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https://issues.apache.org/jira/browse/FLINK-17090?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Till Rohrmann updated FLINK-17090:
----------------------------------
Fix Version/s: (was: 1.14.0)
> Harden preckeck for the KubernetesConfigOptions.JOB_MANAGER_CPU
> ---------------------------------------------------------------
>
> Key: FLINK-17090
> URL: https://issues.apache.org/jira/browse/FLINK-17090
> Project: Flink
> Issue Type: Improvement
> Components: Deployment / Kubernetes
> Affects Versions: 1.10.0
> Reporter: Canbin Zheng
> Priority: Minor
>
> If people specify a negative value for the config option of
> {{KubernetesConfigOptions#JOB_MANAGER_CPU}} as what the following command
> does,
> {code:java}
> ./bin/kubernetes-session.sh -Dkubernetes.jobmanager.cpu=-3.0
> -Dkubernetes.cluster-id=...{code}
> then it will throw an exception as follows:
> {quote}org.apache.flink.client.deployment.ClusterDeploymentException: Could
> not create Kubernetes cluster "felix1".
> at
> org.apache.flink.kubernetes.KubernetesClusterDescriptor.deployClusterInternal(KubernetesClusterDescriptor.java:192)
> at
> org.apache.flink.kubernetes.KubernetesClusterDescriptor.deploySessionCluster(KubernetesClusterDescriptor.java:129)
> at
> org.apache.flink.kubernetes.cli.KubernetesSessionCli.run(KubernetesSessionCli.java:108)
> at
> org.apache.flink.kubernetes.cli.KubernetesSessionCli.lambda$main$0(KubernetesSessionCli.java:185)
> at
> org.apache.flink.runtime.security.contexts.NoOpSecurityContext.runSecured(NoOpSecurityContext.java:30)
> at
> org.apache.flink.kubernetes.cli.KubernetesSessionCli.main(KubernetesSessionCli.java:185)
> Caused by: io.fabric8.kubernetes.client.KubernetesClientException: Failure
> executing: POST at:
> [https://cls-cf5wqdwy.ccs.tencent-cloud.com/apis/apps/v1/namespaces/default/deployments].
> Message: Deployment.apps "felix1" is invalid:
> [spec.template.spec.containers[0].resources.limits[cpu]: Invalid value: "-3":
> must be greater than or equal to 0,
> spec.template.spec.containers[0].resources.requests[cpu]: Invalid value:
> "-3": must be greater than or equal to 0]. Received status:
> Status(apiVersion=v1, code=422,
> details=StatusDetails(causes=[StatusCause(field=spec.template.spec.containers[0].resources.limits[cpu],
> message=Invalid value: "-3": must be greater than or equal to 0,
> reason=FieldValueInvalid, additionalProperties={}),
> StatusCause(field=spec.template.spec.containers[0].resources.requests[cpu],
> message=Invalid value: "-3": must be greater than or equal to 0,
> reason=FieldValueInvalid, additionalProperties={})], group=apps,
> kind=Deployment, name=felix1, retryAfterSeconds=null, uid=null,
> additionalProperties={}), kind=Status, message=Deployment.apps "felix1" is
> invalid: [spec.template.spec.containers[0].resources.limits[cpu]: Invalid
> value: "-3": must be greater than or equal to 0,
> spec.template.spec.containers[0].resources.requests[cpu]: Invalid value:
> "-3": must be greater than or equal to 0], metadata=ListMeta(_continue=null,
> resourceVersion=null, selfLink=null, additionalProperties={}),
> reason=Invalid, status=Failure, additionalProperties={}).
> at
> io.fabric8.kubernetes.client.dsl.base.OperationSupport.requestFailure(OperationSupport.java:510)
> at
> io.fabric8.kubernetes.client.dsl.base.OperationSupport.assertResponseCode(OperationSupport.java:449)
> at
> io.fabric8.kubernetes.client.dsl.base.OperationSupport.handleResponse(OperationSupport.java:413)
> at
> io.fabric8.kubernetes.client.dsl.base.OperationSupport.handleResponse(OperationSupport.java:372)
> at
> io.fabric8.kubernetes.client.dsl.base.OperationSupport.handleCreate(OperationSupport.java:241)
> at
> io.fabric8.kubernetes.client.dsl.base.BaseOperation.handleCreate(BaseOperation.java:798)
> at
> io.fabric8.kubernetes.client.dsl.base.BaseOperation.create(BaseOperation.java:328)
> at
> io.fabric8.kubernetes.client.dsl.base.BaseOperation.create(BaseOperation.java:324)
> at
> org.apache.flink.kubernetes.kubeclient.Fabric8FlinkKubeClient.createJobManagerComponent(Fabric8FlinkKubeClient.java:83)
> at
> org.apache.flink.kubernetes.KubernetesClusterDescriptor.deployClusterInternal(KubernetesClusterDescriptor.java:182)
> {quote}
> Since there is a gap in the configuration model between the flink-side and
> the k8s-side, this ticket proposes to harden precheck in the flink k8s
> parameters parsing tool and throw a more user-friendly exception message like
> "the value of {{kubernetes.jobmanager.cpu}} must be greater than or equal to
> 0".
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