# configuration of the HTTP server
http:
  ## address: 127.0.0.1              # bind address for this service. Can be left unspecified to bind on all interfaces
  port: 12345                     # port used by this service
  alerts-path-prefix: /alerts     # URL path for the webhook receiver called by an Alertmanager. Defaults to /alerts
  metrics-path: /metrics          # URL path to collect metrics. Defaults to /metrics
  metrics-enabled: true           # Whether to enable metrics or not. Defaults to false
  # basic-username: alertmanager    # Username for basic authentication. Defaults to alertmanager
  # basic-password: secret          # If set, the alerts endpoint expects basic-auth credentials with the configured username and password

# configuration for the Matrix connection
matrix:
  homeserver-url: "{{ env "GF_MATRIX_HOMESERVER_URL" }}"
  user-id: "{{ env "GF_MATRIX_USER_ID" }}"
  access-token: "{{ secret "matrix_access_token" }}"
  room-mapping:
    matrixroom: "{{ env "GF_MATRIX_ROOM_ID" }}"

templating:
  # mapping of ExternalURL values
  external-url-mapping:
    # key is the original value taken from the Alertmanager payload
    # value is the mapped value which will be available as '.ExternalURL' in templates
    "http://alertmanager:9093": https://alertmanager.example.com
  # mapping of GeneratorURL values
  generator-url-mapping:
    # key is the original value taken from the Alertmanager payload
    # value is the mapped value which will be available as '.GeneratorURL' in templates
    "http://prometheus:8080": https://prometheus.example.com

  # computation of arbitrary values based on matching alert annotations, labels, or status
  # values will be evaluated top to bottom, last entry wins
  computed-values:
    - values: # always set 'color' to 'yellow'
        color: yellow
    - values: # set 'color' to 'orange' when alert label 'severity' is 'warning'
        color: orange
      when-matching-labels:
        severity: warning
    - values: # set 'color' to 'red' when alert label 'severity' is 'critical'
        color: red
      when-matching-labels:
        severity: critical
    - values: # set 'color' to 'green' when alert status is 'resolved'
        color: green
      when-matching-status: resolved

  # template for alerts in status 'firing'
  firing-template: '{{`
    <p>
      <strong><font color="{{ .ComputedValues.color }}">{{ .Alert.Status | ToUpper }}</font></strong>
      {{ if .Alert.Labels.name }}
        {{ .Alert.Labels.name }}
      {{ else if .Alert.Labels.alertname }}
        {{ .Alert.Labels.alertname }}
      {{ end }}
      >>
      {{ if .Alert.Labels.severity }}
        {{ .Alert.Labels.severity | ToUpper }}: 
      {{ end }}
      {{ if .Alert.Annotations.description }}
        {{ .Alert.Annotations.description }}
      {{ else if .Alert.Annotations.summary }}
        {{ .Alert.Annotations.summary }}
      {{ end }}
      >>
      {{ if .Alert.Annotations.runbook }}
        <a href="{{ .Alert.Annotations.runbook }}">Runbook</a> | 
      {{ end }}
      {{ if .Alert.Annotations.dashboard }}
        <a href="{{ .Alert.Annotations.dashboard }}">Dashboard</a> | 
      {{ end }}
      <a href="{{ .SilenceURL }}">Silence</a>
    </p>`}}'