Commits on Jun 8, 2022

1. CSI: skip node unpublish on GC'd or down nodes …

   If the node has been GC'd or is down, we can't send it a node
   unpublish. The CSI spec requires that we don't send the controller
   unpublish before the node unpublish, but in the case where a node is
   gone we can't know the final fate of the node unpublish step.
   
   The `csi_hook` on the client will unpublish if the allocation has
   stopped and if the host is terminated there's no mount for the volume
   anyways. So we'll now assume that the node has unpublished at its
   end. If it hasn't, any controller unpublish will potentially hang or
   error and need to be retried.

   

   tgross committed Jun 8, 2022
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