apiVersion: v1
kind: ConfigMap
metadata:
  name: prometheus
data:
  config.yaml: |
    global:
      scrape_interval: 10s
      scrape_timeout: 10s
      evaluation_interval: 10s
    
    scrape_configs:
    
    # Based on https://github.com/prometheus/prometheus/blob/63fe65bf2ff8c480bb4350e4d278d3208ca687be/documentation/examples/prometheus-kubernetes.yml#L16-L48
    - job_name: 'kubernetes-apiservers'
    
      kubernetes_sd_configs:
      - role: endpoints
    
      # Default to scraping over https. If required, just disable this or change to
      # `http`.
      scheme: https
    
      # This TLS & bearer token file config is used to connect to the actual scrape
      # endpoints for cluster components. This is separate to discovery auth
      # configuration because discovery & scraping are two separate concerns in
      # Prometheus. The discovery auth config is automatic if Prometheus runs inside
      # the cluster. Otherwise, more config options have to be provided within the
      # <kubernetes_sd_config>.
      tls_config:
        ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
        # If your node certificates are self-signed or use a different CA to the
        # master CA, then disable certificate verification below. Note that
        # certificate verification is an integral part of a secure infrastructure
        # so this should only be disabled in a controlled environment. You can
        # disable certificate verification by uncommenting the line below.
        #
        # insecure_skip_verify: true
      bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
    
      # Keep only the default/kubernetes service endpoints for the https port. This
      # will add targets for each API server which Kubernetes adds an endpoint to
      # the default/kubernetes service.
      relabel_configs:
      - source_labels: [__meta_kubernetes_namespace, __meta_kubernetes_service_name, __meta_kubernetes_endpoint_port_name]
        action: keep
        regex: default;kubernetes;https
    
    # etcd servers on nodes in /etc/prom-file-sd/file-sd.yaml
    - job_name: 'kubernetes-etcd'
      tls_config:
        cert_file: /etc/main-etcd-client-tls/cert.pem
        key_file: /etc/main-etcd-client-tls/key.pem
    #    insecure_skip_verify: true
        ca_file: /etc/main-etcd-client-tls/ca.pem
      file_sd_configs:
      kubernetes_sd_configs:
        - role: node
      relabel_configs:
        - source_labels: [__meta_kubernetes_node_annotation_prometheus_io_scrape_etcd]
          action: keep
          regex: (true)
        - source_labels: [__address__]
          regex: '10\.3\.(.*):.*'
          replacement: '100.64.$1:2379'
          target_label: __address__
        - target_label: __scheme__
          action: replace
          replacement: 'https'
    
    
    - job_name: 'kubernetes-nodes-cadvisor'
      tls_config:
        ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
      bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
      kubernetes_sd_configs:
      - role: node
      relabel_configs:
      - source_labels: [__address__]
        regex: '(.*):10250'
        replacement: '${1}:4194'
        target_label: __address__
      - source_labels: [__meta_kubernetes_node_annotation_prometheus_io_scrape]
        action: keep
        regex: true
    
    
    
    # Based on https://github.com/prometheus/prometheus/blob/63fe65bf2ff8c480bb4350e4d278d3208ca687be/documentation/examples/prometheus-kubernetes.yml#L91-L120
    
    # Scrape config for service endpoints.
    #
    # The relabeling allows the actual service scrape endpoint to be configured
    # via the following annotations:
    #
    # * `prometheus.io/scrape`: Only scrape services that have a value of `true`
    # * `prometheus.io/scheme`: If the metrics endpoint is secured then you will need
    # to set this to `https`; client authentication is not supported.
    # * `prometheus.io/path`: If the metrics path is not `/metrics` override this.
    # * `prometheus.io/port`: If the metrics are exposed on a different port to the
    # service then set this appropriately.
    - job_name: 'kubernetes-service-endpoints'
    
      kubernetes_sd_configs:
      - role: endpoints
    
      tls_config:
        insecure_skip_verify: true
      bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
    
      relabel_configs:
      - source_labels: [__meta_kubernetes_service_annotation_prometheus_io_scrape, __meta_kubernetes_service_annotation_prometheus_io_sample, __meta_kubernetes_pod_node_name]
        action: keep
        regex: true;.*|.*;true;([0-9.]*|.*comp[0-9]*0|.*ctrl[0-9]*)
      - source_labels: [__meta_kubernetes_service_annotation_prometheus_io_scheme]
        action: replace
        target_label: __scheme__
        regex: (https?)
      - source_labels: [__meta_kubernetes_service_annotation_prometheus_io_path]
        action: replace
        target_label: __metrics_path__
        regex: (.+)
      - source_labels: [__address__, __meta_kubernetes_service_annotation_prometheus_io_port]
        action: replace
        target_label: __address__
        regex: (.+)(?::\d+);(\d+)
        replacement: $1:$2
      - action: labelmap
        regex: __meta_kubernetes_service_label_(.+)
      - source_labels: [__meta_kubernetes_namespace]
        action: replace
        target_label: kubernetes_namespace
      - source_labels: [__meta_kubernetes_service_name]
        action: replace
        target_label: kubernetes_name
    
    # Based on https://github.com/prometheus/prometheus/blob/63fe65bf2ff8c480bb4350e4d278d3208ca687be/documentation/examples/prometheus-kubernetes.yml#L162-L187
    
    # The relabeling allows the actual pod scrape endpoint to be configured via the
    # following annotations:
    #
    # * `prometheus.io/scrape`: Only scrape pods that have a value of `true`
    # * `prometheus.io/path`: If the metrics path is not `/metrics` override this.
    # * `prometheus.io/port`: Scrape the pod on the indicated port instead of the default of `9102`.
    - job_name: 'kubernetes-pods'
    
      kubernetes_sd_configs:
      - role: pod
    
      relabel_configs:
      - source_labels: [__meta_kubernetes_pod_annotation_prometheus_io_scrape, __meta_kubernetes_pod_annotation_prometheus_io_sample, __meta_kubernetes_pod_node_name]
        action: keep
        regex: true;.*|.*;true;([0-9.]*|.*comp[0-9]*0|.*ctrl[0-9]*)
      - source_labels: [__meta_kubernetes_pod_annotation_prometheus_io_path]
        action: replace
        target_label: __metrics_path__
        regex: (.+)
      - source_labels: [__address__, __meta_kubernetes_pod_annotation_prometheus_io_port]
        action: replace
        regex: ([^:]+)(?::\d+)?;(\d+)
        replacement: ${1}:${2}
        target_label: __address__
      - action: labelmap
        regex: __meta_kubernetes_pod_label_(.+)
      - source_labels: [__meta_kubernetes_namespace]
        action: replace
        target_label: kubernetes_namespace
      - source_labels: [__meta_kubernetes_pod_name]
        action: replace
        target_label: kubernetes_pod_name
      - source_labels: [__meta_kubernetes_pod_node_name]
        action: replace
        target_label: node_name
