OpenStack Compute (nova)

nova-compute unable to run

Asked by Vincent Hou

I am using ubuntu 12.04, 64 bit. I have installed keystone and glance successfully.
After I installed nova and tried to run all the nova-* services. nova-compute gave me error like this:

2012-05-23 18:08:41 CRITICAL nova [-] Failed to connect socket to '/var/run/libvirt/libvirt-sock': Permission denied
2012-05-23 18:08:41 TRACE nova Traceback (most recent call last):
2012-05-23 18:08:41 TRACE nova File "/usr/local/bin/nova-compute", line 7, in <module>
2012-05-23 18:08:41 TRACE nova execfile(__file__)
2012-05-23 18:08:41 TRACE nova File "/opt/stack/nova/bin/nova-compute", line 49, in <module>
2012-05-23 18:08:41 TRACE nova service.wait()
2012-05-23 18:08:41 TRACE nova File "/opt/stack/nova/nova/service.py", line 448, in wait
2012-05-23 18:08:41 TRACE nova _launcher.wait()
2012-05-23 18:08:41 TRACE nova File "/opt/stack/nova/nova/service.py", line 148, in wait
2012-05-23 18:08:41 TRACE nova service.wait()
2012-05-23 18:08:41 TRACE nova File "/usr/lib/python2.7/dist-packages/eventlet/greenthread.py", line 166, in wait
2012-05-23 18:08:41 TRACE nova return self._exit_event.wait()
2012-05-23 18:08:41 TRACE nova File "/usr/lib/python2.7/dist-packages/eventlet/event.py", line 116, in wait
2012-05-23 18:08:41 TRACE nova return hubs.get_hub().switch()
2012-05-23 18:08:41 TRACE nova File "/usr/lib/python2.7/dist-packages/eventlet/hubs/hub.py", line 177, in switch
2012-05-23 18:08:41 TRACE nova return self.greenlet.switch()
2012-05-23 18:08:41 TRACE nova File "/usr/lib/python2.7/dist-packages/eventlet/greenthread.py", line 192, in main
2012-05-23 18:08:41 TRACE nova result = function(*args, **kwargs)
2012-05-23 18:08:41 TRACE nova File "/opt/stack/nova/nova/service.py", line 109, in run_server
2012-05-23 18:08:41 TRACE nova server.start()
2012-05-23 18:08:41 TRACE nova File "/opt/stack/nova/nova/service.py", line 194, in start
2012-05-23 18:08:41 TRACE nova self.manager.update_available_resource(ctxt)
2012-05-23 18:08:41 TRACE nova File "/opt/stack/nova/nova/compute/manager.py", line 2441, in update_available_resource
2012-05-23 18:08:41 TRACE nova self.driver.update_available_resource(context, self.host)
2012-05-23 18:08:41 TRACE nova File "/opt/stack/nova/nova/virt/libvirt/connection.py", line 2065, in update_available_resource
2012-05-23 18:08:41 TRACE nova 'vcpus_used': self.get_vcpu_used(),
2012-05-23 18:08:41 TRACE nova File "/opt/stack/nova/nova/virt/libvirt/connection.py", line 1889, in get_vcpu_used
2012-05-23 18:08:41 TRACE nova for dom_id in self._conn.listDomainsID():
2012-05-23 18:08:41 TRACE nova File "/opt/stack/nova/nova/virt/libvirt/connection.py", line 283, in _get_connection
2012-05-23 18:08:41 TRACE nova self.read_only)
2012-05-23 18:08:41 TRACE nova File "/opt/stack/nova/nova/virt/libvirt/connection.py", line 326, in _connect
2012-05-23 18:08:41 TRACE nova return libvirt.openAuth(uri, auth, 0)
2012-05-23 18:08:41 TRACE nova File "/usr/lib/python2.7/dist-packages/libvirt.py", line 102, in openAuth
2012-05-23 18:08:41 TRACE nova if ret is None:raise libvirtError('virConnectOpenAuth() failed')
2012-05-23 18:08:41 TRACE nova libvirtError: Failed to connect socket to '/var/run/libvirt/libvirt-sock': Permission denied
2012-05-23 18:08:41 TRACE nova
^Cvincent@vincent-ThinkPad-T410:~$ sudo tail -f /var/log/nova/nova-compute.log
2012-05-23 18:11:26 TRACE nova File "/opt/stack/nova/nova/virt/libvirt/connection.py", line 1889, in get_vcpu_used
2012-05-23 18:11:26 TRACE nova for dom_id in self._conn.listDomainsID():
2012-05-23 18:11:26 TRACE nova File "/opt/stack/nova/nova/virt/libvirt/connection.py", line 283, in _get_connection
2012-05-23 18:11:26 TRACE nova self.read_only)
2012-05-23 18:11:26 TRACE nova File "/opt/stack/nova/nova/virt/libvirt/connection.py", line 326, in _connect
2012-05-23 18:11:26 TRACE nova return libvirt.openAuth(uri, auth, 0)
2012-05-23 18:11:26 TRACE nova File "/usr/lib/python2.7/dist-packages/libvirt.py", line 102, in openAuth
2012-05-23 18:11:26 TRACE nova if ret is None:raise libvirtError('virConnectOpenAuth() failed')
2012-05-23 18:11:26 TRACE nova libvirtError: Failed to connect socket to '/var/run/libvirt/libvirt-sock': Permission denied
2012-05-23 18:11:26 TRACE nova

Did anyone meet before?

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Vincent Hou
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Vincent Hou (houshengbo) said : 		#1

Actually it happens, when I try to install nova according to the manual after I tried ./stack.sh script in devstack. libvirt is configured by ./stack.sh. It can be solved by reinstall libvirt-bin.