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[Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>]

** Changed in: nova
       Status: Fix Committed => Fix Released

** Changed in: nova
    Milestone: None => kilo-2

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https://bugs.launchpad.net/bugs/1375531

Title:
  swap_volume does not save changes made in _connect_volume

Status in OpenStack Compute (Nova):
  Fix Released

Bug description:
  This is a bug reported by Nikola in a review -
  https://review.openstack.org/#/c/121965/8/nova/virt/libvirt/driver.py.

  swap_volume does not save changes for connection_info.  In
  swap_volume, a call is made to _connect_volume, which modifies
  connection_info.  For example, in the LibvirtISCSIVolumeDriver,
  connection_info['data']['host_device'] = host_device.  However, this
  update is not saved to the DB, such that any updates made within
  swap_volume are lost.  We need to save any changes made in
  _connect_volume to the DB, as it is done elsewhere in the code, e.g.
  _get_guest_storage_config
  https://github.com/openstack/nova/blob/master/nova/virt/libvirt/driver.py#L3488.

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