_status_running
    • +
  • kube_pod_container_status_terminated
    • +
  • kube_pod_container_status_terminated_reason
    • +
  • kube_pod_container_status_restarts_total
    • +
  • kube_replicaset_owner
    • +
  • kube_resourcequota
    • +
  • kube_namespace_created
    • +
  • kube_namespace_status_phase
    • +
  • kube_node_spec_unschedulable
    • +
  • kube_node_status_allocatable
    • +
  • kube_node_status_capacity
    • +
  • kube_node_info
    • +
  • kube_node_status_condition
    • +
  • kube_node_spec_taint
    • +
  • kube_daemonset_created
    • +
  • kube_daemonset_status_current_number_scheduled
    • +
  • kube_daemonset_status_desired_number_scheduled
    • +
  • kube_daemonset_status_number_available
    • +
  • kube_daemonset_status_number_ready
    • +
  • kube_daemonset_status_number_unavailable
    • +
  • kube_daemonset_labels
    • +
  • kube_deployment_labels
    • +
  • kube_deployment_spec_replicas
    • +
  • kube_deployment_status_replicas_available
    • +
  • kube_deployment_status_replicas_unavailable
    • +
  • kube_deployment_status_replicas_updated
    • +
  • kube_statefulset_labels
    • +
  • kube_statefulset_status_replicas_available
    • +
  • kube_statefulset_status_replicas
    • +
  • kube_statefulset_status_replicas_current
    • +
  • kube_job_status_start_time
    • +
  • kube_job_status_active
    • +
  • kube_job_failed
    • +
  • kube_horizontalpodautoscaler_status_desired_replicas
    • +
  • kube_horizontalpodautoscaler_status_current_replicas
    • +
  • kube_horizontalpodautoscaler_spec_min_replicas
    • +
  • kube_horizontalpodautoscaler_spec_max_replicas
    • +
  • kubernetes_build_info
    • +
+
+

k3s services monitoring

+

The kubernetes Documentation on System Metrics outlines the components that expose metrics in Prometheus format:

+
    +
  • kube-controller-manager (TCP 10257 metrics endpoint)
    • +
  • kube-proxy (TCP 10249 /metrics endpoint)
    • +
  • kube-apiserver (TCP 6443 /metrics at Kubernetes API port)
    • +
  • kube-scheduler (TCP 10259 /metrics endpoint)
    • +
  • kubelet (TCP 10250 /metrics, /metrics/cadvisor, /metrics/resource, and /metrics/probes endpoints)
    • +
+
+

Info

+

TCP port numbers for kube-scheduler and kube-controller-manager changed in Kubernetes release 1.22 (from 10251/10252 to 10257/10259). Additionally, an HTTPS authenticated connection is now required, so a Kubernetes authorized service account is needed to access the metrics service. Only the kube-proxy endpoint still uses HTTP; the rest now use HTTPS.

+
+
+

Tip

+

By default, K3S components (Scheduler, Controller Manager, and Proxy) do not expose their endpoints for metric collection. Their /metrics endpoints are bound to 127.0.0.1, only exposing them to localhost and preventing remote queries. To change this behavior, provide the following K3S installation arguments:

+
--kube-controller-manager-arg 'bind-address=0.0.0.0'
+--kube-proxy-arg 'metrics-bind-address=0.0.0.0'
+--kube-scheduler-arg 'bind-address=0.0.0.0'
+
+
+

kube-prometheus-stack creates the kubernetes resources needed to scrape metrics from all k8S components in a standard Kubernetes distribution, but these objects are not valid for a K3S cluster. K3S has a unique behavior related to metrics exposure. It deploys one process on each cluster node: k3s-server on master nodes or k3s-agent on worker nodes.

+

All Kubernetes components running on a node share the same memory, and k3s emits the same metrics at all /metrics endpoints available on a node: api-server, kubelet (TCP 10250), kube-proxy (TCP 10249), kube-scheduler (TCP 10251), and kube-controller-manager (TCP 10257). When polling a Kubernetes component's metrics endpoint, metrics from other components are not filtered out.

+

A k3s master running all Kubernetes components, emits the same metrics on all ports. On the other hand, k3s workers running only kubelet and kube-proxy, emit the same metrics on TCP 10250 and 10249 ports.

+

Enabling scraping of all different metrics TCP ports (10249, 10250, 10251, 10257, and apiserver) causes ingestion of duplicate metrics. To reduce memory and CPU consumption, Prometheus should avoid duplicate metrics. On the other hand, kubelet's additional metrics endpoints (/metrics/cadvisor, /metrics/resource, and /metrics/probes) are only available at TCP 10250.

+

Therefore, the solution is to scrape only the metrics endpoints available on the kubelet port (TCP 10250): /metrics, /metrics/cadvisor, /metrics/resource, and /metrics/probes.

+

To avoid duplicates, reduce memory consumption and minimize costs the following configuration are applied:

+ +

Monitoring

+

Alerting

+

References

+ + + + + + + + + + + + + + + + + +
+
+ + + +
+ + + +
+ + + +
+
+
+
+ + + + + + + + + + \ No newline at end of file diff --git a/archive/networking/index.html b/archive/networking/index.html new file mode 100644 index 000000000..e3d45b47f --- /dev/null +++ b/archive/networking/index.html @@ -0,0 +1,854 @@ + + + + + + + + + + + + + + + + + + + Networking - Oscar's Homelab + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+ + + + Skip to content + + +
+
+ +
+ + + + + + +
+ + +
+ +
+ + + + + + +
+
+ + + +
+
+
+ + + + + +
+
+
+ + + +
+
+
+ + + +
+
+
+ + + +
+
+ + + + +

Networking

+ +
+

Tip

+

If you have any doubts, please refer to the template's documentation. Some sections may have been replicated

+
+

Global Cloudflare API Key

+

In order to use Terraform and cert-manager with the Cloudflare DNS challenge you will need to create a API key.

+
    +
  1. +

    Head over to Cloudflare and create a API key by going here.

    +
    2. +
  2. +

    Under the API Keys section, create a global API Key.

    +
    3. +
  3. +

    Use the API Key in the appropriate variable in configuration section below.

    +
    4. +
+

You may wish to update this later on to a Cloudflare API Token which can be scoped to certain resources. I do not recommend using a Cloudflare API Key, however for the purposes of this template it is easier getting started without having to define which scopes and resources are needed. For more information see the Cloudflare docs on API Keys and Tokens.

+

Configuring Cloudflare DNS with Terraform

+

Review the Terraform scripts under ./terraform/cloudflare/ and make sure you understand what it's doing (no really review it).

+

If your domain already has existing DNS records be sure to export those DNS settings before you continue.

+
    +
  1. +

    Pull in the Terraform deps

    +
    task terraform:init
+
    +
    2. +
  2. +

    Review the changes Terraform will make to your Cloudflare domain

    +
    task terraform:plan
+
    +
    3. +
  3. +

    Have Terraform apply your Cloudflare settings

    +
    task terraform:apply
+
    +
    4. +
+

If Terraform was ran successfully you can log into Cloudflare and validate the DNS records are present.

+

The cluster application external-dns will be managing the rest of the DNS records you will need.

+

DNS

+

The external-dns application created in the networking namespace will handle creating public DNS records. By default, echo-server and the flux-webhook are the only public domain exposed on your Cloudflare domain. In order to make additional applications public you must set an ingress annotation (external-dns.alpha.kubernetes.io/target) like done in the HelmRelease for echo-server. You do not need to use Terraform to create additional DNS records unless you need a record outside the purposes of your Kubernetes cluster (e.g. setting up MX records).

+

k8s_gateway is deployed on the IP choosen for ${BOOTSTRAP_METALLB_K8S_GATEWAY_ADDR}. Inorder to test DNS you can point your clients DNS to the ${BOOTSTRAP_METALLB_K8S_GATEWAY_ADDR} IP address and load https://hajimari.${BOOTSTRAP_CLOUDFLARE_DOMAIN} in your browser.

+

You can also try debugging with the command dig, e.g. dig @${BOOTSTRAP_METALLB_K8S_GATEWAY_ADDR} hajimari.${BOOTSTRAP_CLOUDFLARE_DOMAIN} and you should get a valid answer containing your ${BOOTSTRAP_METALLB_INGRESS_ADDR} IP address.

+

If your router (or Pi-Hole, Adguard Home or whatever) supports conditional DNS forwarding (also know as split-horizon DNS) you may have DNS requests for ${SECRET_DOMAIN} only point to the ${BOOTSTRAP_METALLB_K8S_GATEWAY_ADDR} IP address. This will ensure only DNS requests for ${SECRET_DOMAIN} will only get routed to your k8s_gateway service thus providing DNS resolution to your cluster applications/ingresses.

+

To access services from the outside world port forwarded 80 and 443 in your router to the ${BOOTSTRAP_METALLB_INGRESS_ADDR} IP, in a few moments head over to your browser and you should be able to access https://echo-server.${BOOTSTRAP_CLOUDFLARE_DOMAIN} from a device outside your LAN.

+

To avoid directly exposing the local cluster, Cloudflare tunnels can be used across the wide area network (WAN). The Cloudflare Operator is employed to establish these tunnels and create Cloudflare DNS entries for services you want to make publicly accessible. Cloudflare serves as a proxy to conceal your home's WAN IP address and functions as a firewall. When you are not connected to your home network, all incoming traffic to your cluster is routed through a Cloudflare tunnel.

+
+

Warning

+

If you want to follow the cloudflare tunnel approach disable external-dns and cloudflare-ddns components in the kustomization file in the networking namespace.

+
+

Cloudflare Operator

+

Follow the getting started guide to use cloudflare operator.

+
+

Warning

+

Notice that ExternalSecrets will try to pull the following secrets from Doppler.

+
# kubernetes/apps/networking/cloudflare-operator/app/externalsecrets.yaml
+apiVersion: external-secrets.io/v1beta1
+kind: ExternalSecret
+metadata:
+  name: cloudflare-operator
+  namespace: cloudflare-operator-system
+spec:
+  secretStoreRef:
+    kind: ClusterSecretStore
+    name: cloudflare-operator-cluster-secret-store
+  target:
+    name: cloudflare-operator-secret
+    creationPolicy: Owner
+    template:
+      engineVersion: v2
+      data:
+        CLOUDFLARE_API_TOKEN: "{{ .CLOUDFLARE_TOKEN }}"
+        CLOUDFLARE_API_KEY: "{{ .CLOUDFLARE_APIKEY }}"
+
+  data:
+    - secretKey: CLOUDFLARE_TOKEN
+      remoteRef:
+        key: CLOUDFLARE_TOKEN
+
+  - secretKey: CLOUDFLARE_APIKEY
+    remoteRef:
+      key: CLOUDFLARE_APIKEY
+
+
+ + + + + + + + + + + + + +
+
+ + + +
+ + + +
+ + + +
+
+
+
+ + + + + + + + + + \ No newline at end of file diff --git a/archive/prometheus/index.html b/archive/prometheus/index.html new file mode 100644 index 000000000..8b83b2c26 --- /dev/null +++ b/archive/prometheus/index.html @@ -0,0 +1,880 @@ + + + + + + + + + + + + + + + + + + + Prometheus - Oscar's Homelab + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+ + + + Skip to content + + +
+
+ +
+ + + + + + +
+ + +
+ +
+ + + + + + +
+
+ + + +
+
+
+ + + + + +
+
+
+ + + +
+
+
+ + + +
+
+
+ + + +
+
+ + + + +

Prometheus

+ +

Service Monitoring

+

Service Monitor

+ +
group by (scrape_job) ({scrape_job!=""})
+
+

Examples

+
+The service and service monitor are both in the default namespace (click to expand) +
  ---
+  apiVersion: v1
+  kind: Service
+  metadata:
+    name: my-service
+    namespace: default
+    labels:
+      app: my-app
+
+  ---
+  apiVersion: monitoring.coreos.com/v1
+  kind: ServiceMonitor
+  metadata:
+    name: my-service-monitor
+    namespace: default
+    labels:
+      app: my-app
+  spec:
+    selector:
+      matchLabels:
+        app: my-app
+    endpoints:
+    - path: /metrics
+
+
+
+The service is in the production namespace and service monitor is in monitoring namespace (click to expand) +
---
+apiVersion: v1
+kind: Service
+metadata:
+  name: my-service
+  namespace: production
+  labels:
+    app: my-app
+
+---
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  name: my-service-monitor
+  namespace: monitoring
+  labels:
+    app: my-app
+spec:
+  namespaceSelector:
+    matchNames:
+      - production
+  selector:
+    matchLabels:
+      app: my-app
+  endpoints:
+  - path: /metrics
+
+

And here is an example of how to use a label selector that matches the labels on the service across all namespaces:

+
apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  name: my-service-monitor
+  namespace: monitoring
+  labels:
+    app: my-app
+spec:
+  selector:
+    matchLabels:
+      app: my-app
+  endpoints:
+  - path: /metrics
+  namespaceSelector:
+    any: true
+
+
+

Pod Monitor

+ +

Exporters and integrations

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+ + + + + + + + + + \ No newline at end of file diff --git a/archive/secret-management/index.html b/archive/secret-management/index.html new file mode 100644 index 000000000..9e7308525 --- /dev/null +++ b/archive/secret-management/index.html @@ -0,0 +1,1151 @@ + + + + + + + + + + + + + + + + + + + Secret management - Oscar's Homelab + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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Secret management

+ +

Introduction

+

When deploying applications in a cluster, it is essential to manage secrets (API keys, passwords, tokens, etc.) securely. This ensures that sensitive data is protected from unauthorized access and minimizes the potential for security breaches.

+

Challenges of Secret Management

+

There are several challenges associated with secret management in a clustered environment:

+
    +
  • +

    Security: Storing sensitive data in plaintext or hardcoding it within applications can lead to security vulnerabilities.

    +
    • +
  • +

    Scalability: As the number of services and applications increases, managing secrets becomes complex.

    +
    • +
  • +

    Versioning and Synchronization: Ensuring that secrets are updated and synchronized across all instances of a service can be difficult.

    +
    • +
+

What is the External Secrets resource?

+

The External Secrets Operator provides the translation layer between Kubernetes native secrets and external secrets. By utilizing external secrets, applications can easily retrieve the required secrets without exposing them in plaintext or hardcoding them within the application

+

What about Doppler?

+

Doppler provides an easy-to-use interface and API for managing secrets, and supports a wide range of integrations with different platforms.

+

By using Doppler as the centralized secrets provider, you can store and manage secrets in one place, while allowing applications to securely access them through the External Secrets API.

+

Set Up Doppler

+
    +
  1. Sign up for a Doppler account at https://dashboard.doppler.com/signup
    2. +
  2. +

    Follow the documentation for the doppler provider until "Use Cases". The Service Token is located under the kube-system/external-secrets/stores/doppler. Instead of using a SecretStore a ClusterSecretStore is used because we want to retrieve secrets from all namespaces.

    +
    3. +
  3. +

    doppler_cluster_store.yaml: Defines a ClusterSecretStore. A ClusterSecretStore is a custom resource provided by the External Secrets Manager that defines the connection and authentication information needed to access an external secret management system i.e, Doppler API in this case. This resource acts as a centralized reference for other resources within the Kubernetes cluster when they need to access the secrets stored in the external system.

    +
    apiVersion: external-secrets.io/v1beta1
+kind: SecretStore
+metadata:
+  name: doppler-auth-api
+spec:
+  provider:
+    doppler:
+      auth:
+        secretRef:
+          dopplerToken:
+            name: doppler-token-auth-api
+            key: dopplerToken
+
    +
    4. +
  4. +

    secret.sops.yaml: The authentication credentials in plain yaml. The contents of the file are similar to :

    +
    apiVersion: v1
+data:
+    dopplerToken: aG91c2Uud29ybGR4eHp3NkZBRzQ2Q3RIN1dXQUlKbTlJZTZOa05Jd1BzV1lqZjNzZ0JKc3oK
+kind: Secret
+metadata:
+    name: doppler-token-auth-api
+
    +
    5. +
  5. +

    test.yaml: Secret to test that the configuration has been done correctly.

    +
    6. +
  6. +

    Create a new project and configure your secrets

    +
    7. +
+

Secret Configuration

+

ClusterSecretStore vs SecretStore

+

There are two types of secret stores provided by the External Secrets Manager:

+
    +
  • ClusterSecretStore: A cluster-wide secret store that can be referenced by ExternalSecret resources across all namespaces in the cluster.
    • +
  • SecretStore: A namespace-scoped secret store that can only be referenced by ExternalSecret resources within the same namespace.
    • +
+

ClusterSecretStore

+

A ClusterSecretStore is suitable for scenarios where a single external secret provider (such as Doppler) is used by multiple applications or services in different namespaces. It provides centralized configuration, consistency, reduced duplication, and access control.

+

Example

+
apiVersion: external-secrets.io/v1beta1
+kind: ClusterSecretStore
+metadata:
+  name: doppler-cluster-wide-secret-store
+spec:
+  provider:
+    doppler:
+      auth:
+        secretRef:
+          dopplerToken:
+            name: doppler-token
+            key: dopplerToken
+            namespace: kube-system
+
+

SecretStore

+

A SecretStore is suitable for scenarios where different namespaces need to use different external secret providers or configurations. It provides more granular control over secret provider configurations within each namespace.

+

Example

+
apiVersion: external-secrets.io/v1beta1
+kind: SecretStore
+metadata:
+  name: doppler-namespace-scoped-secret-store
+  namespace: my-namespace
+spec:
+  provider:
+    doppler:
+      auth:
+        secretRef:
+          dopplerToken:
+            name: doppler-token
+            key: dopplerToken
+
+

Secret Example

+
---
+apiVersion: external-secrets.io/v1beta1
+kind: ExternalSecret
+metadata:
+  name: auth-api-elasticsearch-ingestion-credentials
+spec:
+  secretStoreRef:
+    kind: ClusterSecretStore
+    name: doppler-auth-api
+  target:
+    name: es-ingestion-credentials
+
+  data:
+    - secretKey: ELASTICSEARCH__PASSWORD
+      remoteRef:
+        key: ELASTICSEARCH__PASSWORD
+
+    - secretKey: ELASTICSEARCH__NAME
+      remoteRef:
+        key: ELASTICSEARCH__NAME
+
+

Secret Variations with Flux

+

Create the Secret

+
    +
  1. Create in Doppler the AWESOME_SECRET variable with the desired value
    2. +
  2. Create an external secret resource
    3. +
+
---
+apiVersion: external-secrets.io/v1beta1
+kind: ExternalSecret
+metadata:
+  name: auth-api-elasticsearch-ingestion-credentials
+spec:
+  secretStoreRef:
+    kind: ClusterSecretStore
+    name: doppler-auth-api
+  target:
+    name: application-secret
+
+  data:
+    - secretKey: AWESOME_SECRET
+      remoteRef:
+        key: AWESOME_SECRET
+
+

Method 1: envFrom

+

Use envFrom in a deployment or a Helm chart that supports the setting, this will pass all secret items from the secret into the containers environment.

+
envFrom:
+  - secretRef:
+      name: application-secret
+
+

Add an example

+

Method 2: env.valueFrom

+

Similar to the above but it's possible with env to pick an item from a secret.

+
env:
+  - name: WAY_COOLER_ENV_VARIABLE
+    valueFrom:
+      secretKeyRef:
+        name: application-secret
+        key: AWESOME_SECRET
+
+

Add an example

+

Method 3: spec.valuesFrom

+

The Flux HelmRelease option valuesFrom can inject a secret item into the Helm values of a HelmRelease + * _Does not work with merging array values + * _Care needed with keys that contain dot notation in the name

+
valuesFrom:
+  - targetPath: config."admin\.password"
+    kind: Secret
+    name: application-secret
+    valuesKey: AWESOME_SECRET
+
+

Add an example

+

Method 4: Variable Substitution with Flux

+

Flux variable substitution can inject secrets into any YAML manifest. This requires the Flux Kustomization configured to enable variable substitution. Correctly configured this allows you to use ${GLOBAL_AWESOME_SECRET} in any YAML manifest.

+
apiVersion: v1
+kind: Secret
+metadata:
+  name: cluster-secrets
+  namespace: flux-system
+stringData:
+  GLOBAL_AWESOME_SECRET: "GLOBAL SUPER SECRET VALUE"
+
+
apiVersion: kustomize.toolkit.fluxcd.io/v1beta2
+kind: Kustomization
+# ...
+spec:
+# ...
+  decryption:
+    provider: sops
+    secretRef:
+      name: sops-age
+  postBuild:
+    substituteFrom:
+      - kind: Secret
+        name: cluster-secrets
+
+

Add an example

+
    +
  • +

    For the first three methods consider using a tool like stakater/reloader to restart the pod when the secret changes.

    +
    • +
  • +

    Using reloader on a pod using a secret provided by Flux Variable Substitution will lead to pods being restarted during any change to the secret while related to the pod or not.

    +
    • +
  • +

    The last method should be used when all other methods are not an option, or used when you have a “global” secret used by a bunch of YAML manifests.

    +
    • +
+

Install Doppler CLI

+

Follow the installation instructions for your operating system at https://docs.doppler.com/docs/enclave-installation

+

List of secrets

+
$ doppler secrets --only-names
+
+ + + + + + + + + + + + + +
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+ + + + + + + + + + \ No newline at end of file diff --git a/archive/semantic_git_messages/index.html b/archive/semantic_git_messages/index.html new file mode 100644 index 000000000..8fca38051 --- /dev/null +++ b/archive/semantic_git_messages/index.html @@ -0,0 +1,783 @@ + + + + + + + + + + + + + + + + + + + Semmantic Commits - Oscar's Homelab + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+ + + + Skip to content + + +
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Semmantic Commits

+ +

Overview

+

In this repo, I've tried to use semantic commit messages to make changes more descriptive and clear. This helps with readability and tracking changes, even in personal projects.

+

A good commit message format follows the pattern: <type>(<scope>): <description>

+

Example

+
feat: add hat wobble
+^--^  ^------------^
+|     |
+|     +-> Summary in present tense.
+|
++-------> Type: chore, docs, feat, fix, refactor, style, or test.
+
+

More examples

+
    +
  • fix(auth): resolve incorrect password validation
    • +
  • docs: add installation guide to README
    • +
  • feat: add search feature
    • +
  • refactor: improve UserService API calls
    • +
  • test: create user registration tests
    • +
+

Key points for a good commit message:

+
    +
  1. Use a clear and concise <description> that summarizes the change.
    2. +
  2. Use the imperative mood for <description> (e.g., "resolve" instead of "resolved").
    3. +
  3. Limit the <description> line to 72 characters or fewer.
    4. +
  4. <type> should be one of the following: fix, feat, docs, style, refactor, test, chore, ci, build, perf.
    5. +
  5. Optionally, include a <scope> to provide more context about the affected part of the codebase.
    6. +
  6. If the commit closes an issue, include "Closes #issue-number" in the description.
    7. +
+

Check out these resources:

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+ + + + + + + + + + \ No newline at end of file diff --git a/archive/troubleshooting/index.html b/archive/troubleshooting/index.html new file mode 100644 index 000000000..79b978e06 --- /dev/null +++ b/archive/troubleshooting/index.html @@ -0,0 +1,769 @@ + + + + + + + + + + + + + + + + + + + Troubleshooting - Oscar's Homelab + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+ + + + Skip to content + + +
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Troubleshooting

+

Force Reconcile

+
flux reconcile -n flux-system source git flux-cluster
+flux reconcile -n flux-system kustomization flux-cluster
+
+

Troubleshooting volume with multipath

+

Issue: If you are getting pods that will not start due to timeout issues. You may also see the share-manager-pvc-xxx pods crashing and restarting over and over again. If this is your issue(s), look into this first.

+ +

Renaming Network Interface

+

Issue: If your network interface does not match your other nodes, you can change it. This is useful if you are using Ansible and expect all network interfaces to be the same.

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+ + + + + + + + + + \ No newline at end of file diff --git a/archive/volumes-and-storage/index.html b/archive/volumes-and-storage/index.html new file mode 100644 index 000000000..c95896c8a --- /dev/null +++ b/archive/volumes-and-storage/index.html @@ -0,0 +1,750 @@ + + + + + + + + + + + + + + + + + + + Volumes and Storage - Oscar's Homelab + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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Volumes and Storage

+ +

To ensure that your application's data is not lost, you will need to establish persistent storage when deploying it. By utilizing persistent storage, you can store the application data externally from the pod that runs the application. This storage approach allows you to retain the application data, even if the pod that the application runs on fails.

+

In Kubernetes, a persistent volume (PV) is a storage unit within the cluster, while a persistent volume claim (PVC) is a request for storage. To learn more about the functionality of PVs and PVCs, you can consult the official Kubernetes documentation on storage.

+

This page provides instructions on how to configure persistent storage using either a local storage provider or Longhorn.

