add alertmanager config

core-deployments.yaml

@@ -130,6 +130,11 @@ spec:
       targetRevision: 20.2.0
       helm:
         releaseName: prometheus
+        valueFiles:
+        - $values/prometheus/values.yaml
+    - repoURL: https://git.ar21.de/yolokube/core-deployments.git
+      targetRevision: HEAD
+      ref: values
     - repoURL: https://git.ar21.de/yolokube/core-deployments.git
       targetRevision: HEAD
       path: prometheus

prometheus/alertmanager-config.yaml

@@ -0,0 +1,61 @@
+---
+kind: ConfigMap
+metadata:
+  labels:
+    app.kubernetes.io/instance: prometheus
+    app.kubernetes.io/managed-by: Helm
+    app.kubernetes.io/name: alertmanager
+    app.kubernetes.io/version: v0.25.0
+    helm.sh/chart: alertmanager-0.24.1
+  name: prometheus-alertmanager
+  namespace: prometheus
+apiVersion: v1
+data:
+  alertmanager.yml: |
+    global:
+      resolve_timeout: 5m
+
+    templates:
+      - '/etc/alertmanager/telegram.tmpl'
+
+    route:
+      group_by: ['alertname']
+      group_wait: 30s
+      group_interval: 30s
+      repeat_interval: 3h
+      receiver: 'tg1'
+      routes:
+        - matchers:
+          - severity=warning
+          receiver: 'tg1'
+
+        - matchers:
+          - severity=critical
+          receiver: 'tg1'
+
+    receivers:
+    - name: tg1
+      telegram_configs:
+      - bot_token_file: '/etc/alertmanager/telegram-token'
+        chat_id: -995270884
+        api_url: "https://api.telegram.org"
+        send_resolved: true
+        parse_mode: "HTML"
+        message: '{{ template "telegram.aaron" .}}'
+
+    inhibit_rules:
+      - source_matchers:
+          - severity = critical
+        target_matchers:
+          - severity = warning
+        equal: ['alertname', 'server', 'instance']
+  telegram.tmpl: |
+    {{ define "telegram.aaron" }}
+    {{ range .Alerts }}
+    {{ if eq .Status "firing"}}🔥 <b>{{ .Labels.alertname }}</b> 🔥{{ else }}✅ <b>{{ .Labels.alertname }}</b> ✅{{ end }}
+    <b> {{ .Annotations.summary }} </b>
+
+    {{ .Annotations.description }}
+    {{ end }}
+    {{ end }}
+

prometheus/values.yaml

@@ -0,0 +1,7 @@
+alertmanager:
+  extraSecretMounts:
+   - name: telegram-api
+     mountPath: /etc/alertmanager/telegram-token
+     subPath: ""
+     secretName: telegram-api
+     readOnly: true