flink on k8s

按照最新的1.11.0版本官方文档装的,中间有些修改,装完后运行了下wordcount是可以运行的,但是web界面任务状态刷不出来,有些异常

官网地址:

https://ci.apache.org/projects/flink/flink-docs-stable/ops/deployment/kubernetes.html

kubectl apply 以下几个文件

flink配置文件

flink-configuration-configmap.yaml

apiVersion: v1

kind: ConfigMap

metadata:

  name: flink-config

  labels:

    app: flink

data:

  flink-conf.yaml: |+

    jobmanager.rpc.address: flink-jobmanager

    taskmanager.numberOfTaskSlots: 20

    blob.server.port: 6124

    jobmanager.rpc.port: 6123

    taskmanager.rpc.port: 6122

    queryable-state.proxy.ports: 6125

    jobmanager.memory.process.size: 1600m

    taskmanager.memory.process.size: 18000m

    parallelism.default: 2

    classloader.resolve-order: child-first

  log4j-console.properties: |+

    # This affects logging for both user code and Flink

    rootLogger.level = INFO

    rootLogger.appenderRef.console.ref = ConsoleAppender

    rootLogger.appenderRef.rolling.ref = RollingFileAppender

    # Uncomment this if you want to _only_ change Flink's logging

    #logger.flink.name = org.apache.flink

    #logger.flink.level = INFO

    # The following lines keep the log level of common libraries/connectors on

    # log level INFO. The root logger does not override this. You have to manually

    # change the log levels here.

    logger.akka.name = akka

    logger.akka.level = INFO

    logger.kafka.name= org.apache.kafka

    logger.kafka.level = INFO

    logger.hadoop.name = org.apache.hadoop

    logger.hadoop.level = INFO

    logger.zookeeper.name = org.apache.zookeeper

    logger.zookeeper.level = INFO

    # Log all infos to the console

    appender.console.name = ConsoleAppender

    appender.console.type = CONSOLE

    appender.console.layout.type = PatternLayout

    appender.console.layout.pattern = %d{yyyy-MM-dd HH:mm:ss,SSS} %-5p %-60c %x - %m%n

    # Log all infos in the given rolling file

    appender.rolling.name = RollingFileAppender

    appender.rolling.type = RollingFile

    appender.rolling.append = false

    appender.rolling.fileName = ${sys:log.file}

    appender.rolling.filePattern = ${sys:log.file}.%i

    appender.rolling.layout.type = PatternLayout

    appender.rolling.layout.pattern = %d{yyyy-MM-dd HH:mm:ss,SSS} %-5p %-60c %x - %m%n

    appender.rolling.policies.type = Policies

    appender.rolling.policies.size.type = SizeBasedTriggeringPolicy

    appender.rolling.policies.size.size=100MB

    appender.rolling.strategy.type = DefaultRolloverStrategy

    appender.rolling.strategy.max = 10

    # Suppress the irrelevant (wrong) warnings from the Netty channel handler

    logger.netty.name = org.apache.flink.shaded.akka.org.jboss.netty.channel.DefaultChannelPipeline

    logger.netty.level = OFF

  log4j-cli.properties: |+

    log4j.rootLogger=INFO, file

    #Log all infos in the given file

    log4j.appender.file=org.apache.log4j.FileAppender

    log4j.appender.file.file=${log.file}

    log4j.appender.file.append=false

    log4j.appender.file.layout=org.apache.log4j.PatternLayout

    log4j.appender.file.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss,SSS} %-5p %-60c %x - %m%n

    # Log output from org.apache.flink.yarn to the console. This is used by the

    # CliFrontend class when using a per-job YARN cluster.

    log4j.logger.org.apache.flink.yarn=INFO, console

    log4j.logger.org.apache.flink.yarn.cli.FlinkYarnSessionCli=INFO, console

    log4j.logger.org.apache.hadoop=INFO, console


    log4j.appender.console=org.apache.log4j.ConsoleAppender

    log4j.appender.console.layout=org.apache.log4j.PatternLayout

    log4j.appender.console.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss,SSS} %-5p %-60c %x - %m%n


