feat(kube-prometheus-stack): use native alertmanager telegram integration

[martinohmann]

No description provided.

[github-actions]

kustomization changes in kubernetes/main

--- kubernetes/main/apps/monitoring/alertmanager-telegram/app Kustomization: flux-system/alertmanager-telegram HelmRelease: monitoring/alertmanager-telegram

+++ kubernetes/main/apps/monitoring/alertmanager-telegram/app Kustomization: flux-system/alertmanager-telegram HelmRelease: monitoring/alertmanager-telegram

@@ -1,61 +0,0 @@

----
-apiVersion: helm.toolkit.fluxcd.io/v2
-kind: HelmRelease
-metadata:
-  labels:
-    app.kubernetes.io/name: alertmanager-telegram
-    kustomize.toolkit.fluxcd.io/name: alertmanager-telegram
-    kustomize.toolkit.fluxcd.io/namespace: flux-system
-  name: alertmanager-telegram
-  namespace: monitoring
-spec:
-  chart:
-    spec:
-      chart: app-template
-      sourceRef:
-        kind: HelmRepository
-        name: bjw-s
-        namespace: flux-system
-      version: 3.6.1
-  install:
-    remediation:
-      retries: 3
-  interval: 2h
-  maxHistory: 2
-  uninstall:
-    keepHistory: false
-  upgrade:
-    cleanupOnFail: true
-    remediation:
-      retries: 3
-      strategy: uninstall
-  values:
-    controllers:
-      alertmanager-telegram:
-        containers:
-          app:
-            envFrom:
-            - secretRef:
-                name: alertmanager-telegram
-            image:
-              repository: ghcr.io/janw/alertmanager-telegram
-              tag: edge@sha256:f15f5c620872a4e38fe9af7ba3d3ddc56195ae0660ebb83526805e909f2ceb86
-            resources:
-              limits:
-                memory: 200Mi
-              requests:
-                cpu: 5m
-                memory: 60Mi
-        pod:
-          securityContext:
-            runAsGroup: 568
-            runAsUser: 568
-        replicas: 1
-        strategy: RollingUpdate
-    service:
-      app:
-        controller: alertmanager-telegram
-        ports:
-          http:
-            port: 8080
-
--- kubernetes/main/apps/monitoring/kube-prometheus-stack/app Kustomization: flux-system/kube-prometheus-stack AlertmanagerConfig: monitoring/alertmanager

+++ kubernetes/main/apps/monitoring/kube-prometheus-stack/app Kustomization: flux-system/kube-prometheus-stack AlertmanagerConfig: monitoring/alertmanager

@@ -21,15 +21,32 @@

     - matchType: =
       name: severity
       value: warning
   receivers:
   - name: 'null'
   - name: telegram
-    webhookConfigs:
-    - sendResolved: true
-      url: http://alertmanager-telegram.monitoring.svc.cluster.local:8080/alerts
+    telegramConfigs:
+    - botToken:
+        key: token
+        name: alertmanager-telegram
+      chatID: ..PLACEHOLDER_SECRET_ALERTMANAGER_TELEGRAM_CHAT_ID..
+      message: "{{- $root := . -}}\n{{ if eq .Status \"firing\" -}}\n\U0001F469\u200D\
+        \U0001F692\n{{- else -}}\n\U0001F37B\n{{- end -}}\n<b>{{ .Status | title }}:\
+        \ {{ .CommonLabels.alertname }} ({{ .Alerts | len }})</b>\n{{- if and (eq\
+        \ .Status \"firing\") (eq .CommonLabels.severity \"critical\") }} \u203C\uFE0F\
+        \n{{- end }}\n{{ if .CommonAnnotations.summary }}\n{{ .CommonAnnotations.summary\
+        \ | trimSpace }}\n{{ end -}}\n{{ range .CommonAnnotations.SortedPairs }}\n\
+        {{- if ne .Name \"summary\" }}\n<b>{{ .Name }}:</b> {{ .Value }}\n{{- end\
+        \ -}}\n{{- end }}\n{{ range .CommonLabels.SortedPairs }}\n{{- if ne .Name\
+        \ \"alertname\" }}\n<b>{{ .Name }}:</b> <code>{{ .Value }}</code>\n{{- end\
+        \ -}}\n{{- end }}\n{{ range .Alerts }}\n{{- $annotations := .Annotations.Remove\
+        \ $root.CommonAnnotations.Names -}}\n{{- range $annotations.SortedPairs }}\n\
+        <b>{{ .Name }}:</b> {{ .Value }}\n{{- end }}\n{{- $labels := .Labels.Remove\
+        \ $root.CommonLabels.Names -}}\n{{- range $labels.SortedPairs }}\n<b>{{ .Name\
+        \ }}:</b> <code>{{ .Value }}</code>\n{{- end }}\n\n<a href=\"{{ .GeneratorURL\
+        \ }}\">Go to source</a>\n{{ end }}\n<a href=\"{{ .ExternalURL }}\">Go to Alertmanager</a>\n"
   route:
     groupBy:
     - alertname
     - job
     groupInterval: 10m
     groupWait: 1m
--- kubernetes/main/apps Kustomization: flux-system/cluster-apps Kustomization: flux-system/alertmanager-telegram

