alertmanager.yml

# https://hippogrammer.tistory.com/260

global:
  resolve_timeout: 5m
  # slack_api_url: 'https://hooks.slack.com/services/..'
route:
  group_wait: 30s
  group_interval: 5m
  repeat_interval: 12h
  receiver: 'slack'
  # match_re:
  #   alertname: Elastic_UP|Elasticsearch_Too_Few_Nodes_Running|Elasticsearch_JVM_Heap_Too_High|ElasticSearchJvmMemoryPercent|ElasticNoAvailableSpace|NumberOfPendingTasks
  #   continue: true
receivers:
  - name: 'slack'
    slack_configs:
      - send_resolved: true
        # username: 'prometheus-alert'
        channel: '#alert'
        api_url: 'https://hooks.slack.com/services/XXXX'
        # title: |-
        #   # [{{ .Status | toUpper }}{{ if eq .Status "firing" }}:{{ .Alerts.Firing | len }}{{ end }}] {{ .CommonLabels.alertname }}
        #   {{ template "custom_title" . }}{{- "\n" -}}{{ template "custom_slack_message" . }}
        username: '{{ template "slack.default.username" . }}'
        color: '{{ if eq .Status "firing" }}danger{{ else if eq .Status "pending" }}warning{{ else }}good{{ end }}'
        title: '{{ template "slack.default.title" . }}'
        # title_link: '{{ template "slack.default.titlelink" . }}'
        pretext: '{{ .CommonAnnotations.summary }}'
        text: |-
          {{ range .Alerts }}
          *Alert : * {{ .Annotations.title }}{{ if .Labels.severity }} - `{{ .Labels.severity }}`
          *summary : * {{ .Annotations.summary }}
          *Description : * {{ .Annotations.description }}
          *Details : *
            {{ range .Labels.SortedPairs }} • *{{ .Name }} : * `{{ .Value }}`
            {{ end }}

          *Grafana URL : * http://localhost:3001/{{ end }}
          {{ end }}
        fallback: '{{ template "slack.default.fallback" . }}'
        # icon_emoji: '{{ template "slack.default.iconemoji" . }}'
        # icon_url: '{{ template "slack.default.iconurl" . }}'
        icon_url: http://avatars3.githubusercontent.com/u/3380462
templates:
  # - '/etc/alertmanager/config/*.tmpl'
  - '/slack.tmpl'