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From aledsage <...@git.apache.org>
Subject [GitHub] brooklyn-server pull request #211: BROOKLYN-264 Stop app while VM still bein...
Date Wed, 13 Jul 2016 09:11:56 GMT
Github user aledsage commented on a diff in the pull request:

    https://github.com/apache/brooklyn-server/pull/211#discussion_r70590130
  
    --- Diff: software/base/src/main/java/org/apache/brooklyn/entity/software/base/lifecycle/MachineLifecycleEffectorTasks.java
---
    @@ -709,7 +712,26 @@ protected void doStop(ConfigBag parameters, Callable<StopMachineDetails<Integer>
     
             DynamicTasks.queue("pre-stop", new PreStopCustomTask());
     
    +        // BROOKLYN-263:
    +        // With this change the stop effector will wait for Location to provision so
it can stop it.
    +        // It will not retry if non-jclouds location is used in the entity.
             Maybe<MachineLocation> machine = Machines.findUniqueMachineLocation(entity().getLocations());
    +        if (Boolean.TRUE.equals(entity().sensors().get(Attributes.JCLOUDS_PROVISIONING_STARTED))
    +                && machine.isAbsent()) {
    +            entity().sensors().set(Attributes.JCLOUDS_PROVISIONING_STARTED, null);
    +            Repeater.create("Wait for a machine to appear")
    +                    .until(new Callable<Boolean>() {
    +                        @Override
    +                        public Boolean call() throws Exception {
    +                            return Machines.findUniqueMachineLocation(entity().getLocations()).isPresent();
    +                        }
    +                    })
    +                    .every(Duration.THIRTY_SECONDS)
    --- End diff --
    
    Feels like strange times to use. Why only check every thirty seconds? That means we might
take 29 seconds longer than we should have. The call to `getLocations()` should be cheap,
so doing it every second seems fine.


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