yahoo-eng-team team mailing list archive

[sean redmond <sean.redmond1@xxxxxxxxx>]

Public bug reported:

When using Ceph as the back end storage a snapshot of a volume is
dependent upon the original volume meaning it is an illegal operation to
delete the volume without first deleting the snapshot.

Should you try and delete such a volume horizon {kilo} reports back the
error "Error: You are not allowed to delete volume:" - This error
message is confusing and leaves the end user  unsure why the volume can
not be removed.

I think we should handle this by better checking what cinder API reports
back and displaying a more user friendly error message.

The below is an example of the error that comes back from cinder,
passing this up in horizon would be very helpful.

$ cinder delete 34feea60-fb50-4fbe-8136-885f5553a8a8
Delete for volume 34feea60-fb50-4fbe-8136-885f5553a8a8 failed: Invalid volume: Volume still has 1 dependent snapshots. (HTTP 400) (Request-ID: req-320be24f-ce7a-4a79-9d6f-9166821c42e9)
ERROR: Unable to delete any of specified volumes.
$

** Affects: horizon
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1502876

Title:
  Error: You are not allowed to delete volume: $X

Status in OpenStack Dashboard (Horizon):
  New

Bug description:
  When using Ceph as the back end storage a snapshot of a volume is
  dependent upon the original volume meaning it is an illegal operation
  to delete the volume without first deleting the snapshot.

  Should you try and delete such a volume horizon {kilo} reports back
  the error "Error: You are not allowed to delete volume:" - This error
  message is confusing and leaves the end user  unsure why the volume
  can not be removed.

  I think we should handle this by better checking what cinder API
  reports back and displaying a more user friendly error message.

  The below is an example of the error that comes back from cinder,
  passing this up in horizon would be very helpful.

  $ cinder delete 34feea60-fb50-4fbe-8136-885f5553a8a8
  Delete for volume 34feea60-fb50-4fbe-8136-885f5553a8a8 failed: Invalid volume: Volume still has 1 dependent snapshots. (HTTP 400) (Request-ID: req-320be24f-ce7a-4a79-9d6f-9166821c42e9)
  ERROR: Unable to delete any of specified volumes.
  $

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