school-dev-k8s/practice/11.deployment-alternative/2.statefulset/rabbitmq-statefulset/statefulset.yaml

---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: rabbitmq
spec:
  serviceName: rabbitmq
  replicas: 2
  selector:
    matchLabels:
      app: rabbitmq
  template:
    metadata:
      labels:
        app: rabbitmq
    spec:
      serviceAccountName: rabbitmq
      terminationGracePeriodSeconds: 10
      containers:
        - name: rabbitmq-k8s
          image: rabbitmq:3.7
          env:
            - name: MY_POD_IP
              valueFrom:
                fieldRef:
                  fieldPath: status.podIP
            - name: RABBITMQ_USE_LONGNAME
              value: "true"
            - name: RABBITMQ_NODENAME
              value: "rabbit@$(MY_POD_IP)"
            - name: K8S_SERVICE_NAME
              value: "rabbitmq"
            - name: RABBITMQ_ERLANG_COOKIE
              value: "mycookie"
          ports:
            - name: amqp
              protocol: TCP
              containerPort: 5672
          resources:
            limits:
              cpu: 1000m
              memory: 1024Mi
            requests:
              cpu: 10m
              memory: 256Mi
          livenessProbe:
            exec:
              command: ["rabbitmqctl", "status"]
            initialDelaySeconds: 60
            periodSeconds: 60
            timeoutSeconds: 15
          readinessProbe:
            exec:
              command: ["rabbitmqctl", "status"]
            initialDelaySeconds: 20
            periodSeconds: 60
            timeoutSeconds: 10
          imagePullPolicy: Always
          volumeMounts:
            - name: config-volume
              mountPath: /etc/rabbitmq
            - name: data
              mountPath: /var/lib/rabbitmq
      volumes:
        - name: config-volume
          configMap:
            name: rabbitmq-config
            items:
              - key: rabbitmq.conf
                path: rabbitmq.conf
              - key: enabled_plugins
                path: enabled_plugins
      affinity:
        podAntiAffinity:
          preferredDuringSchedulingIgnoredDuringExecution:
            - weight: 100
              podAffinityTerm:
                labelSelector:
                  matchExpressions:
                    - key: app
                      operator: In
                      values:
                        - rabbitmq
                topologyKey: kubernetes.io/hostname
  volumeClaimTemplates:
    - metadata:
        name: data
      spec:
        accessModes: ["ReadWriteOnce"]
        resources:
          requests:
            storage: 20Mi