On Wed, Mar 21, 2018 at 11:56 AM, Yedidyah Bar David <didi@redhat.com> wrote:
On Wed, Mar 21, 2018 at 11:48 AM, Code Review <gerrit@ovirt.org> wrote:
> From Jenkins CI:
> Jenkins CI has posted comments on this change.
> Change subject: Test hosted-engine cleanup
> ......................................................................
> Patch Set 19:
> Build Failed
> http://jenkins.ovirt.org/job/ovirt-system-tests_master_check-patch-el7-x86_64/4616/ : FAILURE

This is a retrigger of my previous mail to infra. Failed with:

09:48:27 CLEANUP: Stop all running containers and remove unwanted images

09:48:37 Error response from daemon: conflict: unable to delete
782fe38c8050 (cannot be forced) - image has dependent child images
09:48:37 Error response from daemon: conflict: unable to delete
bcec0ae8107e (cannot be forced) - image has dependent child images
09:48:37 ERROR: Failed to clean docker images

I have already seen this before.

Perhaps we should automatically reprovision all slaves periodically?
They should be cattle, not pets, right? :-)
I already suggested this in the past and there was some objection...

Unfourtunately oVIrt knows more how to handle pets than cattle :) 
This topic has indeed been discussed numerous times, since we use mock, we don't need to reprovision slaves, but there are some cleanups being done that might fail occasionally.
Our plan is to move away from mock to containers, so hopefully jobs will run on clean containers running on OpenShift, so I don't think its worth investing too much in the current solution over other priorities,
Especially since it doesn't fail often, and each time it fails we improve the cleanup to handle the issue. 

> --
> To view, visit https://gerrit.ovirt.org/88331
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> Gerrit-Project: ovirt-system-tests
> Gerrit-Branch: master
> Gerrit-MessageType: comment
> Gerrit-Change-Id: I5876a419dc2437de51149b1fe02ffd900e6ab29e
> Gerrit-Change-Number: 88331
> Gerrit-PatchSet: 19
> Gerrit-Owner: Yedidyah Bar David <didi@redhat.com>
> Gerrit-Reviewer: Jenkins CI
> Gerrit-Reviewer: Sandro Bonazzola <sbonazzo@redhat.com>
> Gerrit-Reviewer: Yedidyah Bar David <didi@redhat.com>
> Gerrit-Comment-Date: Wed, 21 Mar 2018 09:48:41 +0000
> Gerrit-HasComments: No

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