Update changelog

(cherry picked from commit 5698d96)

CHANGELOG.md

@@ -1,8 +1,12 @@
-## v1.18.0-rc0 [2021-03-03]
+## v1.18.0-rc1 [2021-03-10]
+
+#### Release Notes
+
+  - Support Go version 1.16
 
 #### Bugfixes
 
-  - [#7312](https://github.com/influxdata/telegraf/pull/7312) `inputs.docker` [plugins/input/docker] Make perdevice affect also cpu and add class granularity through perdevice_include/total_include
+  - [#7312](https://github.com/influxdata/telegraf/pull/7312) `inputs.docker` CPU stats respect perdevice
   - [#8397](https://github.com/influxdata/telegraf/pull/8397) `outputs.dynatrace` Dynatrace Plugin: Make conversion to counters possible / Changed large bulk handling
   - [#8655](https://github.com/influxdata/telegraf/pull/8655) `inputs.sqlserver` SqlServer - fix for default server list
   - [#8703](https://github.com/influxdata/telegraf/pull/8703) `inputs.docker` Use consistent container name in docker input plugin
@@ -15,6 +19,9 @@
   - [#8873](https://github.com/influxdata/telegraf/pull/8873) `processors.ifname` Fix mutex locking around ifname cache
   - [#8720](https://github.com/influxdata/telegraf/pull/8720) `parsers.influx` fix: remove ambiguity on '\v' from line-protocol parser
   - [#8678](https://github.com/influxdata/telegraf/pull/8678) `inputs.redis` Fix Redis output field type inconsistencies
+  - [#8953](https://github.com/influxdata/telegraf/pull/8953) `agent` Reset the flush interval timer when flush is requested or batch is ready.
+  - [#8954](https://github.com/influxdata/telegraf/pull/8954) `common.kafka` Fix max open requests to one if idempotent writes is set to true
+  - [#8721](https://github.com/influxdata/telegraf/pull/8721) `inputs.kube_inventory` Set $HOSTIP in default URL
 
 #### Features
 
@@ -33,13 +40,17 @@
   - [#8772](https://github.com/influxdata/telegraf/pull/8772) `processors.starlark` Allow to provide constants to a starlark script
   - [#8749](https://github.com/influxdata/telegraf/pull/8749) `outputs.newrelic` Add HTTP proxy setting to New Relic output plugin
   - [#8543](https://github.com/influxdata/telegraf/pull/8543) `inputs.elasticsearch` Add configurable number of 'most recent' date-stamped indices to gather in Elasticsearch input
+  - [#8675](https://github.com/influxdata/telegraf/pull/8675) `processors.starlark` Add Starlark parsing example of nested JSON
+  - [#8762](https://github.com/influxdata/telegraf/pull/8762) `inputs.prometheus` Optimize for bigger kubernetes clusters (500+ pods)
 
 #### New Input Plugins
 
   - [#8834](https://github.com/influxdata/telegraf/pull/8834) Input plugin for RavenDB
   - [#8525](https://github.com/influxdata/telegraf/pull/8525) Add CSGO SRCDS input plugin
   - [#8751](https://github.com/influxdata/telegraf/pull/8751) Adding a new directory monitor input plugin.
   - [#6653](https://github.com/influxdata/telegraf/pull/6653) Add Beat input plugin
+  - [#4615](https://github.com/influxdata/telegraf/pull/4615) Add NFS client input
+  - [#8931](https://github.com/influxdata/telegraf/pull/8931) Add XML parser using XPath queries
 
 #### New Output Plugins
 
@@ -126,7 +137,7 @@
 
 #### New External Plugins
 
-  - [#8646](https://github.com/influxdata/telegraf/pull/8646) [Open Hardware Monitoring](https://github.com/marianob85/open_hardware_monitor-telegraf-plugin) Input Plugin 
+  - [#8646](https://github.com/influxdata/telegraf/pull/8646) [Open Hardware Monitoring](https://github.com/marianob85/open_hardware_monitor-telegraf-plugin) Input Plugin
 
 
 ## v1.17.0 [2020-12-18]

etc/telegraf.conf

@@ -4822,6 +4822,35 @@
 #   # no configuration
 
 
+# # Read per-mount NFS client metrics from /proc/self/mountstats
+# [[inputs.nfsclient]]
+#   ## Read more low-level metrics (optional, defaults to false)
+#   # fullstat = false
+#
+#   ## List of mounts to explictly include or exclude (optional)
+#   ## The pattern (Go regexp) is matched against the mount point (not the
+#   ## device being mounted).  If include_mounts is set, all mounts are ignored
+#   ## unless present in the list. If a mount is listed in both include_mounts
+#   ## and exclude_mounts, it is excluded.  Go regexp patterns can be used.
+#   # include_mounts = []
+#   # exclude_mounts = []
+#
+#   ## List of operations to include or exclude from collecting.  This applies
+#   ## only when fullstat=true.  Symantics are similar to {include,exclude}_mounts:
+#   ## the default is to collect everything; when include_operations is set, only
+#   ## those OPs are collected; when exclude_operations is set, all are collected
+#   ## except those listed.  If include and exclude are set, the OP is excluded.
+#   ## See /proc/self/mountstats for a list of valid operations; note that
+#   ## NFSv3 and NFSv4 have different lists.  While it is not possible to
+#   ## have different include/exclude lists for NFSv3/4, unused elements
+#   ## in the list should be okay.  It is possible to have different lists
+#   ## for different mountpoints:  use mulitple [[input.nfsclient]] stanzas,
+#   ## with their own lists.  See "include_mounts" above, and be careful of
+#   ## duplicate metrics.
+#   # include_operations = []
+#   # exclude_operations = []
+
+
 # # Read Nginx's basic status information (ngx_http_stub_status_module)
 # [[inputs.nginx]]
 #   # An array of Nginx stub_status URI to gather stats.
@@ -7549,6 +7578,16 @@
 #   ## - prometheus.io/path: If the metrics path is not /metrics, define it with this annotation.
 #   ## - prometheus.io/port: If port is not 9102 use this annotation
 #   # monitor_kubernetes_pods = true
+#   ## Get the list of pods to scrape with either the scope of
+#   ## - cluster: the kubernetes watch api (default, no need to specify)
+#   ## - node: the local cadvisor api; for scalability. Note that the config node_ip or the environment variable NODE_IP must be set to the host IP.
+#   # pod_scrape_scope = "cluster"
+#   ## Only for node scrape scope: node IP of the node that telegraf is running on.
+#   ## Either this config or the environment variable NODE_IP must be set.
+#   # node_ip = "10.180.1.1"
+# 	## Only for node scrape scope: interval in seconds for how often to get updated pod list for scraping.
+# 	## Default is 60 seconds.
+# 	# pod_scrape_interval = 60
 #   ## Restricts Kubernetes monitoring to a single namespace
 #   ##   ex: monitor_kubernetes_pods_namespace = "default"
 #   # monitor_kubernetes_pods_namespace = ""