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https://issues.apache.org/jira/browse/FLINK-32334?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gyula Fora reassigned FLINK-32334:
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Assignee: Nicolas Fraison
> Operator failed to create taskmanager deployment because it already exist
> -------------------------------------------------------------------------
>
> Key: FLINK-32334
> URL: https://issues.apache.org/jira/browse/FLINK-32334
> Project: Flink
> Issue Type: Bug
> Components: Kubernetes Operator
> Affects Versions: kubernetes-operator-1.5.0
> Reporter: Nicolas Fraison
> Assignee: Nicolas Fraison
> Priority: Major
>
> During a job upgrade the operator has failed to start the new job because it
> has failed to create the taskmanager deployment:
>
> {code:java}
> Jun 12 19:45:28.115 >>> Status | Error | UPGRADING |
> {"type":"org.apache.flink.kubernetes.operator.exception.ReconciliationException","message":"org.apache.flink.client.deployment.ClusterDeploymentException:
> Could not create Kubernetes cluster
> \"flink-metering\".","throwableList":[{"type":"org.apache.flink.client.deployment.ClusterDeploymentException","message":"Could
> not create Kubernetes cluster
> \"flink-metering\"."},{"type":"org.apache.flink.kubernetes.shaded.io.fabric8.kubernetes.client.KubernetesClientException","message":"Failure
> executing: POST at:
> https://10.129.144.1/apis/apps/v1/namespaces/metering/deployments. Message:
> object is being deleted: deployments.apps \"flink-metering-taskmanager\"
> already exists. Received status: Status(apiVersion=v1, code=409,
> details=StatusDetails(causes=[], group=apps, kind=deployments,
> name=flink-metering-taskmanager, retryAfterSeconds=null, uid=null,
> additionalProperties={}), kind=Status, message=object is being deleted:
> deployments.apps \"flink-metering-taskmanager\" already exists,
> metadata=ListMeta(_continue=null, remainingItemCount=null,
> resourceVersion=null, selfLink=null, additionalProperties={}),
> reason=AlreadyExists, status=Failure, additionalProperties={})."}]} {code}
> As indicated in the error log this is due to taskmanger deployment still
> existing while it is under deletion.
> Looking at the [source
> code|https://github.com/apache/flink-kubernetes-operator/blob/main/flink-kubernetes-operator/src/main/java/org/apache/flink/kubernetes/operator/service/StandaloneFlinkService.java#L150]
> we are well relying on FOREGROUND policy by default.
> Still it seems that the REST API call to delete only wait until the resource
> has been modified and the {{deletionTimestamp}} has been added to the
> metadata: [ensure delete returns only when the delete operation is fully
> finished - Issue #3246 -
> fabric8io/kubernetes-client|https://github.com/fabric8io/kubernetes-client/issues/3246#issuecomment-874019899]
> So we could face this issue if the k8s cluster is slow to "really" delete the
> deployment
>
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