apiVersion: apps/v1beta1
kind: StatefulSet
metadata:
  name: rm-stolon-keeper
  namespace: staging
  labels:
    env: dev
    app: rm-stolon-keeper
    component: "stolon-keeper"
spec:
  serviceName: rm-stolon-keeper
  replicas: 3
  template:
    metadata:
      labels:
        env: dev
        app: rm-stolon-keeper
        component: "stolon-keeper"
        stolon-cluster: rm-stolon
      annotations:
        pod.alpha.kubernetes.io/initialized: "true"
    spec:
      serviceAccountName: rm-stolon
      terminationGracePeriodSeconds: 10
      containers:
      - name: rm-stolon-keeper
        image: "sorintlab/stolon:v0.13.0-pg10"
        imagePullPolicy: "IfNotPresent"
        command:
          - "/bin/bash"
          - "-ec"
          - |
            IFS='-' read -ra ADDR <<< "$(hostname)"
            export STKEEPER_UID="keeper${ADDR[-1]}"
            export POD_IP=$(hostname -i)
            export STKEEPER_PG_LISTEN_ADDRESS=$POD_IP
            export STOLON_DATA1=/stolon-data-1
            export STOLON_DATA2=/stolon-data-2
            export STOLON_DATA3=/stolon-data-3
            chown stolon:stolon $STOLON_DATA1
            chown stolon:stolon $STOLON_DATA2
            chown stolon:stolon $STOLON_DATA3
            exec gosu stolon stolon-keeper --data-dir $STOLON_DATA1
            exec gosu stolon stolon-keeper --data-dir $STOLON_DATA2
            exec gosu stolon stolon-keeper --data-dir $STOLON_DATA3
        env:
          - name: POD_NAME
            valueFrom:
              fieldRef:
                fieldPath: metadata.name
          - name: STKEEPER_CLUSTER_NAME
            value: rm-stolon
          - name: STKEEPER_STORE_BACKEND
            value: "kubernetes"
          - name: STKEEPER_KUBE_RESOURCE_KIND
            value: "configmap"
          - name: STKEEPER_PG_REPL_USERNAME
            value: "admin_replica"
          - name: STKEEPER_PG_REPL_PASSWORDFILE
            value: "/etc/secrets/stolon/pg_repl_password"
          - name: STKEEPER_PG_SU_USERNAME
            value: "admin"
          - name: STKEEPER_PG_SU_PASSWORDFILE
            value: "/etc/secrets/stolon/pg_su_password"
          - name: STKEEPER_DEBUG
            value: "false"
        ports:
          - containerPort: 5432
        volumeMounts:
        - name: stolon-data-1
          mountPath: /stolon-data-1
        - name: stolon-data-2
          mountPath: /stolon-data-2
        - name: stolon-data-3
          mountPath: /stolon-data-3
        - name: stolon-secrets
          mountPath: /etc/secrets/stolon
      volumes:
        - name: stolon-secrets
          secret:
            secretName: rm-stolon
        - name: stolon-data-1
          persistentVolumeClaim:
            claimName: stolon-pvc-1
        - name: stolon-data-2
          persistentVolumeClaim:
            claimName: stolon-pvc-2
        - name: stolon-data-3
          persistentVolumeClaim:
            claimName: stolon-pvc-3