+

Databases

+
GRANT linkding TO admin;
+GRANT linkding TO postgres;
+SELECT rolname FROM pg_roles;
+SELECT usename FROM pg_user;
+postgres=> GRANT gitea TO postgres;
+GRANT <ROLE> TO <USER>
+
+ + + + + + + + + + + + + + + + +
+
+ + + +
+ + + +
+ + + +
+
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+ + + + + + + + + + \ No newline at end of file diff --git a/assets/images/favicon.png b/assets/images/favicon.png new file mode 100644 index 000000000..1cf13b9f9 Binary files /dev/null and b/assets/images/favicon.png differ diff --git a/assets/javascripts/bundle.ebd0bdb7.min.js b/assets/javascripts/bundle.ebd0bdb7.min.js new file mode 100644 index 000000000..f6e2dc69b --- /dev/null +++ b/assets/javascripts/bundle.ebd0bdb7.min.js @@ -0,0 +1,29 @@ +"use strict";(()=>{var Fi=Object.create;var gr=Object.defineProperty;var ji=Object.getOwnPropertyDescriptor;var Wi=Object.getOwnPropertyNames,Dt=Object.getOwnPropertySymbols,Ui=Object.getPrototypeOf,xr=Object.prototype.hasOwnProperty,no=Object.prototype.propertyIsEnumerable;var oo=(e,t,r)=>t in e?gr(e,t,{enumerable:!0,configurable:!0,writable:!0,value:r}):e[t]=r,R=(e,t)=>{for(var r in t||(t={}))xr.call(t,r)&&oo(e,r,t[r]);if(Dt)for(var r of Dt(t))no.call(t,r)&&oo(e,r,t[r]);return e};var io=(e,t)=>{var r={};for(var o in e)xr.call(e,o)&&t.indexOf(o)<0&&(r[o]=e[o]);if(e!=null&&Dt)for(var o of Dt(e))t.indexOf(o)<0&&no.call(e,o)&&(r[o]=e[o]);return r};var yr=(e,t)=>()=>(t||e((t={exports:{}}).exports,t),t.exports);var Di=(e,t,r,o)=>{if(t&&typeof t=="object"||typeof t=="function")for(let n of Wi(t))!xr.call(e,n)&&n!==r&&gr(e,n,{get:()=>t[n],enumerable:!(o=ji(t,n))||o.enumerable});return e};var Vt=(e,t,r)=>(r=e!=null?Fi(Ui(e)):{},Di(t||!e||!e.__esModule?gr(r,"default",{value:e,enumerable:!0}):r,e));var ao=(e,t,r)=>new Promise((o,n)=>{var i=p=>{try{s(r.next(p))}catch(c){n(c)}},a=p=>{try{s(r.throw(p))}catch(c){n(c)}},s=p=>p.done?o(p.value):Promise.resolve(p.value).then(i,a);s((r=r.apply(e,t)).next())});var co=yr((Er,so)=>{(function(e,t){typeof Er=="object"&&typeof so!="undefined"?t():typeof define=="function"&&define.amd?define(t):t()})(Er,function(){"use strict";function e(r){var o=!0,n=!1,i=null,a={text:!0,search:!0,url:!0,tel:!0,email:!0,password:!0,number:!0,date:!0,month:!0,week:!0,time:!0,datetime:!0,"datetime-local":!0};function s(H){return!!(H&&H!==document&&H.nodeName!=="HTML"&&H.nodeName!=="BODY"&&"classList"in H&&"contains"in H.classList)}function p(H){var mt=H.type,ze=H.tagName;return!!(ze==="INPUT"&&a[mt]&&!H.readOnly||ze==="TEXTAREA"&&!H.readOnly||H.isContentEditable)}function c(H){H.classList.contains("focus-visible")||(H.classList.add("focus-visible"),H.setAttribute("data-focus-visible-added",""))}function l(H){H.hasAttribute("data-focus-visible-added")&&(H.classList.remove("focus-visible"),H.removeAttribute("data-focus-visible-added"))}function f(H){H.metaKey||H.altKey||H.ctrlKey||(s(r.activeElement)&&c(r.activeElement),o=!0)}function u(H){o=!1}function h(H){s(H.target)&&(o||p(H.target))&&c(H.target)}function w(H){s(H.target)&&(H.target.classList.contains("focus-visible")||H.target.hasAttribute("data-focus-visible-added"))&&(n=!0,window.clearTimeout(i),i=window.setTimeout(function(){n=!1},100),l(H.target))}function A(H){document.visibilityState==="hidden"&&(n&&(o=!0),te())}function te(){document.addEventListener("mousemove",J),document.addEventListener("mousedown",J),document.addEventListener("mouseup",J),document.addEventListener("pointermove",J),document.addEventListener("pointerdown",J),document.addEventListener("pointerup",J),document.addEventListener("touchmove",J),document.addEventListener("touchstart",J),document.addEventListener("touchend",J)}function ie(){document.removeEventListener("mousemove",J),document.removeEventListener("mousedown",J),document.removeEventListener("mouseup",J),document.removeEventListener("pointermove",J),document.removeEventListener("pointerdown",J),document.removeEventListener("pointerup",J),document.removeEventListener("touchmove",J),document.removeEventListener("touchstart",J),document.removeEventListener("touchend",J)}function J(H){H.target.nodeName&&H.target.nodeName.toLowerCase()==="html"||(o=!1,ie())}document.addEventListener("keydown",f,!0),document.addEventListener("mousedown",u,!0),document.addEventListener("pointerdown",u,!0),document.addEventListener("touchstart",u,!0),document.addEventListener("visibilitychange",A,!0),te(),r.addEventListener("focus",h,!0),r.addEventListener("blur",w,!0),r.nodeType===Node.DOCUMENT_FRAGMENT_NODE&&r.host?r.host.setAttribute("data-js-focus-visible",""):r.nodeType===Node.DOCUMENT_NODE&&(document.documentElement.classList.add("js-focus-visible"),document.documentElement.setAttribute("data-js-focus-visible",""))}if(typeof window!="undefined"&&typeof document!="undefined"){window.applyFocusVisiblePolyfill=e;var t;try{t=new CustomEvent("focus-visible-polyfill-ready")}catch(r){t=document.createEvent("CustomEvent"),t.initCustomEvent("focus-visible-polyfill-ready",!1,!1,{})}window.dispatchEvent(t)}typeof document!="undefined"&&e(document)})});var Yr=yr((Rt,Kr)=>{/*! 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.state-title{fill:var(--md-mermaid-label-fg-color)!important;font-family:var(--md-mermaid-font-family)}g.stateGroup .composit{fill:var(--md-mermaid-label-bg-color)}.nodeLabel,.nodeLabel p{color:var(--md-mermaid-label-fg-color);font-family:var(--md-mermaid-font-family)}a .nodeLabel{text-decoration:underline}.node circle.state-end,.node circle.state-start,.start-state{fill:var(--md-mermaid-edge-color);stroke:none}.end-state-inner,.end-state-outer{fill:var(--md-mermaid-edge-color)}.end-state-inner,.node circle.state-end{stroke:var(--md-mermaid-label-bg-color)}.transition{stroke:var(--md-mermaid-edge-color)}[id^=state-fork] rect,[id^=state-join] rect{fill:var(--md-mermaid-edge-color)!important;stroke:none!important}.statediagram-cluster.statediagram-cluster .inner{fill:var(--md-default-bg-color)}.statediagram-cluster rect{fill:var(--md-mermaid-node-bg-color);stroke:var(--md-mermaid-node-fg-color)}.statediagram-state rect.divider{fill:var(--md-default-fg-color--lightest);stroke:var(--md-default-fg-color--lighter)}defs #statediagram-barbEnd{stroke:var(--md-mermaid-edge-color)}.attributeBoxEven,.attributeBoxOdd{fill:var(--md-mermaid-node-bg-color);stroke:var(--md-mermaid-node-fg-color)}.entityBox{fill:var(--md-mermaid-label-bg-color);stroke:var(--md-mermaid-node-fg-color)}.entityLabel{fill:var(--md-mermaid-label-fg-color);font-family:var(--md-mermaid-font-family)}.relationshipLabelBox{fill:var(--md-mermaid-label-bg-color);fill-opacity:1;background-color:var(--md-mermaid-label-bg-color);opacity:1}.relationshipLabel{fill:var(--md-mermaid-label-fg-color)}.relationshipLine{stroke:var(--md-mermaid-edge-color)}defs #ONE_OR_MORE_END *,defs #ONE_OR_MORE_START *,defs #ONLY_ONE_END *,defs #ONLY_ONE_START *,defs #ZERO_OR_MORE_END *,defs #ZERO_OR_MORE_START *,defs #ZERO_OR_ONE_END *,defs #ZERO_OR_ONE_START *{stroke:var(--md-mermaid-edge-color)!important}defs #ZERO_OR_MORE_END circle,defs #ZERO_OR_MORE_START circle{fill:var(--md-mermaid-label-bg-color)}.actor{fill:var(--md-mermaid-sequence-actor-bg-color);stroke:var(--md-mermaid-sequence-actor-border-color)}text.actor>tspan{fill:var(--md-mermaid-sequence-actor-fg-color);font-family:var(--md-mermaid-font-family)}line{stroke:var(--md-mermaid-sequence-actor-line-color)}.actor-man circle,.actor-man line{fill:var(--md-mermaid-sequence-actorman-bg-color);stroke:var(--md-mermaid-sequence-actorman-line-color)}.messageLine0,.messageLine1{stroke:var(--md-mermaid-sequence-message-line-color)}.note{fill:var(--md-mermaid-sequence-note-bg-color);stroke:var(--md-mermaid-sequence-note-border-color)}.loopText,.loopText>tspan,.messageText,.noteText>tspan{stroke:none;font-family:var(--md-mermaid-font-family)!important}.messageText{fill:var(--md-mermaid-sequence-message-fg-color)}.loopText,.loopText>tspan{fill:var(--md-mermaid-sequence-loop-fg-color)}.noteText>tspan{fill:var(--md-mermaid-sequence-note-fg-color)}#arrowhead path{fill:var(--md-mermaid-sequence-message-line-color);stroke:none}.loopLine{fill:var(--md-mermaid-sequence-loop-bg-color);stroke:var(--md-mermaid-sequence-loop-border-color)}.labelBox{fill:var(--md-mermaid-sequence-label-bg-color);stroke:none}.labelText,.labelText>span{fill:var(--md-mermaid-sequence-label-fg-color);font-family:var(--md-mermaid-font-family)}.sequenceNumber{fill:var(--md-mermaid-sequence-number-fg-color)}rect.rect{fill:var(--md-mermaid-sequence-box-bg-color);stroke:none}rect.rect+text.text{fill:var(--md-mermaid-sequence-box-fg-color)}defs #sequencenumber{fill:var(--md-mermaid-sequence-number-bg-color)!important}";var Br,Da=0;function Va(){return typeof mermaid=="undefined"||mermaid instanceof Element?wt("https://unpkg.com/mermaid@10/dist/mermaid.min.js"):I(void 0)}function In(e){return e.classList.remove("mermaid"),Br||(Br=Va().pipe(E(()=>mermaid.initialize({startOnLoad:!1,themeCSS:Rn,sequence:{actorFontSize:"16px",messageFontSize:"16px",noteFontSize:"16px"}})),m(()=>{}),B(1))),Br.subscribe(()=>ao(this,null,function*(){e.classList.add("mermaid");let t=`__mermaid_${Da++}`,r=x("div",{class:"mermaid"}),o=e.textContent,{svg:n,fn:i}=yield mermaid.render(t,o),a=r.attachShadow({mode:"closed"});a.innerHTML=n,e.replaceWith(r),i==null||i(a)})),Br.pipe(m(()=>({ref:e})))}var Fn=x("table");function jn(e){return e.replaceWith(Fn),Fn.replaceWith(On(e)),I({ref:e})}function Na(e){let t=e.find(r=>r.checked)||e[0];return S(...e.map(r=>d(r,"change").pipe(m(()=>P(`label[for="${r.id}"]`))))).pipe(Q(P(`label[for="${t.id}"]`)),m(r=>({active:r})))}function Wn(e,{viewport$:t,target$:r}){let o=P(".tabbed-labels",e),n=$(":scope > input",e),i=Qr("prev");e.append(i);let a=Qr("next");return e.append(a),C(()=>{let s=new g,p=s.pipe(X(),ne(!0));z([s,ge(e)]).pipe(U(p),Le(1,me)).subscribe({next([{active:c},l]){let f=Ue(c),{width:u}=ce(c);e.style.setProperty("--md-indicator-x",`${f.x}px`),e.style.setProperty("--md-indicator-width",`${u}px`);let h=pr(o);(f.xh.x+l.width)&&o.scrollTo({left:Math.max(0,f.x-16),behavior:"smooth"})},complete(){e.style.removeProperty("--md-indicator-x"),e.style.removeProperty("--md-indicator-width")}}),z([De(o),ge(o)]).pipe(U(p)).subscribe(([c,l])=>{let f=Tt(o);i.hidden=c.x<16,a.hidden=c.x>f.width-l.width-16}),S(d(i,"click").pipe(m(()=>-1)),d(a,"click").pipe(m(()=>1))).pipe(U(p)).subscribe(c=>{let{width:l}=ce(o);o.scrollBy({left:l*c,behavior:"smooth"})}),r.pipe(U(p),v(c=>n.includes(c))).subscribe(c=>c.click()),o.classList.add("tabbed-labels--linked");for(let c of n){let l=P(`label[for="${c.id}"]`);l.replaceChildren(x("a",{href:`#${l.htmlFor}`,tabIndex:-1},...Array.from(l.childNodes))),d(l.firstElementChild,"click").pipe(U(p),v(f=>!(f.metaKey||f.ctrlKey)),E(f=>{f.preventDefault(),f.stopPropagation()})).subscribe(()=>{history.replaceState({},"",`#${l.htmlFor}`),l.click()})}return G("content.tabs.link")&&s.pipe(Ce(1),ee(t)).subscribe(([{active:c},{offset:l}])=>{let f=c.innerText.trim();if(c.hasAttribute("data-md-switching"))c.removeAttribute("data-md-switching");else{let u=e.offsetTop-l.y;for(let w of $("[data-tabs]"))for(let A of $(":scope > input",w)){let te=P(`label[for="${A.id}"]`);if(te!==c&&te.innerText.trim()===f){te.setAttribute("data-md-switching",""),A.click();break}}window.scrollTo({top:e.offsetTop-u});let h=__md_get("__tabs")||[];__md_set("__tabs",[...new Set([f,...h])])}}),s.pipe(U(p)).subscribe(()=>{for(let c of $("audio, video",e))c.pause()}),tt(e).pipe(b(()=>Na(n)),E(c=>s.next(c)),L(()=>s.complete()),m(c=>R({ref:e},c)))}).pipe(Qe(se))}function Un(e,{viewport$:t,target$:r,print$:o}){return S(...$(".annotate:not(.highlight)",e).map(n=>Cn(n,{target$:r,print$:o})),...$("pre:not(.mermaid) > code",e).map(n=>$n(n,{target$:r,print$:o})),...$("pre.mermaid",e).map(n=>In(n)),...$("table:not([class])",e).map(n=>jn(n)),...$("details",e).map(n=>Pn(n,{target$:r,print$:o})),...$("[data-tabs]",e).map(n=>Wn(n,{viewport$:t,target$:r})),...$("[title]",e).filter(()=>G("content.tooltips")).map(n=>lt(n,{viewport$:t})))}function za(e,{alert$:t}){return t.pipe(b(r=>S(I(!0),I(!1).pipe(Ge(2e3))).pipe(m(o=>({message:r,active:o})))))}function Dn(e,t){let r=P(".md-typeset",e);return C(()=>{let o=new g;return o.subscribe(({message:n,active:i})=>{e.classList.toggle("md-dialog--active",i),r.textContent=n}),za(e,t).pipe(E(n=>o.next(n)),L(()=>o.complete()),m(n=>R({ref:e},n)))})}var qa=0;function Qa(e,t){document.body.append(e);let{width:r}=ce(e);e.style.setProperty("--md-tooltip-width",`${r}px`),e.remove();let o=cr(t),n=typeof o!="undefined"?De(o):I({x:0,y:0}),i=S(et(t),kt(t)).pipe(K());return z([i,n]).pipe(m(([a,s])=>{let{x:p,y:c}=Ue(t),l=ce(t),f=t.closest("table");return f&&t.parentElement&&(p+=f.offsetLeft+t.parentElement.offsetLeft,c+=f.offsetTop+t.parentElement.offsetTop),{active:a,offset:{x:p-s.x+l.width/2-r/2,y:c-s.y+l.height+8}}}))}function Vn(e){let t=e.title;if(!t.length)return M;let r=`__tooltip_${qa++}`,o=Pt(r,"inline"),n=P(".md-typeset",o);return n.innerHTML=t,C(()=>{let i=new g;return i.subscribe({next({offset:a}){o.style.setProperty("--md-tooltip-x",`${a.x}px`),o.style.setProperty("--md-tooltip-y",`${a.y}px`)},complete(){o.style.removeProperty("--md-tooltip-x"),o.style.removeProperty("--md-tooltip-y")}}),S(i.pipe(v(({active:a})=>a)),i.pipe(_e(250),v(({active:a})=>!a))).subscribe({next({active:a}){a?(e.insertAdjacentElement("afterend",o),e.setAttribute("aria-describedby",r),e.removeAttribute("title")):(o.remove(),e.removeAttribute("aria-describedby"),e.setAttribute("title",t))},complete(){o.remove(),e.removeAttribute("aria-describedby"),e.setAttribute("title",t)}}),i.pipe(Le(16,me)).subscribe(({active:a})=>{o.classList.toggle("md-tooltip--active",a)}),i.pipe(ct(125,me),v(()=>!!e.offsetParent),m(()=>e.offsetParent.getBoundingClientRect()),m(({x:a})=>a)).subscribe({next(a){a?o.style.setProperty("--md-tooltip-0",`${-a}px`):o.style.removeProperty("--md-tooltip-0")},complete(){o.style.removeProperty("--md-tooltip-0")}}),Qa(o,e).pipe(E(a=>i.next(a)),L(()=>i.complete()),m(a=>R({ref:e},a)))}).pipe(Qe(se))}function Ka({viewport$:e}){if(!G("header.autohide"))return I(!1);let t=e.pipe(m(({offset:{y:n}})=>n),Ye(2,1),m(([n,i])=>[nMath.abs(i-n.y)>100),m(([,[n]])=>n),K()),o=Ve("search");return z([e,o]).pipe(m(([{offset:n},i])=>n.y>400&&!i),K(),b(n=>n?r:I(!1)),Q(!1))}function Nn(e,t){return C(()=>z([ge(e),Ka(t)])).pipe(m(([{height:r},o])=>({height:r,hidden:o})),K((r,o)=>r.height===o.height&&r.hidden===o.hidden),B(1))}function zn(e,{header$:t,main$:r}){return C(()=>{let o=new g,n=o.pipe(X(),ne(!0));o.pipe(Z("active"),We(t)).subscribe(([{active:a},{hidden:s}])=>{e.classList.toggle("md-header--shadow",a&&!s),e.hidden=s});let i=ue($("[title]",e)).pipe(v(()=>G("content.tooltips")),oe(a=>Vn(a)));return r.subscribe(o),t.pipe(U(n),m(a=>R({ref:e},a)),Pe(i.pipe(U(n))))})}function Ya(e,{viewport$:t,header$:r}){return mr(e,{viewport$:t,header$:r}).pipe(m(({offset:{y:o}})=>{let{height:n}=ce(e);return{active:o>=n}}),Z("active"))}function qn(e,t){return C(()=>{let r=new g;r.subscribe({next({active:n}){e.classList.toggle("md-header__title--active",n)},complete(){e.classList.remove("md-header__title--active")}});let o=fe(".md-content h1");return typeof o=="undefined"?M:Ya(o,t).pipe(E(n=>r.next(n)),L(()=>r.complete()),m(n=>R({ref:e},n)))})}function Qn(e,{viewport$:t,header$:r}){let o=r.pipe(m(({height:i})=>i),K()),n=o.pipe(b(()=>ge(e).pipe(m(({height:i})=>({top:e.offsetTop,bottom:e.offsetTop+i})),Z("bottom"))));return z([o,n,t]).pipe(m(([i,{top:a,bottom:s},{offset:{y:p},size:{height:c}}])=>(c=Math.max(0,c-Math.max(0,a-p,i)-Math.max(0,c+p-s)),{offset:a-i,height:c,active:a-i<=p})),K((i,a)=>i.offset===a.offset&&i.height===a.height&&i.active===a.active))}function Ba(e){let t=__md_get("__palette")||{index:e.findIndex(o=>matchMedia(o.getAttribute("data-md-color-media")).matches)},r=Math.max(0,Math.min(t.index,e.length-1));return I(...e).pipe(oe(o=>d(o,"change").pipe(m(()=>o))),Q(e[r]),m(o=>({index:e.indexOf(o),color:{media:o.getAttribute("data-md-color-media"),scheme:o.getAttribute("data-md-color-scheme"),primary:o.getAttribute("data-md-color-primary"),accent:o.getAttribute("data-md-color-accent")}})),B(1))}function Kn(e){let t=$("input",e),r=x("meta",{name:"theme-color"});document.head.appendChild(r);let o=x("meta",{name:"color-scheme"});document.head.appendChild(o);let n=$t("(prefers-color-scheme: light)");return C(()=>{let i=new g;return i.subscribe(a=>{if(document.body.setAttribute("data-md-color-switching",""),a.color.media==="(prefers-color-scheme)"){let s=matchMedia("(prefers-color-scheme: light)"),p=document.querySelector(s.matches?"[data-md-color-media='(prefers-color-scheme: light)']":"[data-md-color-media='(prefers-color-scheme: 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Gr=Vt(Yr());function Ga(e){e.setAttribute("data-md-copying","");let t=e.closest("[data-copy]"),r=t?t.getAttribute("data-copy"):e.innerText;return e.removeAttribute("data-md-copying"),r.trimEnd()}function Bn({alert$:e}){Gr.default.isSupported()&&new F(t=>{new Gr.default("[data-clipboard-target], [data-clipboard-text]",{text:r=>r.getAttribute("data-clipboard-text")||Ga(P(r.getAttribute("data-clipboard-target")))}).on("success",r=>t.next(r))}).pipe(E(t=>{t.trigger.focus()}),m(()=>Ee("clipboard.copied"))).subscribe(e)}function Gn(e,t){return e.protocol=t.protocol,e.hostname=t.hostname,e}function Ja(e,t){let r=new Map;for(let o of $("url",e)){let n=P("loc",o),i=[Gn(new URL(n.textContent),t)];r.set(`${i[0]}`,i);for(let a of $("[rel=alternate]",o)){let s=a.getAttribute("href");s!=null&&i.push(Gn(new URL(s),t))}}return r}function ur(e){return mn(new URL("sitemap.xml",e)).pipe(m(t=>Ja(t,new URL(e))),ve(()=>I(new Map)))}function Xa(e,t){if(!(e.target instanceof Element))return M;let r=e.target.closest("a");if(r===null)return M;if(r.target||e.metaKey||e.ctrlKey)return M;let o=new URL(r.href);return o.search=o.hash="",t.has(`${o}`)?(e.preventDefault(),I(new URL(r.href))):M}function Jn(e){let t=new Map;for(let r of $(":scope > *",e.head))t.set(r.outerHTML,r);return t}function Xn(e){for(let t of $("[href], [src]",e))for(let r of["href","src"]){let o=t.getAttribute(r);if(o&&!/^(?:[a-z]+:)?\/\//i.test(o)){t[r]=t[r];break}}return I(e)}function Za(e){for(let o of["[data-md-component=announce]","[data-md-component=container]","[data-md-component=header-topic]","[data-md-component=outdated]","[data-md-component=logo]","[data-md-component=skip]",...G("navigation.tabs.sticky")?["[data-md-component=tabs]"]:[]]){let n=fe(o),i=fe(o,e);typeof n!="undefined"&&typeof i!="undefined"&&n.replaceWith(i)}let t=Jn(document);for(let[o,n]of Jn(e))t.has(o)?t.delete(o):document.head.appendChild(n);for(let o of t.values()){let n=o.getAttribute("name");n!=="theme-color"&&n!=="color-scheme"&&o.remove()}let r=Se("container");return je($("script",r)).pipe(b(o=>{let n=e.createElement("script");if(o.src){for(let i of o.getAttributeNames())n.setAttribute(i,o.getAttribute(i));return o.replaceWith(n),new F(i=>{n.onload=()=>i.complete()})}else return n.textContent=o.textContent,o.replaceWith(n),M}),X(),ne(document))}function Zn({location$:e,viewport$:t,progress$:r}){let o=ye();if(location.protocol==="file:")return M;let n=ur(o.base);I(document).subscribe(Xn);let i=d(document.body,"click").pipe(We(n),b(([p,c])=>Xa(p,c)),pe()),a=d(window,"popstate").pipe(m(xe),pe());i.pipe(ee(t)).subscribe(([p,{offset:c}])=>{history.replaceState(c,""),history.pushState(null,"",p)}),S(i,a).subscribe(e);let s=e.pipe(Z("pathname"),b(p=>ln(p,{progress$:r}).pipe(ve(()=>(pt(p,!0),M)))),b(Xn),b(Za),pe());return 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g,n=Se("search-query"),i=S(d(n,"keydown"),d(n,"focus")).pipe(be(se),m(()=>n.value),K());return o.pipe(We(i),m(([{suggest:s},p])=>{let c=p.split(/([\s-]+)/);if(s!=null&&s.length&&c[c.length-1]){let l=s[s.length-1];l.startsWith(c[c.length-1])&&(c[c.length-1]=l)}else c.length=0;return c})).subscribe(s=>e.innerHTML=s.join("").replace(/\s/g," ")),r.pipe(v(({mode:s})=>s==="search")).subscribe(s=>{switch(s.type){case"ArrowRight":e.innerText.length&&n.selectionStart===n.value.length&&(n.value=e.innerText);break}}),t.pipe(v(dr),m(({data:s})=>s)).pipe(E(s=>o.next(s)),L(()=>o.complete()),m(()=>({ref:e})))}function li(e,{index$:t,keyboard$:r}){let o=ye();try{let n=ni(o.search,t),i=Se("search-query",e),a=Se("search-result",e);d(e,"click").pipe(v(({target:p})=>p instanceof Element&&!!p.closest("a"))).subscribe(()=>Je("search",!1)),r.pipe(v(({mode:p})=>p==="search")).subscribe(p=>{let c=Re();switch(p.type){case"Enter":if(c===i){let l=new Map;for(let f of $(":first-child [href]",a)){let 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r=`https://api.github.com/users/${e}`;return Ne(r).pipe(m(o=>({repositories:o.public_repos})),Be({}))}}function ui(e,t){let r=`https://${e}/api/v4/projects/${encodeURIComponent(t)}`;return Ne(r).pipe(ve(()=>M),m(({star_count:o,forks_count:n})=>({stars:o,forks:n})),Be({}))}function di(e){let t=e.match(/^.+github\.com\/([^/]+)\/?([^/]+)?/i);if(t){let[,r,o]=t;return fi(r,o)}if(t=e.match(/^.+?([^/]*gitlab[^/]+)\/(.+?)\/?$/i),t){let[,r,o]=t;return ui(r,o)}return M}var ss;function cs(e){return ss||(ss=C(()=>{let t=__md_get("__source",sessionStorage);if(t)return I(t);if(ae("consent").length){let o=__md_get("__consent");if(!(o&&o.github))return M}return di(e.href).pipe(E(o=>__md_set("__source",o,sessionStorage)))}).pipe(ve(()=>M),v(t=>Object.keys(t).length>0),m(t=>({facts:t})),B(1)))}function hi(e){let t=P(":scope > :last-child",e);return C(()=>{let r=new g;return 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n=t.pipe(m(({offset:{y:a}})=>a),Ye(2,1),m(([a,s])=>a>s&&s>0),K()),i=r.pipe(m(({active:a})=>a));return z([i,n]).pipe(m(([a,s])=>!(a&&s)),K(),U(o.pipe(Ce(1))),ne(!0),st({delay:250}),m(a=>({hidden:a})))}function gi(e,{viewport$:t,header$:r,main$:o,target$:n}){let i=new g,a=i.pipe(X(),ne(!0));return i.subscribe({next({hidden:s}){e.hidden=s,s?(e.setAttribute("tabindex","-1"),e.blur()):e.removeAttribute("tabindex")},complete(){e.style.top="",e.hidden=!0,e.removeAttribute("tabindex")}}),r.pipe(U(a),Z("height")).subscribe(({height:s})=>{e.style.top=`${s+16}px`}),d(e,"click").subscribe(s=>{s.preventDefault(),window.scrollTo({top:0})}),ms(e,{viewport$:t,main$:o,target$:n}).pipe(E(s=>i.next(s)),L(()=>i.complete()),m(s=>R({ref:e},s)))}function xi({document$:e,viewport$:t}){e.pipe(b(()=>$(".md-ellipsis")),oe(r=>tt(r).pipe(U(e.pipe(Ce(1))),v(o=>o),m(()=>r),Te(1))),v(r=>r.offsetWidth{let o=r.innerText,n=r.closest("a")||r;return n.title=o,lt(n,{viewport$:t}).pipe(U(e.pipe(Ce(1))),L(()=>n.removeAttribute("title")))})).subscribe(),e.pipe(b(()=>$(".md-status")),oe(r=>lt(r,{viewport$:t}))).subscribe()}function yi({document$:e,tablet$:t}){e.pipe(b(()=>$(".md-toggle--indeterminate")),E(r=>{r.indeterminate=!0,r.checked=!1}),oe(r=>d(r,"change").pipe(Dr(()=>r.classList.contains("md-toggle--indeterminate")),m(()=>r))),ee(t)).subscribe(([r,o])=>{r.classList.remove("md-toggle--indeterminate"),o&&(r.checked=!1)})}function fs(){return/(iPad|iPhone|iPod)/.test(navigator.userAgent)}function Ei({document$:e}){e.pipe(b(()=>$("[data-md-scrollfix]")),E(t=>t.removeAttribute("data-md-scrollfix")),v(fs),oe(t=>d(t,"touchstart").pipe(m(()=>t)))).subscribe(t=>{let r=t.scrollTop;r===0?t.scrollTop=1:r+t.offsetHeight===t.scrollHeight&&(t.scrollTop=r-1)})}function wi({viewport$:e,tablet$:t}){z([Ve("search"),t]).pipe(m(([r,o])=>r&&!o),b(r=>I(r).pipe(Ge(r?400:100))),ee(e)).subscribe(([r,{offset:{y:o}}])=>{if(r)document.body.setAttribute("data-md-scrolllock",""),document.body.style.top=`-${o}px`;else{let n=-1*parseInt(document.body.style.top,10);document.body.removeAttribute("data-md-scrolllock"),document.body.style.top="",n&&window.scrollTo(0,n)}})}Object.entries||(Object.entries=function(e){let t=[];for(let r of Object.keys(e))t.push([r,e[r]]);return t});Object.values||(Object.values=function(e){let t=[];for(let r of Object.keys(e))t.push(e[r]);return t});typeof Element!="undefined"&&(Element.prototype.scrollTo||(Element.prototype.scrollTo=function(e,t){typeof e=="object"?(this.scrollLeft=e.left,this.scrollTop=e.top):(this.scrollLeft=e,this.scrollTop=t)}),Element.prototype.replaceWith||(Element.prototype.replaceWith=function(...e){let t=this.parentNode;if(t){e.length===0&&t.removeChild(this);for(let r=e.length-1;r>=0;r--){let o=e[r];typeof o=="string"?o=document.createTextNode(o):o.parentNode&&o.parentNode.removeChild(o),r?t.insertBefore(this.previousSibling,o):t.replaceChild(o,this)}}}));function us(){return location.protocol==="file:"?wt(`${new URL("search/search_index.js",Xr.base)}`).pipe(m(()=>__index),B(1)):Ne(new URL("search/search_index.json",Xr.base))}document.documentElement.classList.remove("no-js");document.documentElement.classList.add("js");var ot=Yo(),jt=nn(),Ot=cn(jt),Zr=on(),Oe=bn(),hr=$t("(min-width: 960px)"),Si=$t("(min-width: 1220px)"),Oi=pn(),Xr=ye(),Mi=document.forms.namedItem("search")?us():Ke,eo=new g;Bn({alert$:eo});var to=new g;G("navigation.instant")&&Zn({location$:jt,viewport$:Oe,progress$:to}).subscribe(ot);var Ti;((Ti=Xr.version)==null?void 0:Ti.provider)==="mike"&&ii({document$:ot});S(jt,Ot).pipe(Ge(125)).subscribe(()=>{Je("drawer",!1),Je("search",!1)});Zr.pipe(v(({mode:e})=>e==="global")).subscribe(e=>{switch(e.type){case"p":case",":let t=fe("link[rel=prev]");typeof t!="undefined"&&pt(t);break;case"n":case".":let r=fe("link[rel=next]");typeof r!