[Bug 1815922] Re: nova-lxd fails to launch instance with firewall-driver=openvswitch

[Nobuto Murata]

** Attachment added: "juju-crashdump-85ddd689-1901-411f-a54c-5c06de84bfa3.tar.xz"
   https://bugs.launchpad.net/ubuntu/+source/nova-lxd/+bug/1815922/+attachment/5238638/+files/juju-crashdump-85ddd689-1901-411f-a54c-5c06de84bfa3.tar.xz

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Title:
  nova-lxd fails to launch instance with firewall-driver=openvswitch

Status in nova-lxd package in Ubuntu:
  Confirmed

Bug description:
  might be related:
  https://bugs.launchpad.net/cloud-archive/+bug/1681758
  https://bugs.launchpad.net/nova-lxd/+bug/1808388

  When nova-lxd is deployed with firewall-driver=openvswitch, launching
  instance fails with:

  2019-02-14 15:28:20.907 21979 INFO os_vif [req-f2219e73-6880-4655-aef4-ae6e9220a277 d17b0515c8684a538b7c34955f14e059 2d83efd6a3a84bcd8d3902350f33a3d5 - 1758b80aa1684e9f8c9148e3d049eb70 1758b80aa1684e9f8c9148
  e3d049eb70] Successfully plugged vif VIFOpenVSwitch(active=False,address=fa:16:3e:37:36:6b,bridge_name='br-int',has_traffic_filtering=True,id=d3d6f207-42aa-4262-81f9-71846affc29d,network=Network(1cc96226-274
  4-4aab-8bf3-14480e25f086),plugin='ovs',port_profile=VIFPortProfileOpenVSwitch,preserve_on_delete=False,vif_name='tapd3d6f207-42')
  2019-02-14 15:28:21.561 21979 ERROR nova.compute.manager [req-f2219e73-6880-4655-aef4-ae6e9220a277 d17b0515c8684a538b7c34955f14e059 2d83efd6a3a84bcd8d3902350f33a3d5 - 1758b80aa1684e9f8c9148e3d049eb70 1758b80aa1684e9f8c9148e3d049eb70] [instance: 7e29fcd7-7bec-4d37-a3a2-88e040b6d4bc] Instance failed to spawn: AttributeError: 'module' object has no attribute 'create_ovs_vif_port'
  2019-02-14 15:28:21.561 21979 ERROR nova.compute.manager [instance: 7e29fcd7-7bec-4d37-a3a2-88e040b6d4bc] Traceback (most recent call last):
  2019-02-14 15:28:21.561 21979 ERROR nova.compute.manager [instance: 7e29fcd7-7bec-4d37-a3a2-88e040b6d4bc]   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 2239, in _build_resources
  2019-02-14 15:28:21.561 21979 ERROR nova.compute.manager [instance: 7e29fcd7-7bec-4d37-a3a2-88e040b6d4bc]     yield resources
  2019-02-14 15:28:21.561 21979 ERROR nova.compute.manager [instance: 7e29fcd7-7bec-4d37-a3a2-88e040b6d4bc]   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 2019, in _build_and_run_instance
  2019-02-14 15:28:21.561 21979 ERROR nova.compute.manager [instance: 7e29fcd7-7bec-4d37-a3a2-88e040b6d4bc]     block_device_info=block_device_info)
  2019-02-14 15:28:21.561 21979 ERROR nova.compute.manager [instance: 7e29fcd7-7bec-4d37-a3a2-88e040b6d4bc]   File "/usr/lib/python2.7/dist-packages/nova/virt/lxd/driver.py", line 525, in spawn
  2019-02-14 15:28:21.561 21979 ERROR nova.compute.manager [instance: 7e29fcd7-7bec-4d37-a3a2-88e040b6d4bc]     self.plug_vifs(instance, network_info)
  2019-02-14 15:28:21.561 21979 ERROR nova.compute.manager [instance: 7e29fcd7-7bec-4d37-a3a2-88e040b6d4bc]   File "/usr/lib/python2.7/dist-packages/nova/virt/lxd/driver.py", line 1085, in plug_vifs
  2019-02-14 15:28:21.561 21979 ERROR nova.compute.manager [instance: 7e29fcd7-7bec-4d37-a3a2-88e040b6d4bc]     self.vif_driver.plug(instance, vif)
  2019-02-14 15:28:21.561 21979 ERROR nova.compute.manager [instance: 7e29fcd7-7bec-4d37-a3a2-88e040b6d4bc]   File "/usr/lib/python2.7/dist-packages/nova/virt/lxd/vif.py", line 225, in plug
  2019-02-14 15:28:21.561 21979 ERROR nova.compute.manager [instance: 7e29fcd7-7bec-4d37-a3a2-88e040b6d4bc]     _post_plug_wiring(instance, vif)
  2019-02-14 15:28:21.561 21979 ERROR nova.compute.manager [instance: 7e29fcd7-7bec-4d37-a3a2-88e040b6d4bc]   File "/usr/lib/python2.7/dist-packages/nova/virt/lxd/vif.py", line 156, in _post_plug_wiring
  2019-02-14 15:28:21.561 21979 ERROR nova.compute.manager [instance: 7e29fcd7-7bec-4d37-a3a2-88e040b6d4bc]     POST_PLUG_WIRING[vif_type](instance, vif)
  2019-02-14 15:28:21.561 21979 ERROR nova.compute.manager [instance: 7e29fcd7-7bec-4d37-a3a2-88e040b6d4bc]   File "/usr/lib/python2.7/dist-packages/nova/virt/lxd/vif.py", line 123, in _post_plug_wiring_veth_and_bridge
  2019-02-14 15:28:21.561 21979 ERROR nova.compute.manager [instance: 7e29fcd7-7bec-4d37-a3a2-88e040b6d4bc]     linux_net.create_ovs_vif_port(vif['network']['bridge'],
  2019-02-14 15:28:21.561 21979 ERROR nova.compute.manager [instance: 7e29fcd7-7bec-4d37-a3a2-88e040b6d4bc] AttributeError: 'module' object has no attribute 'create_ovs_vif_port'

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: python-nova-lxd 17.0.1-0ubuntu1
  ProcVersionSignature: Ubuntu 4.15.0-45.48-generic 4.15.18
  Uname: Linux 4.15.0-45-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.9-0ubuntu7.5
  Architecture: amd64
  Date: Thu Feb 14 15:55:32 2019
  PackageArchitecture: all
  ProcEnviron:
   TERM=screen-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=C.UTF-8
   SHELL=/bin/bash
  SourcePackage: nova-lxd
  UpgradeStatus: No upgrade log present (probably fresh install)

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