Change in ovirt-engine[master]: core: CloneImageGroupVolumesStructure - determineSourceImage...

[Code Review]

>From Liron Aravot <laravot at redhat.com>:

Liron Aravot has submitted this change and it was merged.

Change subject: core: CloneImageGroupVolumesStructure - determineSourceImageGroup()
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core: CloneImageGroupVolumesStructure - determineSourceImageGroup()

determineSourceImageGroup() is used to determine the source image group
(which may differ between the first volume and the rest of the volume
 chain in case the disk is based on a template).
The method had two issues:
1. It returned the image id instead of the disk id.
2. It used image.getImageTemplateId() to determine if the disk is based
on template. When disk snapshots are created their image template id
field is copied from the parent volume, which means that all the chain
has the same value in tht field - only the first volume needs to be
created as based on the template disk. This patch changes the check to
use the template disk id only when the template volume is the parent of
the volume by checking that getParentId() equals to
getImageTemplateId().

Change-Id: Ibf5f6cac89846865bb36e07507390e1a9b21e99a
Bug-Url: https://bugzilla.redhat.com/1429184
Bug-Url: https://bugzilla.redhat.com/1429170
Signed-off-by: Liron Aravot <laravot at redhat.com>
---
M backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/storage/disk/image/CloneImageGroupVolumesStructureCommand.java
1 file changed, 2 insertions(+), 1 deletion(-)

Approvals:
  Tal Nisan: Looks good to me, approved
  Allon Mureinik: Looks good to me, approved
  Liron Aravot: Verified; Passed CI tests



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Gerrit-MessageType: merged
Gerrit-Change-Id: Ibf5f6cac89846865bb36e07507390e1a9b21e99a
Gerrit-PatchSet: 2
Gerrit-Project: ovirt-engine
Gerrit-Branch: master
Gerrit-Owner: Liron Aravot <laravot at redhat.com>
Gerrit-Reviewer: Allon Mureinik <amureini at redhat.com>
Gerrit-Reviewer: Jenkins CI
Gerrit-Reviewer: Liron Aravot <laravot at redhat.com>
Gerrit-Reviewer: Tal Nisan <tnisan at redhat.com>
Gerrit-Reviewer: gerrit-hooks <automation at ovirt.org>