[jira] [Resolved] (YUNIKORN-458) Retrieve app taskGroups from pod spec

["Weiwei Yang (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/YUNIKORN-458?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Weiwei Yang resolved YUNIKORN-458.
----------------------------------
    Fix Version/s: YUNIKORN-2
       Resolution: Fixed

> Retrieve app taskGroups from pod spec
> -------------------------------------
>
>                 Key: YUNIKORN-458
>                 URL: https://issues.apache.org/jira/browse/YUNIKORN-458
>             Project: Apache YuniKorn
>          Issue Type: Sub-task
>          Components: shim - kubernetes
>            Reporter: Weiwei Yang
>            Assignee: Ting Yao,Huang
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: YUNIKORN-2
>
>
> YUNIKORN-439 has added the utility function to retrieve taskGroups from pod annotation.
> This task needs to leverage that function to get taskGroups while creating {{pkg/cache/application}} object. For normal apps, we directly retrieve the taskGroups info from the *first pod* seen by the scheduler.
> Similarly, we need to parse the `taskGroupName` for each task (from the pod), and add that to {{pkg/cache/task}} object.
> There are a few assumptions
> # If there are multiple pods in one app. The 1st pod must have the taskGroups defined, or all the pods should have same taskGroups definition.
> # If there are multiple task groups defined, different pods that belong to different groups need to set “yunikorn.apache.org/taskGroupName” accordingly.
> We need to modify amprotocol.go#ApplicationMetadata and TaskMetadata in order to pass those info to the cache.



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