="undefined"&&pt(r);break;case"Enter":let o=Re();o instanceof HTMLLabelElement&&o.click()}});xi({viewport$:Oe,document$:ot});yi({document$:ot,tablet$:hr});Ei({document$:ot});wi({viewport$:Oe,tablet$:hr});var rt=Nn(Se("header"),{viewport$:Oe}),Ft=ot.pipe(m(()=>Se("main")),b(e=>Qn(e,{viewport$:Oe,header$:rt})),B(1)),ds=S(...ae("consent").map(e=>xn(e,{target$:Ot})),...ae("dialog").map(e=>Dn(e,{alert$:eo})),...ae("header").map(e=>zn(e,{viewport$:Oe,header$:rt,main$:Ft})),...ae("palette").map(e=>Kn(e)),...ae("progress").map(e=>Yn(e,{progress$:to})),...ae("search").map(e=>li(e,{index$:Mi,keyboard$:Zr})),...ae("source").map(e=>hi(e))),hs=C(()=>S(...ae("announce").map(e=>gn(e)),...ae("content").map(e=>Un(e,{viewport$:Oe,target$:Ot,print$:Oi})),...ae("content").map(e=>G("search.highlight")?mi(e,{index$:Mi,location$:jt}):M),...ae("header-title").map(e=>qn(e,{viewport$:Oe,header$:rt})),...ae("sidebar").map(e=>e.getAttribute("data-md-type")==="navigation"?Nr(Si,()=>Jr(e,{viewport$:Oe,header$:rt,main$:Ft})):Nr(hr,()=>Jr(e,{viewport$:Oe,header$:rt,main$:Ft}))),...ae("tabs").map(e=>bi(e,{viewport$:Oe,header$:rt})),...ae("toc").map(e=>vi(e,{viewport$:Oe,header$:rt,main$:Ft,target$:Ot})),...ae("top").map(e=>gi(e,{viewport$:Oe,header$:rt,main$:Ft,target$:Ot})))),Li=ot.pipe(b(()=>hs),Pe(ds),B(1));Li.subscribe();window.document$=ot;window.location$=jt;window.target$=Ot;window.keyboard$=Zr;window.viewport$=Oe;window.tablet$=hr;window.screen$=Si;window.print$=Oi;window.alert$=eo;window.progress$=to;window.component$=Li;})(); +//# sourceMappingURL=bundle.ebd0bdb7.min.js.map + diff --git a/assets/javascripts/bundle.ebd0bdb7.min.js.map b/assets/javascripts/bundle.ebd0bdb7.min.js.map new file mode 100644 index 000000000..cec23df7e --- /dev/null +++ b/assets/javascripts/bundle.ebd0bdb7.min.js.map @@ -0,0 +1,7 @@ +{ + "version": 3, + "sources": ["node_modules/focus-visible/dist/focus-visible.js", "node_modules/clipboard/dist/clipboard.js", "node_modules/escape-html/index.js", "src/templates/assets/javascripts/bundle.ts", "node_modules/rxjs/node_modules/tslib/tslib.es6.js", "node_modules/rxjs/src/internal/util/isFunction.ts", "node_modules/rxjs/src/internal/util/createErrorClass.ts", "node_modules/rxjs/src/internal/util/UnsubscriptionError.ts", "node_modules/rxjs/src/internal/util/arrRemove.ts", "node_modules/rxjs/src/internal/Subscription.ts", "node_modules/rxjs/src/internal/config.ts", "node_modules/rxjs/src/internal/scheduler/timeoutProvider.ts", "node_modules/rxjs/src/internal/util/reportUnhandledError.ts", "node_modules/rxjs/src/internal/util/noop.ts", "node_modules/rxjs/src/internal/NotificationFactories.ts", "node_modules/rxjs/src/internal/util/errorContext.ts", "node_modules/rxjs/src/internal/Subscriber.ts", "node_modules/rxjs/src/internal/symbol/observable.ts", "node_modules/rxjs/src/internal/util/identity.ts", "node_modules/rxjs/src/internal/util/pipe.ts", "node_modules/rxjs/src/internal/Observable.ts", "node_modules/rxjs/src/internal/util/lift.ts", "node_modules/rxjs/src/internal/operators/OperatorSubscriber.ts", "node_modules/rxjs/src/internal/scheduler/animationFrameProvider.ts", "node_modules/rxjs/src/internal/util/ObjectUnsubscribedError.ts", "node_modules/rxjs/src/internal/Subject.ts", "node_modules/rxjs/src/internal/BehaviorSubject.ts", "node_modules/rxjs/src/internal/scheduler/dateTimestampProvider.ts", "node_modules/rxjs/src/internal/ReplaySubject.ts", "node_modules/rxjs/src/internal/scheduler/Action.ts", "node_modules/rxjs/src/internal/scheduler/intervalProvider.ts", "node_modules/rxjs/src/internal/scheduler/AsyncAction.ts", "node_modules/rxjs/src/internal/Scheduler.ts", "node_modules/rxjs/src/internal/scheduler/AsyncScheduler.ts", "node_modules/rxjs/src/internal/scheduler/async.ts", "node_modules/rxjs/src/internal/scheduler/QueueAction.ts", "node_modules/rxjs/src/internal/scheduler/QueueScheduler.ts", "node_modules/rxjs/src/internal/scheduler/queue.ts", "node_modules/rxjs/src/internal/scheduler/AnimationFrameAction.ts", "node_modules/rxjs/src/internal/scheduler/AnimationFrameScheduler.ts", "node_modules/rxjs/src/internal/scheduler/animationFrame.ts", "node_modules/rxjs/src/internal/observable/empty.ts", "node_modules/rxjs/src/internal/util/isScheduler.ts", "node_modules/rxjs/src/internal/util/args.ts", "node_modules/rxjs/src/internal/util/isArrayLike.ts", "node_modules/rxjs/src/internal/util/isPromise.ts", "node_modules/rxjs/src/internal/util/isInteropObservable.ts", "node_modules/rxjs/src/internal/util/isAsyncIterable.ts", "node_modules/rxjs/src/internal/util/throwUnobservableError.ts", "node_modules/rxjs/src/internal/symbol/iterator.ts", "node_modules/rxjs/src/internal/util/isIterable.ts", "node_modules/rxjs/src/internal/util/isReadableStreamLike.ts", "node_modules/rxjs/src/internal/observable/innerFrom.ts", "node_modules/rxjs/src/internal/util/executeSchedule.ts", "node_modules/rxjs/src/internal/operators/observeOn.ts", "node_modules/rxjs/src/internal/operators/subscribeOn.ts", "node_modules/rxjs/src/internal/scheduled/scheduleObservable.ts", "node_modules/rxjs/src/internal/scheduled/schedulePromise.ts", "node_modules/rxjs/src/internal/scheduled/scheduleArray.ts", "node_modules/rxjs/src/internal/scheduled/scheduleIterable.ts", "node_modules/rxjs/src/internal/scheduled/scheduleAsyncIterable.ts", "node_modules/rxjs/src/internal/scheduled/scheduleReadableStreamLike.ts", "node_modules/rxjs/src/internal/scheduled/scheduled.ts", "node_modules/rxjs/src/internal/observable/from.ts", "node_modules/rxjs/src/internal/observable/of.ts", "node_modules/rxjs/src/internal/observable/throwError.ts", "node_modules/rxjs/src/internal/util/EmptyError.ts", "node_modules/rxjs/src/internal/util/isDate.ts", "node_modules/rxjs/src/internal/operators/map.ts", "node_modules/rxjs/src/internal/util/mapOneOrManyArgs.ts", "node_modules/rxjs/src/internal/util/argsArgArrayOrObject.ts", "node_modules/rxjs/src/internal/util/createObject.ts", "node_modules/rxjs/src/internal/observable/combineLatest.ts", "node_modules/rxjs/src/internal/operators/mergeInternals.ts", "node_modules/rxjs/src/internal/operators/mergeMap.ts", "node_modules/rxjs/src/internal/operators/mergeAll.ts", "node_modules/rxjs/src/internal/operators/concatAll.ts", "node_modules/rxjs/src/internal/observable/concat.ts", "node_modules/rxjs/src/internal/observable/defer.ts", "node_modules/rxjs/src/internal/observable/fromEvent.ts", "node_modules/rxjs/src/internal/observable/fromEventPattern.ts", "node_modules/rxjs/src/internal/observable/timer.ts", "node_modules/rxjs/src/internal/observable/merge.ts", "node_modules/rxjs/src/internal/observable/never.ts", "node_modules/rxjs/src/internal/util/argsOrArgArray.ts", "node_modules/rxjs/src/internal/operators/filter.ts", "node_modules/rxjs/src/internal/observable/zip.ts", "node_modules/rxjs/src/internal/operators/audit.ts", "node_modules/rxjs/src/internal/operators/auditTime.ts", "node_modules/rxjs/src/internal/operators/bufferCount.ts", "node_modules/rxjs/src/internal/operators/catchError.ts", "node_modules/rxjs/src/internal/operators/scanInternals.ts", "node_modules/rxjs/src/internal/operators/combineLatest.ts", "node_modules/rxjs/src/internal/operators/combineLatestWith.ts", "node_modules/rxjs/src/internal/operators/debounce.ts", "node_modules/rxjs/src/internal/operators/debounceTime.ts", "node_modules/rxjs/src/internal/operators/defaultIfEmpty.ts", "node_modules/rxjs/src/internal/operators/take.ts", "node_modules/rxjs/src/internal/operators/ignoreElements.ts", "node_modules/rxjs/src/internal/operators/mapTo.ts", "node_modules/rxjs/src/internal/operators/delayWhen.ts", "node_modules/rxjs/src/internal/operators/delay.ts", "node_modules/rxjs/src/internal/operators/distinctUntilChanged.ts", "node_modules/rxjs/src/internal/operators/distinctUntilKeyChanged.ts", "node_modules/rxjs/src/internal/operators/throwIfEmpty.ts", "node_modules/rxjs/src/internal/operators/endWith.ts", "node_modules/rxjs/src/internal/operators/finalize.ts", "node_modules/rxjs/src/internal/operators/first.ts", "node_modules/rxjs/src/internal/operators/takeLast.ts", "node_modules/rxjs/src/internal/operators/merge.ts", "node_modules/rxjs/src/internal/operators/mergeWith.ts", "node_modules/rxjs/src/internal/operators/repeat.ts", "node_modules/rxjs/src/internal/operators/scan.ts", "node_modules/rxjs/src/internal/operators/share.ts", "node_modules/rxjs/src/internal/operators/shareReplay.ts", "node_modules/rxjs/src/internal/operators/skip.ts", "node_modules/rxjs/src/internal/operators/skipUntil.ts", "node_modules/rxjs/src/internal/operators/startWith.ts", "node_modules/rxjs/src/internal/operators/switchMap.ts", "node_modules/rxjs/src/internal/operators/takeUntil.ts", "node_modules/rxjs/src/internal/operators/takeWhile.ts", "node_modules/rxjs/src/internal/operators/tap.ts", "node_modules/rxjs/src/internal/operators/throttle.ts", "node_modules/rxjs/src/internal/operators/throttleTime.ts", "node_modules/rxjs/src/internal/operators/withLatestFrom.ts", "node_modules/rxjs/src/internal/operators/zip.ts", "node_modules/rxjs/src/internal/operators/zipWith.ts", "src/templates/assets/javascripts/browser/document/index.ts", "src/templates/assets/javascripts/browser/element/_/index.ts", "src/templates/assets/javascripts/browser/element/focus/index.ts", "src/templates/assets/javascripts/browser/element/hover/index.ts", "src/templates/assets/javascripts/utilities/h/index.ts", "src/templates/assets/javascripts/utilities/round/index.ts", "src/templates/assets/javascripts/browser/script/index.ts", "src/templates/assets/javascripts/browser/element/size/_/index.ts", "src/templates/assets/javascripts/browser/element/size/content/index.ts", "src/templates/assets/javascripts/browser/element/offset/_/index.ts", "src/templates/assets/javascripts/browser/element/offset/content/index.ts", "src/templates/assets/javascripts/browser/element/visibility/index.ts", "src/templates/assets/javascripts/browser/toggle/index.ts", "src/templates/assets/javascripts/browser/keyboard/index.ts", "src/templates/assets/javascripts/browser/location/_/index.ts", "src/templates/assets/javascripts/browser/location/hash/index.ts", "src/templates/assets/javascripts/browser/media/index.ts", "src/templates/assets/javascripts/browser/request/index.ts", "src/templates/assets/javascripts/browser/viewport/offset/index.ts", "src/templates/assets/javascripts/browser/viewport/size/index.ts", "src/templates/assets/javascripts/browser/viewport/_/index.ts", "src/templates/assets/javascripts/browser/viewport/at/index.ts", "src/templates/assets/javascripts/browser/worker/index.ts", "src/templates/assets/javascripts/_/index.ts", "src/templates/assets/javascripts/components/_/index.ts", "src/templates/assets/javascripts/components/announce/index.ts", "src/templates/assets/javascripts/components/consent/index.ts", "src/templates/assets/javascripts/templates/tooltip/index.tsx", "src/templates/assets/javascripts/templates/annotation/index.tsx", "src/templates/assets/javascripts/templates/clipboard/index.tsx", "src/templates/assets/javascripts/templates/search/index.tsx", "src/templates/assets/javascripts/templates/source/index.tsx", "src/templates/assets/javascripts/templates/tabbed/index.tsx", "src/templates/assets/javascripts/templates/table/index.tsx", "src/templates/assets/javascripts/templates/version/index.tsx", "src/templates/assets/javascripts/components/tooltip2/index.ts", "src/templates/assets/javascripts/components/content/annotation/_/index.ts", "src/templates/assets/javascripts/components/content/annotation/list/index.ts", "src/templates/assets/javascripts/components/content/annotation/block/index.ts", "src/templates/assets/javascripts/components/content/code/_/index.ts", "src/templates/assets/javascripts/components/content/details/index.ts", "src/templates/assets/javascripts/components/content/mermaid/index.css", "src/templates/assets/javascripts/components/content/mermaid/index.ts", "src/templates/assets/javascripts/components/content/table/index.ts", "src/templates/assets/javascripts/components/content/tabs/index.ts", "src/templates/assets/javascripts/components/content/_/index.ts", "src/templates/assets/javascripts/components/dialog/index.ts", "src/templates/assets/javascripts/components/tooltip/index.ts", "src/templates/assets/javascripts/components/header/_/index.ts", "src/templates/assets/javascripts/components/header/title/index.ts", "src/templates/assets/javascripts/components/main/index.ts", "src/templates/assets/javascripts/components/palette/index.ts", "src/templates/assets/javascripts/components/progress/index.ts", "src/templates/assets/javascripts/integrations/clipboard/index.ts", "src/templates/assets/javascripts/integrations/sitemap/index.ts", "src/templates/assets/javascripts/integrations/instant/index.ts", "src/templates/assets/javascripts/integrations/search/highlighter/index.ts", "src/templates/assets/javascripts/integrations/search/worker/message/index.ts", "src/templates/assets/javascripts/integrations/search/worker/_/index.ts", "src/templates/assets/javascripts/integrations/version/index.ts", "src/templates/assets/javascripts/components/search/query/index.ts", "src/templates/assets/javascripts/components/search/result/index.ts", "src/templates/assets/javascripts/components/search/share/index.ts", "src/templates/assets/javascripts/components/search/suggest/index.ts", "src/templates/assets/javascripts/components/search/_/index.ts", "src/templates/assets/javascripts/components/search/highlight/index.ts", "src/templates/assets/javascripts/components/sidebar/index.ts", "src/templates/assets/javascripts/components/source/facts/github/index.ts", "src/templates/assets/javascripts/components/source/facts/gitlab/index.ts", "src/templates/assets/javascripts/components/source/facts/_/index.ts", "src/templates/assets/javascripts/components/source/_/index.ts", "src/templates/assets/javascripts/components/tabs/index.ts", "src/templates/assets/javascripts/components/toc/index.ts", "src/templates/assets/javascripts/components/top/index.ts", "src/templates/assets/javascripts/patches/ellipsis/index.ts", "src/templates/assets/javascripts/patches/indeterminate/index.ts", "src/templates/assets/javascripts/patches/scrollfix/index.ts", "src/templates/assets/javascripts/patches/scrolllock/index.ts", "src/templates/assets/javascripts/polyfills/index.ts"], + "sourcesContent": ["(function (global, factory) {\n typeof exports === 'object' && typeof module !== 'undefined' ? factory() :\n typeof define === 'function' && define.amd ? define(factory) :\n (factory());\n}(this, (function () { 'use strict';\n\n /**\n * Applies the :focus-visible polyfill at the given scope.\n * A scope in this case is either the top-level Document or a Shadow Root.\n *\n * @param {(Document|ShadowRoot)} scope\n * @see https://github.com/WICG/focus-visible\n */\n function applyFocusVisiblePolyfill(scope) {\n var hadKeyboardEvent = true;\n var hadFocusVisibleRecently = false;\n var hadFocusVisibleRecentlyTimeout = null;\n\n var inputTypesAllowlist = {\n text: true,\n search: true,\n url: true,\n tel: true,\n email: true,\n password: true,\n number: true,\n date: true,\n month: true,\n week: true,\n time: true,\n datetime: true,\n 'datetime-local': true\n };\n\n /**\n * Helper function for legacy browsers and iframes which sometimes focus\n * elements like document, body, and non-interactive SVG.\n * @param {Element} el\n */\n function isValidFocusTarget(el) {\n if (\n el &&\n el !== document &&\n el.nodeName !== 'HTML' &&\n el.nodeName !== 'BODY' &&\n 'classList' in el &&\n 'contains' in el.classList\n ) {\n return true;\n }\n return false;\n }\n\n /**\n * Computes whether the given element should automatically trigger the\n * `focus-visible` class being added, i.e. whether it should always match\n * `:focus-visible` when focused.\n * @param {Element} el\n * @return {boolean}\n */\n function focusTriggersKeyboardModality(el) {\n var type = el.type;\n var tagName = el.tagName;\n\n if (tagName === 'INPUT' && inputTypesAllowlist[type] && !el.readOnly) {\n return true;\n }\n\n if (tagName === 'TEXTAREA' && !el.readOnly) {\n return true;\n }\n\n if (el.isContentEditable) {\n return true;\n }\n\n return false;\n }\n\n /**\n * Add the `focus-visible` class to the given element if it was not added by\n * the author.\n * @param {Element} el\n */\n function addFocusVisibleClass(el) {\n if (el.classList.contains('focus-visible')) {\n return;\n }\n el.classList.add('focus-visible');\n el.setAttribute('data-focus-visible-added', '');\n }\n\n /**\n * Remove the `focus-visible` class from the given element if it was not\n * originally added by the author.\n * @param {Element} el\n */\n function removeFocusVisibleClass(el) {\n if (!el.hasAttribute('data-focus-visible-added')) {\n return;\n }\n el.classList.remove('focus-visible');\n el.removeAttribute('data-focus-visible-added');\n }\n\n /**\n * If the most recent user interaction was via the keyboard;\n * and the key press did not include a meta, alt/option, or control key;\n * then the modality is keyboard. Otherwise, the modality is not keyboard.\n * Apply `focus-visible` to any current active element and keep track\n * of our keyboard modality state with `hadKeyboardEvent`.\n * @param {KeyboardEvent} e\n */\n function onKeyDown(e) {\n if (e.metaKey || e.altKey || e.ctrlKey) {\n return;\n }\n\n if (isValidFocusTarget(scope.activeElement)) {\n addFocusVisibleClass(scope.activeElement);\n }\n\n hadKeyboardEvent = true;\n }\n\n /**\n * If at any point a user clicks with a pointing device, ensure that we change\n * the modality away from keyboard.\n * This avoids the situation where a user presses a key on an already focused\n * element, and then clicks on a different element, focusing it with a\n * pointing device, while we still think we're in keyboard modality.\n * @param {Event} e\n */\n function onPointerDown(e) {\n hadKeyboardEvent = false;\n }\n\n /**\n * On `focus`, add the `focus-visible` class to the target if:\n * - the target received focus as a result of keyboard navigation, or\n * - the event target is an element that will likely require interaction\n * via the keyboard (e.g. a text box)\n * @param {Event} e\n */\n function onFocus(e) {\n // Prevent IE from focusing the document or HTML element.\n if (!isValidFocusTarget(e.target)) {\n return;\n }\n\n if (hadKeyboardEvent || focusTriggersKeyboardModality(e.target)) {\n addFocusVisibleClass(e.target);\n }\n }\n\n /**\n * On `blur`, remove the `focus-visible` class from the target.\n * @param {Event} e\n */\n function onBlur(e) {\n if (!isValidFocusTarget(e.target)) {\n return;\n }\n\n if (\n e.target.classList.contains('focus-visible') ||\n e.target.hasAttribute('data-focus-visible-added')\n ) {\n // To detect a tab/window switch, we look for a blur event followed\n // rapidly by a visibility change.\n // If we don't see a visibility change within 100ms, it's probably a\n // regular focus change.\n hadFocusVisibleRecently = true;\n window.clearTimeout(hadFocusVisibleRecentlyTimeout);\n hadFocusVisibleRecentlyTimeout = window.setTimeout(function() {\n hadFocusVisibleRecently = false;\n }, 100);\n removeFocusVisibleClass(e.target);\n }\n }\n\n /**\n * If the user changes tabs, keep track of whether or not the previously\n * focused element had .focus-visible.\n * @param {Event} e\n */\n function onVisibilityChange(e) {\n if (document.visibilityState === 'hidden') {\n // If the tab becomes active again, the browser will handle calling focus\n // on the element (Safari actually calls it twice).\n // If this tab change caused a blur on an element with focus-visible,\n // re-apply the class when the user switches back to the tab.\n if (hadFocusVisibleRecently) {\n hadKeyboardEvent = true;\n }\n addInitialPointerMoveListeners();\n }\n }\n\n /**\n * Add a group of listeners to detect usage of any pointing devices.\n * These listeners will be added when the polyfill first loads, and anytime\n * the window is blurred, so that they are active when the window regains\n * focus.\n */\n function addInitialPointerMoveListeners() {\n document.addEventListener('mousemove', onInitialPointerMove);\n document.addEventListener('mousedown', onInitialPointerMove);\n document.addEventListener('mouseup', onInitialPointerMove);\n document.addEventListener('pointermove', onInitialPointerMove);\n document.addEventListener('pointerdown', onInitialPointerMove);\n document.addEventListener('pointerup', onInitialPointerMove);\n document.addEventListener('touchmove', onInitialPointerMove);\n document.addEventListener('touchstart', onInitialPointerMove);\n document.addEventListener('touchend', onInitialPointerMove);\n }\n\n function removeInitialPointerMoveListeners() {\n document.removeEventListener('mousemove', onInitialPointerMove);\n document.removeEventListener('mousedown', onInitialPointerMove);\n document.removeEventListener('mouseup', onInitialPointerMove);\n document.removeEventListener('pointermove', onInitialPointerMove);\n document.removeEventListener('pointerdown', onInitialPointerMove);\n document.removeEventListener('pointerup', onInitialPointerMove);\n document.removeEventListener('touchmove', onInitialPointerMove);\n document.removeEventListener('touchstart', onInitialPointerMove);\n document.removeEventListener('touchend', onInitialPointerMove);\n }\n\n /**\n * When the polfyill first loads, assume the user is in keyboard modality.\n * If any event is received from a pointing device (e.g. mouse, pointer,\n * touch), turn off keyboard modality.\n * This accounts for situations where focus enters the page from the URL bar.\n * @param {Event} e\n */\n function onInitialPointerMove(e) {\n // Work around a Safari quirk that fires a mousemove on whenever the\n // window blurs, even if you're tabbing out of the page. \u00AF\\_(\u30C4)_/\u00AF\n if (e.target.nodeName && e.target.nodeName.toLowerCase() === 'html') {\n return;\n }\n\n hadKeyboardEvent = false;\n removeInitialPointerMoveListeners();\n }\n\n // For some kinds of state, we are interested in changes at the global scope\n // only. For example, global pointer input, global key presses and global\n // visibility change should affect the state at every scope:\n document.addEventListener('keydown', onKeyDown, true);\n document.addEventListener('mousedown', onPointerDown, true);\n document.addEventListener('pointerdown', onPointerDown, true);\n document.addEventListener('touchstart', onPointerDown, true);\n document.addEventListener('visibilitychange', onVisibilityChange, true);\n\n addInitialPointerMoveListeners();\n\n // For focus and blur, we specifically care about state changes in the local\n // scope. This is because focus / blur events that originate from within a\n // shadow root are not re-dispatched from the host element if it was already\n // the active element in its own scope:\n scope.addEventListener('focus', onFocus, true);\n scope.addEventListener('blur', onBlur, true);\n\n // We detect that a node is a ShadowRoot by ensuring that it is a\n // DocumentFragment and also has a host property. This check covers native\n // implementation and polyfill implementation transparently. If we only cared\n // about the native implementation, we could just check if the scope was\n // an instance of a ShadowRoot.\n if (scope.nodeType === Node.DOCUMENT_FRAGMENT_NODE && scope.host) {\n // Since a ShadowRoot is a special kind of DocumentFragment, it does not\n // have a root element to add a class to. So, we add this attribute to the\n // host element instead:\n scope.host.setAttribute('data-js-focus-visible', '');\n } else if (scope.nodeType === Node.DOCUMENT_NODE) {\n document.documentElement.classList.add('js-focus-visible');\n document.documentElement.setAttribute('data-js-focus-visible', '');\n }\n }\n\n // It is important to wrap all references to global window and document in\n // these checks to support server-side rendering use cases\n // @see https://github.com/WICG/focus-visible/issues/199\n if (typeof window !== 'undefined' && typeof document !== 'undefined') {\n // Make the polyfill helper globally available. This can be used as a signal\n // to interested libraries that wish to coordinate with the polyfill for e.g.,\n // applying the polyfill to a shadow root:\n window.applyFocusVisiblePolyfill = applyFocusVisiblePolyfill;\n\n // Notify interested libraries of the polyfill's presence, in case the\n // polyfill was loaded lazily:\n var event;\n\n try {\n event = new CustomEvent('focus-visible-polyfill-ready');\n } catch (error) {\n // IE11 does not support using CustomEvent as a constructor directly:\n event = document.createEvent('CustomEvent');\n event.initCustomEvent('focus-visible-polyfill-ready', false, false, {});\n }\n\n window.dispatchEvent(event);\n }\n\n if (typeof document !== 'undefined') {\n // Apply the polyfill to the global document, so that no JavaScript\n // coordination is required to use the polyfill in the top-level document:\n applyFocusVisiblePolyfill(document);\n }\n\n})));\n", "/*!\n * clipboard.js v2.0.11\n * https://clipboardjs.com/\n *\n * Licensed MIT \u00A9 Zeno Rocha\n */\n(function webpackUniversalModuleDefinition(root, factory) {\n\tif(typeof exports === 'object' && typeof module === 'object')\n\t\tmodule.exports = factory();\n\telse if(typeof define === 'function' && define.amd)\n\t\tdefine([], factory);\n\telse if(typeof exports === 'object')\n\t\texports[\"ClipboardJS\"] = factory();\n\telse\n\t\troot[\"ClipboardJS\"] = factory();\n})(this, function() {\nreturn /******/ (function() { // webpackBootstrap\n/******/ \tvar __webpack_modules__ = ({\n\n/***/ 686:\n/***/ (function(__unused_webpack_module, __webpack_exports__, __webpack_require__) {\n\n\"use strict\";\n\n// EXPORTS\n__webpack_require__.d(__webpack_exports__, {\n \"default\": function() { return /* binding */ clipboard; }\n});\n\n// EXTERNAL MODULE: ./node_modules/tiny-emitter/index.js\nvar tiny_emitter = __webpack_require__(279);\nvar tiny_emitter_default = /*#__PURE__*/__webpack_require__.n(tiny_emitter);\n// EXTERNAL MODULE: ./node_modules/good-listener/src/listen.js\nvar listen = __webpack_require__(370);\nvar listen_default = /*#__PURE__*/__webpack_require__.n(listen);\n// EXTERNAL MODULE: ./node_modules/select/src/select.js\nvar src_select = __webpack_require__(817);\nvar select_default = /*#__PURE__*/__webpack_require__.n(src_select);\n;// CONCATENATED MODULE: ./src/common/command.js\n/**\n * Executes a given operation type.\n * @param {String} type\n * @return {Boolean}\n */\nfunction command(type) {\n try {\n return document.execCommand(type);\n } catch (err) {\n return false;\n }\n}\n;// CONCATENATED MODULE: ./src/actions/cut.js\n\n\n/**\n * Cut action wrapper.\n * @param {String|HTMLElement} target\n * @return {String}\n */\n\nvar ClipboardActionCut = function ClipboardActionCut(target) {\n var selectedText = select_default()(target);\n command('cut');\n return selectedText;\n};\n\n/* harmony default export */ var actions_cut = (ClipboardActionCut);\n;// CONCATENATED MODULE: ./src/common/create-fake-element.js\n/**\n * Creates a fake textarea element with a value.\n * @param {String} value\n * @return {HTMLElement}\n */\nfunction createFakeElement(value) {\n var isRTL = document.documentElement.getAttribute('dir') === 'rtl';\n var fakeElement = document.createElement('textarea'); // Prevent zooming on iOS\n\n fakeElement.style.fontSize = '12pt'; // Reset box model\n\n fakeElement.style.border = '0';\n fakeElement.style.padding = '0';\n fakeElement.style.margin = '0'; // Move element out of screen horizontally\n\n fakeElement.style.position = 'absolute';\n fakeElement.style[isRTL ? 'right' : 'left'] = '-9999px'; // Move element to the same position vertically\n\n var yPosition = window.pageYOffset || document.documentElement.scrollTop;\n fakeElement.style.top = \"\".concat(yPosition, \"px\");\n fakeElement.setAttribute('readonly', '');\n fakeElement.value = value;\n return fakeElement;\n}\n;// CONCATENATED MODULE: ./src/actions/copy.js\n\n\n\n/**\n * Create fake copy action wrapper using a fake element.\n * @param {String} target\n * @param {Object} options\n * @return {String}\n */\n\nvar fakeCopyAction = function fakeCopyAction(value, options) {\n var fakeElement = createFakeElement(value);\n options.container.appendChild(fakeElement);\n var selectedText = select_default()(fakeElement);\n command('copy');\n fakeElement.remove();\n return selectedText;\n};\n/**\n * Copy action wrapper.