apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: rmq-cluster
  namespace: public-service
  labels:
    app: rmq-cluster
spec:
  replicas: 3
  selector:
    matchLabels:
      app: rmq-cluster
  serviceName: rmq-cluster
  template:
    metadata:
      labels:
        app: rmq-cluster
    spec:
      serviceAccountName: rmq-cluster
      terminationGracePeriodSeconds: 30
      containers:
      - name: rabbitmq
        image: rabbitmq:3.7-management
        imagePullPolicy: IfNotPresent
        ports:
        - containerPort: 15672
          name: http
          protocol: TCP
        - containerPort: 5672
          name: amqp
          protocol: TCP
        command:
        - sh
        args:
        - -c
        - cp -v /etc/rabbitmq/rabbitmq.conf ${RABBITMQ_CONFIG_FILE}; exec docker-entrypoint.sh
          rabbitmq-server
        env:
        - name: RABBITMQ_DEFAULT_USER
          valueFrom:
            secretKeyRef:
              key: username
              name: rmq-cluster-secret
        - name: RABBITMQ_DEFAULT_PASS
          valueFrom:
            secretKeyRef:
              key: password
              name: rmq-cluster-secret
        - name: RABBITMQ_ERLANG_COOKIE
          valueFrom:
            secretKeyRef:
              key: cookie
              name: rmq-cluster-secret
        - name: K8S_SERVICE_NAME
          value: rmq-cluster
        - name: POD_IP
          valueFrom:
            fieldRef:
              fieldPath: status.podIP
        - name: POD_NAME
          valueFrom:
            fieldRef:
              fieldPath: metadata.name
        - name: POD_NAMESPACE
          valueFrom:
            fieldRef:
              fieldPath: metadata.namespace
        - name: RABBITMQ_USE_LONGNAME
          value: "true"
        - name: RABBITMQ_NODENAME
          value: rabbit@$(POD_NAME).rmq-cluster.$(POD_NAMESPACE).svc.cluster.local
        - name: RABBITMQ_CONFIG_FILE
          value: /var/lib/rabbitmq/rabbitmq.conf
        livenessProbe:
          exec:
            command:
            - rabbitmqctl
            - status
          initialDelaySeconds: 30
          timeoutSeconds: 10
        readinessProbe:
          exec:
            command:
            - rabbitmqctl
            - status
          initialDelaySeconds: 10
          timeoutSeconds: 10
        volumeMounts:
        - name: config-volume
          mountPath: /etc/rabbitmq
          readOnly: false
        - name: rabbitmq-storage
          mountPath: /var/lib/rabbitmq
          readOnly: false
      volumes:
      - name: config-volume
        configMap:
          items:
          - key: rabbitmq.conf
            path: rabbitmq.conf
          - key: enabled_plugins
            path: enabled_plugins
          name: rmq-cluster-config
      - name: rabbitmq-storage
        persistentVolumeClaim:
          claimName: rabbitmq-cluster-storage