Cinder ImportError: No module named rootwrap.cmd

[Mike Scherbakov]

Can't create Cinder volume.
VERSION:
  mirantis: "yes"
  production: "dev"
  release: "5.0"
  build_number: "409"
  build_id: "2014-04-16_18-56-19"
  fuellib_sha: <custom>
  nailgun_sha: "0c10dcd94505962d0a7402bc1f60039a0ce3d39e"
  astute_sha: "0cb0b26773bd269000a14748e8ba49419462ecaf"
  ostf_sha: "1ac04769cc8034438ccf1176860b25d0f5601c4a"
  fuelmain_sha: "4a8ce0db6fbb23b6b8d5cccfae430ecce0952b73"

<155>Apr 17 13:52:58 node-8 cinder-cinder.volume.manager ERROR: Error encountered during initialization of driver: LVMISCSIDriver
<155>Apr 17 13:52:58 node-8 cinder-cinder.volume.manager ERROR: Unexpected error while running command.
Command: sudo cinder-rootwrap /etc/cinder/rootwrap.conf env LC_ALL=C vgs --noheadings -o name cinder
Exit code: 1
Stdout: ''
Stderr: 'Traceback (most recent call last):\n File "/usr/bin/cinder-rootwrap", line 6, in <module>\n from oslo.rootwrap.cmd import main\nImportError: No module named rootwrap.cmd\n'
Traceback (most recent call last):
  File "/usr/lib/python2.6/site-packages/cinder/volume/manager.py", line 243, in init_host
    self.driver.check_for_setup_error()
  File "/usr/lib/python2.6/site-packages/cinder/volume/drivers/lvm.py", line 83, in check_for_setup_error
    executor=self._execute)
  File "/usr/lib/python2.6/site-packages/cinder/brick/local_dev/lvm.py", line 81, in __init__
    if self._vg_exists() is False:
  File "/usr/lib/python2.6/site-packages/cinder/brick/local_dev/lvm.py", line 106, in _vg_exists
    self.vg_name, root_helper=self._root_helper, run_as_root=True)
  File "/usr/lib/python2.6/site-packages/cinder/utils.py", line 136, in execute
    return processutils.execute(*cmd, **kwargs)
  File "/usr/lib/python2.6/site-packages/cinder/openstack/common/processutils.py", line 173, in execute
    cmd=' '.join(cmd))
ProcessExecutionError: Unexpected error while running command.
Command: sudo cinder-rootwrap /etc/cinder/rootwrap.conf env LC_ALL=C vgs --noheadings -o name cinder
Exit code: 1
Stdout: ''
Stderr: 'Traceback (most recent call last):\n File "/usr/bin/cinder-rootwrap", line 6, in <module>\n from oslo.rootwrap.cmd import main\nImportError: No module named rootwrap.cmd\n'
<158>Apr 17 13:52:59 node-8 cinder-oslo.messaging._drivers.impl_rabbit INFO: Connected to AMQP server on 192.168.0.2:5672
<158>Apr 17 13:53:20 node-8 cinder-cinder.volume.manager INFO: Updating volume status

[Mike Scherbakov (mihgen)]

After I installed
yum install python-oslo-rootwrap.noarch
on the cinder-volume node, I was able to create volume.

So it looks like there is broken dependency in packages, or we simply need to add this package in puppet packages installation list.

[Tatyanka (tatyana-leontovich)]

verified on {"build_id": "2014-05-05_00-15-43", "mirantis": "yes", "build_number": "180", "ostf_sha": "134765fcb5a07dce0cd1bb399b2290c988c3c63b", "nailgun_sha": "2de1dcf9fa3fc1521999bff6377eaa6f01d825aa", "production": "docker", "api": "1.0", "fuelmain_sha": "95c35c199c2efc03fb105d090c5a42525430b7b3", "astute_sha": "3cffebde1e5452f5dbf8f744c6525fc36c7afbf3", "release": "5.0", "fuellib_sha": "2348fae80b21c3ec9e5f520395eea2943a510f3d"}