\n * @param {String|HTMLElement} target\n * @param {Object} options\n * @return {String}\n */\n\n\nvar ClipboardActionCopy = function ClipboardActionCopy(target) {\n var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {\n container: document.body\n };\n var selectedText = '';\n\n if (typeof target === 'string') {\n selectedText = fakeCopyAction(target, options);\n } else if (target instanceof HTMLInputElement && !['text', 'search', 'url', 'tel', 'password'].includes(target === null || target === void 0 ? void 0 : target.type)) {\n // If input type doesn't support `setSelectionRange`. Simulate it. https://developer.mozilla.org/en-US/docs/Web/API/HTMLInputElement/setSelectionRange\n selectedText = fakeCopyAction(target.value, options);\n } else {\n selectedText = select_default()(target);\n command('copy');\n }\n\n return selectedText;\n};\n\n/* harmony default export */ var actions_copy = (ClipboardActionCopy);\n;// CONCATENATED MODULE: ./src/actions/default.js\nfunction _typeof(obj) { \"@babel/helpers - typeof\"; if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }; } return _typeof(obj); }\n\n\n\n/**\n * Inner function which performs selection from either `text` or `target`\n * properties and then executes copy or cut operations.\n * @param {Object} options\n */\n\nvar ClipboardActionDefault = function ClipboardActionDefault() {\n var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n // Defines base properties passed from constructor.\n var _options$action = options.action,\n action = _options$action === void 0 ? 'copy' : _options$action,\n container = options.container,\n target = options.target,\n text = options.text; // Sets the `action` to be performed which can be either 'copy' or 'cut'.\n\n if (action !== 'copy' && action !== 'cut') {\n throw new Error('Invalid \"action\" value, use either \"copy\" or \"cut\"');\n } // Sets the `target` property using an element that will be have its content copied.\n\n\n if (target !== undefined) {\n if (target && _typeof(target) === 'object' && target.nodeType === 1) {\n if (action === 'copy' && target.hasAttribute('disabled')) {\n throw new Error('Invalid \"target\" attribute. Please use \"readonly\" instead of \"disabled\" attribute');\n }\n\n if (action === 'cut' && (target.hasAttribute('readonly') || target.hasAttribute('disabled'))) {\n throw new Error('Invalid \"target\" attribute. You can\\'t cut text from elements with \"readonly\" or \"disabled\" attributes');\n }\n } else {\n throw new Error('Invalid \"target\" value, use a valid Element');\n }\n } // Define selection strategy based on `text` property.\n\n\n if (text) {\n return actions_copy(text, {\n container: container\n });\n } // Defines which selection strategy based on `target` property.\n\n\n if (target) {\n return action === 'cut' ? actions_cut(target) : actions_copy(target, {\n container: container\n });\n }\n};\n\n/* harmony default export */ var actions_default = (ClipboardActionDefault);\n;// CONCATENATED MODULE: ./src/clipboard.js\nfunction clipboard_typeof(obj) { \"@babel/helpers - typeof\"; if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") { clipboard_typeof = function _typeof(obj) { return typeof obj; }; } else { clipboard_typeof = function _typeof(obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }; } return clipboard_typeof(obj); }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }\n\nfunction _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function\"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }\n\nfunction _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }\n\nfunction _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }\n\nfunction _possibleConstructorReturn(self, call) { if (call && (clipboard_typeof(call) === \"object\" || typeof call === \"function\")) { return call; } return _assertThisInitialized(self); }\n\nfunction _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return self; }\n\nfunction _isNativeReflectConstruct() { if (typeof Reflect === \"undefined\" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === \"function\") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }\n\nfunction _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }\n\n\n\n\n\n\n/**\n * Helper function to retrieve attribute value.\n * @param {String} suffix\n * @param {Element} element\n */\n\nfunction getAttributeValue(suffix, element) {\n var attribute = \"data-clipboard-\".concat(suffix);\n\n if (!element.hasAttribute(attribute)) {\n return;\n }\n\n return element.getAttribute(attribute);\n}\n/**\n * Base class which takes one or more elements, adds event listeners to them,\n * and instantiates a new `ClipboardAction` on each click.\n */\n\n\nvar Clipboard = /*#__PURE__*/function (_Emitter) {\n _inherits(Clipboard, _Emitter);\n\n var _super = _createSuper(Clipboard);\n\n /**\n * @param {String|HTMLElement|HTMLCollection|NodeList} trigger\n * @param {Object} options\n */\n function Clipboard(trigger, options) {\n var _this;\n\n _classCallCheck(this, Clipboard);\n\n _this = _super.call(this);\n\n _this.resolveOptions(options);\n\n _this.listenClick(trigger);\n\n return _this;\n }\n /**\n * Defines if attributes would be resolved using internal setter functions\n * or custom functions that were passed in the constructor.\n * @param {Object} options\n */\n\n\n _createClass(Clipboard, [{\n key: \"resolveOptions\",\n value: function resolveOptions() {\n var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n this.action = typeof options.action === 'function' ? options.action : this.defaultAction;\n this.target = typeof options.target === 'function' ? options.target : this.defaultTarget;\n this.text = typeof options.text === 'function' ? options.text : this.defaultText;\n this.container = clipboard_typeof(options.container) === 'object' ? options.container : document.body;\n }\n /**\n * Adds a click event listener to the passed trigger.\n * @param {String|HTMLElement|HTMLCollection|NodeList} trigger\n */\n\n }, {\n key: \"listenClick\",\n value: function listenClick(trigger) {\n var _this2 = this;\n\n this.listener = listen_default()(trigger, 'click', function (e) {\n return _this2.onClick(e);\n });\n }\n /**\n * Defines a new `ClipboardAction` on each click event.\n * @param {Event} e\n */\n\n }, {\n key: \"onClick\",\n value: function onClick(e) {\n var trigger = e.delegateTarget || e.currentTarget;\n var action = this.action(trigger) || 'copy';\n var text = actions_default({\n action: action,\n container: this.container,\n target: this.target(trigger),\n text: this.text(trigger)\n }); // Fires an event based on the copy operation result.\n\n this.emit(text ? 'success' : 'error', {\n action: action,\n text: text,\n trigger: trigger,\n clearSelection: function clearSelection() {\n if (trigger) {\n trigger.focus();\n }\n\n window.getSelection().removeAllRanges();\n }\n });\n }\n /**\n * Default `action` lookup function.\n * @param {Element} trigger\n */\n\n }, {\n key: \"defaultAction\",\n value: function defaultAction(trigger) {\n return getAttributeValue('action', trigger);\n }\n /**\n * Default `target` lookup function.\n * @param {Element} trigger\n */\n\n }, {\n key: \"defaultTarget\",\n value: function defaultTarget(trigger) {\n var selector = getAttributeValue('target', trigger);\n\n if (selector) {\n return document.querySelector(selector);\n }\n }\n /**\n * Allow fire programmatically a copy action\n * @param {String|HTMLElement} target\n * @param {Object} options\n * @returns Text copied.\n */\n\n }, {\n key: \"defaultText\",\n\n /**\n * Default `text` lookup function.\n * @param {Element} trigger\n */\n value: function defaultText(trigger) {\n return getAttributeValue('text', trigger);\n }\n /**\n * Destroy lifecycle.\n */\n\n }, {\n key: \"destroy\",\n value: function destroy() {\n this.listener.destroy();\n }\n }], [{\n key: \"copy\",\n value: function copy(target) {\n var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {\n container: document.body\n };\n return actions_copy(target, options);\n }\n /**\n * Allow fire programmatically a cut action\n * @param {String|HTMLElement} target\n * @returns Text cutted.\n */\n\n }, {\n key: \"cut\",\n value: function cut(target) {\n return actions_cut(target);\n }\n /**\n * Returns the support of the given action, or all actions if no action is\n * given.\n * @param {String} [action]\n */\n\n }, {\n key: \"isSupported\",\n value: function isSupported() {\n var action = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : ['copy', 'cut'];\n var actions = typeof action === 'string' ? [action] : action;\n var support = !!document.queryCommandSupported;\n actions.forEach(function (action) {\n support = support && !!document.queryCommandSupported(action);\n });\n return support;\n }\n }]);\n\n return Clipboard;\n}((tiny_emitter_default()));\n\n/* harmony default export */ var clipboard = (Clipboard);\n\n/***/ }),\n\n/***/ 828:\n/***/ (function(module) {\n\nvar DOCUMENT_NODE_TYPE = 9;\n\n/**\n * A polyfill for Element.matches()\n */\nif (typeof Element !== 'undefined' && !Element.prototype.matches) {\n var proto = Element.prototype;\n\n proto.matches = proto.matchesSelector ||\n proto.mozMatchesSelector ||\n proto.msMatchesSelector ||\n proto.oMatchesSelector ||\n proto.webkitMatchesSelector;\n}\n\n/**\n * Finds the closest parent that matches a selector.\n *\n * @param {Element} element\n * @param {String} selector\n * @return {Function}\n */\nfunction closest (element, selector) {\n while (element && element.nodeType !== DOCUMENT_NODE_TYPE) {\n if (typeof element.matches === 'function' &&\n element.matches(selector)) {\n return element;\n }\n element = element.parentNode;\n }\n}\n\nmodule.exports = closest;\n\n\n/***/ }),\n\n/***/ 438:\n/***/ (function(module, __unused_webpack_exports, __webpack_require__) {\n\nvar closest = __webpack_require__(828);\n\n/**\n * Delegates event to a selector.\n *\n * @param {Element} element\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @param {Boolean} useCapture\n * @return {Object}\n */\nfunction _delegate(element, selector, type, callback, useCapture) {\n var listenerFn = listener.apply(this, arguments);\n\n element.addEventListener(type, listenerFn, useCapture);\n\n return {\n destroy: function() {\n element.removeEventListener(type, listenerFn, useCapture);\n }\n }\n}\n\n/**\n * Delegates event to a selector.\n *\n * @param {Element|String|Array} [elements]\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @param {Boolean} useCapture\n * @return {Object}\n */\nfunction delegate(elements, selector, type, callback, useCapture) {\n // Handle the regular Element usage\n if (typeof elements.addEventListener === 'function') {\n return _delegate.apply(null, arguments);\n }\n\n // Handle Element-less usage, it defaults to global delegation\n if (typeof type === 'function') {\n // Use `document` as the first parameter, then apply arguments\n // This is a short way to .unshift `arguments` without running into deoptimizations\n return _delegate.bind(null, document).apply(null, arguments);\n }\n\n // Handle Selector-based usage\n if (typeof elements === 'string') {\n elements = document.querySelectorAll(elements);\n }\n\n // Handle Array-like based usage\n return Array.prototype.map.call(elements, function (element) {\n return _delegate(element, selector, type, callback, useCapture);\n });\n}\n\n/**\n * Finds closest match and invokes callback.\n *\n * @param {Element} element\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @return {Function}\n */\nfunction listener(element, selector, type, callback) {\n return function(e) {\n e.delegateTarget = closest(e.target, selector);\n\n if (e.delegateTarget) {\n callback.call(element, e);\n }\n }\n}\n\nmodule.exports = delegate;\n\n\n/***/ }),\n\n/***/ 879:\n/***/ (function(__unused_webpack_module, exports) {\n\n/**\n * Check if argument is a HTML element.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.node = function(value) {\n return value !== undefined\n && value instanceof HTMLElement\n && value.nodeType === 1;\n};\n\n/**\n * Check if argument is a list of HTML elements.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.nodeList = function(value) {\n var type = Object.prototype.toString.call(value);\n\n return value !== undefined\n && (type === '[object NodeList]' || type === '[object HTMLCollection]')\n && ('length' in value)\n && (value.length === 0 || exports.node(value[0]));\n};\n\n/**\n * Check if argument is a string.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.string = function(value) {\n return typeof value === 'string'\n || value instanceof String;\n};\n\n/**\n * Check if argument is a function.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.fn = function(value) {\n var type = Object.prototype.toString.call(value);\n\n return type === '[object Function]';\n};\n\n\n/***/ }),\n\n/***/ 370:\n/***/ (function(module, __unused_webpack_exports, __webpack_require__) {\n\nvar is = __webpack_require__(879);\nvar delegate = __webpack_require__(438);\n\n/**\n * Validates all params and calls the right\n * listener function based on its target type.\n *\n * @param {String|HTMLElement|HTMLCollection|NodeList} target\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listen(target, type, callback) {\n if (!target && !type && !callback) {\n throw new Error('Missing required arguments');\n }\n\n if (!is.string(type)) {\n throw new TypeError('Second argument must be a String');\n }\n\n if (!is.fn(callback)) {\n throw new TypeError('Third argument must be a Function');\n }\n\n if (is.node(target)) {\n return listenNode(target, type, callback);\n }\n else if (is.nodeList(target)) {\n return listenNodeList(target, type, callback);\n }\n else if (is.string(target)) {\n return listenSelector(target, type, callback);\n }\n else {\n throw new TypeError('First argument must be a String, HTMLElement, HTMLCollection, or NodeList');\n }\n}\n\n/**\n * Adds an event listener to a HTML element\n * and returns a remove listener function.\n *\n * @param {HTMLElement} node\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listenNode(node, type, callback) {\n node.addEventListener(type, callback);\n\n return {\n destroy: function() {\n node.removeEventListener(type, callback);\n }\n }\n}\n\n/**\n * Add an event listener to a list of HTML elements\n * and returns a remove listener function.\n *\n * @param {NodeList|HTMLCollection} nodeList\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listenNodeList(nodeList, type, callback) {\n Array.prototype.forEach.call(nodeList, function(node) {\n node.addEventListener(type, callback);\n });\n\n return {\n destroy: function() {\n Array.prototype.forEach.call(nodeList, function(node) {\n node.removeEventListener(type, callback);\n });\n }\n }\n}\n\n/**\n * Add an event listener to a selector\n * and returns a remove listener function.\n *\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listenSelector(selector, type, callback) {\n return delegate(document.body, selector, type, callback);\n}\n\nmodule.exports = listen;\n\n\n/***/ }),\n\n/***/ 817:\n/***/ (function(module) {\n\nfunction select(element) {\n var selectedText;\n\n if (element.nodeName === 'SELECT') {\n element.focus();\n\n selectedText = element.value;\n }\n else if (element.nodeName === 'INPUT' || element.nodeName === 'TEXTAREA') {\n var isReadOnly = element.hasAttribute('readonly');\n\n if (!isReadOnly) {\n element.setAttribute('readonly', '');\n }\n\n element.select();\n element.setSelectionRange(0, element.value.length);\n\n if (!isReadOnly) {\n element.removeAttribute('readonly');\n }\n\n selectedText = element.value;\n }\n else {\n if (element.hasAttribute('contenteditable')) {\n element.focus();\n }\n\n var selection = window.getSelection();\n var range = document.createRange();\n\n range.selectNodeContents(element);\n selection.removeAllRanges();\n selection.addRange(range);\n\n selectedText = selection.toString();\n }\n\n return selectedText;\n}\n\nmodule.exports = select;\n\n\n/***/ }),\n\n/***/ 279:\n/***/ (function(module) {\n\nfunction E () {\n // Keep this empty so it's easier to inherit from\n // (via https://github.com/lipsmack from https://github.com/scottcorgan/tiny-emitter/issues/3)\n}\n\nE.prototype = {\n on: function (name, callback, ctx) {\n var e = this.e || (this.e = {});\n\n (e[name] || (e[name] = [])).push({\n fn: callback,\n ctx: ctx\n });\n\n return this;\n },\n\n once: function (name, callback, ctx) {\n var self = this;\n function listener () {\n self.off(name, listener);\n callback.apply(ctx, arguments);\n };\n\n listener._ = callback\n return this.on(name, listener, ctx);\n },\n\n emit: function (name) {\n var data = [].slice.call(arguments, 1);\n var evtArr = ((this.e || (this.e = {}))[name] || []).slice();\n var i = 0;\n var len = evtArr.length;\n\n for (i; i < len; i++) {\n evtArr[i].fn.apply(evtArr[i].ctx, data);\n }\n\n return this;\n },\n\n off: function (name, callback) {\n var e = this.e || (this.e = {});\n var evts = e[name];\n var liveEvents = [];\n\n if (evts && callback) {\n for (var i = 0, len = evts.length; i < len; i++) {\n if (evts[i].fn !== callback && evts[i].fn._ !== callback)\n liveEvents.push(evts[i]);\n }\n }\n\n // Remove event from queue to prevent memory leak\n // Suggested by https://github.com/lazd\n // Ref: https://github.com/scottcorgan/tiny-emitter/commit/c6ebfaa9bc973b33d110a84a307742b7cf94c953#commitcomment-5024910\n\n (liveEvents.length)\n ? e[name] = liveEvents\n : delete e[name];\n\n return this;\n }\n};\n\nmodule.exports = E;\nmodule.exports.TinyEmitter = E;\n\n\n/***/ })\n\n/******/ \t});\n/************************************************************************/\n/******/ \t// The module cache\n/******/ \tvar __webpack_module_cache__ = {};\n/******/ \t\n/******/ \t// The require function\n/******/ \tfunction __webpack_require__(moduleId) {\n/******/ \t\t// Check if module is in cache\n/******/ \t\tif(__webpack_module_cache__[moduleId]) {\n/******/ \t\t\treturn __webpack_module_cache__[moduleId].exports;\n/******/ \t\t}\n/******/ \t\t// Create a new module (and put it into the cache)\n/******/ \t\tvar module = __webpack_module_cache__[moduleId] = {\n/******/ \t\t\t// no module.id needed\n/******/ \t\t\t// no module.loaded needed\n/******/ \t\t\texports: {}\n/******/ \t\t};\n/******/ \t\n/******/ \t\t// Execute the module function\n/******/ \t\t__webpack_modules__[moduleId](module, module.exports, __webpack_require__);\n/******/ \t\n/******/ \t\t// Return the exports of the module\n/******/ \t\treturn module.exports;\n/******/ \t}\n/******/ \t\n/************************************************************************/\n/******/ \t/* webpack/runtime/compat get default export */\n/******/ \t!function() {\n/******/ \t\t// getDefaultExport function for compatibility with non-harmony modules\n/******/ \t\t__webpack_require__.n = function(module) {\n/******/ \t\t\tvar getter = module && module.__esModule ?\n/******/ \t\t\t\tfunction() { return module['default']; } :\n/******/ \t\t\t\tfunction() { return module; };\n/******/ \t\t\t__webpack_require__.d(getter, { a: getter });\n/******/ \t\t\treturn getter;\n/******/ \t\t};\n/******/ \t}();\n/******/ \t\n/******/ \t/* webpack/runtime/define property getters */\n/******/ \t!function() {\n/******/ \t\t// define getter functions for harmony exports\n/******/ \t\t__webpack_require__.d = function(exports, definition) {\n/******/ \t\t\tfor(var key in definition) {\n/******/ \t\t\t\tif(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) {\n/******/ \t\t\t\t\tObject.defineProperty(exports, key, { enumerable: true, get: definition[key] });\n/******/ \t\t\t\t}\n/******/ \t\t\t}\n/******/ \t\t};\n/******/ \t}();\n/******/ \t\n/******/ \t/* webpack/runtime/hasOwnProperty shorthand */\n/******/ \t!function() {\n/******/ \t\t__webpack_require__.o = function(obj, prop) { return Object.prototype.hasOwnProperty.call(obj, prop); }\n/******/ \t}();\n/******/ \t\n/************************************************************************/\n/******/ \t// module exports must be returned from runtime so entry inlining is disabled\n/******/ \t// startup\n/******/ \t// Load entry module and return exports\n/******/ \treturn __webpack_require__(686);\n/******/ })()\n.default;\n});", "/*!\n * escape-html\n * Copyright(c) 2012-2013 TJ Holowaychuk\n * Copyright(c) 2015 Andreas Lubbe\n * Copyright(c) 2015 Tiancheng \"Timothy\" Gu\n * MIT Licensed\n */\n\n'use strict';\n\n/**\n * Module variables.\n * @private\n */\n\nvar matchHtmlRegExp = /[\"'&<>]/;\n\n/**\n * Module exports.\n * @public\n */\n\nmodule.exports = escapeHtml;\n\n/**\n * Escape special characters in the given string of html.\n *\n * @param {string} string The string to escape for inserting into HTML\n * @return {string}\n * @public\n */\n\nfunction escapeHtml(string) {\n var str = '' + string;\n var match = matchHtmlRegExp.exec(str);\n\n if (!match) {\n return str;\n }\n\n var escape;\n var html = '';\n var index = 0;\n var lastIndex = 0;\n\n for (index = match.index; index < str.length; index++) {\n switch (str.charCodeAt(index)) {\n case 34: // \"\n escape = '"';\n break;\n case 38: // &\n escape = '&';\n break;\n case 39: // '\n escape = ''';\n break;\n case 60: // <\n escape = '<';\n break;\n case 62: // >\n escape = '>';\n break;\n default:\n continue;\n }\n\n if (lastIndex !== index) {\n html += str.substring(lastIndex, index);\n }\n\n lastIndex = index + 1;\n html += escape;\n }\n\n return lastIndex !== index\n ? html + str.substring(lastIndex, index)\n : html;\n}\n", "/*\n * Copyright (c) 2016-2024 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport \"focus-visible\"\n\nimport {\n EMPTY,\n NEVER,\n Observable,\n Subject,\n defer,\n delay,\n filter,\n map,\n merge,\n mergeWith,\n shareReplay,\n switchMap\n} from \"rxjs\"\n\nimport { configuration, feature } from \"./_\"\nimport {\n at,\n getActiveElement,\n getOptionalElement,\n requestJSON,\n setLocation,\n setToggle,\n watchDocument,\n watchKeyboard,\n watchLocation,\n watchLocationTarget,\n watchMedia,\n watchPrint,\n watchScript,\n watchViewport\n} from \"./browser\"\nimport {\n getComponentElement,\n getComponentElements,\n mountAnnounce,\n mountBackToTop,\n mountConsent,\n mountContent,\n mountDialog,\n mountHeader,\n mountHeaderTitle,\n mountPalette,\n mountProgress,\n mountSearch,\n mountSearchHiglight,\n mountSidebar,\n mountSource,\n mountTableOfContents,\n mountTabs,\n watchHeader,\n watchMain\n} from \"./components\"\nimport {\n SearchIndex,\n setupClipboardJS,\n setupInstantNavigation,\n setupVersionSelector\n} from \"./integrations\"\nimport {\n patchEllipsis,\n patchIndeterminate,\n patchScrollfix,\n patchScrolllock\n} from \"./patches\"\nimport \"./polyfills\"\n\n/* ----------------------------------------------------------------------------\n * Functions - @todo refactor\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch search index\n *\n * @returns Search index observable\n */\nfunction fetchSearchIndex(): Observable {\n if (location.protocol === \"file:\") {\n return watchScript(\n `${new URL(\"search/search_index.js\", config.base)}`\n )\n .pipe(\n // @ts-ignore - @todo fix typings\n map(() => __index),\n shareReplay(1)\n )\n } else {\n return requestJSON(\n new URL(\"search/search_index.json\", config.base)\n )\n }\n}\n\n/* ----------------------------------------------------------------------------\n * Application\n * ------------------------------------------------------------------------- */\n\n/* Yay, JavaScript is available */\ndocument.documentElement.classList.remove(\"no-js\")\ndocument.documentElement.classList.add(\"js\")\n\n/* Set up navigation observables and subjects */\nconst document$ = watchDocument()\nconst location$ = watchLocation()\nconst target$ = watchLocationTarget(location$)\nconst keyboard$ = watchKeyboard()\n\n/* Set up media observables */\nconst viewport$ = watchViewport()\nconst tablet$ = watchMedia(\"(min-width: 960px)\")\nconst screen$ = watchMedia(\"(min-width: 1220px)\")\nconst print$ = watchPrint()\n\n/* Retrieve search index, if search is enabled */\nconst config = configuration()\nconst index$ = document.forms.namedItem(\"search\")\n ? fetchSearchIndex()\n : NEVER\n\n/* Set up Clipboard.js integration */\nconst alert$ = new Subject()\nsetupClipboardJS({ alert$ })\n\n/* Set up progress indicator */\nconst progress$ = new Subject()\n\n/* Set up instant navigation, if enabled */\nif (feature(\"navigation.instant\"))\n setupInstantNavigation({ location$, viewport$, progress$ })\n .subscribe(document$)\n\n/* Set up version selector */\nif (config.version?.provider === \"mike\")\n setupVersionSelector({ document$ })\n\n/* Always close drawer and search on navigation */\nmerge(location$, target$)\n .pipe(\n delay(125)\n )\n .subscribe(() => {\n setToggle(\"drawer\", false)\n setToggle(\"search\", false)\n })\n\n/* Set up global keyboard handlers */\nkeyboard$\n .pipe(\n filter(({ mode }) => mode === \"global\")\n )\n .subscribe(key => {\n switch (key.type) {\n\n /* Go to previous page */\n case \"p\":\n case \",\":\n const prev = getOptionalElement(\"link[rel=prev]\")\n if (typeof prev !== \"undefined\")\n setLocation(prev)\n break\n\n /* Go to next page */\n case \"n\":\n case \".\":\n const next = getOptionalElement(\"link[rel=next]\")\n if (typeof next !