the-billion-message-rabbitmq: 004-StatefulSet.yaml

004-StatefulSet.yaml

---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: rabbitmq
  namespace: rabbitmq
spec:
  serviceName: rabbitmq
  replicas: 3
  selector:
    matchLabels:
      app: rabbitmq
  template:
    metadata:
      labels:
        app: rabbitmq
    spec:
      serviceAccountName: rabbitmq
      terminationGracePeriodSeconds: 10
      nodeSelector:
        node_type: worker
      containers:
      - name: rabbitmq
        image: rabbitmq:3.8.5-management-alpine
        volumeMounts:
          - name: rabbitmq-config-volume
            mountPath: /etc/rabbitmq
          - name: rabbitmq-data-volume
            mountPath: /var/lib/rabbitmq
        ports:
          - name: rabbitmq
            protocol: TCP
            containerPort: 5672
          - name: rabbitmq-ui
            protocol: TCP
            containerPort: 15672
        livenessProbe:
          exec:
            command: ["rabbitmq-diagnostics", "status"]
          initialDelaySeconds: 60
          periodSeconds: 60
          timeoutSeconds: 15
        readinessProbe:
          exec:
            command: ["rabbitmq-diagnostics", "status"]
          initialDelaySeconds: 20
          periodSeconds: 60
          timeoutSeconds: 10
        env:
          - name: MY_POD_NAME
            valueFrom:
              fieldRef:
                apiVersion: v1
                fieldPath: metadata.name
          - name: MY_POD_NAMESPACE
            valueFrom:
              fieldRef:
                fieldPath: metadata.namespace
          - name: RABBITMQ_USE_LONGNAME
            value: "true"
          - name: K8S_SERVICE_NAME
            value: rabbitmq
          - name: RABBITMQ_NODENAME
            value: rabbit@$(MY_POD_NAME).$(K8S_SERVICE_NAME).$(MY_POD_NAMESPACE).svc.cluster.local
          - name: K8S_HOSTNAME_SUFFIX
            value: .$(K8S_SERVICE_NAME).$(MY_POD_NAMESPACE).svc.cluster.local
          - name: RABBITMQ_ERLANG_COOKIE
            valueFrom:
              configMapKeyRef:
                name: rabbitmq
                key: RABBITMQ_ERLANG_COOKIE
          - name: RABBITMQ_DEFAULT_USER
            valueFrom:
              configMapKeyRef:
                name: rabbitmq
                key: RABBITMQ_DEFAULT_USER
          - name: RABBITMQ_DEFAULT_PASS
            valueFrom:
              secretKeyRef:
                name: rabbitmq
                key: rabbitmq_password
      volumes:
        - name: rabbitmq-config-volume
          configMap:
            name: rabbitmq
            items:
            - key: rabbitmq.conf
              path: rabbitmq.conf
            - key: enabled_plugins
              path: enabled_plugins
            - key: definitions.json
              path: definitions.json
  volumeClaimTemplates:
  - metadata:
      name: rabbitmq-data-volume
    spec:
      accessModes:
      - ReadWriteOnce
      resources:
        requests:
          storage: 10Gi
      storageClassName: do-block-storage
...