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[Sean Dague <sean@xxxxxxxxx>]

Please reopen if still an issue

** Changed in: nova
       Status: Incomplete => Invalid

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https://bugs.launchpad.net/bugs/1334121

Title:
  fail to launch instance (rootwrap mount failed)

Status in OpenStack Compute (Nova):
  Invalid

Bug description:
  when I try to launch an instance, this error is logged in
  /var/log/nova/nova-compute.log

  2014-06-25 04:40:57.614 8350 INFO nova.virt.libvirt.driver [req-10a54773-5c13-435e-a9d6-ea92df2e1e00 639d9bb856fe44a98b0f09cf503bc663 1bea54ab03b14b229437a95422a5c1df] [instance: 8e4146fa-ff59-4d5e-a27a-04c3c44df4eb] Creating image
  2014-06-25 04:40:57.864 8350 WARNING nova.virt.disk.vfs.guestfs [req-10a54773-5c13-435e-a9d6-ea92df2e1e00 639d9bb856fe44a98b0f09cf503bc663 1bea54ab03b14b229437a95422a5c1df] Failed to close augeas aug_close: call launch before using this function
  (in guestfish, don't forget to use the 'run' command)
  2014-06-25 04:40:59.908 8350 ERROR nova.virt.disk.api [req-10a54773-5c13-435e-a9d6-ea92df2e1e00 639d9bb856fe44a98b0f09cf503bc663 1bea54ab03b14b229437a95422a5c1df] Failed to mount container filesystem '<nova.virt.disk.api._DiskImage object at 0x7f7a4412c390>' on '/var/lib/nova/instances/8e4146fa-ff59-4d5e-a27a-04c3c44df4eb/rootfs':
  --
  Failed to mount filesystem: Unexpected error while running command.
  Command: sudo nova-rootwrap /etc/nova/rootwrap.conf mount /dev/nbd7 /var/lib/nova/instances/8e4146fa-ff59-4d5e-a27a-04c3c44df4eb/rootfs
  Exit code: 32
  Stdout: ''
  Stderr: 'mount: you must specify the filesystem type\n'
  2014-06-25 04:40:59.911 8350 ERROR nova.compute.manager [req-10a54773-5c13-435e-a9d6-ea92df2e1e00 639d9bb856fe44a98b0f09cf503bc663 1bea54ab03b14b229437a95422a5c1df] [instance: 8e4146fa-ff59-4d5e-a27a-04c3c44df4eb] Instance failed to spawn
  2014-06-25 04:40:59.911 8350 TRACE nova.compute.manager [instance: 8e4146fa-ff59-4d5e-a27a-04c3c44df4eb] Traceback (most recent call last):
  2014-06-25 04:40:59.911 8350 TRACE nova.compute.manager [instance: 8e4146fa-ff59-4d5e-a27a-04c3c44df4eb]   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1714, in _spawn
  2014-06-25 04:40:59.911 8350 TRACE nova.compute.manager [instance: 8e4146fa-ff59-4d5e-a27a-04c3c44df4eb]     block_device_info)
  2014-06-25 04:40:59.911 8350 TRACE nova.compute.manager [instance: 8e4146fa-ff59-4d5e-a27a-04c3c44df4eb]   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 2266, in spawn
  2014-06-25 04:40:59.911 8350 TRACE nova.compute.manager [instance: 8e4146fa-ff59-4d5e-a27a-04c3c44df4eb]     block_device_info)
  2014-06-25 04:40:59.911 8350 TRACE nova.compute.manager [instance: 8e4146fa-ff59-4d5e-a27a-04c3c44df4eb]   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 3669, in _create_domain_and_network
  2014-06-25 04:40:59.911 8350 TRACE nova.compute.manager [instance: 8e4146fa-ff59-4d5e-a27a-04c3c44df4eb]     domain.destroy()
  2014-06-25 04:40:59.911 8350 TRACE nova.compute.manager [instance: 8e4146fa-ff59-4d5e-a27a-04c3c44df4eb] UnboundLocalError: local variable 'domain' referenced before assignment

  
  this is the version of nova-compute:

  root@compute2:/var/lib/nova# dpkg -l | grep nova-compute
  ii nova-compute 1:2014.1.1-0ubuntu1 all OpenStack Compute - compute node base
  ii nova-compute-libvirt 1:2014.1.1-0ubuntu1 all OpenStack Compute - compute node libvirt support
  ii nova-compute-lxc 1:2014.1.1-0ubuntu1 all OpenStack Compute - compute node (LXC)

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