OpenShift - Pod stuck Terminating

If you are not familiar with the oc command, refer to OpenShift - Getting Started with the oc command.

Let's say the oc get pods command shows a pod stuck "Terminating".

~]# oc get pods
NAME         READY   STATUS         RESTARTS  AGE
foo-9mzm2    1/1     Running        0         8d
foo-vmzmz    1/1     Terminating    37        30m
bar-pflxc    1/1     Running        0         8d

 

Use the oc describe pod command to see if there are events that explain why the pod is stuck Terminating. Something like this could be returned.

~]# oc describe pod foo-vmzmz
Events:
  Type     Reason     Age                  From                 Message
  ----     ------     ----                 ----                 -------
  Warning  Unhealthy  56m (x124 over 10d)  kubelet, node001  Liveness probe failed: dial tcp 10.15.114.55:6379: i/o timeout
  Warning  Unhealthy  55m (x4 over 56m)    kubelet, node001  Readiness probe failed: rpc error: code = 2 desc = oci runtime error: exec failed: container_linux.go:235: starting container process caused "process_linux.go:83: executing setns process caused \"exit status 15\""
  Normal   Killing    3m (x41 over 10d)    kubelet, node001  Killing container with id docker://pod002:Container failed liveness probe.. Container will be killed and recreated.

 

The oc delete pod command can be used to try to delete the pod. When a pod is stuck Terminating, this command usually hangs indefinitely and the pod remains stuck in a Terminating state.

~]# oc delete pod foo-vmzmz

 

If the prior command hangs, you can try with the --force flag and the --grace-period=0 option.

~]# oc delete pod foo-vmzmz --force --grace-period=0
warning: Immediate deletion does not wait for confirmation that the running resource has been terminated. The resource may continue to run on the cluster indefinitely.
pod "foo-vmzmz" force deleted

 




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