[Bug 1645435] Re: nova-compute-lxd units missing python-libvirt

[Ursula Junque]

Relations between nova-compute-lxd and ceilometer have been removed as
of r10755 (confirmed removed at r10759).

** Tags added: qa-ok

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https://bugs.launchpad.net/bugs/1645435

Title:
  nova-compute-lxd units missing python-libvirt

Status in OpenStack LXD Charm:
  New
Status in Landscape Server:
  Fix Committed
Status in ceilometer package in Ubuntu:
  Fix Committed
Status in ceilometer package in Juju Charms Collection:
  New

Bug description:
  Charm used: cs:xenial/nova-compute-260
  Openstack release: newton
  Ubuntu release: xenial
  juju status (after removing the 56gb of logs from nova-compute-lxd units): https://pastebin.canonical.com/172058/

  python-libvirt is missing on nova-compute-lxd units.

  Two nova-compute-lxd units in an autopilot install got in error state
  due to "no space left on device". /var/log/syslog was 56Gb of error
  messages (https://pastebin.canonical.com/172069/):

  Nov 28 18:34:34 maroon ceilometer-agent-compute[121084]: 2016-11-28 18:34:34.899 294286 ERROR ceilometer.agent.manager
  Nov 28 18:34:34 maroon ceilometer-agent-compute[121084]: libvirt: XML-RPC error : Failed to connect socket to '/var/run/libvirt/libvirt-sock-ro': No such file or directory
  Nov 28 18:34:34 maroon ceilometer-agent-compute[121084]: 2016-11-28 18:34:34.899 294286 ERROR ceilometer.agent.manager [-] Skip loading extension for disk.device.write.bytes
  Nov 28 18:34:34 maroon ceilometer-agent-compute[121084]: 2016-11-28 18:34:34.899 294286 ERROR ceilometer.agent.manager Traceback (most recent call last):
  Nov 28 18:34:34 maroon ceilometer-agent-compute[121084]: 2016-11-28 18:34:34.899 294286 ERROR ceilometer.agent.manager   File "/usr/lib/python2.7/dist-packages/stevedore/extension.py", line 163, in _load_plugins
  Nov 28 18:34:34 maroon ceilometer-agent-compute[121084]: 2016-11-28 18:34:34.899 294286 ERROR ceilometer.agent.manager     verify_requirements,
  Nov 28 18:34:34 maroon ceilometer-agent-compute[121084]: 2016-11-28 18:34:34.899 294286 ERROR ceilometer.agent.manager   File "/usr/lib/python2.7/dist-packages/stevedore/extension.py", line 195, in _load_one_plugin
  Nov 28 18:34:34 maroon ceilometer-agent-compute[121084]: 2016-11-28 18:34:34.899 294286 ERROR ceilometer.agent.manager     obj = plugin(*invoke_args, **invoke_kwds)
  Nov 28 18:34:34 maroon ceilometer-agent-compute[121084]: 2016-11-28 18:34:34.899 294286 ERROR ceilometer.agent.manager   File "/usr/lib/python2.7/dist-packages/ceilometer/agent/plugin_base.py", line 183, in __init__
  Nov 28 18:34:34 maroon ceilometer-agent-compute[121084]: 2016-11-28 18:34:34.899 294286 ERROR ceilometer.agent.manager     raise ExtensionLoadError(err)
  Nov 28 18:34:34 maroon ceilometer-agent-compute[121084]: 2016-11-28 18:34:34.899 294286 ERROR ceilometer.agent.manager ExtensionLoadError: Failed to connect socket to '/var/run/libvirt/libvirt-sock-ro': No such file or directory

  As soon as I installed python-libvirt on that machine, errors were gone:
  https://pastebin.canonical.com/172070/

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