Change in ovirt-engine[ovirt-engine-3.6]: packaging: setup: asynctasks: do not start/stop engine
Tal Nisan has submitted this change and it was merged.
Change subject: packaging: setup: asynctasks: do not start/stop engine
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packaging: setup: asynctasks: do not start/stop engine
async tasks handling/cleanup during setup/upgrade is protected from
adding additional tasks by moving the engine to "maintenance mode".
Without this patch, we also try to start the engine when setting
maintenance mode, and stop it when we finish.
This breaks the migration flow described in the referenced bug,
where we run setup of version X where engine of version X is already
installed, but the database is from an older version. In this flow,
we do not want to start the newer engine to run against an older
database.
It's also ugly in other ways: In a normal upgrade, if the engine was
up, we needlessly try to start it. Later on, this code takes the engine
down, while we immediately try doing that again (at transaction begin).
Stop doing that. Just set maintenance mode in the database and expect
the engine to behave accordingly, if it's up.
If the engine is down, and there are pending tasks, notify the user
accordingly.
This is a cherry-pick of 9736573f2fc1b60e48c2fa64dafc2f3d1088338a.
The flow described above does not apply exactly, as we are supposed
to be in same version of application, but different OS. So we still
do not want to start the engine.
Change-Id: I4f9d31dbb6b748ac3c49ceb7d7d2b53cbd6d38df
Bug-Url: https://bugzilla.redhat.com/1332463
Signed-off-by: Yedidyah Bar David <didi(a)redhat.com>
---
M packaging/setup/plugins/ovirt-engine-setup/ovirt-engine/upgrade/asynctasks.py
1 file changed, 17 insertions(+), 8 deletions(-)
Approvals:
Sandro Bonazzola: Looks good to me, approved
Jenkins CI: Passed CI tests
Yedidyah Bar David: Verified
--
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Gerrit-MessageType: merged
Gerrit-Change-Id: I4f9d31dbb6b748ac3c49ceb7d7d2b53cbd6d38df
Gerrit-PatchSet: 1
Gerrit-Project: ovirt-engine
Gerrit-Branch: ovirt-engine-3.6
Gerrit-Owner: Yedidyah Bar David <didi(a)redhat.com>
Gerrit-Reviewer: Jenkins CI
Gerrit-Reviewer: Piotr Kliczewski <piotr.kliczewski(a)gmail.com>
Gerrit-Reviewer: Sandro Bonazzola <sbonazzo(a)redhat.com>
Gerrit-Reviewer: Tal Nisan <tnisan(a)redhat.com>
Gerrit-Reviewer: Yedidyah Bar David <didi(a)redhat.com>
Gerrit-Reviewer: gerrit-hooks <automation(a)ovirt.org>