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From "ASF GitHub Bot (JIRA)" <>
Subject [jira] [Commented] (BROOKLYN-264) Stop app while VM still being provisioned: vm is left running when app is expunged
Date Mon, 18 Jul 2016 20:12:20 GMT


ASF GitHub Bot commented on BROOKLYN-264:

Github user asfgit closed the pull request at:

> Stop app while VM still being provisioned: vm is left running when app is expunged
> ----------------------------------------------------------------------------------
>                 Key: BROOKLYN-264
>                 URL:
>             Project: Brooklyn
>          Issue Type: Bug
>    Affects Versions: 0.9.0
>            Reporter: Aled Sage
> A customer deployed an app to AWS, but while the VM was still starting up they stopped
(and thus expunged) the app. The app disappeared from the Brooklyn web-console, but the starting
VM was left behind in AWS.
> This is simple to reproduce:
> 1. deploy a simple blueprint, such as:
> {noformat}
> location: aws-ec2:us-east-1
> services:
> - type: org.apache.brooklyn.entity.machine.MachineEntity
> {noformat}
> 2. wait for the VM to appear in the AWS web-console (with state "initialising")
> 3. call the {{stop}} effector on the top-level app.
> ---
> Looking at the {{start}} task that was executing at the time when {{stop}} was called,
below is the thread's stack trace:
> {noformat}
> Provisioning machine in JcloudsLocation[AWS Virginia:AAAAAAAAAAAAAAAAAAAA/aws-ec2:us-east-1@eyNrLIo5]
> Task[provisioning (AWS Virginia)]@MJITkjw0
> Submitted by SoftlyPresent[value=Task[start]@tKw0qJET]
> In progress, thread waiting (notify) on java.util.concurrent.CountDownLatch$Sync@2ed5be36
> At: org.jclouds.concurrent.FutureIterables.awaitCompletion(
>     org.jclouds.compute.internal.BaseComputeService.createNodesInGroup(
>     org.jclouds.ec2.compute.EC2ComputeService.createNodesInGroup(
>     org.apache.brooklyn.location.jclouds.JcloudsLocation.obtainOnce(
>     org.apache.brooklyn.location.jclouds.JcloudsLocation.obtain(
>     org.apache.brooklyn.util.core.task.Tasks.withBlockingDetails(
>     org.apache.brooklyn.util.core.task.DynamicSequentialTask$
>     org.apache.brooklyn.util.core.task.BasicExecutionManager$
> {noformat}
> From this, we can see that we are still calling jclouds. This means that jclouds has
not yet returned to Brooklyn the VM's id. It also means that the {{MachineEntity}} will not
have been given a {{JcloudsSshMachineLocation}} instance. 
> When {{stop}} is called on the {{MachineEntity}}, it doesn't have a machine location
instance so it doesn't have anything to ask to stop. This is why the VM is left running.

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