Change in ovirt-engine[ovirt-engine-3.6]: core: Losing graphical protocol fix

[tnisan at redhat.com]

Tal Nisan has submitted this change and it was merged.

Change subject: core: Losing graphical protocol fix
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core: Losing graphical protocol fix

The problem was that changing graphical protocol (SPICE, VNC) in setups
with ConfigValues.MultipleGraphicsSupported set to false might cause
to attempt to have multiple graphics devices for a while.

Causes:
1. Operations of adding and removing graphics devices were not ordered.
   Now devices are first removed then added.

2. Methods CommandBase#canDoAction()/validate() are by default called
   in separate DB transaction. This causes AddGraphicsDeviceCommand
   validation method to not being aware of previous device removals.
   Fixed by @CanDoActionSupportsTransaction.

Change-Id: Ibd69f9a6dc69892a7189a7bab6be464a5094a9ac
Bug-Url: https://bugzilla.redhat.com/1297751
Signed-off-by: Jakub Niedermertl <jniederm at redhat.com>
---
M backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/AddGraphicsDeviceCommand.java
M backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/UpdateVmCommand.java
2 files changed, 38 insertions(+), 19 deletions(-)

Approvals:
  Jakub Niedermertl: Verified
  Jenkins CI: Passed CI tests
  Arik Hadas: Looks good to me, approved



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Gerrit-MessageType: merged
Gerrit-Change-Id: Ibd69f9a6dc69892a7189a7bab6be464a5094a9ac
Gerrit-PatchSet: 3
Gerrit-Project: ovirt-engine
Gerrit-Branch: ovirt-engine-3.6
Gerrit-Owner: Jakub Niedermertl <jniederm at redhat.com>
Gerrit-Reviewer: Arik Hadas <ahadas at redhat.com>
Gerrit-Reviewer: Jakub Niedermertl <jniederm at redhat.com>
Gerrit-Reviewer: Jenkins CI
Gerrit-Reviewer: Tal Nisan <tnisan at redhat.com>
Gerrit-Reviewer: gerrit-hooks <automation at ovirt.org>