[jira] [Created] (FLINK-23043) Wrong master address displayed when run application in native K8s with -Dkubernetes.rest-service.exposed.type=NodePort

[Shang Yuanchun (Jira)]

Shang Yuanchun created FLINK-23043:
--------------------------------------

             Summary: Wrong master address displayed when run application in native K8s with -Dkubernetes.rest-service.exposed.type=NodePort
                 Key: FLINK-23043
                 URL: https://issues.apache.org/jira/browse/FLINK-23043
             Project: Flink
          Issue Type: Bug
          Components: Deployment / Kubernetes
    Affects Versions: 1.13.1
            Reporter: Shang Yuanchun


When running with Native Kubernetes in application mode, and Fabric8 Kubernetes client is configured by Service account, if you specify -Dkubernetes.rest-service.exposed.type=NodePort, the IP address in JobManager Web Interface url displayed is not master node, but instead it is the ClusterIP of service kubernetes.default.svc.

Steps to reproduce:

1.Start a Kubernetes cluster
2.Bind ClusterRole edit to service account: default (for simplicity here)

3.Run kubectl run flink --image flink:latest sleep inf

4.In container, run 

./bin/flink run-application --target kubernetes-application -Dkubernetes.cluster-id=my-application-cluster -Dkubernetes.container.image=flink:latest -Dkubernetes.rest-service.exposed.type=NodePort local:///opt/flink/examples/streaming/TopSpeedWindowing.jar

Here it will say that JobManager Web interface is at [http://10.96.0.1:32333 |http://10.96.0.1:32368/]

But actually 10.96.0.1 here is the environment variable of KUBERNETES_SERVICE_HOST, and it is the ClusterIP of service kubernetes.default.svc, not the address of master node, so [http://10.96.0.1:32333|http://10.96.0.1:32368/] is not accessiable.



--
This message was sent by Atlassian Jira
(v8.3.4#803005)