+++ kubernetes/main/apps Kustomization: flux-system/cluster-apps Kustomization: flux-system/alertmanager-telegram

@@ -1,32 +0,0 @@

----
-apiVersion: kustomize.toolkit.fluxcd.io/v1
-kind: Kustomization
-metadata:
-  labels:
-    kustomize.toolkit.fluxcd.io/name: cluster-apps
-    kustomize.toolkit.fluxcd.io/namespace: flux-system
-  name: alertmanager-telegram
-  namespace: flux-system
-spec:
-  commonMetadata:
-    labels:
-      app.kubernetes.io/name: alertmanager-telegram
-  decryption:
-    provider: sops
-    secretRef:
-      name: sops-age
-  interval: 2h
-  path: ./kubernetes/main/apps/monitoring/alertmanager-telegram/app
-  postBuild:
-    substituteFrom:
-    - kind: Secret
-      name: cluster-secrets
-  prune: true
-  retryInterval: 1m
-  sourceRef:
-    kind: GitRepository
-    name: home-kubernetes
-  targetNamespace: monitoring
-  timeout: 5m
-  wait: false
-

[github-actions]

helmrelease changes in kubernetes/main

--- HelmRelease: monitoring/alertmanager-telegram Service: monitoring/alertmanager-telegram

+++ HelmRelease: monitoring/alertmanager-telegram Service: monitoring/alertmanager-telegram

@@ -1,22 +0,0 @@

----
-apiVersion: v1
-kind: Service
-metadata:
-  name: alertmanager-telegram
-  labels:
-    app.kubernetes.io/instance: alertmanager-telegram
-    app.kubernetes.io/managed-by: Helm
-    app.kubernetes.io/name: alertmanager-telegram
-    app.kubernetes.io/service: alertmanager-telegram
-spec:
-  type: ClusterIP
-  ports:
-  - port: 8080
-    targetPort: 8080
-    protocol: TCP
-    name: http
-  selector:
-    app.kubernetes.io/component: alertmanager-telegram
-    app.kubernetes.io/instance: alertmanager-telegram
-    app.kubernetes.io/name: alertmanager-telegram
-
--- HelmRelease: monitoring/alertmanager-telegram Deployment: monitoring/alertmanager-telegram

+++ HelmRelease: monitoring/alertmanager-telegram Deployment: monitoring/alertmanager-telegram

@@ -1,50 +0,0 @@

----
-apiVersion: apps/v1
-kind: Deployment
-metadata:
-  name: alertmanager-telegram
-  labels:
-    app.kubernetes.io/component: alertmanager-telegram
-    app.kubernetes.io/instance: alertmanager-telegram
-    app.kubernetes.io/managed-by: Helm
-    app.kubernetes.io/name: alertmanager-telegram
-spec:
-  revisionHistoryLimit: 3
-  replicas: 1
-  strategy:
-    type: RollingUpdate
-  selector:
-    matchLabels:
-      app.kubernetes.io/component: alertmanager-telegram
-      app.kubernetes.io/name: alertmanager-telegram
-      app.kubernetes.io/instance: alertmanager-telegram
-  template:
-    metadata:
-      labels:
-        app.kubernetes.io/component: alertmanager-telegram
-        app.kubernetes.io/instance: alertmanager-telegram
-        app.kubernetes.io/name: alertmanager-telegram
-    spec:
-      enableServiceLinks: false
-      serviceAccountName: default
-      automountServiceAccountToken: true
-      securityContext:
-        runAsGroup: 568
-        runAsUser: 568
-      hostIPC: false
-      hostNetwork: false
-      hostPID: false
-      dnsPolicy: ClusterFirst
-      containers:
-      - envFrom:
-        - secretRef:
-            name: alertmanager-telegram
-        image: ghcr.io/janw/alertmanager-telegram:edge@sha256:f15f5c620872a4e38fe9af7ba3d3ddc56195ae0660ebb83526805e909f2ceb86
-        name: app
-        resources:
-          limits:
-            memory: 200Mi
-          requests:
-            cpu: 5m
-            memory: 60Mi
-

[martinohmann]

Maybe another day