[jira] [Commented] (CLOUDSTACK-9607) Preventing template deletion when template is in use.

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-9607?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16296158#comment-16296158 ] 

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

rhtyd commented on issue #1773: CLOUDSTACK-9607: Preventing template deletion when template is in use.
URL: https://github.com/apache/cloudstack/pull/1773#issuecomment-352632889
 
 
   @priyankparihar fix conflicts please. 

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> 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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