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https://issues.apache.org/jira/browse/CLOUDSTACK-9539?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15604462#comment-15604462
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ASF GitHub Bot commented on CLOUDSTACK-9539:
--------------------------------------------
Github user koushik-das commented on a diff in the pull request:
https://github.com/apache/cloudstack/pull/1727#discussion_r84841681
--- Diff: server/src/com/cloud/vm/snapshot/VMSnapshotManagerImpl.java ---
@@ -610,7 +615,11 @@ public UserVm revertToSnapshot(Long vmSnapshotId)
throws InsufficientCapacityExc
VmWorkJobVO placeHolder = null;
placeHolder = createPlaceHolderWork(vmSnapshotVo.getVmId());
try {
- return orchestrateRevertToVMSnapshot(vmSnapshotId);
+ UserVm revertedVM =
orchestrateRevertToVMSnapshot(vmSnapshotId);
+
+ updateUserVmServiceOffering(revertedVM, vmSnapshotVo);
--- End diff --
Better to put updateUserVmServiceOffering() call inside
orchestrateRevertToVMSnapshot() as orchestrate is called from multiple places.
> Support changing Service offering for instance with VM Snapshots
> ----------------------------------------------------------------
>
> Key: CLOUDSTACK-9539
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9539
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Reporter: Nicolas Vazquez
> Assignee: Nicolas Vazquez
>
> h3. Actual behaviour
> CloudStack doesn't support changing service offering for vm instances which
> have vm snapshots, they should be removed before changing service offering.
> h3. Goal
> Extend actual behaviour by supporting changing service offering for vms which
> have vm snapshots. In that case, previously taken snapshots (if reverted)
> should use previous service offering, future snapshots should use the newest.
> h3. Proposed solution:
> 1. Adding {{service_offering_id}} column on {{vm_snapshots}} table: This way
> snapshot can be reverted to original state even though service offering can
> be changed for vm instance.
> NOTE: Existing vm snapshots are populated on update script by {{UPDATE
> vm_snapshots s JOIN vm_instance v ON v.id = s.vm_id SET s.service_offering_id
> = v.service_offering_id;}}
> 2. New vm snapshots will use instance vm service offering id as
> {{service_offering_id}}
> 3. Revert to vm snapshots should use vm snapshot's {{service_offering_id}}
> value.
> h3. Example use case:
> - Deploy vm using service offering A
> - Take vm snapshot -> snap1 (service offering A)
> - Stop vm
> - Change vm service offering to B
> - Revert to VM snapshot snap 1
> - Start vm
> It is expected that vm has service offering A after last step
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