[Bug 1624997] Re: live-migration fails because of " Host key verification failed"

[James Page]

** Changed in: charm-nova-compute
   Importance: Undecided => Medium

** Changed in: charm-nova-compute
       Status: New => Incomplete

** Changed in: nova-compute (Juju Charms Collection)
       Status: Incomplete => Invalid

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https://bugs.launchpad.net/bugs/1624997

Title:
  live-migration fails because of " Host key verification failed"

Status in OpenStack nova-compute charm:
  Incomplete
Status in Landscape Server:
  New
Status in nova package in Ubuntu:
  Invalid
Status in nova-compute package in Juju Charms Collection:
  Invalid

Bug description:
  OpenStack Mitaka deployed through Autopilot by following
  http://www.ubuntu.com/download/cloud

  While migrate an instance between two nova-compute nodes, below error
  will be captured log:

  2016-09-19 05:50:37.767 5987 ERROR nova.virt.libvirt.driver [req-1a482106-cd47-484a-bf1e-5e1c96dc2009 3473024639d04768a780d4e3b0d92438 72a68c40f9aa4a8b87100824ea708c2a - - -] [instance: 2f145635-bb76-4554-8385-861eb4fc849b] Live Migration failure: operation failed: Failed to connect to remote libvirt URI qemu+ssh://CA29/system: Cannot recv data: Host key verification failed.: Connection reset by peer
  2016-09-19 05:50:37.768 5987 DEBUG nova.virt.libvirt.driver [req-1a482106-cd47-484a-bf1e-5e1c96dc2009 3473024639d04768a780d4e3b0d92438 72a68c40f9aa4a8b87100824ea708c2a - - -] [instance: 2f145635-bb76-4554-8385-861eb4fc849b] Migration operation thread notification thread_finished /usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py:6530
  2016-09-19 05:50:37.777 5987 DEBUG nova.virt.libvirt.driver [req-1a482106-cd47-484a-bf1e-5e1c96dc2009 3473024639d04768a780d4e3b0d92438 72a68c40f9aa4a8b87100824ea708c2a - - -] [instance: 2f145635-bb76-4554-8385-861eb4fc849b] VM running on src, migration failed _live_migration_monitor /usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py:6319
  2016-09-19 05:50:37.778 5987 DEBUG nova.virt.libvirt.driver [req-1a482106-cd47-484a-bf1e-5e1c96dc2009 3473024639d04768a780d4e3b0d92438 72a68c40f9aa4a8b87100824ea708c2a - - -] [instance: 2f145635-bb76-4554-8385-861eb4fc849b] Fixed incorrect job type to be 4 _live_migration_monitor /usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py:6339
  2016-09-19 05:50:37.779 5987 ERROR nova.virt.libvirt.driver [req-1a482106-cd47-484a-bf1e-5e1c96dc2009 3473024639d04768a780d4e3b0d92438 72a68c40f9aa4a8b87100824ea708c2a - - -] [instance: 2f145635-bb76-4554-8385-861eb4fc849b] Migration operation has aborted
  2016-09-19 05:51:07.633 5987 DEBUG nova.virt.libvirt.driver [req-1a482106-cd47-484a-bf1e-5e1c96dc2009 3473024639d04768a780d4e3b0d92438 72a68c40f9aa4a8b87100824ea708c2a - - -] [instance: 2f145635-bb76-4554-8385-861eb4fc849b] Live migration monitoring is all done _live_migration /usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py:6550

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