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[Sean Dague <sean@xxxxxxxxx>]

This is cells v1 missing functionality, it won't be fixed

** Changed in: nova
       Status: Confirmed => Won't Fix

** Changed in: nova
   Importance: Low => Undecided

** Changed in: nova
     Assignee: Charlotte Han (hanrong) => (unassigned)

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https://bugs.launchpad.net/bugs/1527151

Title:
  cells: instance can not evacuate in cells

Status in OpenStack Compute (nova):
  Won't Fix

Bug description:
  There has one api cell and two child cell and four compute nodes,api cell has not compute node. I boot an instance and evacuate the instance, then return error:
  [root@apicell ~(keystone_admin)]# nova evacuate test_vm5
  ERROR (NotFound): The resource could not be found. (HTTP 404) (Request-ID: req-63786e5b-1199-4e2a-a5c0-a1efde0398a8)

  the error log in api cell nova-api.log in:
  http://paste.openstack.org/show/482160/

  The reason is that nova api in api cell first check compute node nova-compute status before evacuate the instance , it calls db.service_get_by_compute_host function, but the api cell db has not compute node service record. Thus resulting in failure evacuate：
   Caught error: Compute host CL-SBCJ-5-3-4 could not be found

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