# ------------------------------------------------------------------------------
# Pure FlashArray OpenMetrics Exporter - ServiceMonitor
#
# Configures Prometheus Operator to scrape Pure FlashArray metrics
# 
# Scrape interval: 60s (storage metrics don't need high frequency)
# Endpoint: /metrics?endpoint=utilidor (multi-target exporter pattern)
# Metrics namespace: pure_* (purefa_info, purefa_array_*, purefa_volume_*, etc.)
# ------------------------------------------------------------------------------
apiVersion: monitoring.coreos.com/v1
kind: ServiceMonitor
metadata:
  name: pure-fa-exporter
  namespace: monitoring
  labels:
    app.kubernetes.io/name: pure-fa-exporter
    app.kubernetes.io/component: metrics
    # Label selector for kube-prometheus-stack
    release: monitoring
spec:
  # Select the pure-fa-exporter service
  selector:
    matchLabels:
      app.kubernetes.io/name: pure-fa-exporter
  
  # Namespace selector
  namespaceSelector:
    matchNames:
    - monitoring
  
  # Scrape endpoint configuration
  endpoints:
  - port: metrics
    interval: 60s
    scrapeTimeout: 30s
    path: /metrics
    # Query parameter for multi-target exporter pattern
    # Uses the array_id from tokens.yaml (utilidor)
    params:
      endpoint: 
      - utilidor
    
    # Relabeling to add FlashArray identifier and required dashboard labels
    relabelings:
    # Add 'instance' label (dashboard expects this for array identification)
    - sourceLabels: [__param_endpoint]
      targetLabel: instance
      action: replace
    # Keep 'array' label for compatibility
    - sourceLabels: [__param_endpoint]
      targetLabel: array
      action: replace
    
    # Static labels for dashboard filters
    metricRelabelings:
    # Add 'env' label (dashboard template variable requirement)
    - targetLabel: env
      replacement: production
      action: replace
    # Add 'location' label (optional dashboard filter)
    - targetLabel: location
      replacement: homelab
      action: replace
    # Add 'site' label (optional dashboard filter)
    - targetLabel: site
      replacement: main
      action: replace