# ------------------------------------------------------------------------------
# Ingress-NGINX Controller Metrics - ServiceMonitor
#
# Configures Prometheus Operator to scrape Ingress-NGINX Controller metrics
# 
# Scrape interval: 30s
# Endpoint: /metrics on port 10254
# Metrics namespace: nginx_ingress_* (nginx_ingress_controller_requests, etc.)
# ------------------------------------------------------------------------------
apiVersion: monitoring.coreos.com/v1
kind: ServiceMonitor
metadata:
  name: ingress-nginx-metrics
  namespace: ingress-nginx
  labels:
    app.kubernetes.io/name: ingress-nginx
    app.kubernetes.io/component: metrics
    # Label selector for kube-prometheus-stack discovery
    release: monitoring
spec:
  # Select the ingress-nginx-controller-metrics service
  selector:
    matchLabels:
      app.kubernetes.io/name: ingress-nginx
      app.kubernetes.io/component: controller
  
  # Namespace selector
  namespaceSelector:
    matchNames:
    - ingress-nginx
  
  # Scrape endpoint configuration
  endpoints:
  - port: metrics
    interval: 30s
    scrapeTimeout: 10s
    path: /metrics