apiVersion: v1
kind: ServiceAccount
metadata:
  name: prometheus
---
apiVersion: rbac.authorization.k8s.io/v1beta1
kind: ClusterRole
metadata:
  name: prometheus
rules:
- apiGroups: [""]
  resources:
  - nodes
  - services
  - endpoints
  - pods
  verbs: ["get", "list", "watch"]
- apiGroups: [""]
  resources:
  - configmaps
  verbs: ["get"]
- nonResourceURLs: ["/metrics"]
  verbs: ["get"]
---
apiVersion: rbac.authorization.k8s.io/v1beta1
kind: ClusterRoleBinding
metadata:
  name: prometheus
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: prometheus
subjects:
- kind: ServiceAccount
  name: prometheus
  namespace: default
---
apiVersion: monitoring.coreos.com/v1
kind: Prometheus
metadata:
  name: main
  namespace: default
  labels:
    prometheus: main
spec:
  serviceAccountName: prometheus
  version: v1.7.1
  serviceMonitorSelector:
    matchLabels:
      infra: monitoring
  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
---
apiVersion: v1
kind: Service
metadata:
  name: prometheus
  namespace: default
spec:
  type: NodePort
  ports:
  - name: web
    nodePort: 30100
    port: 9090
    protocol: TCP
    targetPort: web
  selector:
    prometheus: main