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[OpenStack Infra <1656691@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.openstack.org/420451
Committed: https://git.openstack.org/cgit/openstack/nova/commit/?id=3e04a32df4d06f79a11423c9c0a7780d065187b1
Submitter: Jenkins
Branch:    master

commit 3e04a32df4d06f79a11423c9c0a7780d065187b1
Author: Matt Riedemann <mriedem@xxxxxxxxxx>
Date:   Sun Jan 15 16:29:33 2017 -0500

    Add nova-manage cell_v2 delete_cell command
    
    This provides a way to delete empty cell mappings which
    otherwise would have to be done directly in the database.
    
    Change-Id: I541b072638b5d50985145391e76f610417fdcaa6
    Closes-Bug: #1656691


** Changed in: nova
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1656691

Title:
  There is no way to delete a cell mapping except via DB directly

Status in OpenStack Compute (nova):
  Fix Released

Bug description:
  We currently provide a few ways to create cell mappings for cells v2
  in nova-manage but we don't have a way to delete a cell mapping in
  case there are some created erroneously.

  We should provide a nova-manage cell_v2 delete_cell command which
  allows deleting an empty cell mapping, it would take a cell uuid
  argument. If the cell is not found by uuid we should return an error.
  If the cell has mapped hosts or instances then it's not empty and we
  should return an error.

  Later iterations of the command might allow a --force option to delete
  the host/instance mappings so that those could be moved to another
  cell, but that would require some more thought.

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