Amit Sharma created YUNIKORN-667:
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             Summary: Update user label key using helm-charts
                 Key: YUNIKORN-667
                 URL: https://issues.apache.org/jira/browse/YUNIKORN-667
             Project: Apache YuniKorn
          Issue Type: Sub-task
          Components: shim - kubernetes
            Reporter: Amit Sharma
            Assignee: Amit Sharma
             Fix For: 0.11


Define user identity in pod labels and retrieve user identity info from the 
labels.
Few assumptions:
* All pods from one application are started by one same user
* Support the case where user label is not given, the default behavior should 
still work as expected
* Use pod label in order for easier querying & selecting
* Known security risk: malicious users may be able to impersonate others by 
injecting values to pod's labels. It is up to other layers in K8s to enforce 
the label can't be modified by users directly, e.g a mutation webhook.



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