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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CLOUDSTACK-9607) Preventing template deletion when template is in use.
Date Tue, 21 Feb 2017 21:18:44 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-9607?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15876737#comment-15876737
] 

ASF GitHub Bot commented on CLOUDSTACK-9607:
--------------------------------------------

Github user serg38 commented on the issue:

    https://github.com/apache/cloudstack/pull/1773
  
    @jburwell That was default behavior for few years to allow deletion of the template even
if active VMs exist. Deletion of the template on secondary doesn't remove the template copy
on primary storage so all existing VM function work just fine. 
    From my prospective if we allow forced deletion from the UI I am fine with switching default
to forced=no and documenting it in Release Notes. 


> Preventing template deletion when template is in use.
> -----------------------------------------------------
>
>                 Key: CLOUDSTACK-9607
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9607
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>            Reporter: Priyank Parihar
>            Assignee: Priyank Parihar
>
> Consider this scenario:
> 1. User launches a VM from Template and keep it running
> 2. Admin logins and deleted that template [CloudPlatform does not check existing / running
VM etc. while the deletion is done]
> 3. User resets the VM
> 4. CloudPlatform fails to star the VM as it cannot find the corresponding template.
> It throws error as 
> java.lang.RuntimeException: Job failed due to exception Resource [Host:11] is unreachable:
Host 11: Unable to start instance due to can't find ready template: 209 for data center 1
>         at com.cloud.vm.VmWorkJobDispatcher.runJob(VmWorkJobDispatcher.java:113)
>         at org.apache.cloudstack.framework.jobs.impl.AsyncJobManagerImpl$5.runInContext(AsyncJobManagerImpl.java:495)
> Client is requesting better handing of this scenario. We need to check existing / running
VM's when the template is deleted and warn admin about the possible issue that may occur.
> REPRO STEPS
> ==================
> 1. Launches a VM from Template and keep it running
> 2. Now delete that template 
> 3. Reset the VM
> 4. CloudPlatform fails to star the VM as it cannot find the corresponding template.
> EXPECTED BEHAVIOR
> ==================
> Cloud platform should throw some warning message while the template is deleted if that
template is being used by existing / running VM's
> ACTUAL BEHAVIOR
> ==================
> Cloud platform does not throw as waring etc.



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