Monitoring Example Multi-Cluster Enviornment

prometheus-central.yaml

# See https://github.com/helm/charts/tree/master/stable/prometheus

extraScrapeConfigs: |
  # Prometheus Federation. Scrape metrics from prometheus cross-cluster 
  - job_name: 'my-first-cluster'
    scrape_timeout: 30s
    honor_labels: true
    metrics_path: '/federate'
    params:
      'match[]':
        - '{job="prometheus"}'
        - '{job="prometheus-pushgateway"}'
        - '{job="prometheus-blackbox-exporter"}'
        - '{job="kubernetes-apiservers"}'
        - '{job="kubernetes-nodes"}'
        - '{job="kubernetes-nodes-cadvisor"}'
        - '{job="kubernetes-pods"}'
        - '{job="kubernetes-service-endpoints"}'
        - '{job="kubernetes-nodes-cadvisor"}'
        - '{job="kubernetes-pods"}'
        - '{__name__=~"job:.*"}'
    static_configs:
      - targets:
        - '<Link to prometheus in my-first-cluster>'
        labels:
          cluster: my-first-cluster
  - job_name: 'my-second-cluster'
    scrape_timeout: 30s
    honor_labels: true
    metrics_path: '/federate'
    params:
      'match[]':
        - '{job="prometheus"}'
        - '{job="prometheus-pushgateway"}'
        - '{job="ambassador"}'
        - '{job="prometheus-blackbox-exporter"}'
        - '{job="kubernetes-apiservers"}'
        - '{job="kubernetes-nodes"}'
        - '{job="kubernetes-nodes-cadvisor"}'
        - '{job="kubernetes-pods"}'
        - '{job="kubernetes-service-endpoints"}'
        - '{job="kubernetes-nodes-cadvisor"}'
        - '{job="kubernetes-pods"}'
        - '{__name__=~"job:.*"}'
    static_configs:
      - targets:
        - '<Link to prometheus in my-second-cluster>'
        labels:
          cluster: my-second-cluster

# Alerting handled by Grafana
alertmanager:
  enabled: false

## Monitors ConfigMap changes and POSTs to a URL
## Ref: https://github.com/jimmidyson/configmap-reload
##
configmapReload:
  name: configmap-reload
  image:
    repository: jimmidyson/configmap-reload
    tag: v0.2.2
    pullPolicy: IfNotPresent

server:
  enabled: true
  name: server
  image:
    repository: prom/prometheus
    tag: v2.13.1
    pullPolicy: IfNotPresent
  ## Path to a configuration file on prometheus server container FS
  configPath: /etc/config/prometheus.yml
  global:
    ## How frequently to scrape targets by default
    ##
    scrape_interval: 1m
    ## How long until a scrape request times out
    ##
    scrape_timeout: 10s
    ## How frequently to evaluate rules
    ##
    evaluation_interval: 1m
    ##
  ## Data Storage in persistent volume.
#   persistentVolume:
#     enabled: true
#     mountPath: /data
#     subPath: ""
#     storageClass: "ssd"
#     accessModes:
#     - ReadWriteOnce
#     size: 250Gi

nodeExporter:
  enabled: false

pushgateway:
  ## If false, pushgateway will not be installed
  enabled: false
  
kubeStateMetrics:
  enabled: false
 
networkPolicy:
  enabled: false