doorman/doc/loadtest/docker/prometheus/prometheus.yml at 6d26ffd9767d12df8400999ce7b8136f87b524f6 · youtube/doorman · GitHub

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# A scrape configuration for running Prometheus on a Kubernetes cluster.
# This uses separate scrape configs for cluster components (i.e. API server, node)
# and services to allow each to use different authentication configs.
#
# Kubernetes labels will be added as Prometheus labels on metrics via the
# `labelmap` relabeling action.

# Scrape config for cluster components.
scrape_configs:
- job_name: 'kubernetes-cluster'

  # 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 (`in_cluster` below) because discovery & scraping are two
  # separate concerns in Prometheus.
  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:
  - api_servers:
    - 'https://kubernetes.default.svc'
    in_cluster: true
    role: apiserver

  relabel_configs:
  - source_labels: [__meta_kubernetes_role]
    action: keep
    regex: (?:apiserver|node)
  - action: labelmap
    regex: __meta_kubernetes_node_label_(.+)
  - source_labels: [__meta_kubernetes_role]
    action: replace
    target_label: kubernetes_role

# 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` & most likely set the `tls_config` of the scrape config.
# * `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:
  - api_servers:
    - 'https://kubernetes.default.svc'
    in_cluster: true
    role: endpoint

  relabel_configs:
  - source_labels: [__meta_kubernetes_role, __meta_kubernetes_service_annotation_prometheus_io_scrape]
    action: keep
    regex: endpoint;true
  - 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_role]
    action: replace
    target_label: kubernetes_role
  - source_labels: [__meta_kubernetes_service_namespace]
    action: replace
    target_label: kubernetes_namespace
  - source_labels: [__meta_kubernetes_service_name]
    action: replace
    target_label: kubernetes_name

# Example scrape config for probing services via the Blackbox Exporter.
#
# The relabeling allows the actual service scrape endpoint to be configured
# via the following annotations:
#
# * `prometheus.io/probe`: Only probe services that have a value of `true`
- job_name: 'kubernetes-services'

  metrics_path: /probe
  params:
    module: [http_2xx]

  kubernetes_sd_configs:
  - api_servers:
    - 'https://kubernetes.default.svc'
    in_cluster: true
    role: service

  relabel_configs:
  - source_labels: [__meta_kubernetes_role, __meta_kubernetes_service_annotation_prometheus_io_probe]
    action: keep
    regex: service;true
  - source_labels: [__address__]
    target_label: __param_target
  - target_label: __address__
    replacement: blackbox
  - source_labels: [__param_target]
    target_label: instance
  - action: labelmap
    regex: __meta_kubernetes_service_label_(.+)
  - source_labels: [__meta_kubernetes_role]
    target_label: kubernetes_role
  - source_labels: [__meta_kubernetes_service_namespace]
    target_label: kubernetes_namespace
  - source_labels: [__meta_kubernetes_service_name]
    target_label: kubernetes_name