template.yml

apiVersion: template.openshift.io/v1
kind: Template
labels:
  template: rabbitmq
metadata:
  annotations:
    description: RabbitMQ Deployment and Runtime Components
    iconClass: icon-erlang
    tags: erlang,rabbitmq
  name: rabbitmq
objects:
- apiVersion: rbac.authorization.k8s.io/v1
  kind: RoleBinding
  metadata:
    labels:
      application: "${APPLICATION_NAME}"
    name: view
  roleRef:
    apiGroup: rbac.authorization.k8s.io
    kind: ClusterRole
    name: view
  subjects:
  - kind: ServiceAccount
    name: default
- apiVersion: v1
  kind: Service
  metadata:
    labels:
      application: "${APPLICATION_NAME}"
    name: "${APPLICATION_NAME}"
  spec:
    clusterIP: None
    ports:
    - name: http
      protocol: TCP
      port: 15672
      targetPort: 15672
    - name: amqp
      protocol: TCP
      port: 5672
      targetPort: 5672
    selector:
      application: "${APPLICATION_NAME}"
    sessionAffinity: None
    type: ClusterIP
- apiVersion: apps/v1
  kind: StatefulSet
  metadata:
    labels:
      application: "${APPLICATION_NAME}"
    name: "${APPLICATION_NAME}"
  spec:
    replicas: 3
    selector:
      matchLabels:
        application: "${APPLICATION_NAME}"
    serviceName: "${APPLICATION_NAME}"
    template:
      metadata:
        labels:
          application: "${APPLICATION_NAME}"
      spec:
        affinity:
          podAntiAffinity:
            requiredDuringSchedulingIgnoredDuringExecution:
              - labelSelector:
                  matchExpressions:
                    - key: statefulset
                      operator: In
                      values:
                        - patronitheq
                topologyKey: kubernetes.io/hostname
        containers:
        - env:
          - name: MY_POD_NAME
            valueFrom:
              fieldRef:
                apiVersion: v1
                fieldPath: metadata.name
          - name: MY_POD_NAMESPACE
            valueFrom:
              fieldRef:
                apiVersion: v1
                fieldPath: metadata.namespace
          - name: K8S_SERVICE_NAME
            value: "${APPLICATION_NAME}"
          - name: K8S_HOSTNAME_SUFFIX
            value: .$(K8S_SERVICE_NAME).$(MY_POD_NAMESPACE).svc.cluster.local
          - name: RABBITMQ_ERLANG_COOKIE
            value: sup3rS3cr1+
          - name: RABBITMQ_NODENAME
            value: rabbit@$(MY_POD_NAME).$(K8S_SERVICE_NAME).$(MY_POD_NAMESPACE).svc.cluster.local
          - name: RABBITMQ_USE_LONGNAME
            value: "true"
          image: "${APPLICATION_NAME}:${RABBITMQ_VERSION}"
          imagePullPolicy: Always
          livenessProbe:
            exec:
              # Learn more at https://www.rabbitmq.com/monitoring.html#health-checks.
              command: ["rabbitmq-diagnostics", "status"]
            initialDelaySeconds: 60
            # See https://www.rabbitmq.com/monitoring.html for monitoring frequency recommendations.
            periodSeconds: 60
            timeoutSeconds: 15
          name: "${APPLICATION_NAME}"
          ports:
          - name: http
            protocol: TCP
            containerPort: 15672
          - name: amqp
            protocol: TCP
            containerPort: 5672
          readinessProbe:
            exec:
              # Learn more at https://www.rabbitmq.com/monitoring.html#health-checks.
              command: ["rabbitmq-diagnostics", "check_port_connectivity"]
            initialDelaySeconds: 20
            periodSeconds: 60
            timeoutSeconds: 10
          resources:
            limits:
              cpu: '1'
              memory: 2Gi
            requests:
              cpu: 300m
              memory: 1Gi
          terminationMessagePath: /dev/termination-log
          terminationMessagePolicy: File
          volumeMounts:
          - name: config-volume
            mountPath: /etc/rabbitmq
          - name: mnesia
            mountPath: /var/lib/rabbitmq/mnesia
        dnsPolicy: ClusterFirst
        restartPolicy: Always
        schedulerName: default-scheduler
        securityContext: {}
        terminationGracePeriodSeconds: 10
        volumes:
        - name: config-volume
          configMap:
            name: rabbitmq-config
            items:
            - key: rabbitmq.conf
              path: rabbitmq.conf
            - key: enabled_plugins
              path: enabled_plugins
            - key: policy.json
              path: policy.json
    volumeClaimTemplates:
    - metadata:
        name: mnesia
      spec:
        accessModes: [ "ReadWriteOnce" ]
        resources:
          requests:
            storage: 1Gi
parameters:
- description: The name for the application.
  name: APPLICATION_NAME
  required: true
  value: rabbitmq
- description: RabbitMQ version to build
  name: RABBITMQ_VERSION
  required: true
  value: 3.8.3