Dockerfile

FROM openjdk:8-jdk-alpine
ENV TZ=Asia/Shanghai
RUN set -eux; \
    ln -snf /usr/share/zoneinfo/$TZ /etc/localtime; \
    echo $TZ > /etc/timezone
ARG JAR_FILE="start-0.0.1-SNAPSHOT.jar"    
ENV JAVA_OPTS=-Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.port=32767 -Dcom.sun.management.jmxremote.rmi.port=32767 -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false -Dcom.sun.management.jmxremote.local.only=false -Djava.rmi.server.hostname=192.168.222.101  
VOLUME /tmp
COPY ${JAR_FILE} app.jar
EXPOSE 32767 8889
ENTRYPOINT java ${JAVA_OPTS} -jar /app.jar

• 192.168.222.101为Master节点IP
• NodePort暴露的端口需与32767一致

docker build --build-arg JAR_FILE=start-0.0.1-SNAPSHOT.jar -t zhangxueliang2020/jmx-test:0213 .

K8S:service

[root@m-0 ~]# kubectl get  svc jmx-test -o yaml
apiVersion: v1
kind: Service
metadata:
  creationTimestamp: "2023-02-13T13:17:03Z"
  labels:
    app: jmx-test
  name: jmx-test
  namespace: default
  resourceVersion: "784703613"
  uid: 06546bc4-b46b-4909-847f-8363728fc0be
spec:
  clusterIP: 10.102.213.230
  clusterIPs:
  - 10.102.213.230
  externalTrafficPolicy: Cluster
  internalTrafficPolicy: Cluster
  ipFamilies:
  - IPv4
  ipFamilyPolicy: SingleStack
  ports:
  - name: jmx
    nodePort: 32767
    port: 32767
    protocol: TCP
    targetPort: 32767
  - name: app
    nodePort: 32089
    port: 8889
    protocol: TCP
    targetPort: 8889
  selector:
    app: jmx-test
  sessionAffinity: None
  type: NodePort
status:
  loadBalancer: {}

K8S:Deployment

[root@m-0 ~]# kubectl get deploy jmx-test -oyaml
apiVersion: apps/v1
kind: Deployment
metadata:
  annotations:
    deployment.kubernetes.io/revision: "10"
  creationTimestamp: "2023-02-13T11:52:00Z"
  generation: 10
  labels:
    app: jmx-test
  name: jmx-test
  namespace: default
  resourceVersion: "783818165"
  selfLink: /apis/apps/v1/namespaces/default/deployments/jmx-test
  uid: 93e95d0f-13a0-4ff4-8216-6ba6a37b611f
spec:
  progressDeadlineSeconds: 600
  replicas: 1
  revisionHistoryLimit: 10
  selector:
    matchLabels:
      app: jmx-test
  strategy:
    rollingUpdate:
      maxSurge: 25%
      maxUnavailable: 25%
    type: RollingUpdate
  template:
    metadata:
      annotations:
        kubectl.kubernetes.io/restartedAt: "2023-02-13T23:27:38+08:00"
      creationTimestamp: null
      labels:
        app: jmx-test
    spec:
      containers:
      - image: zhangxueliang2020/jmx-test:0213
        imagePullPolicy: Always
        name: jmx-test
        ports:
        - containerPort: 32767
          name: tcp-jmx
          protocol: TCP
        - containerPort: 8889
          name: app
          protocol: TCP
        resources: {}
        terminationMessagePath: /dev/termination-log
        terminationMessagePolicy: File
      dnsPolicy: ClusterFirst
      restartPolicy: Always
      schedulerName: default-scheduler
      securityContext: {}
      terminationGracePeriodSeconds: 30
status:
  availableReplicas: 1
  conditions:
  - lastTransitionTime: "2023-02-13T11:52:02Z"
    lastUpdateTime: "2023-02-13T11:52:02Z"
    message: Deployment has minimum availability.
    reason: MinimumReplicasAvailable
    status: "True"
    type: Available
  - lastTransitionTime: "2023-02-13T11:52:00Z"
    lastUpdateTime: "2023-02-13T15:27:40Z"
    message: ReplicaSet "jmx-test-556b8b7d88" has successfully progressed.
    reason: NewReplicaSetAvailable
    status: "True"
    type: Progressing
  observedGeneration: 10
  readyReplicas: 1
  replicas: 1
  updatedReplicas: 1