Alertmanager on CF

manifest.yml

---

alertmanager_config: &alertmanager_config
  docker:
    image: prom/alertmanager:v0.17.0
  command: |
    sh -euc '
      echo "${ALERTMANAGER_CONFIG}" > /etc/alertmanager/alertmanager.yml ;
      cat /etc/alertmanager/alertmanager.yml ;
      /bin/alertmanager \
        --config.file=/etc/alertmanager/alertmanager.yml \
        --cluster.peer=alertmanager-tlwr-test.apps.internal:9094 \
        --web.external-url=https://alertmanager-tlwr-test-${AM_INDEX}.cloudapps.digital ;
    '

alertmanager_env: &alertmanager_env
  ALERTMANAGER_CONFIG: |
                       global:
                         resolve_timeout: 5m
                       receivers:
                         - name: default

                       route:
                         receiver: default
                         group_wait: 30s
                         group_interval: 5m
                         repeat_interval: 4h
                         group_by: [cluster, alertname]

applications:
  - name: alertmanager-0
    <<: *alertmanager_config
    routes:
      - route: alertmanager-tlwr-test.apps.internal
      - route: alertmanager-tlwr-test-0.apps.internal
      - route: alertmanager-tlwr-test-0.cloudapps.digital
    env:
      <<: *alertmanager_env
      AM_INDEX: 0

  - name: alertmanager-1
    <<: *alertmanager_config
    routes:
      - route: alertmanager-tlwr-test.apps.internal
      - route: alertmanager-tlwr-test-1.apps.internal
      - route: alertmanager-tlwr-test-1.cloudapps.digital
    env:
      <<: *alertmanager_env
      AM_INDEX: 1

  - name: alertmanager-2
    <<: *alertmanager_config
    routes:
      - route: alertmanager-tlwr-test.apps.internal
      - route: alertmanager-tlwr-test-2.apps.internal
      - route: alertmanager-tlwr-test-2.cloudapps.digital
    env:
      <<: *alertmanager_env
      AM_INDEX: 2