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[Matt Riedemann <mriedem@xxxxxxxxxx>]

** Also affects: nova/liberty
   Importance: Undecided
       Status: New

** Changed in: nova
   Importance: Medium => High

** Also affects: nova/mitaka
   Importance: Undecided
       Status: New

** Changed in: nova/liberty
       Status: New => In Progress

** Changed in: nova/mitaka
       Status: New => In Progress

** Changed in: nova/liberty
   Importance: Undecided => High

** Changed in: nova/mitaka
   Importance: Undecided => High

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Engineering Team, which is subscribed to OpenStack Compute (nova).
https://bugs.launchpad.net/bugs/1576048

Title:
  "live_migration" call in Liberty doesn't have backwards compatibility
  with Kilo

Status in OpenStack Compute (nova):
  Fix Released
Status in OpenStack Compute (nova) liberty series:
  In Progress
Status in OpenStack Compute (nova) mitaka series:
  In Progress

Bug description:
  "live_migration" call in Liberty doesn't have backwards compatibility
  with Kilo.

  Liberty control plane and Kilo compute nodes.

  Doing live-migration and getting error below on compute node

  TypeError: live_migration() got an unexpected keyword argument
  'migration'

  Workaround(On controller): http://paste.openstack.org/show/495612/

  Environment
  ==========
  Libvirt+KVM, Ceph for VMs
  Liberty - Mirantis OpenStack 8.0 (2015.2)
  Kilo - 2015.1.3 tag

  Steps to reproduce
  ===============
  1) Install Liberty control plane (api, conductor, schduler, etc.)
  2) Install Kilo compute
  3) Add to nova.conf on controller
    [upgrade_levels]
    compute=kilo
  3) Try "nova live-migration VM"

  Expected result
  =============
  Migration will succeed

  Actual result
  ==========
  Traceback on compute node
  http://paste.openstack.org/show/495541/

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