prom-values-alertmanager.yaml

prometheus:
  prometheusSpec:
    serviceMonitorSelectorNilUsesHelmValues: false
    serviceMonitorSelector: {}
    serviceMonitorNamespaceSelector: {}
    ruleSelector:
       matchExpressions:
        - key: prometheus
          operator: In
          values:
          - example-rules
grafana:
  sidecar:
    datasources:
      defaultDatasourceEnabled: true
  additionalDataSources:
    - name: Loki
      type: loki
      url: http://loki-loki-distributed-query-frontend.monitoring:3100

alertmanager:
  config:
    global:
      resolve_timeout: 5m
      slack_api_url: "https://hooks.slack.com/services/XXX"
    route:
      group_by: ['job']
      group_wait: 30s
      group_interval: 5m
      repeat_interval: 12h
      receiver: 'slack'
      routes:
      - match:
          alertname: DeadMansSwitch
        receiver: 'null'
      - match:
        receiver: 'slack'
        continue: true
    receivers:
    - name: 'null'
    - name: 'slack'
      slack_configs:
      - channel: '#alerts'
        send_resolved: true
        title: '[{{ .Status | toUpper }}{{ if eq .Status "firing" }}:{{ .Alerts.Firing | len }}{{ end }}] Monitoring Event Notification'
        text: >-
          {{ range .Alerts }}
            *Alert:* {{ .Annotations.summary }} - `{{ .Labels.severity }}`
            *Description:* {{ .Annotations.description }}
            *Graph:* <{{ .GeneratorURL }}|:chart_with_upwards_trend:> *Runbook:* <{{ .Annotations.runbook }}|:spiral_note_pad:>
            *Details:*
            {{ range .Labels.SortedPairs }} • *{{ .Name }}:* `{{ .Value }}`
            {{ end }}
          {{ end }}