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https://ovirt-jira.atlassian.net/browse/OVIRT-1535?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Daniel Belenky reassigned OVIRT-1535:
-------------------------------------
Assignee: Daniel Belenky (was: infra)
> Docker cleanup fails to clean non-named/non-tagged images
> ---------------------------------------------------------
>
> Key: OVIRT-1535
> URL: https://ovirt-jira.atlassian.net/browse/OVIRT-1535
> Project: oVirt - virtualization made easy
> Issue Type: New Feature
> Reporter: Daniel Belenky
> Assignee: Daniel Belenky
> Priority: Highest
>
> In a case where a docker image is being built, it generates layers which are
> unnamed and untagged. This causes the cleanup script to fail when trying to
> clean them.
> An example of such a failure can be found
> [here|http://jenkins.ovirt.org/job/ovirt-containers_master_check-patch-el7-x86_64/55/]
> The quick fix would be to ignore those trailing layers or alternatively
> detect them and remove them by image id. Imo, the second option is safer
> because every 'trailing layer' like that may get large (1GB+).
> The long-term solution would be to implement some sort of garbage collector
> for orphaned layers.
> I've found an open ticket [1] with some optional solutions, still need to see
> if they fit for our use case. If not, maybe consider implementing something
> similar.
> [1] [github|https://github.com/docker/docker-registry/issues/223]
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