apiVersion: v1
kind: ConfigMap
metadata:
  name: {{ .Release.Name }}-config
  namespace: {{ .Release.Namespace }}
data:
  alertmanager.yml: |
    global:
    receivers:
    - name: admin-receivers
      slack_configs:
         - api_url: 'https://hooks.slack.com/services/***/***'
           send_resolved: true
           channel: 'alerts-k8s'
           color: '{{ if eq .Status "firing" }}danger{{ else }}good{{ end }}'
           title: '[{{ .Status | upper }}{{ if eq .Status "firing" }}:{{ .Alerts.Firing | len }}{{ end }}]'
           title_link: '{{ template "slack.default.titlelink" . }}'
           pretext: '{{ template "slack.default.pretext" . }}'
           text: |-
             {{ range .Alerts }}
                *Alert:* {{ .Labels.severity | upper }}
                *Summary:* {{ .Annotations.summary }}
                *Description:* {{ .Annotations.description }}
                *Details:*
                {{ range .Labels.SortedPairs }} * *{{ .Name }}:* `{{ .Value }}`
                {{ end }}
             {{ end }}
           footer: '{{ template "slack.default.footer" . }}'
           fallback: '{{ template "slack.default.fallback" . }}'
           icon_emoji: '{{ template "slack.default.iconemoji" . }}'
    route:
      group_interval: 1m
      group_wait: 1m
      receiver: admin-receivers
      repeat_interval: 5m
      group_by: ['alertname']
      routes:
        - receiver: admin-receivers
          match_re:
            severity: error|warning
          continue: true
    templates:
      - '/etc/config/slack.tmpl'