Change in ovirt-engine[master]: core: adding engine Maintenance and Prepare mode.(#868639)

[mkublin at redhat.com]

Michael Kublin has submitted this change and it was merged.

Change subject: core: adding engine Maintenance and Prepare mode.(#868639)
......................................................................


core: adding engine Maintenance and Prepare mode.(#868639)

Adding support for engine Maintenance/Prepare mode that is controlled by a new
configuration key named EngineMode (String).

Adding support for engine Prepare mode - value is PrepareMode.
Adding support for engine Maintenance mode - value is MaintenanceMode.

The default value of those configuration keys is Regular, however, this
value can be set to PrepareMode/MaintenanceMode in order to prevent new commands from being
processed by the backend class.

MaintainceMode will prevent of running all commands and some queries marked by
@DisableInMaintenanceMode annotation.

PrepareMode will prevent of running all commands marked by @DisableInPrepareMode
annotation.

Change-Id: Idd86f9f9008a447e160edc913ee8a6cd70912dcb
Signed-off-by: Eli Mesika <emesika at redhat.com>
Signed-off-by: Michael Kublin <mkublin at redhat.com>
Bug-Url:https://bugzilla.redhat.com/868639
---
M backend/manager/dbscripts/upgrade/pre_upgrade/0000_config.sql
M backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/AddDiskCommand.java
M backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/AddVmCommand.java
M backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/AddVmFromScratchCommand.java
M backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/AddVmFromSnapshotCommand.java
M backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/AddVmPoolWithVmsCommand.java
M backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/AddVmTemplateCommand.java
M backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/Backend.java
M backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/CommandsFactory.java
M backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/CreateAllSnapshotsFromVmCommand.java
M backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/DetachUserFromVmFromPoolCommand.java
A backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/DisableInMaintenanceMode.java
A backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/DisableInPrepareMode.java
M backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/ExportVmCommand.java
M backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/ExportVmTemplateCommand.java
M backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/HibernateVmCommand.java
M backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/ImportVmCommand.java
M backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/ImportVmTemplateCommand.java
M backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/MoveOrCopyDiskCommand.java
M backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/RemoveDiskCommand.java
M backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/RemoveSnapshotCommand.java
M backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/RemoveVmCommand.java
M backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/RemoveVmTemplateCommand.java
M backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/UpdateVmPoolWithVmsCommand.java
M backend/manager/modules/bll/src/test/java/org/ovirt/engine/core/bll/BackendTest.java
A backend/manager/modules/common/src/main/java/org/ovirt/engine/core/common/EngineWorkingMode.java
M backend/manager/modules/common/src/main/java/org/ovirt/engine/core/common/config/ConfigValues.java
M backend/manager/modules/dal/src/main/java/org/ovirt/engine/core/dal/VdcBllMessages.java
M backend/manager/modules/dal/src/main/java/org/ovirt/engine/core/dal/dbbroker/generic/DBConfigUtils.java
M backend/manager/modules/dal/src/main/resources/bundles/AppErrors.properties
M frontend/webadmin/modules/frontend/src/main/java/org/ovirt/engine/ui/frontend/AppErrors.java
M frontend/webadmin/modules/userportal-gwtp/src/main/resources/org/ovirt/engine/ui/frontend/AppErrors.properties
M frontend/webadmin/modules/webadmin/src/main/resources/org/ovirt/engine/ui/frontend/AppErrors.properties
33 files changed, 155 insertions(+), 58 deletions(-)

Approvals:
  Michael Kublin: Verified; Looks good to me, approved


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Gerrit-MessageType: merged
Gerrit-Change-Id: Idd86f9f9008a447e160edc913ee8a6cd70912dcb
Gerrit-PatchSet: 10
Gerrit-Project: ovirt-engine
Gerrit-Branch: master
Gerrit-Owner: Eli Mesika <emesika at redhat.com>
Gerrit-Reviewer: Barak Azulay <bazulay at redhat.com>
Gerrit-Reviewer: Eli Mesika <emesika at redhat.com>
Gerrit-Reviewer: Itamar Heim <iheim at redhat.com>
Gerrit-Reviewer: Michael Kublin <mkublin at redhat.com>
Gerrit-Reviewer: Yair Zaslavsky <yzaslavs at redhat.com>