apiVersion: v1
kind: ConfigMap
metadata:
  name: prometheus-map
  namespace: sopod
  labels:
    app: prometheus-map
data:
  prometheus.yml: |-
    global:
      scrape_interval: 15s # Set the scrape interval to every 15 seconds. Default is every 1 minute.
      evaluation_interval: 15s # Evaluate rules every 15 seconds. The default is every 1 minute.
      # scrape_timeout is set to the global default (10s).
    
    scrape_configs:
      - job_name: "prometheus"
        static_configs:
          - targets: ["localhost:9090"]
      # - job_name: "gateway-http-svc"
      #   static_configs:
      #     - targets: ["gateway-http-svc:9100"]
      # - job_name: "svr-gateway-ws1-svc"
      #   static_configs:
      #     - targets: ["svr-gateway-ws1-svc:9100"]
      # - job_name: "svr-gateway-ws2-svc"
      #   static_configs:
      #     - targets: ["svr-gateway-ws2-svc:9100"]

---

apiVersion: v1
kind: PersistentVolume
metadata:
  namespace: sopod
  name: prometheus-pv
  labels:
    pv: prometheus-pv
spec:
  capacity:
    storage: 20Gi
  accessModes:
    - ReadWriteMany
  persistentVolumeReclaimPolicy: Retain
  storageClassName: local-storage
  local:
    path: /data/k8s_data/prometheus/data
  nodeAffinity:
    required:
      nodeSelectorTerms:
        - matchExpressions:
            - key: node-role.kubernetes.io/master
              operator: In
              values:
                - "true"
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: prometheus-pvc
  namespace: sopod
spec:
  storageClassName: local-storage
  accessModes:
    - ReadWriteMany
  resources:
    requests:
      storage: 20Gi
  selector:
    matchLabels:
      pv: prometheus-pv

---
apiVersion: v1
kind: Pod
metadata:
  name: prometheus
  namespace: sopod
  labels:
    app: prometheus
spec:
  containers:
    - name: prometheus
      securityContext:
        runAsUser: 0 # open /opt/bitnami/prometheus/data/queries.active: permission denied
      image: bitnami/prometheus:2.47.0
      imagePullPolicy: IfNotPresent
      args:
        - "--config.file=/opt/bitnami/prometheus/conf/prometheus.yml"
        - "--web.listen-address=:9090"
        - "--storage.tsdb.path=/opt/bitnami/prometheus/data/"
      ports:
        - containerPort: 9090
      volumeMounts:
        - name: prometheus-data
          mountPath: /opt/bitnami/prometheus/data/
        - name: prometheus-map-vol
          mountPath: /opt/bitnami/prometheus/conf/
  volumes:
    - name: prometheus-data
      persistentVolumeClaim:
        claimName: prometheus-pvc
    - name: prometheus-map-vol
      configMap:
        name: prometheus-map

---
apiVersion: v1
kind: Service
metadata:
  namespace: sopod
  name: prometheus-svc
  labels:
    app: prometheus-svc
spec:
  type: NodePort
  ports:
    - name: prometheus
      port: 9090
      nodePort: 30090
  selector:
    app: prometheus