Even if slaves are ephemeral, you need an update mecahnism for the base image. Even more so then in non-ephemeral ones...

בתאריך שבת, 15 בדצמ׳ 2018, 17:25, מאת Eyal Edri (oVirt JIRA) <jira@ovirt-jira.atlassian.net>:

    [ https://ovirt-jira.atlassian.net/browse/OVIRT-1835?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=38569#comment-38569 ]

Eyal Edri commented on OVIRT-1835:
----------------------------------

I'm not sure we need to invest in this if the aim is to more to ephemeral slaves, either containers or VMs.

> Create an automated update mechanism for slaves
> -----------------------------------------------
>
>                 Key: OVIRT-1835
>                 URL: https://ovirt-jira.atlassian.net/browse/OVIRT-1835
>             Project: oVirt - virtualization made easy
>          Issue Type: Improvement
>          Components: Jenkins Slaves
>            Reporter: Barak Korren
>            Assignee: infra
>              Labels: slaves
>
> While we already have an automated mechanism for controlling the YUM/DNF repo configuration on slaves, and we also already have a way to install or update components that are critical to the CI system (Both are provided by '{{global-setup.sh}}'), we're lacking a mechanism that can apply general system updates, and more importantly, kernel updates to slaves.
> Some things we'd like such a mechanism to provide:
> * Require a minimal amount of manual work (Best case scenario - nothing more then merging a repository update patch would be needed).
> * Test updated slaves before putting them back to production use
> * Allow rolling back failed updates



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