apiVersion: v1
kind: ConfigMap
metadata:
  name: prometheus-config
  namespace: monitoring
data:
  prometheus.yml: |-
    global:
      scrape_interval: 30s
     
    scrape_configs:
      - job_name: 'app'
        kubernetes_sd_configs:
        - role: pod 
        relabel_configs:
        - source_labels: 
            - __meta_kubernetes_namespace
          action: keep
          regex: default
        - source_labels: 
            - __meta_kubernetes_pod_annotationpresent_prometheus_io_scrape
            - __meta_kubernetes_pod_annotation_prometheus_io_scrape
          regex: true;true
          action: keep
        - source_labels: 
            - __meta_kubernetes_pod_annotationpresent_prometheus_io_path
            - __meta_kubernetes_pod_annotation_prometheus_io_path
          regex: true;(.*)
          target_label:  __metrics_path__
        - source_labels: 
            - __meta_kubernetes_pod_annotationpresent_prometheus_io_target
            - __meta_kubernetes_pod_annotation_prometheus_io_target
          regex: true;(.*)
          target_label:  __param_target
        - source_labels: 
            - __meta_kubernetes_pod_annotationpresent_prometheus_io_port
            - __address__
            - __meta_kubernetes_pod_annotation_prometheus_io_port
          action: replace
          regex: true;([^:]+)(?::\d+)?;(\d+)
          replacement: $1:$2
          target_label: __address__
        - source_labels: 
            - __meta_kubernetes_pod_labelpresent_component
            - __meta_kubernetes_pod_label_component
          regex: true;(.*)
          target_label: job
        - source_labels: 
            - __meta_kubernetes_pod_name
          target_label: instance