== \"undefined\")\n setLocation(next)\n break\n\n /* Expand navigation, see https://bit.ly/3ZjG5io */\n case \"Enter\":\n const active = getActiveElement()\n if (active instanceof HTMLLabelElement)\n active.click()\n }\n })\n\n/* Set up patches */\npatchEllipsis({ viewport$, document$ })\npatchIndeterminate({ document$, tablet$ })\npatchScrollfix({ document$ })\npatchScrolllock({ viewport$, tablet$ })\n\n/* Set up header and main area observable */\nconst header$ = watchHeader(getComponentElement(\"header\"), { viewport$ })\nconst main$ = document$\n .pipe(\n map(() => getComponentElement(\"main\")),\n switchMap(el => watchMain(el, { viewport$, header$ })),\n shareReplay(1)\n )\n\n/* Set up control component observables */\nconst control$ = merge(\n\n /* Consent */\n ...getComponentElements(\"consent\")\n .map(el => mountConsent(el, { target$ })),\n\n /* Dialog */\n ...getComponentElements(\"dialog\")\n .map(el => mountDialog(el, { alert$ })),\n\n /* Header */\n ...getComponentElements(\"header\")\n .map(el => mountHeader(el, { viewport$, header$, main$ })),\n\n /* Color palette */\n ...getComponentElements(\"palette\")\n .map(el => mountPalette(el)),\n\n /* Progress bar */\n ...getComponentElements(\"progress\")\n .map(el => mountProgress(el, { progress$ })),\n\n /* Search */\n ...getComponentElements(\"search\")\n .map(el => mountSearch(el, { index$, keyboard$ })),\n\n /* Repository information */\n ...getComponentElements(\"source\")\n .map(el => mountSource(el))\n)\n\n/* Set up content component observables */\nconst content$ = defer(() => merge(\n\n /* Announcement bar */\n ...getComponentElements(\"announce\")\n .map(el => mountAnnounce(el)),\n\n /* Content */\n ...getComponentElements(\"content\")\n .map(el => mountContent(el, { viewport$, target$, print$ })),\n\n /* Search highlighting */\n ...getComponentElements(\"content\")\n .map(el => feature(\"search.highlight\")\n ? mountSearchHiglight(el, { index$, location$ })\n : EMPTY\n ),\n\n /* Header title */\n ...getComponentElements(\"header-title\")\n .map(el => mountHeaderTitle(el, { viewport$, header$ })),\n\n /* Sidebar */\n ...getComponentElements(\"sidebar\")\n .map(el => el.getAttribute(\"data-md-type\") === \"navigation\"\n ? at(screen$, () => mountSidebar(el, { viewport$, header$, main$ }))\n : at(tablet$, () => mountSidebar(el, { viewport$, header$, main$ }))\n ),\n\n /* Navigation tabs */\n ...getComponentElements(\"tabs\")\n .map(el => mountTabs(el, { viewport$, header$ })),\n\n /* Table of contents */\n ...getComponentElements(\"toc\")\n .map(el => mountTableOfContents(el, {\n viewport$, header$, main$, target$\n })),\n\n /* Back-to-top button */\n ...getComponentElements(\"top\")\n .map(el => mountBackToTop(el, { viewport$, header$, main$, target$ }))\n))\n\n/* Set up component observables */\nconst component$ = document$\n .pipe(\n switchMap(() => content$),\n mergeWith(control$),\n shareReplay(1)\n )\n\n/* Subscribe to all components */\ncomponent$.subscribe()\n\n/* ----------------------------------------------------------------------------\n * Exports\n * ------------------------------------------------------------------------- */\n\nwindow.document$ = document$ /* Document observable */\nwindow.location$ = location$ /* Location subject */\nwindow.target$ = target$ /* Location target observable */\nwindow.keyboard$ = keyboard$ /* Keyboard observable */\nwindow.viewport$ = viewport$ /* Viewport observable */\nwindow.tablet$ = tablet$ /* Media tablet observable */\nwindow.screen$ = screen$ /* Media screen observable */\nwindow.print$ = print$ /* Media print observable */\nwindow.alert$ = alert$ /* Alert subject */\nwindow.progress$ = progress$ /* Progress indicator subject */\nwindow.component$ = component$ /* Component observable */\n", "/*! *****************************************************************************\r\nCopyright (c) Microsoft Corporation.\r\n\r\nPermission to use, copy, modify, and/or distribute this software for any\r\npurpose with or without fee is hereby granted.\r\n\r\nTHE SOFTWARE IS PROVIDED \"AS IS\" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH\r\nREGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY\r\nAND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,\r\nINDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM\r\nLOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR\r\nOTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR\r\nPERFORMANCE OF THIS SOFTWARE.\r\n***************************************************************************** */\r\n/* global Reflect, Promise */\r\n\r\nvar extendStatics = function(d, b) {\r\n extendStatics = Object.setPrototypeOf ||\r\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\r\n function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };\r\n return extendStatics(d, b);\r\n};\r\n\r\nexport function __extends(d, b) {\r\n if (typeof b !== \"function\" && b !== null)\r\n throw new TypeError(\"Class extends value \" + String(b) + \" is not a constructor or null\");\r\n extendStatics(d, b);\r\n function __() { this.constructor = d; }\r\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\r\n}\r\n\r\nexport var __assign = function() {\r\n __assign = Object.assign || function __assign(t) {\r\n for (var s, i = 1, n = arguments.length; i < n; i++) {\r\n s = arguments[i];\r\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];\r\n }\r\n return t;\r\n }\r\n return __assign.apply(this, arguments);\r\n}\r\n\r\nexport function __rest(s, e) {\r\n var t = {};\r\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)\r\n t[p] = s[p];\r\n if (s != null && typeof Object.getOwnPropertySymbols === \"function\")\r\n for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {\r\n if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))\r\n t[p[i]] = s[p[i]];\r\n }\r\n return t;\r\n}\r\n\r\nexport function __decorate(decorators, target, key, desc) {\r\n var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;\r\n if (typeof Reflect === \"object\" && typeof Reflect.decorate === \"function\") r = Reflect.decorate(decorators, target, key, desc);\r\n else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\r\n return c > 3 && r && Object.defineProperty(target, key, r), r;\r\n}\r\n\r\nexport function __param(paramIndex, decorator) {\r\n return function (target, key) { decorator(target, key, paramIndex); }\r\n}\r\n\r\nexport function __metadata(metadataKey, metadataValue) {\r\n if (typeof Reflect === \"object\" && typeof Reflect.metadata === \"function\") return Reflect.metadata(metadataKey, metadataValue);\r\n}\r\n\r\nexport function __awaiter(thisArg, _arguments, P, generator) {\r\n function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }\r\n return new (P || (P = Promise))(function (resolve, reject) {\r\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\r\n function rejected(value) { try { step(generator[\"throw\"](value)); } catch (e) { reject(e); } }\r\n function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }\r\n step((generator = generator.apply(thisArg, _arguments || [])).next());\r\n });\r\n}\r\n\r\nexport function __generator(thisArg, body) {\r\n var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;\r\n return g = { next: verb(0), \"throw\": verb(1), \"return\": verb(2) }, typeof Symbol === \"function\" && (g[Symbol.iterator] = function() { return this; }), g;\r\n function verb(n) { return function (v) { return step([n, v]); }; }\r\n function step(op) {\r\n if (f) throw new TypeError(\"Generator is already executing.\");\r\n while (_) try {\r\n if (f = 1, y && (t = op[0] & 2 ? y[\"return\"] : op[0] ? y[\"throw\"] || ((t = y[\"return\"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;\r\n if (y = 0, t) op = [op[0] & 2, t.value];\r\n switch (op[0]) {\r\n case 0: case 1: t = op; break;\r\n case 4: _.label++; return { value: op[1], done: false };\r\n case 5: _.label++; y = op[1]; op = [0]; continue;\r\n case 7: op = _.ops.pop(); _.trys.pop(); continue;\r\n default:\r\n if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }\r\n if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }\r\n if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }\r\n if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }\r\n if (t[2]) _.ops.pop();\r\n _.trys.pop(); continue;\r\n }\r\n op = body.call(thisArg, _);\r\n } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }\r\n if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };\r\n }\r\n}\r\n\r\nexport var __createBinding = Object.create ? (function(o, m, k, k2) {\r\n if (k2 === undefined) k2 = k;\r\n Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });\r\n}) : (function(o, m, k, k2) {\r\n if (k2 === undefined) k2 = k;\r\n o[k2] = m[k];\r\n});\r\n\r\nexport function __exportStar(m, o) {\r\n for (var p in m) if (p !== \"default\" && !Object.prototype.hasOwnProperty.call(o, p)) __createBinding(o, m, p);\r\n}\r\n\r\nexport function __values(o) {\r\n var s = typeof Symbol === \"function\" && Symbol.iterator, m = s && o[s], i = 0;\r\n if (m) return m.call(o);\r\n if (o && typeof o.length === \"number\") return {\r\n next: function () {\r\n if (o && i >= o.length) o = void 0;\r\n return { value: o && o[i++], done: !o };\r\n }\r\n };\r\n throw new TypeError(s ? \"Object is not iterable.\" : \"Symbol.iterator is not defined.\");\r\n}\r\n\r\nexport function __read(o, n) {\r\n var m = typeof Symbol === \"function\" && o[Symbol.iterator];\r\n if (!m) return o;\r\n var i = m.call(o), r, ar = [], e;\r\n try {\r\n while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);\r\n }\r\n catch (error) { e = { error: error }; }\r\n finally {\r\n try {\r\n if (r && !r.done && (m = i[\"return\"])) m.call(i);\r\n }\r\n finally { if (e) throw e.error; }\r\n }\r\n return ar;\r\n}\r\n\r\n/** @deprecated */\r\nexport function __spread() {\r\n for (var ar = [], i = 0; i < arguments.length; i++)\r\n ar = ar.concat(__read(arguments[i]));\r\n return ar;\r\n}\r\n\r\n/** @deprecated */\r\nexport function __spreadArrays() {\r\n for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;\r\n for (var r = Array(s), k = 0, i = 0; i < il; i++)\r\n for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)\r\n r[k] = a[j];\r\n return r;\r\n}\r\n\r\nexport function __spreadArray(to, from, pack) {\r\n if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {\r\n if (ar || !(i in from)) {\r\n if (!ar) ar = Array.prototype.slice.call(from, 0, i);\r\n ar[i] = from[i];\r\n }\r\n }\r\n return to.concat(ar || Array.prototype.slice.call(from));\r\n}\r\n\r\nexport function __await(v) {\r\n return this instanceof __await ? (this.v = v, this) : new __await(v);\r\n}\r\n\r\nexport function __asyncGenerator(thisArg, _arguments, generator) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var g = generator.apply(thisArg, _arguments || []), i, q = [];\r\n return i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i;\r\n function verb(n) { if (g[n]) i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; }\r\n function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } }\r\n function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); }\r\n function fulfill(value) { resume(\"next\", value); }\r\n function reject(value) { resume(\"throw\", value); }\r\n function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); }\r\n}\r\n\r\nexport function __asyncDelegator(o) {\r\n var i, p;\r\n return i = {}, verb(\"next\"), verb(\"throw\", function (e) { throw e; }), verb(\"return\"), i[Symbol.iterator] = function () { return this; }, i;\r\n function verb(n, f) { i[n] = o[n] ? function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === \"return\" } : f ? f(v) : v; } : f; }\r\n}\r\n\r\nexport function __asyncValues(o) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var m = o[Symbol.asyncIterator], i;\r\n return m ? m.call(o) : (o = typeof __values === \"function\" ? __values(o) : o[Symbol.iterator](), i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i);\r\n function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }\r\n function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }\r\n}\r\n\r\nexport function __makeTemplateObject(cooked, raw) {\r\n if (Object.defineProperty) { Object.defineProperty(cooked, \"raw\", { value: raw }); } else { cooked.raw = raw; }\r\n return cooked;\r\n};\r\n\r\nvar __setModuleDefault = Object.create ? (function(o, v) {\r\n Object.defineProperty(o, \"default\", { enumerable: true, value: v });\r\n}) : function(o, v) {\r\n o[\"default\"] = v;\r\n};\r\n\r\nexport function __importStar(mod) {\r\n if (mod && mod.__esModule) return mod;\r\n var result = {};\r\n if (mod != null) for (var k in mod) if (k !== \"default\" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);\r\n __setModuleDefault(result, mod);\r\n return result;\r\n}\r\n\r\nexport function __importDefault(mod) {\r\n return (mod && mod.__esModule) ? mod : { default: mod };\r\n}\r\n\r\nexport function __classPrivateFieldGet(receiver, state, kind, f) {\r\n if (kind === \"a\" && !f) throw new TypeError(\"Private accessor was defined without a getter\");\r\n if (typeof state === \"function\" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError(\"Cannot read private member from an object whose class did not declare it\");\r\n return kind === \"m\" ? f : kind === \"a\" ? f.call(receiver) : f ? f.value : state.get(receiver);\r\n}\r\n\r\nexport function __classPrivateFieldSet(receiver, state, value, kind, f) {\r\n if (kind === \"m\") throw new TypeError(\"Private method is not writable\");\r\n if (kind === \"a\" && !f) throw new TypeError(\"Private accessor was defined without a setter\");\r\n if (typeof state === \"function\" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError(\"Cannot write private member to an object whose class did not declare it\");\r\n return (kind === \"a\" ? f.call(receiver, value) : f ? f.value = value : state.set(receiver, value)), value;\r\n}\r\n", "/**\n * Returns true if the object is a function.\n * @param value The value to check\n */\nexport function isFunction(value: any): value is (...args: any[]) => any {\n return typeof value === 'function';\n}\n", "/**\n * Used to create Error subclasses until the community moves away from ES5.\n *\n * This is because compiling from TypeScript down to ES5 has issues with subclassing Errors\n * as well as other built-in types: https://github.com/Microsoft/TypeScript/issues/12123\n *\n * @param createImpl A factory function to create the actual constructor implementation. The returned\n * function should be a named function that calls `_super` internally.\n */\nexport function createErrorClass(createImpl: (_super: any) => any): T {\n const _super = (instance: any) => {\n Error.call(instance);\n instance.stack = new Error().stack;\n };\n\n const ctorFunc = createImpl(_super);\n ctorFunc.prototype = Object.create(Error.prototype);\n ctorFunc.prototype.constructor = ctorFunc;\n return ctorFunc;\n}\n", "import { createErrorClass } from './createErrorClass';\n\nexport interface UnsubscriptionError extends Error {\n readonly errors: any[];\n}\n\nexport interface UnsubscriptionErrorCtor {\n /**\n * @deprecated Internal implementation detail. Do not construct error instances.\n * Cannot be tagged as internal: https://github.com/ReactiveX/rxjs/issues/6269\n */\n new (errors: any[]): UnsubscriptionError;\n}\n\n/**\n * An error thrown when one or more errors have occurred during the\n * `unsubscribe` of a {@link Subscription}.\n */\nexport const UnsubscriptionError: UnsubscriptionErrorCtor = createErrorClass(\n (_super) =>\n function UnsubscriptionErrorImpl(this: any, errors: (Error | string)[]) {\n _super(this);\n this.message = errors\n ? `${errors.length} errors occurred during unsubscription:\n${errors.map((err, i) => `${i + 1}) ${err.toString()}`).join('\\n ')}`\n : '';\n this.name = 'UnsubscriptionError';\n this.errors = errors;\n }\n);\n", "/**\n * Removes an item from an array, mutating it.\n * @param arr The array to remove the item from\n * @param item The item to remove\n */\nexport function arrRemove(arr: T[] | undefined | null, item: T) {\n if (arr) {\n const index = arr.indexOf(item);\n 0 <= index && arr.splice(index, 1);\n }\n}\n", "import { isFunction } from './util/isFunction';\nimport { UnsubscriptionError } from './util/UnsubscriptionError';\nimport { SubscriptionLike, TeardownLogic, Unsubscribable } from './types';\nimport { arrRemove } from './util/arrRemove';\n\n/**\n * Represents a disposable resource, such as the execution of an Observable. A\n * Subscription has one important method, `unsubscribe`, that takes no argument\n * and just disposes the resource held by the subscription.\n *\n * Additionally, subscriptions may be grouped together through the `add()`\n * method, which will attach a child Subscription to the current Subscription.\n * When a Subscription is unsubscribed, all its children (and its grandchildren)\n * will be unsubscribed as well.\n *\n * @class Subscription\n */\nexport class Subscription implements SubscriptionLike {\n /** @nocollapse */\n public static EMPTY = (() => {\n const empty = new Subscription();\n empty.closed = true;\n return empty;\n })();\n\n /**\n * A flag to indicate whether this Subscription has already been unsubscribed.\n */\n public closed = false;\n\n private _parentage: Subscription[] | Subscription | null = null;\n\n /**\n * The list of registered finalizers to execute upon unsubscription. Adding and removing from this\n * list occurs in the {@link #add} and {@link #remove} methods.\n */\n private _finalizers: Exclude[] | null = null;\n\n /**\n * @param initialTeardown A function executed first as part of the finalization\n * process that is kicked off when {@link #unsubscribe} is called.\n */\n constructor(private initialTeardown?: () => void) {}\n\n /**\n * Disposes the resources held by the subscription. May, for instance, cancel\n * an ongoing Observable execution or cancel any other type of work that\n * started when the Subscription was created.\n * @return {void}\n */\n unsubscribe(): void {\n let errors: any[] | undefined;\n\n if (!this.closed) {\n this.closed = true;\n\n // Remove this from it's parents.\n const { _parentage } = this;\n if (_parentage) {\n this._parentage = null;\n if (Array.isArray(_parentage)) {\n for (const parent of _parentage) {\n parent.remove(this);\n }\n } else {\n _parentage.remove(this);\n }\n }\n\n const { initialTeardown: initialFinalizer } = this;\n if (isFunction(initialFinalizer)) {\n try {\n initialFinalizer();\n } catch (e) {\n errors = e instanceof UnsubscriptionError ? e.errors : [e];\n }\n }\n\n const { _finalizers } = this;\n if (_finalizers) {\n this._finalizers = null;\n for (const finalizer of _finalizers) {\n try {\n execFinalizer(finalizer);\n } catch (err) {\n errors = errors ?? [];\n if (err instanceof UnsubscriptionError) {\n errors = [...errors, ...err.errors];\n } else {\n errors.push(err);\n }\n }\n }\n }\n\n if (errors) {\n throw new UnsubscriptionError(errors);\n }\n }\n }\n\n /**\n * Adds a finalizer to this subscription, so that finalization will be unsubscribed/called\n * when this subscription is unsubscribed. If this subscription is already {@link #closed},\n * because it has already been unsubscribed, then whatever finalizer is passed to it\n * will automatically be executed (unless the finalizer itself is also a closed subscription).\n *\n * Closed Subscriptions cannot be added as finalizers to any subscription. Adding a closed\n * subscription to a any subscription will result in no operation. (A noop).\n *\n * Adding a subscription to itself, or adding `null` or `undefined` will not perform any\n * operation at all. (A noop).\n *\n * `Subscription` instances that are added to this instance will automatically remove themselves\n * if they are unsubscribed. Functions and {@link Unsubscribable} objects that you wish to remove\n * will need to be removed manually with {@link #remove}\n *\n * @param teardown The finalization logic to add to this subscription.\n */\n add(teardown: TeardownLogic): void {\n // Only add the finalizer if it's not undefined\n // and don't add a subscription to itself.\n if (teardown && teardown !== this) {\n if (this.closed) {\n // If this subscription is already closed,\n // execute whatever finalizer is handed to it automatically.\n execFinalizer(teardown);\n } else {\n if (teardown instanceof Subscription) {\n // We don't add closed subscriptions, and we don't add the same subscription\n // twice. Subscription unsubscribe is idempotent.\n if (teardown.closed || teardown._hasParent(this)) {\n return;\n }\n teardown._addParent(this);\n }\n (this._finalizers = this._finalizers ?? []).push(teardown);\n }\n }\n }\n\n /**\n * Checks to see if a this subscription already has a particular parent.\n * This will signal that this subscription has already been added to the parent in question.\n * @param parent the parent to check for\n */\n private _hasParent(parent: Subscription) {\n const { _parentage } = this;\n return _parentage === parent || (Array.isArray(_parentage) && _parentage.includes(parent));\n }\n\n /**\n * Adds a parent to this subscription so it can be removed from the parent if it\n * unsubscribes on it's own.\n *\n * NOTE: THIS ASSUMES THAT {@link _hasParent} HAS ALREADY BEEN CHECKED.\n * @param parent The parent subscription to add\n */\n private _addParent(parent: Subscription) {\n const { _parentage } = this;\n this._parentage = Array.isArray(_parentage) ? (_parentage.push(parent), _parentage) : _parentage ? [_parentage, parent] : parent;\n }\n\n /**\n * Called on a child when it is removed via {@link #remove}.\n * @param parent The parent to remove\n */\n private _removeParent(parent: Subscription) {\n const { _parentage } = this;\n if (_parentage === parent) {\n this._parentage = null;\n } else if (Array.isArray(_parentage)) {\n arrRemove(_parentage, parent);\n }\n }\n\n /**\n * Removes a finalizer from this subscription that was previously added with the {@link #add} method.\n *\n * Note that `Subscription` instances, when unsubscribed, will automatically remove themselves\n * from every other `Subscription` they have been added to. This means that using the `remove` method\n * is not a common thing and should be used thoughtfully.\n *\n * If you add the same finalizer instance of a function or an unsubscribable object to a `Subscription` instance\n * more than once, you will need to call `remove` the same number of times to remove all instances.\n *\n * All finalizer instances are removed to free up memory upon unsubscription.\n *\n * @param teardown The finalizer to remove from this subscription\n */\n remove(teardown: Exclude): void {\n const { _finalizers } = this;\n _finalizers && arrRemove(_finalizers, teardown);\n\n if (teardown instanceof Subscription) {\n teardown._removeParent(this);\n }\n }\n}\n\nexport const EMPTY_SUBSCRIPTION = Subscription.EMPTY;\n\nexport function isSubscription(value: any): value is Subscription {\n return (\n value instanceof Subscription ||\n (value && 'closed' in value && isFunction(value.remove) && isFunction(value.add) && isFunction(value.unsubscribe))\n );\n}\n\nfunction execFinalizer(finalizer: Unsubscribable | (() => void)) {\n if (isFunction(finalizer)) {\n finalizer();\n } else {\n finalizer.unsubscribe();\n }\n}\n", "import { Subscriber } from './Subscriber';\nimport { ObservableNotification } from './types';\n\n/**\n * The {@link GlobalConfig} object for RxJS. It is used to configure things\n * like how to react on unhandled errors.\n */\nexport const config: GlobalConfig = {\n onUnhandledError: null,\n onStoppedNotification: null,\n Promise: undefined,\n useDeprecatedSynchronousErrorHandling: false,\n useDeprecatedNextContext: false,\n};\n\n/**\n * The global configuration object for RxJS, used to configure things\n * like how to react on unhandled errors. Accessible via {@link config}\n * object.\n */\nexport interface GlobalConfig {\n /**\n * A registration point for unhandled errors from RxJS. These are errors that\n * cannot were not handled by consuming code in the usual subscription path. For\n * example, if you have this configured, and you subscribe to an observable without\n * providing an error handler, errors from that subscription will end up here. This\n * will _always_ be called asynchronously on another job in the runtime. This is because\n * we do not want errors thrown in this user-configured handler to interfere with the\n * behavior of the library.\n */\n onUnhandledError: ((err: any) => void) | null;\n\n /**\n * A registration point for notifications that cannot be sent to subscribers because they\n * have completed, errored or have been explicitly unsubscribed. By default, next, complete\n * and error notifications sent to stopped subscribers are noops. However, sometimes callers\n * might want a different behavior. For example, with sources that attempt to report errors\n * to stopped subscribers, a caller can configure RxJS to throw an unhandled error instead.\n * This will _always_ be called asynchronously on another job in the runtime. This is because\n * we do not want errors thrown in this user-configured handler to interfere with the\n * behavior of the library.\n */\n onStoppedNotification: ((notification: ObservableNotification, subscriber: Subscriber) => void) | null;\n\n /**\n * The promise constructor used by default for {@link Observable#toPromise toPromise} and {@link Observable#forEach forEach}\n * methods.\n *\n * @deprecated As of version 8, RxJS will no longer support this sort of injection of a\n * Promise constructor. If you need a Promise implementation other than native promises,\n * please polyfill/patch Promise as you see appropriate. Will be removed in v8.\n */\n Promise?: PromiseConstructorLike;\n\n /**\n * If true, turns on synchronous error rethrowing, which is a deprecated behavior\n * in v6 and higher. This behavior enables bad patterns like wrapping a subscribe\n * call in a try/catch block. It also enables producer interference, a nasty bug\n * where a multicast can be broken for all observers by a downstream consumer with\n * an unhandled error. DO NOT USE THIS FLAG UNLESS IT'S NEEDED TO BUY TIME\n * FOR MIGRATION REASONS.\n *\n * @deprecated As of version 8, RxJS will no longer support synchronous throwing\n * of unhandled errors. All errors will be thrown on a separate call stack to prevent bad\n * behaviors described above. Will be removed in v8.\n */\n useDeprecatedSynchronousErrorHandling: boolean;\n\n /**\n * If true, enables an as-of-yet undocumented feature from v5: The ability to access\n * `unsubscribe()` via `this` context in `next` functions created in observers passed\n * to `subscribe`.\n *\n * This is being removed because the performance was severely problematic, and it could also cause\n * issues when types other than POJOs are passed to subscribe as subscribers, as they will likely have\n * their `this` context overwritten.\n *\n * @deprecated As of version 8, RxJS will no longer support altering the\n * context of next functions provided as part of an observer to Subscribe. Instead,\n * you will have access to a subscription or a signal or token that will allow you to do things like\n * unsubscribe and test closed status. Will be removed in v8.\n */\n useDeprecatedNextContext: boolean;\n}\n", "import type { TimerHandle } from './timerHandle';\ntype SetTimeoutFunction = (handler: () => void, timeout?: number, ...args: any[]) => TimerHandle;\ntype ClearTimeoutFunction = (handle: TimerHandle) => void;\n\ninterface TimeoutProvider {\n setTimeout: SetTimeoutFunction;\n clearTimeout: ClearTimeoutFunction;\n delegate:\n | {\n setTimeout: SetTimeoutFunction;\n clearTimeout: ClearTimeoutFunction;\n }\n | undefined;\n}\n\nexport const timeoutProvider: TimeoutProvider = {\n // When accessing the delegate, use the variable rather than `this` so that\n // the functions can be called without being bound to the provider.\n setTimeout(handler: () => void, timeout?: number, ...args) {\n const { delegate } = timeoutProvider;\n if (delegate?.setTimeout) {\n return delegate.setTimeout(handler, timeout, ...args);\n }\n return setTimeout(handler, timeout, ...args);\n },\n clearTimeout(handle) {\n const { delegate } = timeoutProvider;\n return (delegate?.clearTimeout || clearTimeout)(handle as any);\n },\n delegate: undefined,\n};\n", "import { config } from '../config';\nimport { timeoutProvider } from '../scheduler/timeoutProvider';\n\n/**\n * Handles an error on another job either with the user-configured {@link onUnhandledError},\n * or by throwing it on that new job so it can be picked up by `window.onerror`, `process.on('error')`, etc.