[jira] [Resolved] (YUNIKORN-1084) Update namespace handling in admission controller

["Wilfred Spiegelenburg (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/YUNIKORN-1084?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wilfred Spiegelenburg resolved YUNIKORN-1084.
---------------------------------------------
    Fix Version/s: 1.0.0
       Resolution: Fixed

both helm charts and shim repository have been updated

> Update namespace handling in admission controller
> -------------------------------------------------
>
>                 Key: YUNIKORN-1084
>                 URL: https://issues.apache.org/jira/browse/YUNIKORN-1084
>             Project: Apache YuniKorn
>          Issue Type: Improvement
>          Components: shim - kubernetes
>            Reporter: Craig Condit
>            Assignee: Craig Condit
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.0.0
>
>
> The current namespaceBlacklist property in the admission controller is very unclear and doesn't handle all the cases we need. It is meant to ignore any pods listed in the included namespaces. However, these pods still get annotated with 'schedulerName: yunikorn' which is incorrect.
> Additionally, when running in scheduler plugin mode, we often want to control which namespaces should be processed by yunikorn scheduling logic, and which should be passed through to the default scheduler logic.
> We should use (all comma-separated regexes):
>  * processNamespaces: (default empty, means ALL)
>  * bypassNamespaces: (default '^kube-system$')
>  * labelNamespaces: (default empty, means ALL)
>  * noLabelNamespaces: (default empty, means NONE)
> So the logic becomes:
> 1) Is namespace in bypassNamespaces and NOT in processNamespaces? If so, do nothing (allow pod to proceed to default scheduler), and terminate.
> 2) Update schedulerName to yunikorn
> 3) Is namespace labelNamespaces and NOT in noLabelNamespaces? If so, apply labels.



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