# Prometheus configuration for EVPN-VXLAN fabric monitoring
# Enhanced for Flow Plugin visualization

global:
  scrape_interval: 15s
  evaluation_interval: 15s
  external_labels:
    monitor: 'evpn-fabric-monitor'
    cluster: 'evpn-vxlan-lab'

# Alertmanager configuration (optional)
# alerting:
#   alertmanagers:
#     - static_configs:
#         - targets:
#           - alertmanager:9093

# Load rules once and periodically evaluate them
# rule_files:
#   - "alerts/*.yml"
#   - "recording_rules/*.yml"

scrape_configs:
  # Scrape Prometheus itself
  - job_name: 'prometheus'
    static_configs:
      - targets: ['localhost:9090']
        labels:
          component: 'prometheus'

  # Scrape gnmic for network telemetry
  - job_name: 'gnmic'
    scrape_interval: 10s
    scrape_timeout: 10s
    static_configs:
      - targets: ['gnmic:9804']
        labels:
          component: 'gnmic-collector'
          fabric: 'evpn-vxlan'
    
    # Enhanced metric relabeling for Flow Plugin
    metric_relabel_configs:
      # Keep interface metrics - critical for flow visualization
      - source_labels: [__name__]
        regex: 'gnmic_interfaces_.*'
        action: keep
      
      # Keep BGP metrics for overlay health
      - source_labels: [__name__]
        regex: 'gnmic_.*bgp.*'
        action: keep
      
      # Keep MLAG metrics for redundancy visibility
      - source_labels: [__name__]
        regex: 'gnmic_.*lacp.*'
        action: keep
      
      # Keep system metrics
      - source_labels: [__name__]
        regex: 'gnmic_system.*'
        action: keep
      
      # Keep VXLAN metrics
      - source_labels: [__name__]
        regex: 'gnmic_.*vxlan.*|gnmic_.*vlan.*'
        action: keep
      
      # Drop everything else to reduce storage
      - source_labels: [__name__]
        regex: 'gnmic_.*'
        action: drop

      # Add fabric topology labels from device names
      - source_labels: [source]
        regex: '(spine|leaf)(\d+)'
        target_label: device_type
        replacement: '$1'
      
      - source_labels: [source]
        regex: '(spine|leaf)(\d+)'
        target_label: device_number
        replacement: '$2'