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https://ovirt-jira.atlassian.net/browse/OVIRT-2210?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Evgheni Dereveanchin reassigned OVIRT-2210:
-------------------------------------------

    Assignee: Evgheni Dereveanchin  (was: infra)

> VDSM CI failes on all new FC28 slaves becaose of the 'mock' GID
> ---------------------------------------------------------------
>
>                 Key: OVIRT-2210
>                 URL: https://ovirt-jira.atlassian.net/browse/OVIRT-2210
>             Project: oVirt - virtualization made easy
>          Issue Type: Outage
>          Components: CI client projects, Jenkins Slaves
>            Reporter: Barak Korren
>            Assignee: Evgheni Dereveanchin
>            Priority: Highest
>
> We see all check-patch jobs for VDSM failing when running on the new FC28 
> slaves, with an error like the following:
> {code}
> ERROR: Command failed: 
>  # /usr/sbin/groupadd -g 1000 mock
> {code}
> The reason for this issue is that mock tries to have the 'mock' group have 
> the same GID inside and outside of the mock environment. In the case of the 
> new slaves the GID for the 'mock' group is 1000. Since 1000 is the 1st GID 
> you get of you run 'groupadd' the probability of it colliding with any GID 
> created by a package inside the 'mock' env is quite high.
> In the case of the VDSM CI, the GID 1000 is taken by the 'openvswitch' 
> package for the 'hugetlbfs' group. This on its own is a bug because no 
> package should be taking GIDs beyond 1000, but having said that, the CI 
> should not break on this, so we need to move the mock GID to below 1000 to a 
> number that is unlikely to collide with others.
> In the meantime all fc28 slaves will be disabled.



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