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[Michael Kazakov <1310340@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

Nova don't do live-migration when used long hostname of target host

nova show ubuntu14.04
+--------------------------------------+-----------------------------------------------------------+
| Property                             | Value                                                     |
+--------------------------------------+-----------------------------------------------------------+
..................................................................................................................................
| OS-EXT-SRV-ATTR:host                 |     compute2                                                |
| OS-EXT-SRV-ATTR:hypervisor_hostname  |      compute2.site.local                                     |
..................................................................................................................................

nova live-migration ubuntu14.04  compute2.site.local
ERROR (BadRequest): Compute service of  compute2.site.local is unavailable at this time. (HTTP 400) (Request-ID: req-f344c0bf-aaa3-47e6-a24c-8f37e89858e4)

but 
nova live-migration ubuntu14.04  compute2
runs without error 


Also if you try to do migration through horizon it always fails because horizon use long hostname fo target host.

** Affects: nova
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1310340

Title:
  live migration fails when use long hostname of a nova compute target
  host

Status in OpenStack Compute (Nova):
  New

Bug description:
  Nova don't do live-migration when used long hostname of target host

  nova show ubuntu14.04
  +--------------------------------------+-----------------------------------------------------------+
  | Property                             | Value                                                     |
  +--------------------------------------+-----------------------------------------------------------+
  ..................................................................................................................................
  | OS-EXT-SRV-ATTR:host                 |     compute2                                                |
  | OS-EXT-SRV-ATTR:hypervisor_hostname  |      compute2.site.local                                     |
  ..................................................................................................................................

  nova live-migration ubuntu14.04  compute2.site.local
  ERROR (BadRequest): Compute service of  compute2.site.local is unavailable at this time. (HTTP 400) (Request-ID: req-f344c0bf-aaa3-47e6-a24c-8f37e89858e4)

  but 
  nova live-migration ubuntu14.04  compute2
  runs without error 

  
  Also if you try to do migration through horizon it always fails because horizon use long hostname fo target host.

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