\n *\n * This should be called whenever there is an error that is out-of-band with the subscription\n * or when an error hits a terminal boundary of the subscription and no error handler was provided.\n *\n * @param err the error to report\n */\nexport function reportUnhandledError(err: any) {\n timeoutProvider.setTimeout(() => {\n const { onUnhandledError } = config;\n if (onUnhandledError) {\n // Execute the user-configured error handler.\n onUnhandledError(err);\n } else {\n // Throw so it is picked up by the runtime's uncaught error mechanism.\n throw err;\n }\n });\n}\n", "/* tslint:disable:no-empty */\nexport function noop() { }\n", "import { CompleteNotification, NextNotification, ErrorNotification } from './types';\n\n/**\n * A completion object optimized for memory use and created to be the\n * same \"shape\" as other notifications in v8.\n * @internal\n */\nexport const COMPLETE_NOTIFICATION = (() => createNotification('C', undefined, undefined) as CompleteNotification)();\n\n/**\n * Internal use only. Creates an optimized error notification that is the same \"shape\"\n * as other notifications.\n * @internal\n */\nexport function errorNotification(error: any): ErrorNotification {\n return createNotification('E', undefined, error) as any;\n}\n\n/**\n * Internal use only. Creates an optimized next notification that is the same \"shape\"\n * as other notifications.\n * @internal\n */\nexport function nextNotification(value: T) {\n return createNotification('N', value, undefined) as NextNotification;\n}\n\n/**\n * Ensures that all notifications created internally have the same \"shape\" in v8.\n *\n * TODO: This is only exported to support a crazy legacy test in `groupBy`.\n * @internal\n */\nexport function createNotification(kind: 'N' | 'E' | 'C', value: any, error: any) {\n return {\n kind,\n value,\n error,\n };\n}\n", "import { config } from '../config';\n\nlet context: { errorThrown: boolean; error: any } | null = null;\n\n/**\n * Handles dealing with errors for super-gross mode. Creates a context, in which\n * any synchronously thrown errors will be passed to {@link captureError}. Which\n * will record the error such that it will be rethrown after the call back is complete.\n * TODO: Remove in v8\n * @param cb An immediately executed function.\n */\nexport function errorContext(cb: () => void) {\n if (config.useDeprecatedSynchronousErrorHandling) {\n const isRoot = !context;\n if (isRoot) {\n context = { errorThrown: false, error: null };\n }\n cb();\n if (isRoot) {\n const { errorThrown, error } = context!;\n context = null;\n if (errorThrown) {\n throw error;\n }\n }\n } else {\n // This is the general non-deprecated path for everyone that\n // isn't crazy enough to use super-gross mode (useDeprecatedSynchronousErrorHandling)\n cb();\n }\n}\n\n/**\n * Captures errors only in super-gross mode.\n * @param err the error to capture\n */\nexport function captureError(err: any) {\n if (config.useDeprecatedSynchronousErrorHandling && context) {\n context.errorThrown = true;\n context.error = err;\n }\n}\n", "import { isFunction } from './util/isFunction';\nimport { Observer, ObservableNotification } from './types';\nimport { isSubscription, Subscription } from './Subscription';\nimport { config } from './config';\nimport { reportUnhandledError } from './util/reportUnhandledError';\nimport { noop } from './util/noop';\nimport { nextNotification, errorNotification, COMPLETE_NOTIFICATION } from './NotificationFactories';\nimport { timeoutProvider } from './scheduler/timeoutProvider';\nimport { captureError } from './util/errorContext';\n\n/**\n * Implements the {@link Observer} interface and extends the\n * {@link Subscription} class. While the {@link Observer} is the public API for\n * consuming the values of an {@link Observable}, all Observers get converted to\n * a Subscriber, in order to provide Subscription-like capabilities such as\n * `unsubscribe`. Subscriber is a common type in RxJS, and crucial for\n * implementing operators, but it is rarely used as a public API.\n *\n * @class Subscriber\n */\nexport class Subscriber extends Subscription implements Observer {\n /**\n * A static factory for a Subscriber, given a (potentially partial) definition\n * of an Observer.\n * @param next The `next` callback of an Observer.\n * @param error The `error` callback of an\n * Observer.\n * @param complete The `complete` callback of an\n * Observer.\n * @return A Subscriber wrapping the (partially defined)\n * Observer represented by the given arguments.\n * @nocollapse\n * @deprecated Do not use. Will be removed in v8. There is no replacement for this\n * method, and there is no reason to be creating instances of `Subscriber` directly.\n * If you have a specific use case, please file an issue.\n */\n static create(next?: (x?: T) => void, error?: (e?: any) => void, complete?: () => void): Subscriber {\n return new SafeSubscriber(next, error, complete);\n }\n\n /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n protected isStopped: boolean = false;\n /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n protected destination: Subscriber | Observer; // this `any` is the escape hatch to erase extra type param (e.g. R)\n\n /**\n * @deprecated Internal implementation detail, do not use directly. Will be made internal in v8.\n * There is no reason to directly create an instance of Subscriber. This type is exported for typings reasons.\n */\n constructor(destination?: Subscriber | Observer) {\n super();\n if (destination) {\n this.destination = destination;\n // Automatically chain subscriptions together here.\n // if destination is a Subscription, then it is a Subscriber.\n if (isSubscription(destination)) {\n destination.add(this);\n }\n } else {\n this.destination = EMPTY_OBSERVER;\n }\n }\n\n /**\n * The {@link Observer} callback to receive notifications of type `next` from\n * the Observable, with a value. The Observable may call this method 0 or more\n * times.\n * @param {T} [value] The `next` value.\n * @return {void}\n */\n next(value?: T): void {\n if (this.isStopped) {\n handleStoppedNotification(nextNotification(value), this);\n } else {\n this._next(value!);\n }\n }\n\n /**\n * The {@link Observer} callback to receive notifications of type `error` from\n * the Observable, with an attached `Error`. Notifies the Observer that\n * the Observable has experienced an error condition.\n * @param {any} [err] The `error` exception.\n * @return {void}\n */\n error(err?: any): void {\n if (this.isStopped) {\n handleStoppedNotification(errorNotification(err), this);\n } else {\n this.isStopped = true;\n this._error(err);\n }\n }\n\n /**\n * The {@link Observer} callback to receive a valueless notification of type\n * `complete` from the Observable. Notifies the Observer that the Observable\n * has finished sending push-based notifications.\n * @return {void}\n */\n complete(): void {\n if (this.isStopped) {\n handleStoppedNotification(COMPLETE_NOTIFICATION, this);\n } else {\n this.isStopped = true;\n this._complete();\n }\n }\n\n unsubscribe(): void {\n if (!this.closed) {\n this.isStopped = true;\n super.unsubscribe();\n this.destination = null!;\n }\n }\n\n protected _next(value: T): void {\n this.destination.next(value);\n }\n\n protected _error(err: any): void {\n try {\n this.destination.error(err);\n } finally {\n this.unsubscribe();\n }\n }\n\n protected _complete(): void {\n try {\n this.destination.complete();\n } finally {\n this.unsubscribe();\n }\n }\n}\n\n/**\n * This bind is captured here because we want to be able to have\n * compatibility with monoid libraries that tend to use a method named\n * `bind`. In particular, a library called Monio requires this.\n */\nconst _bind = Function.prototype.bind;\n\nfunction bind any>(fn: Fn, thisArg: any): Fn {\n return _bind.call(fn, thisArg);\n}\n\n/**\n * Internal optimization only, DO NOT EXPOSE.\n * @internal\n */\nclass ConsumerObserver implements Observer {\n constructor(private partialObserver: Partial>) {}\n\n next(value: T): void {\n const { partialObserver } = this;\n if (partialObserver.next) {\n try {\n partialObserver.next(value);\n } catch (error) {\n handleUnhandledError(error);\n }\n }\n }\n\n error(err: any): void {\n const { partialObserver } = this;\n if (partialObserver.error) {\n try {\n partialObserver.error(err);\n } catch (error) {\n handleUnhandledError(error);\n }\n } else {\n handleUnhandledError(err);\n }\n }\n\n complete(): void {\n const { partialObserver } = this;\n if (partialObserver.complete) {\n try {\n partialObserver.complete();\n } catch (error) {\n handleUnhandledError(error);\n }\n }\n }\n}\n\nexport class SafeSubscriber extends Subscriber {\n constructor(\n observerOrNext?: Partial> | ((value: T) => void) | null,\n error?: ((e?: any) => void) | null,\n complete?: (() => void) | null\n ) {\n super();\n\n let partialObserver: Partial>;\n if (isFunction(observerOrNext) || !observerOrNext) {\n // The first argument is a function, not an observer. The next\n // two arguments *could* be observers, or they could be empty.\n partialObserver = {\n next: (observerOrNext ?? undefined) as (((value: T) => void) | undefined),\n error: error ?? undefined,\n complete: complete ?? undefined,\n };\n } else {\n // The first argument is a partial observer.\n let context: any;\n if (this && config.useDeprecatedNextContext) {\n // This is a deprecated path that made `this.unsubscribe()` available in\n // next handler functions passed to subscribe. This only exists behind a flag\n // now, as it is *very* slow.\n context = Object.create(observerOrNext);\n context.unsubscribe = () => this.unsubscribe();\n partialObserver = {\n next: observerOrNext.next && bind(observerOrNext.next, context),\n error: observerOrNext.error && bind(observerOrNext.error, context),\n complete: observerOrNext.complete && bind(observerOrNext.complete, context),\n };\n } else {\n // The \"normal\" path. Just use the partial observer directly.\n partialObserver = observerOrNext;\n }\n }\n\n // Wrap the partial observer to ensure it's a full observer, and\n // make sure proper error handling is accounted for.\n this.destination = new ConsumerObserver(partialObserver);\n }\n}\n\nfunction handleUnhandledError(error: any) {\n if (config.useDeprecatedSynchronousErrorHandling) {\n captureError(error);\n } else {\n // Ideal path, we report this as an unhandled error,\n // which is thrown on a new call stack.\n reportUnhandledError(error);\n }\n}\n\n/**\n * An error handler used when no error handler was supplied\n * to the SafeSubscriber -- meaning no error handler was supplied\n * do the `subscribe` call on our observable.\n * @param err The error to handle\n */\nfunction defaultErrorHandler(err: any) {\n throw err;\n}\n\n/**\n * A handler for notifications that cannot be sent to a stopped subscriber.\n * @param notification The notification being sent\n * @param subscriber The stopped subscriber\n */\nfunction handleStoppedNotification(notification: ObservableNotification, subscriber: Subscriber) {\n const { onStoppedNotification } = config;\n onStoppedNotification && timeoutProvider.setTimeout(() => onStoppedNotification(notification, subscriber));\n}\n\n/**\n * The observer used as a stub for subscriptions where the user did not\n * pass any arguments to `subscribe`. Comes with the default error handling\n * behavior.\n */\nexport const EMPTY_OBSERVER: Readonly> & { closed: true } = {\n closed: true,\n next: noop,\n error: defaultErrorHandler,\n complete: noop,\n};\n", "/**\n * Symbol.observable or a string \"@@observable\". Used for interop\n *\n * @deprecated We will no longer be exporting this symbol in upcoming versions of RxJS.\n * Instead polyfill and use Symbol.observable directly *or* use https://www.npmjs.com/package/symbol-observable\n */\nexport const observable: string | symbol = (() => (typeof Symbol === 'function' && Symbol.observable) || '@@observable')();\n", "/**\n * This function takes one parameter and just returns it. Simply put,\n * this is like `(x: T): T => x`.\n *\n * ## Examples\n *\n * This is useful in some cases when using things like `mergeMap`\n *\n * ```ts\n * import { interval, take, map, range, mergeMap, identity } from 'rxjs';\n *\n * const source$ = interval(1000).pipe(take(5));\n *\n * const result$ = source$.pipe(\n * map(i => range(i)),\n * mergeMap(identity) // same as mergeMap(x => x)\n * );\n *\n * result$.subscribe({\n * next: console.log\n * });\n * ```\n *\n * Or when you want to selectively apply an operator\n *\n * ```ts\n * import { interval, take, identity } from 'rxjs';\n *\n * const shouldLimit = () => Math.random() < 0.5;\n *\n * const source$ = interval(1000);\n *\n * const result$ = source$.pipe(shouldLimit() ? take(5) : identity);\n *\n * result$.subscribe({\n * next: console.log\n * });\n * ```\n *\n * @param x Any value that is returned by this function\n * @returns The value passed as the first parameter to this function\n */\nexport function identity(x: T): T {\n return x;\n}\n", "import { identity } from './identity';\nimport { UnaryFunction } from '../types';\n\nexport function pipe(): typeof identity;\nexport function pipe(fn1: UnaryFunction): UnaryFunction;\nexport function pipe(fn1: UnaryFunction, fn2: UnaryFunction): UnaryFunction;\nexport function pipe(fn1: UnaryFunction, fn2: UnaryFunction, fn3: UnaryFunction): UnaryFunction;\nexport function pipe(\n fn1: UnaryFunction,\n fn2: UnaryFunction,\n fn3: UnaryFunction,\n fn4: UnaryFunction\n): UnaryFunction;\nexport function pipe(\n fn1: UnaryFunction,\n fn2: UnaryFunction,\n fn3: UnaryFunction,\n fn4: UnaryFunction,\n fn5: UnaryFunction\n): UnaryFunction;\nexport function pipe(\n fn1: UnaryFunction,\n fn2: UnaryFunction,\n fn3: UnaryFunction,\n fn4: UnaryFunction,\n fn5: UnaryFunction,\n fn6: UnaryFunction\n): UnaryFunction;\nexport function pipe(\n fn1: UnaryFunction,\n fn2: UnaryFunction,\n fn3: UnaryFunction,\n fn4: UnaryFunction,\n fn5: UnaryFunction,\n fn6: UnaryFunction,\n fn7: UnaryFunction\n): UnaryFunction;\nexport function pipe(\n fn1: UnaryFunction,\n fn2: UnaryFunction,\n fn3: UnaryFunction,\n fn4: UnaryFunction,\n fn5: UnaryFunction,\n fn6: UnaryFunction,\n fn7: UnaryFunction,\n fn8: UnaryFunction\n): UnaryFunction;\nexport function pipe(\n fn1: UnaryFunction,\n fn2: UnaryFunction,\n fn3: UnaryFunction,\n fn4: UnaryFunction,\n fn5: UnaryFunction,\n fn6: UnaryFunction,\n fn7: UnaryFunction,\n fn8: UnaryFunction,\n fn9: UnaryFunction\n): UnaryFunction;\nexport function pipe(\n fn1: UnaryFunction,\n fn2: UnaryFunction,\n fn3: UnaryFunction,\n fn4: UnaryFunction,\n fn5: UnaryFunction,\n fn6: UnaryFunction,\n fn7: UnaryFunction,\n fn8: UnaryFunction,\n fn9: UnaryFunction,\n ...fns: UnaryFunction[]\n): UnaryFunction;\n\n/**\n * pipe() can be called on one or more functions, each of which can take one argument (\"UnaryFunction\")\n * and uses it to return a value.\n * It returns a function that takes one argument, passes it to the first UnaryFunction, and then\n * passes the result to the next one, passes that result to the next one, and so on. \n */\nexport function pipe(...fns: Array>): UnaryFunction {\n return pipeFromArray(fns);\n}\n\n/** @internal */\nexport function pipeFromArray(fns: Array>): UnaryFunction {\n if (fns.length === 0) {\n return identity as UnaryFunction;\n }\n\n if (fns.length === 1) {\n return fns[0];\n }\n\n return function piped(input: T): R {\n return fns.reduce((prev: any, fn: UnaryFunction) => fn(prev), input as any);\n };\n}\n", "import { Operator } from './Operator';\nimport { SafeSubscriber, Subscriber } from './Subscriber';\nimport { isSubscription, Subscription } from './Subscription';\nimport { TeardownLogic, OperatorFunction, Subscribable, Observer } from './types';\nimport { observable as Symbol_observable } from './symbol/observable';\nimport { pipeFromArray } from './util/pipe';\nimport { config } from './config';\nimport { isFunction } from './util/isFunction';\nimport { errorContext } from './util/errorContext';\n\n/**\n * A representation of any set of values over any amount of time. This is the most basic building block\n * of RxJS.\n *\n * @class Observable\n */\nexport class Observable implements Subscribable {\n /**\n * @deprecated Internal implementation detail, do not use directly. Will be made internal in v8.\n */\n source: Observable | undefined;\n\n /**\n * @deprecated Internal implementation detail, do not use directly. Will be made internal in v8.\n */\n operator: Operator | undefined;\n\n /**\n * @constructor\n * @param {Function} subscribe the function that is called when the Observable is\n * initially subscribed to. This function is given a Subscriber, to which new values\n * can be `next`ed, or an `error` method can be called to raise an error, or\n * `complete` can be called to notify of a successful completion.\n */\n constructor(subscribe?: (this: Observable, subscriber: Subscriber) => TeardownLogic) {\n if (subscribe) {\n this._subscribe = subscribe;\n }\n }\n\n // HACK: Since TypeScript inherits static properties too, we have to\n // fight against TypeScript here so Subject can have a different static create signature\n /**\n * Creates a new Observable by calling the Observable constructor\n * @owner Observable\n * @method create\n * @param {Function} subscribe? the subscriber function to be passed to the Observable constructor\n * @return {Observable} a new observable\n * @nocollapse\n * @deprecated Use `new Observable()` instead. Will be removed in v8.\n */\n static create: (...args: any[]) => any = (subscribe?: (subscriber: Subscriber) => TeardownLogic) => {\n return new Observable(subscribe);\n };\n\n /**\n * Creates a new Observable, with this Observable instance as the source, and the passed\n * operator defined as the new observable's operator.\n * @method lift\n * @param operator the operator defining the operation to take on the observable\n * @return a new observable with the Operator applied\n * @deprecated Internal implementation detail, do not use directly. Will be made internal in v8.\n * If you have implemented an operator using `lift`, it is recommended that you create an\n * operator by simply returning `new Observable()` directly. See \"Creating new operators from\n * scratch\" section here: https://rxjs.dev/guide/operators\n */\n lift(operator?: Operator): Observable {\n const observable = new Observable();\n observable.source = this;\n observable.operator = operator;\n return observable;\n }\n\n subscribe(observerOrNext?: Partial> | ((value: T) => void)): Subscription;\n /** @deprecated Instead of passing separate callback arguments, use an observer argument. Signatures taking separate callback arguments will be removed in v8. Details: https://rxjs.dev/deprecations/subscribe-arguments */\n subscribe(next?: ((value: T) => void) | null, error?: ((error: any) => void) | null, complete?: (() => void) | null): Subscription;\n /**\n * Invokes an execution of an Observable and registers Observer handlers for notifications it will emit.\n *\n * Use it when you have all these Observables, but still nothing is happening.\n *\n * `subscribe` is not a regular operator, but a method that calls Observable's internal `subscribe` function. It\n * might be for example a function that you passed to Observable's constructor, but most of the time it is\n * a library implementation, which defines what will be emitted by an Observable, and when it be will emitted. This means\n * that calling `subscribe` is actually the moment when Observable starts its work, not when it is created, as it is often\n * the thought.\n *\n * Apart from starting the execution of an Observable, this method allows you to listen for values\n * that an Observable emits, as well as for when it completes or errors. You can achieve this in two\n * of the following ways.\n *\n * The first way is creating an object that implements {@link Observer} interface. It should have methods\n * defined by that interface, but note that it should be just a regular JavaScript object, which you can create\n * yourself in any way you want (ES6 class, classic function constructor, object literal etc.). In particular, do\n * not attempt to use any RxJS implementation details to create Observers - you don't need them. Remember also\n * that your object does not have to implement all methods. If you find yourself creating a method that doesn't\n * do anything, you can simply omit it. Note however, if the `error` method is not provided and an error happens,\n * it will be thrown asynchronously. Errors thrown asynchronously cannot be caught using `try`/`catch`. Instead,\n * use the {@link onUnhandledError} configuration option or use a runtime handler (like `window.onerror` or\n * `process.on('error)`) to be notified of unhandled errors. Because of this, it's recommended that you provide\n * an `error` method to avoid missing thrown errors.\n *\n * The second way is to give up on Observer object altogether and simply provide callback functions in place of its methods.\n * This means you can provide three functions as arguments to `subscribe`, where the first function is equivalent\n * of a `next` method, the second of an `error` method and the third of a `complete` method. Just as in case of an Observer,\n * if you do not need to listen for something, you can omit a function by passing `undefined` or `null`,\n * since `subscribe` recognizes these functions by where they were placed in function call. When it comes\n * to the `error` function, as with an Observer, if not provided, errors emitted by an Observable will be thrown asynchronously.\n *\n * You can, however, subscribe with no parameters at all. This may be the case where you're not interested in terminal events\n * and you also handled emissions internally by using operators (e.g. using `tap`).\n *\n * Whichever style of calling `subscribe` you use, in both cases it returns a Subscription object.\n * This object allows you to call `unsubscribe` on it, which in turn will stop the work that an Observable does and will clean\n * up all resources that an Observable used. Note that cancelling a subscription will not call `complete` callback\n * provided to `subscribe` function, which is reserved for a regular completion signal that comes from an Observable.\n *\n * Remember that callbacks provided to `subscribe` are not guaranteed to be called asynchronously.\n * It is an Observable itself that decides when these functions will be called. For example {@link of}\n * by default emits all its values synchronously. Always check documentation for how given Observable\n * will behave when subscribed and if its default behavior can be modified with a `scheduler`.\n *\n * #### Examples\n *\n * Subscribe with an {@link guide/observer Observer}\n *\n * ```ts\n * import { of } from 'rxjs';\n *\n * const sumObserver = {\n * sum: 0,\n * next(value) {\n * console.log('Adding: ' + value);\n * this.sum = this.sum + value;\n * },\n * error() {\n * // We actually could just remove this method,\n * // since we do not really care about errors right now.\n * },\n * complete() {\n * console.log('Sum equals: ' + this.sum);\n * }\n * };\n *\n * of(1, 2, 3) // Synchronously emits 1, 2, 3 and then completes.\n * .subscribe(sumObserver);\n *\n * // Logs:\n * // 'Adding: 1'\n * // 'Adding: 2'\n * // 'Adding: 3'\n * // 'Sum equals: 6'\n * ```\n *\n * Subscribe with functions ({@link deprecations/subscribe-arguments deprecated})\n *\n * ```ts\n * import { of } from 'rxjs'\n *\n * let sum = 0;\n *\n * of(1, 2, 3).subscribe(\n * value => {\n * console.log('Adding: ' + value);\n * sum = sum + value;\n * },\n * undefined,\n * () => console.log('Sum equals: ' + sum)\n * );\n *\n * // Logs:\n * // 'Adding: 1'\n * // 'Adding: 2'\n * // 'Adding: 3'\n * // 'Sum equals: 6'\n * ```\n *\n * Cancel a subscription\n *\n * ```ts\n * import { interval } from 'rxjs';\n *\n * const subscription = interval(1000).subscribe({\n * next(num) {\n * console.log(num)\n * },\n * complete() {\n * // Will not be called, even when cancelling subscription.\n * console.log('completed!');\n * }\n * });\n *\n * setTimeout(() => {\n * subscription.unsubscribe();\n * console.log('unsubscribed!');\n * }, 2500);\n *\n * // Logs:\n * // 0 after 1s\n * // 1 after 2s\n * // 'unsubscribed!' after 2.5s\n * ```\n *\n * @param {Observer|Function} observerOrNext (optional) Either an observer with methods to be called,\n * or the first of three possible handlers, which is the handler for each value emitted from the subscribed\n * Observable.\n * @param {Function} error (optional) A handler for a terminal event resulting from an error. If no error handler is provided,\n * the error will be thrown asynchronously as unhandled.\n * @param {Function} complete (optional) A handler for a terminal event resulting from successful completion.\n * @return {Subscription} a subscription reference to the registered handlers\n * @method subscribe\n */\n subscribe(\n observerOrNext?: Partial> | ((value: T) => void) | null,\n error?: ((error: any) => void) | null,\n complete?: (() => void) | null\n ): Subscription {\n const subscriber = isSubscriber(observerOrNext) ? observerOrNext : new SafeSubscriber(observerOrNext, error, complete);\n\n errorContext(() => {\n const { operator, source } = this;\n subscriber.add(\n operator\n ? // We're dealing with a subscription in the\n // operator chain to one of our lifted operators.\n operator.call(subscriber, source)\n : source\n ? // If `source` has a value, but `operator` does not, something that\n // had intimate knowledge of our API, like our `Subject`, must have\n // set it. We're going to just call `_subscribe` directly.\n this._subscribe(subscriber)\n : // In all other cases, we're likely wrapping a user-provided initializer\n // function, so we need to catch errors and handle them appropriately.\n this._trySubscribe(subscriber)\n );\n });\n\n return subscriber;\n }\n\n /** @internal */\n protected _trySubscribe(sink: Subscriber): TeardownLogic {\n try {\n return this._subscribe(sink);\n } catch (err) {\n // We don't need to return anything in this case,\n // because it's just going to try to `add()` to a subscription\n // above.\n sink.error(err);\n }\n }\n\n /**\n * Used as a NON-CANCELLABLE means of subscribing to an observable, for use with\n * APIs that expect promises, like `async/await`. You cannot unsubscribe from this.\n *\n * **WARNING**: Only use this with observables you *know* will complete. If the source\n * observable does not complete, you will end up with a promise that is hung up, and\n * potentially all of the state of an async function hanging out in memory. To avoid\n * this situation, look into adding something like {@link timeout}, {@link take},\n * {@link takeWhile}, or {@link takeUntil} amongst others.