[Bug 1672429] Re: Seems to be no support for tap interfaces - Unexpected vif_type=tap

[jcat]

For info:  http://git.openstack.org/cgit/openstack/nova-
lxd/commit/?id=c9b2950723e45850ba915f8b96389818177d41c7

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https://bugs.launchpad.net/bugs/1672429

Title:
  Seems to be no support for tap interfaces - Unexpected vif_type=tap

Status in nova-lxd package in Ubuntu:
  Incomplete

Bug description:
  nova-lxd fails to launch an instance on a compute host when the
  network type uses tap interfaces in stead of bridged interfaces.

  We use Calico for networking, and it seems that this doesn't work for
  Mitaka on Xenial at least.

  It fails with this error:

  2017-03-13 14:57:38.365 28215 ERROR nova_lxd.nova.virt.lxd.operations [instance: beeae088-ae26-4c75-9169-1c77f98513bf] Traceback (most recent call last):
  2017-03-13 14:57:38.365 28215 ERROR nova_lxd.nova.virt.lxd.operations [instance: beeae088-ae26-4c75-9169-1c77f98513bf]   File "/usr/lib/python2.7/dist-packages/nova_lxd/nova/virt/lxd/operations.py", line 555, in cleanup
  2017-03-13 14:57:38.365 28215 ERROR nova_lxd.nova.virt.lxd.operations [instance: beeae088-ae26-4c75-9169-1c77f98513bf]     self.unplug_vifs(instance, network_info)
  2017-03-13 14:57:38.365 28215 ERROR nova_lxd.nova.virt.lxd.operations [instance: beeae088-ae26-4c75-9169-1c77f98513bf]   File "/usr/lib/python2.7/dist-packages/nova_lxd/nova/virt/lxd/operations.py", line 335, in unplug_vifs
  2017-03-13 14:57:38.365 28215 ERROR nova_lxd.nova.virt.lxd.operations [instance: beeae088-ae26-4c75-9169-1c77f98513bf]     instance=instance)
  2017-03-13 14:57:38.365 28215 ERROR nova_lxd.nova.virt.lxd.operations [instance: beeae088-ae26-4c75-9169-1c77f98513bf]   File "/usr/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
  2017-03-13 14:57:38.365 28215 ERROR nova_lxd.nova.virt.lxd.operations [instance: beeae088-ae26-4c75-9169-1c77f98513bf]     self.force_reraise()
  2017-03-13 14:57:38.365 28215 ERROR nova_lxd.nova.virt.lxd.operations [instance: beeae088-ae26-4c75-9169-1c77f98513bf]   File "/usr/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
  2017-03-13 14:57:38.365 28215 ERROR nova_lxd.nova.virt.lxd.operations [instance: beeae088-ae26-4c75-9169-1c77f98513bf]     six.reraise(self.type_, self.value, self.tb)
  2017-03-13 14:57:38.365 28215 ERROR nova_lxd.nova.virt.lxd.operations [instance: beeae088-ae26-4c75-9169-1c77f98513bf]   File "/usr/lib/python2.7/dist-packages/nova_lxd/nova/virt/lxd/operations.py", line 328, in unplug_vifs
  2017-03-13 14:57:38.365 28215 ERROR nova_lxd.nova.virt.lxd.operations [instance: beeae088-ae26-4c75-9169-1c77f98513bf]     self.vif_driver.unplug(instance, viface)
  2017-03-13 14:57:38.365 28215 ERROR nova_lxd.nova.virt.lxd.operations [instance: beeae088-ae26-4c75-9169-1c77f98513bf]   File "/usr/lib/python2.7/dist-packages/nova_lxd/nova/virt/lxd/vif.py", line 191, in unplug
  2017-03-13 14:57:38.365 28215 ERROR nova_lxd.nova.virt.lxd.operations [instance: beeae088-ae26-4c75-9169-1c77f98513bf]     _("Unexpected vif_type=%s") % vif_type)
  2017-03-13 14:57:38.365 28215 ERROR nova_lxd.nova.virt.lxd.operations [instance: beeae088-ae26-4c75-9169-1c77f98513bf] NovaException: Unexpected vif_type=tap
  2017-03-13 14:57:38.365 28215 ERROR nova_lxd.nova.virt.lxd.operations [instance: beeae088-ae26-4c75-9169-1c77f98513bf] 


  System info:

  
  Description:	Ubuntu 16.04.2 LTS
  Release:	16.04

  nova-compute-lxd:
    Installed: 13.2.0-0ubuntu1.16.04.1
    Candidate: 13.2.0-0ubuntu1.16.04.1
    Version table:
   *** 13.2.0-0ubuntu1.16.04.1 500
          500 http://ubuntu-srv.ocado.com/xenial_r2 xenial-updates/main amd64 Packages
          100 /var/lib/dpkg/status
       13.0.0-0ubuntu3 500
          500 http://ubuntu-srv.ocado.com/xenial_r2 xenial/main amd64 Packages


  Please let me know if you need any further info.

  Thanks.

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