[jira] [Created] (YUNIKORN-95) YuniKorn does not emit FailedScheduling event to k8s if pod uses non-existing PVC

["Adam Antal (Jira)" <ji...@apache.org>]

Adam Antal created YUNIKORN-95:
----------------------------------

             Summary: YuniKorn does not emit FailedScheduling event to k8s if pod uses non-existing PVC
                 Key: YUNIKORN-95
                 URL: https://issues.apache.org/jira/browse/YUNIKORN-95
             Project: Apache YuniKorn
          Issue Type: Bug
          Components: shim - yarn
            Reporter: Adam Antal
            Assignee: Adam Antal


If a pod uses a non-existing PVC, the default-scheduler emit the following event to Kubernetes:
{noformat}
Events:
  Type     Reason            Age   From               Message
  ----     ------            ----  ----               -------
  Warning  FailedScheduling  45s   default-scheduler  persistentvolumeclaim "ebs-claim-auto" not found
{noformat}

YuniKorn does not emit such event, we only know what has happened by checking the logs:
{noformat}
2020-04-10T00:09:06.620Z	DEBUG	cache/task.go:404	checking PVC	{"name": "non-existing-pvc"}
2020-04-10T00:09:06.620Z	DEBUG	cache/application.go:277	task is not ready for scheduling	{"appID": "pod-with-non-existing-pvc", "taskID": "5c3961d1-7abf-11ea-b27d-02ea8179ac42", "error": "persistentvolumeclaim \"non-existing-pvc\" not found"}
{noformat}



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