# Alertmanager Configuration Example
# Add this webhook receiver to send alerts to the K8s agent system
#
# This is an EXAMPLE - merge with your existing alertmanager config

global:
  resolve_timeout: 5m

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

  routes:
    # Route pod-related alerts to the agent
    - match_re:
        alertname: ^(KubePodCrashLooping|KubePodNotReady|KubeContainerWaiting)$
      receiver: 'k8s-agent'
      continue: true

    # Route node-related alerts to the agent
    - match_re:
        alertname: ^(KubeNodeNotReady|KubeNodeUnreachable|NodeMemoryHighUsage)$
      receiver: 'k8s-agent'
      continue: true

    # Route resource alerts to the agent
    - match_re:
        alertname: ^(KubeMemoryOvercommit|KubeCPUOvercommit|KubePersistentVolumeFillingUp)$
      receiver: 'k8s-agent'
      continue: true

receivers:
  - name: 'default'
    # Your default receiver (email, slack, etc.)

  - name: 'k8s-agent'
    webhook_configs:
      # Option 1: Dashboard webhook endpoint
      - url: 'http://k8s-agent-dashboard.k8s-agent.svc.cluster.local/api/webhooks/alertmanager'
        send_resolved: true

      # Option 2: External webhook receiver (if dashboard not available)
      # - url: 'http://your-webhook-host:9000/alerts'
      #   send_resolved: true

# Inhibit rules - prevent duplicate alerts
inhibit_rules:
  - source_match:
      severity: 'critical'
    target_match:
      severity: 'warning'
    equal: ['alertname', 'namespace']