    # suppress the warning that hadoop native libraries are not loaded (irrelevant for the client)

    log4j.logger.org.apache.hadoop.util.NativeCodeLoader=OFF


    # suppress the irrelevant (wrong) warnings from the netty channel handler

    log4j.logger.org.apache.flink.shaded.akka.org.jboss.netty.channel.DefaultChannelPipeline=ERROR, file

  log4j.properties: |+

    log4j.rootLogger=INFO, file

    log4j.logger.akka=INFO

    log4j.logger.org.apache.kafka=INFO

    log4j.logger.org.apache.hadoop=INFO

    log4j.logger.org.apache.zookeeper=INFO

    log4j.appender.file=org.apache.log4j.FileAppender

    log4j.appender.file.file=${log.file}

    log4j.appender.file.layout=org.apache.log4j.PatternLayout

    log4j.appender.file.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss,SSS} %-5p %-60c %x - %m%n

    log4j.logger.org.apache.flink.shaded.akka.org.jboss.netty.channel.DefaultChannelPipeline=ERROR, file


jobmanager外部端口service

jobmanager-rest-service.yaml

apiVersion: v1

kind: Service

metadata:

  name: flink-jobmanager-rest

spec:

  type: NodePort

  ports:

  - name: rest

    port: 8081

    targetPort: 8081

    nodePort: 30081

  selector:

    app: flink

    component: jobmanager

jobmanager通信service

jobmanager-service.yaml

apiVersion: v1

kind: Service

metadata:

  name: flink-jobmanager

spec:

  type: ClusterIP

  ports:

  - name: rpc

    port: 6123

  - name: blob-server

    port: 6124

  - name: webui

    port: 8081

  selector:

    app: flink

    component: jobmanager

taskmanager外部端口service

taskmanager-query-stat-service.yaml

apiVersion: v1

kind: Service

metadata:

  name: flink-taskmanager-query-state

spec:

  type: NodePort

  ports:

  - name: query-state

    port: 6125

    targetPort: 6125

    nodePort: 30025

  selector:

    app: flink

    component: taskmanager

taskmanager会话

taskmanager-session-deployment.yaml

apiVersion: apps/v1

kind: Deployment

metadata:

  name: flink-taskmanager

spec:

  replicas: 3

  selector:

    matchLabels:

      app: flink

      component: taskmanager

  template:

    metadata:

      labels:

        app: flink

        component: taskmanager

    spec:

      containers:

      - name: taskmanager

      #  image: flink:1.7.2-scala_2.11

        image: 172.16.22.162:5000/myflink:v2

        args: ["taskmanager"]

        ports:

        - containerPort: 6121

          name: data

        - containerPort: 6122

          name: rpc

        - containerPort: 6125

          name: query-state

        livenessProbe:

          tcpSocket:

            port: 6122

          initialDelaySeconds: 30

          periodSeconds: 60

        volumeMounts:

        - name: flink-config-volume

          mountPath: /opt/flink/conf/

        securityContext:

          runAsUser: 9999  # refers to user _flink_ from official flink image, change if necessary

        env:

      volumes:

      - name: flink-config-volume

        configMap:

          name: flink-config

          items:

          - key: flink-conf.yaml

            path: flink-conf.yaml

          - key: log4j-console.properties

            path: log4j-console.properties

          - key: log4j-cli.properties

            path: log4j-cli.properties

          - key: log4j.properties

            path: log4j.properties

jobmanager会话

jobmanager-session-deployment.yaml

apiVersion: apps/v1

kind: Deployment

metadata:

  name: flink-jobmanager

spec:

  replicas: 1

  selector:

    matchLabels:

      app: flink

      component: jobmanager

  template:

    metadata:

      labels:

        app: flink

        component: jobmanager

    spec:

      containers:

      - name: jobmanager

      #  image: flink:1.7.2-scala_2.11

        image: 172.16.22.162:5000/myflink:v2

#        command: ['chown -R flink:flink /']

        args: ["jobmanager"]

#        command: ["chown -R flink:flink /opt/flink"]

        ports:

        - containerPort: 6123

          name: rpc

        - containerPort: 6124

          name: blob-server

        - containerPort: 8081

          name: webui

        livenessProbe:

          tcpSocket:

            port: 6123

          initialDelaySeconds: 30

          periodSeconds: 60

        volumeMounts:

        - name: flink-config-volume

          mountPath: /opt/flink/conf

        securityContext:

          runAsUser: 9999  # refers to user _flink_ from official flink image, change if necessary

      volumes:

      - name: flink-config-volume

        configMap:

          name: flink-config

          items:

          - key: flink-conf.yaml

            path: flink-conf.yaml

          - key: log4j-console.properties

            path: log4j-console.properties

          - key: log4j-cli.properties

            path: log4j-cli.properties

          - key: log4j.properties

            path: log4j.properties


kubectl apply -f flink-configuration-configmap.yaml

kubectl apply -f jobmanager-service.yaml

kubectl apply -f jobmanager-rest-service.yaml

kubectl apply -f taskmanager-query-stat-service.yaml

kubectl apply -f jobmanager-session-deployment.yaml

kubectl apply -f taskmanager-session-deployment.yaml

去nodeport端口30081访问即可

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