apiVersion: monitoring.coreos.com/v1
kind: Prometheus
metadata:
  name: k8s
  labels:
    prometheus: k8s
spec:
  replicas: 2
  secrets:
  - etcd-certs
  version: v2.2.1
  serviceAccountName: prometheus-k8s
  serviceMonitorSelector:
    matchExpressions:
    - {key: k8s-app, operator: Exists}
  ruleSelector:
    matchLabels:
      role: alert-rules
      prometheus: k8s
  resources:
    requests:
      # 2Gi is default, but won't schedule if you don't have a node with >2Gi
      # memory. Modify based on your target and time-series count for
      # production use. This value is mainly meant for demonstration/testing
      # purposes.
      memory: 400Mi
  alerting:
    alertmanagers:
    - namespace: monitoring
      name: alertmanager-main
      port: web