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From aledsage <...@git.apache.org>
Subject [GitHub] brooklyn-server issue #487: Change default `machineCreateAttempts` to 3
Date Thu, 15 Dec 2016 16:09:49 GMT
Github user aledsage commented on the issue:

    https://github.com/apache/brooklyn-server/pull/487
  
    @neykov @drigodwin for VMs being "orphaned", not managed by Brooklyn, I think it's good
enough for now. The only times I know of it happening are:
    1. When Brooklyn was terminated during provisioning (before it got the VM id back from
jclouds) - i.e. https://issues.apache.org/jira/browse/BROOKLYN-264
    2. When the cloud gives us an error, when we try to delete the VM (e.g. https://issues.apache.org/jira/browse/BROOKLYN-411)
    
    For (2), there's not much we can do - but we could improve things a bit:
    1. Try to handle such cases in jclouds (but for BROOKLYN-411 we already retried 6 times!)
    2. Raise an event that the VM is "orphaned" (requires a better place to push such events,
rather than just the info log; that's a separate topic!)
    
    Of course if someone also sets `destroyOnFailure: false` then we'll leave behind an orphaned
VM!


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