# ------------------------------------------------------------------------------
# External-DNS Metrics - ServiceMonitor
#
# Configures Prometheus Operator to scrape External-DNS metrics
# 
# Scrape interval: 30s
# Endpoint: /metrics on port 7979
# Metrics namespace: externaldns_* (externaldns_registry_endpoints_total, etc.)
# ------------------------------------------------------------------------------
apiVersion: monitoring.coreos.com/v1
kind: ServiceMonitor
metadata:
  name: external-dns-metrics
  namespace: external-dns
  labels:
    app.kubernetes.io/name: external-dns
    app.kubernetes.io/component: metrics
    # Label selector for kube-prometheus-stack discovery
    release: monitoring
spec:
  # Select the external-dns service
  selector:
    matchLabels:
      app.kubernetes.io/name: external-dns
  
  # Namespace selector
  namespaceSelector:
    matchNames:
    - external-dns
  
  # Scrape endpoint configuration
  endpoints:
  - port: http
    interval: 30s
    scrapeTimeout: 10s
    path: /metrics