apiVersion: v1
kind: Secret
type: Opaque
metadata:
  name: slack-url
data:
  apiUrl: aHR0cHM6Ly9ob29rcy5zbGFjay5jb20vc2VydmljZXMvVDBMNVJBM0UwL0IwMVNNOFJDMzQ2L1hERE9yY1BFN2VBWEpQTUN2YzVGeEl2YQ==
---
apiVersion: monitoring.coreos.com/v1alpha1
kind: AlertmanagerConfig
metadata:
  name: slack
  labels:
    alertmanagerConfig: slack
spec:
  route:
    groupBy: ['alertname']
    groupWait: 30s
    groupInterval: 5m
    repeatInterval: 12h
    receiver: 'slack-notifications'
  receivers:
  - name: 'slack-notifications'
    slackConfigs:
    - apiURL:
        name: slack-url
        key: apiUrl
      channel: '#monitoring-alerts'
      iconURL: 'https://avatars3.githubusercontent.com/u/3380462'
      sendResolved: 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{{"}}"}}