Prometheus yaml

Prometheus-proposed-config.yaml

apiVersion: v1
kind: ConfigMap
metadata:
  annotations:
    linkerd.io/created-by: linkerd/cli stable-2.6.1
  labels:
    linkerd.io/control-plane-component: prometheus
    linkerd.io/control-plane-ns: linkerd
  name: linkerd-prometheus-config
  namespace: linkerd
data:
  prometheus.yml: |-
    global:
      scrape_interval: 10s
      scrape_timeout: 10s
      evaluation_interval: 10s

    rule_files:
    - /etc/prometheus/*_rules.yml

    scrape_configs:
    - job_name: 'prometheus'
      static_configs:
      - targets: ['localhost:9090']

    - job_name: 'grafana'
      kubernetes_sd_configs:
      - role: pod
        namespaces:
          names: ['linkerd']
      relabel_configs:
      - source_labels:
        - __meta_kubernetes_pod_container_name
        action: keep
        regex: ^grafana$

    #  Required for: https://grafana.com/grafana/dashboards/315
    - job_name: 'kubernetes-nodes-cadvisor'
      scheme: https
      tls_config:
        ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
        insecure_skip_verify: true
      bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token

      kubernetes_sd_configs:
      - role: node
      relabel_configs:
      - action: labelmap
        regex: __meta_kubernetes_node_label_(.+)
      - target_label: __address__
        replacement: kubernetes.default.svc:443
      - source_labels: [__meta_kubernetes_node_name]
        regex: (.+)
        target_label: __metrics_path__
        replacement: /api/v1/nodes/$1/proxy/metrics/cadvisor
      metric_relabel_configs:
      - source_labels: [__name__]
        regex: '(container|machine)_(cpu|memory|network|fs)_(.+)'
        action: keep
      - source_labels: [__name__]
        regex: 'container_memory_failures_total' # unneeded large metric
        action: drop

    - job_name: 'linkerd-controller'
      kubernetes_sd_configs:
      - role: pod
        namespaces:
          names: ['linkerd']
      relabel_configs:
      - source_labels:
        - __meta_kubernetes_pod_label_linkerd_io_control_plane_component
        - __meta_kubernetes_pod_container_port_name
        action: keep
        regex: (.*);admin-http$
      - source_labels: [__meta_kubernetes_pod_container_name]
        action: replace
        target_label: component

    - job_name: 'linkerd-proxy'
      kubernetes_sd_configs:
      - role: pod
      relabel_configs:
      - source_labels:
        - __meta_kubernetes_pod_container_name
        - __meta_kubernetes_pod_container_port_name
        - __meta_kubernetes_pod_label_linkerd_io_control_plane_ns
        action: keep
        regex: ^linkerd-proxy;linkerd-admin;linkerd$
      - source_labels: [__meta_kubernetes_namespace]
        action: replace
        target_label: namespace
      - source_labels: [__meta_kubernetes_pod_name]
        action: replace
        target_label: pod
      # special case k8s' "job" label, to not interfere with prometheus' "job"
      # label
      # __meta_kubernetes_pod_label_linkerd_io_proxy_job=foo =>
      # k8s_job=foo
      - source_labels: [__meta_kubernetes_pod_label_linkerd_io_proxy_job]
        action: replace
        target_label: k8s_job
      # drop __meta_kubernetes_pod_label_linkerd_io_proxy_job
      - action: labeldrop
        regex: __meta_kubernetes_pod_label_linkerd_io_proxy_job
      # __meta_kubernetes_pod_label_linkerd_io_proxy_deployment=foo =>
      # deployment=foo
      - action: labelmap
        regex: __meta_kubernetes_pod_label_linkerd_io_proxy_(.+)
      # drop all labels that we just made copies of in the previous labelmap
      - action: labeldrop
        regex: __meta_kubernetes_pod_label_linkerd_io_proxy_(.+)
      # __meta_kubernetes_pod_label_linkerd_io_foo=bar =>
      # foo=bar
      - action: labelmap
        regex: __meta_kubernetes_pod_label_linkerd_io_(.+)
      # Copy all pod labels to tmp labels
      - action: labelmap
        regex: __meta_kubernetes_pod_label_(.+)
        replacement: __tmp_pod_label_$1
      # Take `linkerd_io_` prefixed labels and copy them without the prefix
      - action: labelmap
        regex: __tmp_pod_label_linkerd_io_(.+)
        replacement:  __tmp_pod_label_$1
      # Drop the `linkerd_io_` originals
      - action: labeldrop
        regex: __tmp_pod_label_linkerd_io_(.+)
      # Copy tmp labels into real labels
      - action: labelmap
        regex: __tmp_pod_label_(.+)