\n *\n * #### Example\n *\n * ```ts\n * import { interval, take } from 'rxjs';\n *\n * const source$ = interval(1000).pipe(take(4));\n *\n * async function getTotal() {\n * let total = 0;\n *\n * await source$.forEach(value => {\n * total += value;\n * console.log('observable -> ' + value);\n * });\n *\n * return total;\n * }\n *\n * getTotal().then(\n * total => console.log('Total: ' + total)\n * );\n *\n * // Expected:\n * // 'observable -> 0'\n * // 'observable -> 1'\n * // 'observable -> 2'\n * // 'observable -> 3'\n * // 'Total: 6'\n * ```\n *\n * @param next a handler for each value emitted by the observable\n * @return a promise that either resolves on observable completion or\n * rejects with the handled error\n */\n forEach(next: (value: T) => void): Promise;\n\n /**\n * @param next a handler for each value emitted by the observable\n * @param promiseCtor a constructor function used to instantiate the Promise\n * @return a promise that either resolves on observable completion or\n * rejects with the handled error\n * @deprecated Passing a Promise constructor will no longer be available\n * in upcoming versions of RxJS. This is because it adds weight to the library, for very\n * little benefit. If you need this functionality, it is recommended that you either\n * polyfill Promise, or you create an adapter to convert the returned native promise\n * to whatever promise implementation you wanted. Will be removed in v8.\n */\n forEach(next: (value: T) => void, promiseCtor: PromiseConstructorLike): Promise;\n\n forEach(next: (value: T) => void, promiseCtor?: PromiseConstructorLike): Promise {\n promiseCtor = getPromiseCtor(promiseCtor);\n\n return new promiseCtor((resolve, reject) => {\n const subscriber = new SafeSubscriber({\n next: (value) => {\n try {\n next(value);\n } catch (err) {\n reject(err);\n subscriber.unsubscribe();\n }\n },\n error: reject,\n complete: resolve,\n });\n this.subscribe(subscriber);\n }) as Promise;\n }\n\n /** @internal */\n protected _subscribe(subscriber: Subscriber): TeardownLogic {\n return this.source?.subscribe(subscriber);\n }\n\n /**\n * An interop point defined by the es7-observable spec https://github.com/zenparsing/es-observable\n * @method Symbol.observable\n * @return {Observable} this instance of the observable\n */\n [Symbol_observable]() {\n return this;\n }\n\n /* tslint:disable:max-line-length */\n pipe(): Observable;\n pipe(op1: OperatorFunction): Observable;\n pipe(op1: OperatorFunction, op2: OperatorFunction): Observable;\n pipe(op1: OperatorFunction, op2: OperatorFunction, op3: OperatorFunction): Observable;\n pipe(\n op1: OperatorFunction,\n op2: OperatorFunction,\n op3: OperatorFunction,\n op4: OperatorFunction\n ): Observable;\n pipe(\n op1: OperatorFunction,\n op2: OperatorFunction,\n op3: OperatorFunction,\n op4: OperatorFunction,\n op5: OperatorFunction\n ): Observable;\n pipe(\n op1: OperatorFunction,\n op2: OperatorFunction,\n op3: OperatorFunction,\n op4: OperatorFunction,\n op5: OperatorFunction,\n op6: OperatorFunction\n ): Observable;\n pipe(\n op1: OperatorFunction,\n op2: OperatorFunction,\n op3: OperatorFunction,\n op4: OperatorFunction,\n op5: OperatorFunction,\n op6: OperatorFunction,\n op7: OperatorFunction\n ): Observable;\n pipe(\n op1: OperatorFunction,\n op2: OperatorFunction,\n op3: OperatorFunction,\n op4: OperatorFunction,\n op5: OperatorFunction,\n op6: OperatorFunction,\n op7: OperatorFunction,\n op8: OperatorFunction\n ): Observable;\n pipe(\n op1: OperatorFunction,\n op2: OperatorFunction,\n op3: OperatorFunction,\n op4: OperatorFunction,\n op5: OperatorFunction,\n op6: OperatorFunction,\n op7: OperatorFunction,\n op8: OperatorFunction,\n op9: OperatorFunction\n ): Observable;\n pipe(\n op1: OperatorFunction,\n op2: OperatorFunction,\n op3: OperatorFunction,\n op4: OperatorFunction,\n op5: OperatorFunction,\n op6: OperatorFunction,\n op7: OperatorFunction,\n op8: OperatorFunction,\n op9: OperatorFunction,\n ...operations: OperatorFunction[]\n ): Observable;\n /* tslint:enable:max-line-length */\n\n /**\n * Used to stitch together functional operators into a chain.\n * @method pipe\n * @return {Observable} the Observable result of all of the operators having\n * been called in the order they were passed in.\n *\n * ## Example\n *\n * ```ts\n * import { interval, filter, map, scan } from 'rxjs';\n *\n * interval(1000)\n * .pipe(\n * filter(x => x % 2 === 0),\n * map(x => x + x),\n * scan((acc, x) => acc + x)\n * )\n * .subscribe(x => console.log(x));\n * ```\n */\n pipe(...operations: OperatorFunction[]): Observable {\n return pipeFromArray(operations)(this);\n }\n\n /* tslint:disable:max-line-length */\n /** @deprecated Replaced with {@link firstValueFrom} and {@link lastValueFrom}. Will be removed in v8. Details: https://rxjs.dev/deprecations/to-promise */\n toPromise(): Promise;\n /** @deprecated Replaced with {@link firstValueFrom} and {@link lastValueFrom}. Will be removed in v8. Details: https://rxjs.dev/deprecations/to-promise */\n toPromise(PromiseCtor: typeof Promise): Promise;\n /** @deprecated Replaced with {@link firstValueFrom} and {@link lastValueFrom}. Will be removed in v8. Details: https://rxjs.dev/deprecations/to-promise */\n toPromise(PromiseCtor: PromiseConstructorLike): Promise;\n /* tslint:enable:max-line-length */\n\n /**\n * Subscribe to this Observable and get a Promise resolving on\n * `complete` with the last emission (if any).\n *\n * **WARNING**: Only use this with observables you *know* will complete. If the source\n * observable does not complete, you will end up with a promise that is hung up, and\n * potentially all of the state of an async function hanging out in memory. To avoid\n * this situation, look into adding something like {@link timeout}, {@link take},\n * {@link takeWhile}, or {@link takeUntil} amongst others.\n *\n * @method toPromise\n * @param [promiseCtor] a constructor function used to instantiate\n * the Promise\n * @return A Promise that resolves with the last value emit, or\n * rejects on an error. If there were no emissions, Promise\n * resolves with undefined.\n * @deprecated Replaced with {@link firstValueFrom} and {@link lastValueFrom}. Will be removed in v8. Details: https://rxjs.dev/deprecations/to-promise\n */\n toPromise(promiseCtor?: PromiseConstructorLike): Promise {\n promiseCtor = getPromiseCtor(promiseCtor);\n\n return new promiseCtor((resolve, reject) => {\n let value: T | undefined;\n this.subscribe(\n (x: T) => (value = x),\n (err: any) => reject(err),\n () => resolve(value)\n );\n }) as Promise;\n }\n}\n\n/**\n * Decides between a passed promise constructor from consuming code,\n * A default configured promise constructor, and the native promise\n * constructor and returns it. If nothing can be found, it will throw\n * an error.\n * @param promiseCtor The optional promise constructor to passed by consuming code\n */\nfunction getPromiseCtor(promiseCtor: PromiseConstructorLike | undefined) {\n return promiseCtor ?? config.Promise ?? Promise;\n}\n\nfunction isObserver(value: any): value is Observer {\n return value && isFunction(value.next) && isFunction(value.error) && isFunction(value.complete);\n}\n\nfunction isSubscriber(value: any): value is Subscriber {\n return (value && value instanceof Subscriber) || (isObserver(value) && isSubscription(value));\n}\n", "import { Observable } from '../Observable';\nimport { Subscriber } from '../Subscriber';\nimport { OperatorFunction } from '../types';\nimport { isFunction } from './isFunction';\n\n/**\n * Used to determine if an object is an Observable with a lift function.\n */\nexport function hasLift(source: any): source is { lift: InstanceType['lift'] } {\n return isFunction(source?.lift);\n}\n\n/**\n * Creates an `OperatorFunction`. Used to define operators throughout the library in a concise way.\n * @param init The logic to connect the liftedSource to the subscriber at the moment of subscription.\n */\nexport function operate(\n init: (liftedSource: Observable, subscriber: Subscriber) => (() => void) | void\n): OperatorFunction {\n return (source: Observable) => {\n if (hasLift(source)) {\n return source.lift(function (this: Subscriber, liftedSource: Observable) {\n try {\n return init(liftedSource, this);\n } catch (err) {\n this.error(err);\n }\n });\n }\n throw new TypeError('Unable to lift unknown Observable type');\n };\n}\n", "import { Subscriber } from '../Subscriber';\n\n/**\n * Creates an instance of an `OperatorSubscriber`.\n * @param destination The downstream subscriber.\n * @param onNext Handles next values, only called if this subscriber is not stopped or closed. Any\n * error that occurs in this function is caught and sent to the `error` method of this subscriber.\n * @param onError Handles errors from the subscription, any errors that occur in this handler are caught\n * and send to the `destination` error handler.\n * @param onComplete Handles completion notification from the subscription. Any errors that occur in\n * this handler are sent to the `destination` error handler.\n * @param onFinalize Additional teardown logic here. This will only be called on teardown if the\n * subscriber itself is not already closed. This is called after all other teardown logic is executed.\n */\nexport function createOperatorSubscriber(\n destination: Subscriber,\n onNext?: (value: T) => void,\n onComplete?: () => void,\n onError?: (err: any) => void,\n onFinalize?: () => void\n): Subscriber {\n return new OperatorSubscriber(destination, onNext, onComplete, onError, onFinalize);\n}\n\n/**\n * A generic helper for allowing operators to be created with a Subscriber and\n * use closures to capture necessary state from the operator function itself.\n */\nexport class OperatorSubscriber extends Subscriber {\n /**\n * Creates an instance of an `OperatorSubscriber`.\n * @param destination The downstream subscriber.\n * @param onNext Handles next values, only called if this subscriber is not stopped or closed. Any\n * error that occurs in this function is caught and sent to the `error` method of this subscriber.\n * @param onError Handles errors from the subscription, any errors that occur in this handler are caught\n * and send to the `destination` error handler.\n * @param onComplete Handles completion notification from the subscription. Any errors that occur in\n * this handler are sent to the `destination` error handler.\n * @param onFinalize Additional finalization logic here. This will only be called on finalization if the\n * subscriber itself is not already closed. This is called after all other finalization logic is executed.\n * @param shouldUnsubscribe An optional check to see if an unsubscribe call should truly unsubscribe.\n * NOTE: This currently **ONLY** exists to support the strange behavior of {@link groupBy}, where unsubscription\n * to the resulting observable does not actually disconnect from the source if there are active subscriptions\n * to any grouped observable. (DO NOT EXPOSE OR USE EXTERNALLY!!!)\n */\n constructor(\n destination: Subscriber,\n onNext?: (value: T) => void,\n onComplete?: () => void,\n onError?: (err: any) => void,\n private onFinalize?: () => void,\n private shouldUnsubscribe?: () => boolean\n ) {\n // It's important - for performance reasons - that all of this class's\n // members are initialized and that they are always initialized in the same\n // order. This will ensure that all OperatorSubscriber instances have the\n // same hidden class in V8. This, in turn, will help keep the number of\n // hidden classes involved in property accesses within the base class as\n // low as possible. If the number of hidden classes involved exceeds four,\n // the property accesses will become megamorphic and performance penalties\n // will be incurred - i.e. inline caches won't be used.\n //\n // The reasons for ensuring all instances have the same hidden class are\n // further discussed in this blog post from Benedikt Meurer:\n // https://benediktmeurer.de/2018/03/23/impact-of-polymorphism-on-component-based-frameworks-like-react/\n super(destination);\n this._next = onNext\n ? function (this: OperatorSubscriber, value: T) {\n try {\n onNext(value);\n } catch (err) {\n destination.error(err);\n }\n }\n : super._next;\n this._error = onError\n ? function (this: OperatorSubscriber, err: any) {\n try {\n onError(err);\n } catch (err) {\n // Send any errors that occur down stream.\n destination.error(err);\n } finally {\n // Ensure finalization.\n this.unsubscribe();\n }\n }\n : super._error;\n this._complete = onComplete\n ? function (this: OperatorSubscriber) {\n try {\n onComplete();\n } catch (err) {\n // Send any errors that occur down stream.\n destination.error(err);\n } finally {\n // Ensure finalization.\n this.unsubscribe();\n }\n }\n : super._complete;\n }\n\n unsubscribe() {\n if (!this.shouldUnsubscribe || this.shouldUnsubscribe()) {\n const { closed } = this;\n super.unsubscribe();\n // Execute additional teardown if we have any and we didn't already do so.\n !closed && this.onFinalize?.();\n }\n }\n}\n", "import { Subscription } from '../Subscription';\n\ninterface AnimationFrameProvider {\n schedule(callback: FrameRequestCallback): Subscription;\n requestAnimationFrame: typeof requestAnimationFrame;\n cancelAnimationFrame: typeof cancelAnimationFrame;\n delegate:\n | {\n requestAnimationFrame: typeof requestAnimationFrame;\n cancelAnimationFrame: typeof cancelAnimationFrame;\n }\n | undefined;\n}\n\nexport const animationFrameProvider: AnimationFrameProvider = {\n // When accessing the delegate, use the variable rather than `this` so that\n // the functions can be called without being bound to the provider.\n schedule(callback) {\n let request = requestAnimationFrame;\n let cancel: typeof cancelAnimationFrame | undefined = cancelAnimationFrame;\n const { delegate } = animationFrameProvider;\n if (delegate) {\n request = delegate.requestAnimationFrame;\n cancel = delegate.cancelAnimationFrame;\n }\n const handle = request((timestamp) => {\n // Clear the cancel function. The request has been fulfilled, so\n // attempting to cancel the request upon unsubscription would be\n // pointless.\n cancel = undefined;\n callback(timestamp);\n });\n return new Subscription(() => cancel?.(handle));\n },\n requestAnimationFrame(...args) {\n const { delegate } = animationFrameProvider;\n return (delegate?.requestAnimationFrame || requestAnimationFrame)(...args);\n },\n cancelAnimationFrame(...args) {\n const { delegate } = animationFrameProvider;\n return (delegate?.cancelAnimationFrame || cancelAnimationFrame)(...args);\n },\n delegate: undefined,\n};\n", "import { createErrorClass } from './createErrorClass';\n\nexport interface ObjectUnsubscribedError extends Error {}\n\nexport interface ObjectUnsubscribedErrorCtor {\n /**\n * @deprecated Internal implementation detail. Do not construct error instances.\n * Cannot be tagged as internal: https://github.com/ReactiveX/rxjs/issues/6269\n */\n new (): ObjectUnsubscribedError;\n}\n\n/**\n * An error thrown when an action is invalid because the object has been\n * unsubscribed.\n *\n * @see {@link Subject}\n * @see {@link BehaviorSubject}\n *\n * @class ObjectUnsubscribedError\n */\nexport const ObjectUnsubscribedError: ObjectUnsubscribedErrorCtor = createErrorClass(\n (_super) =>\n function ObjectUnsubscribedErrorImpl(this: any) {\n _super(this);\n this.name = 'ObjectUnsubscribedError';\n this.message = 'object unsubscribed';\n }\n);\n", "import { Operator } from './Operator';\nimport { Observable } from './Observable';\nimport { Subscriber } from './Subscriber';\nimport { Subscription, EMPTY_SUBSCRIPTION } from './Subscription';\nimport { Observer, SubscriptionLike, TeardownLogic } from './types';\nimport { ObjectUnsubscribedError } from './util/ObjectUnsubscribedError';\nimport { arrRemove } from './util/arrRemove';\nimport { errorContext } from './util/errorContext';\n\n/**\n * A Subject is a special type of Observable that allows values to be\n * multicasted to many Observers. Subjects are like EventEmitters.\n *\n * Every Subject is an Observable and an Observer. You can subscribe to a\n * Subject, and you can call next to feed values as well as error and complete.\n */\nexport class Subject extends Observable implements SubscriptionLike {\n closed = false;\n\n private currentObservers: Observer[] | null = null;\n\n /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n observers: Observer[] = [];\n /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n isStopped = false;\n /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n hasError = false;\n /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n thrownError: any = null;\n\n /**\n * Creates a \"subject\" by basically gluing an observer to an observable.\n *\n * @nocollapse\n * @deprecated Recommended you do not use. Will be removed at some point in the future. Plans for replacement still under discussion.\n */\n static create: (...args: any[]) => any = (destination: Observer, source: Observable): AnonymousSubject => {\n return new AnonymousSubject(destination, source);\n };\n\n constructor() {\n // NOTE: This must be here to obscure Observable's constructor.\n super();\n }\n\n /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n lift(operator: Operator): Observable {\n const subject = new AnonymousSubject(this, this);\n subject.operator = operator as any;\n return subject as any;\n }\n\n /** @internal */\n protected _throwIfClosed() {\n if (this.closed) {\n throw new ObjectUnsubscribedError();\n }\n }\n\n next(value: T) {\n errorContext(() => {\n this._throwIfClosed();\n if (!this.isStopped) {\n if (!this.currentObservers) {\n this.currentObservers = Array.from(this.observers);\n }\n for (const observer of this.currentObservers) {\n observer.next(value);\n }\n }\n });\n }\n\n error(err: any) {\n errorContext(() => {\n this._throwIfClosed();\n if (!this.isStopped) {\n this.hasError = this.isStopped = true;\n this.thrownError = err;\n const { observers } = this;\n while (observers.length) {\n observers.shift()!.error(err);\n }\n }\n });\n }\n\n complete() {\n errorContext(() => {\n this._throwIfClosed();\n if (!this.isStopped) {\n this.isStopped = true;\n const { observers } = this;\n while (observers.length) {\n observers.shift()!.complete();\n }\n }\n });\n }\n\n unsubscribe() {\n this.isStopped = this.closed = true;\n this.observers = this.currentObservers = null!;\n }\n\n get observed() {\n return this.observers?.length > 0;\n }\n\n /** @internal */\n protected _trySubscribe(subscriber: Subscriber): TeardownLogic {\n this._throwIfClosed();\n return super._trySubscribe(subscriber);\n }\n\n /** @internal */\n protected _subscribe(subscriber: Subscriber): Subscription {\n this._throwIfClosed();\n this._checkFinalizedStatuses(subscriber);\n return this._innerSubscribe(subscriber);\n }\n\n /** @internal */\n protected _innerSubscribe(subscriber: Subscriber) {\n const { hasError, isStopped, observers } = this;\n if (hasError || isStopped) {\n return EMPTY_SUBSCRIPTION;\n }\n this.currentObservers = null;\n observers.push(subscriber);\n return new Subscription(() => {\n this.currentObservers = null;\n arrRemove(observers, subscriber);\n });\n }\n\n /** @internal */\n protected _checkFinalizedStatuses(subscriber: Subscriber) {\n const { hasError, thrownError, isStopped } = this;\n if (hasError) {\n subscriber.error(thrownError);\n } else if (isStopped) {\n subscriber.complete();\n }\n }\n\n /**\n * Creates a new Observable with this Subject as the source. You can do this\n * to create custom Observer-side logic of the Subject and conceal it from\n * code that uses the Observable.\n * @return {Observable} Observable that the Subject casts to\n */\n asObservable(): Observable {\n const observable: any = new Observable();\n observable.source = this;\n return observable;\n }\n}\n\n/**\n * @class AnonymousSubject\n */\nexport class AnonymousSubject extends Subject {\n constructor(\n /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n public destination?: Observer,\n source?: Observable\n ) {\n super();\n this.source = source;\n }\n\n next(value: T) {\n this.destination?.next?.(value);\n }\n\n error(err: any) {\n this.destination?.error?.(err);\n }\n\n complete() {\n this.destination?.complete?.();\n }\n\n /** @internal */\n protected _subscribe(subscriber: Subscriber): Subscription {\n return this.source?.subscribe(subscriber) ?? EMPTY_SUBSCRIPTION;\n }\n}\n", "import { Subject } from './Subject';\nimport { Subscriber } from './Subscriber';\nimport { Subscription } from './Subscription';\n\n/**\n * A variant of Subject that requires an initial value and emits its current\n * value whenever it is subscribed to.\n *\n * @class BehaviorSubject\n */\nexport class BehaviorSubject extends Subject {\n constructor(private _value: T) {\n super();\n }\n\n get value(): T {\n return this.getValue();\n }\n\n /** @internal */\n protected _subscribe(subscriber: Subscriber): Subscription {\n const subscription = super._subscribe(subscriber);\n !subscription.closed && subscriber.next(this._value);\n return subscription;\n }\n\n getValue(): T {\n const { hasError, thrownError, _value } = this;\n if (hasError) {\n throw thrownError;\n }\n this._throwIfClosed();\n return _value;\n }\n\n next(value: T): void {\n super.next((this._value = value));\n }\n}\n", "import { TimestampProvider } from '../types';\n\ninterface DateTimestampProvider extends TimestampProvider {\n delegate: TimestampProvider | undefined;\n}\n\nexport const dateTimestampProvider: DateTimestampProvider = {\n now() {\n // Use the variable rather than `this` so that the function can be called\n // without being bound to the provider.\n return (dateTimestampProvider.delegate || Date).now();\n },\n delegate: undefined,\n};\n", "import { Subject } from './Subject';\nimport { TimestampProvider } from './types';\nimport { Subscriber } from './Subscriber';\nimport { Subscription } from './Subscription';\nimport { dateTimestampProvider } from './scheduler/dateTimestampProvider';\n\n/**\n * A variant of {@link Subject} that \"replays\" old values to new subscribers by emitting them when they first subscribe.\n *\n * `ReplaySubject` has an internal buffer that will store a specified number of values that it has observed. Like `Subject`,\n * `ReplaySubject` \"observes\" values by having them passed to its `next` method. When it observes a value, it will store that\n * value for a time determined by the configuration of the `ReplaySubject`, as passed to its constructor.\n *\n * When a new subscriber subscribes to the `ReplaySubject` instance, it will synchronously emit all values in its buffer in\n * a First-In-First-Out (FIFO) manner. The `ReplaySubject` will also complete, if it has observed completion; and it will\n * error if it has observed an error.\n *\n * There are two main configuration items to be concerned with:\n *\n * 1. `bufferSize` - This will determine how many items are stored in the buffer, defaults to infinite.\n * 2. `windowTime` - The amount of time to hold a value in the buffer before removing it from the buffer.\n *\n * Both configurations may exist simultaneously. So if you would like to buffer a maximum of 3 values, as long as the values\n * are less than 2 seconds old, you could do so with a `new ReplaySubject(3, 2000)`.\n *\n * ### Differences with BehaviorSubject\n *\n * `BehaviorSubject` is similar to `new ReplaySubject(1)`, with a couple of exceptions:\n *\n * 1. `BehaviorSubject` comes \"primed\" with a single value upon construction.\n * 2. `ReplaySubject` will replay values, even after observing an error, where `BehaviorSubject` will not.\n *\n * @see {@link Subject}\n * @see {@link BehaviorSubject}\n * @see {@link shareReplay}\n */\nexport class ReplaySubject extends Subject {\n private _buffer: (T | number)[] = [];\n private _infiniteTimeWindow = true;\n\n /**\n * @param bufferSize The size of the buffer to replay on subscription\n * @param windowTime The amount of time the buffered items will stay buffered\n * @param timestampProvider An object with a `now()` method that provides the current timestamp. This is used to\n * calculate the amount of time something has been buffered.\n */\n constructor(\n private _bufferSize = Infinity,\n private _windowTime = Infinity,\n private _timestampProvider: TimestampProvider = dateTimestampProvider\n ) {\n super();\n this._infiniteTimeWindow = _windowTime === Infinity;\n this._bufferSize = Math.max(1, _bufferSize);\n this._windowTime = Math.max(1, _windowTime);\n }\n\n next(value: T): void {\n const { isStopped, _buffer, _infiniteTimeWindow, _timestampProvider, _windowTime } = this;\n if (!isStopped) {\n _buffer.push(value);\n !_infiniteTimeWindow && _buffer.push(_timestampProvider.now() + _windowTime);\n }\n this._trimBuffer();\n super.next(value);\n }\n\n /** @internal */\n protected _subscribe(subscriber: Subscriber): Subscription {\n this._throwIfClosed();\n this._trimBuffer();\n\n const subscription = this._innerSubscribe(subscriber);\n\n const { _infiniteTimeWindow, _buffer } = this;\n // We use a copy here, so reentrant code does not mutate our array while we're\n // emitting it to a new subscriber.\n const copy = _buffer.slice();\n for (let i = 0; i < copy.length && !subscriber.closed; i += _infiniteTimeWindow ? 1 : 2) {\n subscriber.next(copy[i] as T);\n }\n\n this._checkFinalizedStatuses(subscriber);\n\n return subscription;\n }\n\n private _trimBuffer() {\n const { _bufferSize, _timestampProvider, _buffer, _infiniteTimeWindow } = this;\n // If we don't have an infinite buffer size, and we're over the length,\n // use splice to truncate the old buffer values off. Note that we have to\n // double the size for instances where we're not using an infinite time window\n // because we're storing the values and the timestamps in the same array.\n const adjustedBufferSize = (_infiniteTimeWindow ? 1 : 2) * _bufferSize;\n _bufferSize < Infinity && adjustedBufferSize < _buffer.length && _buffer.splice(0, _buffer.length - adjustedBufferSize);\n\n // Now, if we're not in an infinite time window, remove all values where the time is\n // older than what is allowed.\n if (!_infiniteTimeWindow) {\n const now = _timestampProvider.now();\n let last = 0;\n // Search the array for the first timestamp that isn't expired and\n // truncate the buffer up to that point.\n for (let i = 1; i < _buffer.length && (_buffer[i] as number) <= now; i += 2) {\n last = i;\n }\n last && _buffer.splice(0, last + 1);\n }\n }\n}\n", "import { Scheduler } from '../Scheduler';\nimport { Subscription } from '../Subscription';\nimport { SchedulerAction } from '../types';\n\n/**\n * A unit of work to be executed in a `scheduler`. An action is typically\n * created from within a {@link SchedulerLike} and an RxJS user does not need to concern\n * themselves about creating and manipulating an Action.