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From GitBox <...@apache.org>
Subject [GitHub] [openwhisk] mcdan opened a new issue #4711: Namespace errors from k8s client when namespace not set
Date Mon, 04 Nov 2019 18:27:05 GMT
mcdan opened a new issue #4711: Namespace errors from k8s client when namespace not set
URL: https://github.com/apache/openwhisk/issues/4711
 
 
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   ## Environment details:
   
   * local deployment - standalone jar
   * kubernetes versions:
   ```
   {Major:"1", Minor:"15", GitVersion:"v1.15.3", GitCommit:"2d3c76f9091b6bec110a5e63777c332469e0cba2",
GitTreeState:"clean", BuildDate:"2019-08-19T11:05:50Z", GoVersion:"go1.12.9", Compiler:"gc",
Platform:"linux/amd64"}
   ```
   
   ## Steps to reproduce the issue:
   
   1.   Configure the invoker to use KCF
   1.   Create a service user without access to the `--all-namespaces` / `default` namespace
via RBAC
   1.   Use a kubeconfig that doesn't have a namespace set and uses the service user token
   
   ## Provide the expected results and outputs:
   Prewarm Containers should start.
   
   ## Provide the actual results and outputs:
   Prewarm containers don't start and the invoker isn't even listed in: `http://<controller_host_port>/invokers`.
   
   ```
   [2019-11-04T12:33:26.826Z] [ERROR] Namespace not specified. But operation requires namespace.
   io.fabric8.kubernetes.client.KubernetesClientException: Namespace not specified. But operation
requires namespace.
   	at io.fabric8.kubernetes.client.dsl.base.OperationSupport.checkNamespace(OperationSupport.java:172)
   	at io.fabric8.kubernetes.client.dsl.base.OperationSupport.handleCreate(OperationSupport.java:233)
   	at io.fabric8.kubernetes.client.dsl.base.BaseOperation.handleCreate(BaseOperation.java:796)
   	at io.fabric8.kubernetes.client.dsl.base.BaseOperation.create(BaseOperation.java:326)
   	at io.fabric8.kubernetes.client.dsl.base.BaseOperation.create(BaseOperation.java:322)
   	at org.apache.openwhisk.core.containerpool.kubernetes.KubernetesClient.run(KubernetesClient.scala:121)
   	at org.apache.openwhisk.core.containerpool.kubernetes.KubernetesContainer$.create(KubernetesContainer.scala:72)
   	at org.apache.openwhisk.core.containerpool.kubernetes.KubernetesContainerFactory.createContainer(KubernetesContainerFactory.scala:80)
   	at org.apache.openwhisk.core.containerpool.ContainerFactory.createContainer(ContainerFactory.scala:100)
   	at org.apache.openwhisk.core.containerpool.ContainerFactory.createContainer$(ContainerFactory.scala:92)
   	at org.apache.openwhisk.core.containerpool.kubernetes.KubernetesContainerFactory.createContainer(KubernetesContainerFactory.scala:41)
   	at org.apache.openwhisk.core.invoker.InvokerReactive.$anonfun$childFactory$2(InvokerReactive.scala:198)
   	at org.apache.openwhisk.core.invoker.InvokerReactive.$anonfun$childFactory$2$adapted(InvokerReactive.scala:198)
   	at org.apache.openwhisk.core.containerpool.ContainerProxy$$anonfun$1.applyOrElse(ContainerProxy.scala:277)
   	at org.apache.openwhisk.core.containerpool.ContainerProxy$$anonfun$1.applyOrElse(ContainerProxy.scala:249)
   	at scala.runtime.AbstractPartialFunction.apply(AbstractPartialFunction.scala:38)
   	at akka.actor.FSM.processEvent(FSM.scala:706)
   	at akka.actor.FSM.processEvent$(FSM.scala:703)
   	at org.apache.openwhisk.core.containerpool.ContainerProxy.processEvent(ContainerProxy.scala:224)
   	at akka.actor.FSM.akka$actor$FSM$$processMsg(FSM.scala:700)
   	at akka.actor.FSM$$anonfun$receive$1.applyOrElse(FSM.scala:694)
   	at akka.actor.Actor.aroundReceive(Actor.scala:539)
   	at akka.actor.Actor.aroundReceive$(Actor.scala:537)
   	at org.apache.openwhisk.core.containerpool.ContainerProxy.aroundReceive(ContainerProxy.scala:224)
   	at akka.actor.ActorCell.receiveMessage(ActorCell.scala:610)
   	at akka.actor.ActorCell.invoke(ActorCell.scala:579)
   	at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:268)
   	at akka.dispatch.Mailbox.run(Mailbox.scala:229)
   	at akka.dispatch.Mailbox.exec(Mailbox.scala:241)
   	at akka.dispatch.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
   	at akka.dispatch.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)
   	at akka.dispatch.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
   	at akka.dispatch.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
   ```
   

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