Adjust alertmanager silence partial to be more flexible

This change allows us to reuse the job partial to create a silence for all alerts with `syn=true` if the `argo_app` macro is unset or empty.
appuio · Oct 16, 2023 · 7c4ecf8 · 7c4ecf8
1 parent 174ec30
commit 7c4ecf8
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Showing 3 changed files with 14 additions and 3 deletions.
diff --git a/docs/modules/ROOT/partials/alertmanager-silence-job.adoc b/docs/modules/ROOT/partials/alertmanager-silence-job.adoc
@@ -1,7 +1,7 @@
 [source,bash,subs="attributes+"]
 ----
 if [[ "$OSTYPE" == "darwin"* ]]; then alias date=gdate; fi
-job_name=$(printf "{http-method}-silence-{argo_app}-alerts-$(date +%s)" | tr '[:upper:]' '[:lower:]')
+job_name=$(printf "{http-method}-silence-{silence-target}-alerts-$(date +%s)" | tr '[:upper:]' '[:lower:]')
 ifeval::["{http-method}" == "POST"]
 silence_duration='{duration}' <1>
 endif::[]
@@ -11,7 +11,7 @@ kind: Job
 metadata:
   name: ${job_name}
   labels:
-    app: silence-{argo_app}-alerts
+    app: silence-{silence-target}-alerts
 spec:
  backoffLimit: 0
  template:
@@ -29,16 +29,25 @@ ifeval::["{http-method}" == "POST"]
           read -d "" body << EOF
           {
             "matchers": [
+ifeval::["{argo_app}" != ""]
               {
                 "name": "syn_component",
                 "value": "{argo_app}",
                 "isRegex": false
               }
+endif::[]
+ifeval::["{argo_app}" == ""]
+              {
+                "name": "syn",
+                "value": "true",
+                "isRegex": false
+              }
+endif::[]
             ],
             "startsAt": "$(date -u +'%Y-%m-%dT%H:%M:%S')",
             "endsAt": "$(date -u +'%Y-%m-%dT%H:%M:%S' --date "${silence_duration}")",
             "createdBy": "$(kubectl config current-context | cut -d/ -f3)",
-            "comment": "Silence all {argo_app} alerts"
+            "comment": "Silence {silence-target} alerts"
           }
           EOF
 

diff --git a/docs/modules/ROOT/partials/create-alertmanager-silence.adoc b/docs/modules/ROOT/partials/create-alertmanager-silence.adoc
@@ -4,6 +4,7 @@
 // the list flow.
 :http-method: POST
 :alertmanager-endpoint: /api/v2/silences
+:silence-target: {argo_app}
 
 . Set a silence in Alertmanager for all {argo_app} alerts
 +

diff --git a/docs/modules/ROOT/partials/remove-alertmanager-silence.adoc b/docs/modules/ROOT/partials/remove-alertmanager-silence.adoc
@@ -4,6 +4,7 @@
 // the list flow.
 :http-method: DELETE
 :alertmanager-endpoint: /api/v2/silence/${silence_id}
+:silence-target: {argo_app}
 
 . Remove silence in Alertmanager
 +