\n *\n * ```ts\n * class Action extends Subscription {\n * new (scheduler: Scheduler, work: (state?: T) => void);\n * schedule(state?: T, delay: number = 0): Subscription;\n * }\n * ```\n *\n * @class Action\n */\nexport class Action extends Subscription {\n constructor(scheduler: Scheduler, work: (this: SchedulerAction, state?: T) => void) {\n super();\n }\n /**\n * Schedules this action on its parent {@link SchedulerLike} for execution. May be passed\n * some context object, `state`. May happen at some point in the future,\n * according to the `delay` parameter, if specified.\n * @param {T} [state] Some contextual data that the `work` function uses when\n * called by the Scheduler.\n * @param {number} [delay] Time to wait before executing the work, where the\n * time unit is implicit and defined by the Scheduler.\n * @return {void}\n */\n public schedule(state?: T, delay: number = 0): Subscription {\n return this;\n }\n}\n", "import type { TimerHandle } from './timerHandle';\ntype SetIntervalFunction = (handler: () => void, timeout?: number, ...args: any[]) => TimerHandle;\ntype ClearIntervalFunction = (handle: TimerHandle) => void;\n\ninterface IntervalProvider {\n setInterval: SetIntervalFunction;\n clearInterval: ClearIntervalFunction;\n delegate:\n | {\n setInterval: SetIntervalFunction;\n clearInterval: ClearIntervalFunction;\n }\n | undefined;\n}\n\nexport const intervalProvider: IntervalProvider = {\n // When accessing the delegate, use the variable rather than `this` so that\n // the functions can be called without being bound to the provider.\n setInterval(handler: () => void, timeout?: number, ...args) {\n const { delegate } = intervalProvider;\n if (delegate?.setInterval) {\n return delegate.setInterval(handler, timeout, ...args);\n }\n return setInterval(handler, timeout, ...args);\n },\n clearInterval(handle) {\n const { delegate } = intervalProvider;\n return (delegate?.clearInterval || clearInterval)(handle as any);\n },\n delegate: undefined,\n};\n", "import { Action } from './Action';\nimport { SchedulerAction } from '../types';\nimport { Subscription } from '../Subscription';\nimport { AsyncScheduler } from './AsyncScheduler';\nimport { intervalProvider } from './intervalProvider';\nimport { arrRemove } from '../util/arrRemove';\nimport { TimerHandle } from './timerHandle';\n\nexport class AsyncAction extends Action {\n public id: TimerHandle | undefined;\n public state?: T;\n // @ts-ignore: Property has no initializer and is not definitely assigned\n public delay: number;\n protected pending: boolean = false;\n\n constructor(protected scheduler: AsyncScheduler, protected work: (this: SchedulerAction, state?: T) => void) {\n super(scheduler, work);\n }\n\n public schedule(state?: T, delay: number = 0): Subscription {\n if (this.closed) {\n return this;\n }\n\n // Always replace the current state with the new state.\n this.state = state;\n\n const id = this.id;\n const scheduler = this.scheduler;\n\n //\n // Important implementation note:\n //\n // Actions only execute once by default, unless rescheduled from within the\n // scheduled callback. This allows us to implement single and repeat\n // actions via the same code path, without adding API surface area, as well\n // as mimic traditional recursion but across asynchronous boundaries.\n //\n // However, JS runtimes and timers distinguish between intervals achieved by\n // serial `setTimeout` calls vs. a single `setInterval` call. An interval of\n // serial `setTimeout` calls can be individually delayed, which delays\n // scheduling the next `setTimeout`, and so on. `setInterval` attempts to\n // guarantee the interval callback will be invoked more precisely to the\n // interval period, regardless of load.\n //\n // Therefore, we use `setInterval` to schedule single and repeat actions.\n // If the action reschedules itself with the same delay, the interval is not\n // canceled. If the action doesn't reschedule, or reschedules with a\n // different delay, the interval will be canceled after scheduled callback\n // execution.\n //\n if (id != null) {\n this.id = this.recycleAsyncId(scheduler, id, delay);\n }\n\n // Set the pending flag indicating that this action has been scheduled, or\n // has recursively rescheduled itself.\n this.pending = true;\n\n this.delay = delay;\n // If this action has already an async Id, don't request a new one.\n this.id = this.id ?? this.requestAsyncId(scheduler, this.id, delay);\n\n return this;\n }\n\n protected requestAsyncId(scheduler: AsyncScheduler, _id?: TimerHandle, delay: number = 0): TimerHandle {\n return intervalProvider.setInterval(scheduler.flush.bind(scheduler, this), delay);\n }\n\n protected recycleAsyncId(_scheduler: AsyncScheduler, id?: TimerHandle, delay: number | null = 0): TimerHandle | undefined {\n // If this action is rescheduled with the same delay time, don't clear the interval id.\n if (delay != null && this.delay === delay && this.pending === false) {\n return id;\n }\n // Otherwise, if the action's delay time is different from the current delay,\n // or the action has been rescheduled before it's executed, clear the interval id\n if (id != null) {\n intervalProvider.clearInterval(id);\n }\n\n return undefined;\n }\n\n /**\n * Immediately executes this action and the `work` it contains.\n * @return {any}\n */\n public execute(state: T, delay: number): any {\n if (this.closed) {\n return new Error('executing a cancelled action');\n }\n\n this.pending = false;\n const error = this._execute(state, delay);\n if (error) {\n return error;\n } else if (this.pending === false && this.id != null) {\n // Dequeue if the action didn't reschedule itself. Don't call\n // unsubscribe(), because the action could reschedule later.\n // For example:\n // ```\n // scheduler.schedule(function doWork(counter) {\n // /* ... I'm a busy worker bee ... */\n // var originalAction = this;\n // /* wait 100ms before rescheduling the action */\n // setTimeout(function () {\n // originalAction.schedule(counter + 1);\n // }, 100);\n // }, 1000);\n // ```\n this.id = this.recycleAsyncId(this.scheduler, this.id, null);\n }\n }\n\n protected _execute(state: T, _delay: number): any {\n let errored: boolean = false;\n let errorValue: any;\n try {\n this.work(state);\n } catch (e) {\n errored = true;\n // HACK: Since code elsewhere is relying on the \"truthiness\" of the\n // return here, we can't have it return \"\" or 0 or false.\n // TODO: Clean this up when we refactor schedulers mid-version-8 or so.\n errorValue = e ? e : new Error('Scheduled action threw falsy error');\n }\n if (errored) {\n this.unsubscribe();\n return errorValue;\n }\n }\n\n unsubscribe() {\n if (!this.closed) {\n const { id, scheduler } = this;\n const { actions } = scheduler;\n\n this.work = this.state = this.scheduler = null!;\n this.pending = false;\n\n arrRemove(actions, this);\n if (id != null) {\n this.id = this.recycleAsyncId(scheduler, id, null);\n }\n\n this.delay = null!;\n super.unsubscribe();\n }\n }\n}\n", "import { Action } from './scheduler/Action';\nimport { Subscription } from './Subscription';\nimport { SchedulerLike, SchedulerAction } from './types';\nimport { dateTimestampProvider } from './scheduler/dateTimestampProvider';\n\n/**\n * An execution context and a data structure to order tasks and schedule their\n * execution. Provides a notion of (potentially virtual) time, through the\n * `now()` getter method.\n *\n * Each unit of work in a Scheduler is called an `Action`.\n *\n * ```ts\n * class Scheduler {\n * now(): number;\n * schedule(work, delay?, state?): Subscription;\n * }\n * ```\n *\n * @class Scheduler\n * @deprecated Scheduler is an internal implementation detail of RxJS, and\n * should not be used directly. Rather, create your own class and implement\n * {@link SchedulerLike}. Will be made internal in v8.\n */\nexport class Scheduler implements SchedulerLike {\n public static now: () => number = dateTimestampProvider.now;\n\n constructor(private schedulerActionCtor: typeof Action, now: () => number = Scheduler.now) {\n this.now = now;\n }\n\n /**\n * A getter method that returns a number representing the current time\n * (at the time this function was called) according to the scheduler's own\n * internal clock.\n * @return {number} A number that represents the current time. May or may not\n * have a relation to wall-clock time. May or may not refer to a time unit\n * (e.g. milliseconds).\n */\n public now: () => number;\n\n /**\n * Schedules a function, `work`, for execution. May happen at some point in\n * the future, according to the `delay` parameter, if specified. May be passed\n * some context object, `state`, which will be passed to the `work` function.\n *\n * The given arguments will be processed an stored as an Action object in a\n * queue of actions.\n *\n * @param {function(state: ?T): ?Subscription} work A function representing a\n * task, or some unit of work to be executed by the Scheduler.\n * @param {number} [delay] Time to wait before executing the work, where the\n * time unit is implicit and defined by the Scheduler itself.\n * @param {T} [state] Some contextual data that the `work` function uses when\n * called by the Scheduler.\n * @return {Subscription} A subscription in order to be able to unsubscribe\n * the scheduled work.\n */\n public schedule(work: (this: SchedulerAction, state?: T) => void, delay: number = 0, state?: T): Subscription {\n return new this.schedulerActionCtor(this, work).schedule(state, delay);\n }\n}\n", "import { Scheduler } from '../Scheduler';\nimport { Action } from './Action';\nimport { AsyncAction } from './AsyncAction';\nimport { TimerHandle } from './timerHandle';\n\nexport class AsyncScheduler extends Scheduler {\n public actions: Array> = [];\n /**\n * A flag to indicate whether the Scheduler is currently executing a batch of\n * queued actions.\n * @type {boolean}\n * @internal\n */\n public _active: boolean = false;\n /**\n * An internal ID used to track the latest asynchronous task such as those\n * coming from `setTimeout`, `setInterval`, `requestAnimationFrame`, and\n * others.\n * @type {any}\n * @internal\n */\n public _scheduled: TimerHandle | undefined;\n\n constructor(SchedulerAction: typeof Action, now: () => number = Scheduler.now) {\n super(SchedulerAction, now);\n }\n\n public flush(action: AsyncAction): void {\n const { actions } = this;\n\n if (this._active) {\n actions.push(action);\n return;\n }\n\n let error: any;\n this._active = true;\n\n do {\n if ((error = action.execute(action.state, action.delay))) {\n break;\n }\n } while ((action = actions.shift()!)); // exhaust the scheduler queue\n\n this._active = false;\n\n if (error) {\n while ((action = actions.shift()!)) {\n action.unsubscribe();\n }\n throw error;\n }\n }\n}\n", "import { AsyncAction } from './AsyncAction';\nimport { AsyncScheduler } from './AsyncScheduler';\n\n/**\n *\n * Async Scheduler\n *\n * Schedule task as if you used setTimeout(task, duration)\n *\n * `async` scheduler schedules tasks asynchronously, by putting them on the JavaScript\n * event loop queue. It is best used to delay tasks in time or to schedule tasks repeating\n * in intervals.\n *\n * If you just want to \"defer\" task, that is to perform it right after currently\n * executing synchronous code ends (commonly achieved by `setTimeout(deferredTask, 0)`),\n * better choice will be the {@link asapScheduler} scheduler.\n *\n * ## Examples\n * Use async scheduler to delay task\n * ```ts\n * import { asyncScheduler } from 'rxjs';\n *\n * const task = () => console.log('it works!');\n *\n * asyncScheduler.schedule(task, 2000);\n *\n * // After 2 seconds logs:\n * // \"it works!\"\n * ```\n *\n * Use async scheduler to repeat task in intervals\n * ```ts\n * import { asyncScheduler } from 'rxjs';\n *\n * function task(state) {\n * console.log(state);\n * this.schedule(state + 1, 1000); // `this` references currently executing Action,\n * // which we reschedule with new state and delay\n * }\n *\n * asyncScheduler.schedule(task, 3000, 0);\n *\n * // Logs:\n * // 0 after 3s\n * // 1 after 4s\n * // 2 after 5s\n * // 3 after 6s\n * ```\n */\n\nexport const asyncScheduler = new AsyncScheduler(AsyncAction);\n\n/**\n * @deprecated Renamed to {@link asyncScheduler}. Will be removed in v8.\n */\nexport const async = asyncScheduler;\n", "import { AsyncAction } from './AsyncAction';\nimport { Subscription } from '../Subscription';\nimport { QueueScheduler } from './QueueScheduler';\nimport { SchedulerAction } from '../types';\nimport { TimerHandle } from './timerHandle';\n\nexport class QueueAction extends AsyncAction {\n constructor(protected scheduler: QueueScheduler, protected work: (this: SchedulerAction, state?: T) => void) {\n super(scheduler, work);\n }\n\n public schedule(state?: T, delay: number = 0): Subscription {\n if (delay > 0) {\n return super.schedule(state, delay);\n }\n this.delay = delay;\n this.state = state;\n this.scheduler.flush(this);\n return this;\n }\n\n public execute(state: T, delay: number): any {\n return delay > 0 || this.closed ? super.execute(state, delay) : this._execute(state, delay);\n }\n\n protected requestAsyncId(scheduler: QueueScheduler, id?: TimerHandle, delay: number = 0): TimerHandle {\n // If delay exists and is greater than 0, or if the delay is null (the\n // action wasn't rescheduled) but was originally scheduled as an async\n // action, then recycle as an async action.\n\n if ((delay != null && delay > 0) || (delay == null && this.delay > 0)) {\n return super.requestAsyncId(scheduler, id, delay);\n }\n\n // Otherwise flush the scheduler starting with this action.\n scheduler.flush(this);\n\n // HACK: In the past, this was returning `void`. However, `void` isn't a valid\n // `TimerHandle`, and generally the return value here isn't really used. So the\n // compromise is to return `0` which is both \"falsy\" and a valid `TimerHandle`,\n // as opposed to refactoring every other instanceo of `requestAsyncId`.\n return 0;\n }\n}\n", "import { AsyncScheduler } from './AsyncScheduler';\n\nexport class QueueScheduler extends AsyncScheduler {\n}\n", "import { QueueAction } from './QueueAction';\nimport { QueueScheduler } from './QueueScheduler';\n\n/**\n *\n * Queue Scheduler\n *\n * Put every next task on a queue, instead of executing it immediately\n *\n * `queue` scheduler, when used with delay, behaves the same as {@link asyncScheduler} scheduler.\n *\n * When used without delay, it schedules given task synchronously - executes it right when\n * it is scheduled. However when called recursively, that is when inside the scheduled task,\n * another task is scheduled with queue scheduler, instead of executing immediately as well,\n * that task will be put on a queue and wait for current one to finish.\n *\n * This means that when you execute task with `queue` scheduler, you are sure it will end\n * before any other task scheduled with that scheduler will start.\n *\n * ## Examples\n * Schedule recursively first, then do something\n * ```ts\n * import { queueScheduler } from 'rxjs';\n *\n * queueScheduler.schedule(() => {\n * queueScheduler.schedule(() => console.log('second')); // will not happen now, but will be put on a queue\n *\n * console.log('first');\n * });\n *\n * // Logs:\n * // \"first\"\n * // \"second\"\n * ```\n *\n * Reschedule itself recursively\n * ```ts\n * import { queueScheduler } from 'rxjs';\n *\n * queueScheduler.schedule(function(state) {\n * if (state !== 0) {\n * console.log('before', state);\n * this.schedule(state - 1); // `this` references currently executing Action,\n * // which we reschedule with new state\n * console.log('after', state);\n * }\n * }, 0, 3);\n *\n * // In scheduler that runs recursively, you would expect:\n * // \"before\", 3\n * // \"before\", 2\n * // \"before\", 1\n * // \"after\", 1\n * // \"after\", 2\n * // \"after\", 3\n *\n * // But with queue it logs:\n * // \"before\", 3\n * // \"after\", 3\n * // \"before\", 2\n * // \"after\", 2\n * // \"before\", 1\n * // \"after\", 1\n * ```\n */\n\nexport const queueScheduler = new QueueScheduler(QueueAction);\n\n/**\n * @deprecated Renamed to {@link queueScheduler}. Will be removed in v8.\n */\nexport const queue = queueScheduler;\n", "import { AsyncAction } from './AsyncAction';\nimport { AnimationFrameScheduler } from './AnimationFrameScheduler';\nimport { SchedulerAction } from '../types';\nimport { animationFrameProvider } from './animationFrameProvider';\nimport { TimerHandle } from './timerHandle';\n\nexport class AnimationFrameAction extends AsyncAction {\n constructor(protected scheduler: AnimationFrameScheduler, protected work: (this: SchedulerAction, state?: T) => void) {\n super(scheduler, work);\n }\n\n protected requestAsyncId(scheduler: AnimationFrameScheduler, id?: TimerHandle, delay: number = 0): TimerHandle {\n // If delay is greater than 0, request as an async action.\n if (delay !== null && delay > 0) {\n return super.requestAsyncId(scheduler, id, delay);\n }\n // Push the action to the end of the scheduler queue.\n scheduler.actions.push(this);\n // If an animation frame has already been requested, don't request another\n // one. If an animation frame hasn't been requested yet, request one. Return\n // the current animation frame request id.\n return scheduler._scheduled || (scheduler._scheduled = animationFrameProvider.requestAnimationFrame(() => scheduler.flush(undefined)));\n }\n\n protected recycleAsyncId(scheduler: AnimationFrameScheduler, id?: TimerHandle, delay: number = 0): TimerHandle | undefined {\n // If delay exists and is greater than 0, or if the delay is null (the\n // action wasn't rescheduled) but was originally scheduled as an async\n // action, then recycle as an async action.\n if (delay != null ? delay > 0 : this.delay > 0) {\n return super.recycleAsyncId(scheduler, id, delay);\n }\n // If the scheduler queue has no remaining actions with the same async id,\n // cancel the requested animation frame and set the scheduled flag to\n // undefined so the next AnimationFrameAction will request its own.\n const { actions } = scheduler;\n if (id != null && actions[actions.length - 1]?.id !== id) {\n animationFrameProvider.cancelAnimationFrame(id as number);\n scheduler._scheduled = undefined;\n }\n // Return undefined so the action knows to request a new async id if it's rescheduled.\n return undefined;\n }\n}\n", "import { AsyncAction } from './AsyncAction';\nimport { AsyncScheduler } from './AsyncScheduler';\n\nexport class AnimationFrameScheduler extends AsyncScheduler {\n public flush(action?: AsyncAction): void {\n this._active = true;\n // The async id that effects a call to flush is stored in _scheduled.\n // Before executing an action, it's necessary to check the action's async\n // id to determine whether it's supposed to be executed in the current\n // flush.\n // Previous implementations of this method used a count to determine this,\n // but that was unsound, as actions that are unsubscribed - i.e. cancelled -\n // are removed from the actions array and that can shift actions that are\n // scheduled to be executed in a subsequent flush into positions at which\n // they are executed within the current flush.\n const flushId = this._scheduled;\n this._scheduled = undefined;\n\n const { actions } = this;\n let error: any;\n action = action || actions.shift()!;\n\n do {\n if ((error = action.execute(action.state, action.delay))) {\n break;\n }\n } while ((action = actions[0]) && action.id === flushId && actions.shift());\n\n this._active = false;\n\n if (error) {\n while ((action = actions[0]) && action.id === flushId && actions.shift()) {\n action.unsubscribe();\n }\n throw error;\n }\n }\n}\n", "import { AnimationFrameAction } from './AnimationFrameAction';\nimport { AnimationFrameScheduler } from './AnimationFrameScheduler';\n\n/**\n *\n * Animation Frame Scheduler\n *\n * Perform task when `window.requestAnimationFrame` would fire\n *\n * When `animationFrame` scheduler is used with delay, it will fall back to {@link asyncScheduler} scheduler\n * behaviour.\n *\n * Without delay, `animationFrame` scheduler can be used to create smooth browser animations.\n * It makes sure scheduled task will happen just before next browser content repaint,\n * thus performing animations as efficiently as possible.\n *\n * ## Example\n * Schedule div height animation\n * ```ts\n * // html:
\n * import { animationFrameScheduler } from 'rxjs';\n *\n * const div = document.querySelector('div');\n *\n * animationFrameScheduler.schedule(function(height) {\n * div.style.height = height + \"px\";\n *\n * this.schedule(height + 1); // `this` references currently executing Action,\n * // which we reschedule with new state\n * }, 0, 0);\n *\n * // You will see a div element growing in height\n * ```\n */\n\nexport const animationFrameScheduler = new AnimationFrameScheduler(AnimationFrameAction);\n\n/**\n * @deprecated Renamed to {@link animationFrameScheduler}. Will be removed in v8.\n */\nexport const animationFrame = animationFrameScheduler;\n", "import { Observable } from '../Observable';\nimport { SchedulerLike } from '../types';\n\n/**\n * A simple Observable that emits no items to the Observer and immediately\n * emits a complete notification.\n *\n * Just emits 'complete', and nothing else.\n *\n * ![](empty.png)\n *\n * A simple Observable that only emits the complete notification. It can be used\n * for composing with other Observables, such as in a {@link mergeMap}.\n *\n * ## Examples\n *\n * Log complete notification\n *\n * ```ts\n * import { EMPTY } from 'rxjs';\n *\n * EMPTY.subscribe({\n * next: () => console.log('Next'),\n * complete: () => console.log('Complete!')\n * });\n *\n * // Outputs\n * // Complete!\n * ```\n *\n * Emit the number 7, then complete\n *\n * ```ts\n * import { EMPTY, startWith } from 'rxjs';\n *\n * const result = EMPTY.pipe(startWith(7));\n * result.subscribe(x => console.log(x));\n *\n * // Outputs\n * // 7\n * ```\n *\n * Map and flatten only odd numbers to the sequence `'a'`, `'b'`, `'c'`\n *\n * ```ts\n * import { interval, mergeMap, of, EMPTY } from 'rxjs';\n *\n * const interval$ = interval(1000);\n * const result = interval$.pipe(\n * mergeMap(x => x % 2 === 1 ? of('a', 'b', 'c') : EMPTY),\n * );\n * result.subscribe(x => console.log(x));\n *\n * // Results in the following to the console:\n * // x is equal to the count on the interval, e.g. (0, 1, 2, 3, ...)\n * // x will occur every 1000ms\n * // if x % 2 is equal to 1, print a, b, c (each on its own)\n * // if x % 2 is not equal to 1, nothing will be output\n * ```\n *\n * @see {@link Observable}\n * @see {@link NEVER}\n * @see {@link of}\n * @see {@link throwError}\n */\nexport const EMPTY = new Observable((subscriber) => subscriber.complete());\n\n/**\n * @param scheduler A {@link SchedulerLike} to use for scheduling\n * the emission of the complete notification.\n * @deprecated Replaced with the {@link EMPTY} constant or {@link scheduled} (e.g. `scheduled([], scheduler)`). Will be removed in v8.\n */\nexport function empty(scheduler?: SchedulerLike) {\n return scheduler ? emptyScheduled(scheduler) : EMPTY;\n}\n\nfunction emptyScheduled(scheduler: SchedulerLike) {\n return new Observable((subscriber) => scheduler.schedule(() => subscriber.complete()));\n}\n", "import { SchedulerLike } from '../types';\nimport { isFunction } from './isFunction';\n\nexport function isScheduler(value: any): value is SchedulerLike {\n return value && isFunction(value.schedule);\n}\n", "import { SchedulerLike } from '../types';\nimport { isFunction } from './isFunction';\nimport { isScheduler } from './isScheduler';\n\nfunction last(arr: T[]): T | undefined {\n return arr[arr.length - 1];\n}\n\nexport function popResultSelector(args: any[]): ((...args: unknown[]) => unknown) | undefined {\n return isFunction(last(args)) ? args.pop() : undefined;\n}\n\nexport function popScheduler(args: any[]): SchedulerLike | undefined {\n return isScheduler(last(args)) ? args.pop() : undefined;\n}\n\nexport function popNumber(args: any[], defaultValue: number): number {\n return typeof last(args) === 'number' ? args.pop()! : defaultValue;\n}\n", "export const isArrayLike = ((x: any): x is ArrayLike => x && typeof x.length === 'number' && typeof x !== 'function');", "import { isFunction } from \"./isFunction\";\n\n/**\n * Tests to see if the object is \"thennable\".\n * @param value the object to test\n */\nexport function isPromise(value: any): value is PromiseLike {\n return isFunction(value?.then);\n}\n", "import { InteropObservable } from '../types';\nimport { observable as Symbol_observable } from '../symbol/observable';\nimport { isFunction } from './isFunction';\n\n/** Identifies an input as being Observable (but not necessary an Rx Observable) */\nexport function isInteropObservable(input: any): input is InteropObservable {\n return isFunction(input[Symbol_observable]);\n}\n", "import { isFunction } from './isFunction';\n\nexport function isAsyncIterable(obj: any): obj is AsyncIterable {\n return Symbol.asyncIterator && isFunction(obj?.[Symbol.asyncIterator]);\n}\n", "/**\n * Creates the TypeError to throw if an invalid object is passed to `from` or `scheduled`.\n * @param input The object that was passed.\n */\nexport function createInvalidObservableTypeError(input: any) {\n // TODO: We should create error codes that can be looked up, so this can be less verbose.\n return new TypeError(\n `You provided ${\n input !== null && typeof input === 'object' ? 'an invalid object' : `'${input}'`\n } where a stream was expected. You can provide an Observable, Promise, ReadableStream, Array, AsyncIterable, or Iterable.`\n );\n}\n", "export function getSymbolIterator(): symbol {\n if (typeof Symbol !== 'function' || !Symbol.iterator) {\n return '@@iterator' as any;\n }\n\n return Symbol.iterator;\n}\n\nexport const iterator = getSymbolIterator();\n", "import { iterator as Symbol_iterator } from '../symbol/iterator';\nimport { isFunction } from './isFunction';\n\n/** Identifies an input as being an Iterable */\nexport function isIterable(input: any): input is Iterable {\n return isFunction(input?.[Symbol_iterator]);\n}\n", "import { ReadableStreamLike } from '../types';\nimport { isFunction } from './isFunction';\n\nexport async function* readableStreamLikeToAsyncGenerator(readableStream: ReadableStreamLike): AsyncGenerator {\n const reader = readableStream.getReader();\n try {\n while (true) {\n const { value, done } = await reader.read();\n if (done) {\n return;\n }\n yield value!;\n }\n } finally {\n reader.releaseLock();\n }\n}\n\nexport function isReadableStreamLike(obj: any): obj is ReadableStreamLike {\n // We don't want to use instanceof checks because they would return\n // false for instances from another Realm, like an