** Changed in: nova
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1240344
Title:
Libvirt driver should reply with a meaningful exception, when
connection to libvirt is broken
Status in OpenStack Compute (Nova):
Fix Released
Bug description:
Currently, when libvirt connection is broken, there is no meaningful
exception being thrown. Instead, every call result in a mutlple traces, as
below.
This makes it imposible to handle these exceptions properly in the higher
levels.
2013-10-11 15:06:25.179 DEBUG nova.virt.libvirt.driver
[req-cd22b4f2-0bfe-4d93-b191-02736ac8a437 None None] Connecting to libvirt:
qemu:///system from (pid=28433) _get_connection
/home/vladikr/devel/openstack/nova/nova/virt/libvirt/driver.py:600
2013-10-11 15:06:25.180 ERROR nova.virt.libvirt.driver [-] Connection to
libvirt failed: Failed to connect socket to '/var/run/libvirt/libvirt-sock': No
such file or directory
2013-10-11 15:06:25.180 TRACE nova.virt.libvirt.driver Traceback (most recent
call last):
2013-10-11 15:06:25.180 TRACE nova.virt.libvirt.driver File
"/home/vladikr/devel/openstack/nova/nova/virt/libvirt/driver.py", line 694, in
_connect
2013-10-11 15:06:25.180 TRACE nova.virt.libvirt.driver return
libvirt.openAuth(uri, auth, flags)
2013-10-11 15:06:25.180 TRACE nova.virt.libvirt.driver File
"/usr/lib64/python2.7/site-packages/libvirt.py", line 102, in openAuth
2013-10-11 15:06:25.180 TRACE nova.virt.libvirt.driver if ret is
None:raise libvirtError('virConnectOpenAuth() failed')
2013-10-11 15:06:25.180 TRACE nova.virt.libvirt.driver libvirtError: Failed
to connect socket to '/var/run/libvirt/libvirt-sock': No such file or directory
2013-10-11 15:06:25.180 TRACE nova.virt.libvirt.driver
----------------------------------------------------------------------------------------------------------
2013-10-11 15:06:25.188 WARNING nova.virt.libvirt.driver
[req-cd22b4f2-0bfe-4d93-b191-02736ac8a437 None None] URI qemu:///system does
not support events
Traceback (most recent call last):
File "/usr/lib64/python2.7/logging/__init__.py", line 851, in emit
2013-10-11 15:06:25.190 ERROR nova.openstack.common.periodic_task
[req-cd22b4f2-0bfe-4d93-b191-02736ac8a437 None None] Error during
ComputeManager.update_available_resource: 'N
oneType' object has no attribute 'getInfo'
2013-10-11 15:06:25.190 TRACE nova.openstack.common.periodic_task Traceback
(most recent call last):
2013-10-11 15:06:25.190 TRACE nova.openstack.common.periodic_task File
"/home/vladikr/devel/openstack/nova/nova/openstack/common/periodic_task.py",
line 180, in run_periodic_
tasks
2013-10-11 15:06:25.190 TRACE nova.openstack.common.periodic_task
task(self, context)
2013-10-11 15:06:25.190 TRACE nova.openstack.common.periodic_task File
"/home/vladikr/devel/openstack/nova/nova/compute/manager.py", line 4867, in
update_available_resource
2013-10-11 15:06:25.190 TRACE nova.openstack.common.periodic_task
rt.update_available_resource(context)
2013-10-11 15:06:25.190 TRACE nova.openstack.common.periodic_task File
"/home/vladikr/devel/openstack/nova/nova/openstack/common/lockutils.py", line
246, in inner
2013-10-11 15:06:25.190 TRACE nova.openstack.common.periodic_task return
f(*args, **kwargs)
2013-10-11 15:06:25.190 TRACE nova.openstack.common.periodic_task File
"/home/vladikr/devel/openstack/nova/nova/compute/resource_tracker.py", line
274, in update_available_resource
2013-10-11 15:06:25.190 TRACE nova.openstack.common.periodic_task
resources = self.driver.get_available_resource(self.nodename)
2013-10-11 15:06:25.190 TRACE nova.openstack.common.periodic_task File
"/home/vladikr/devel/openstack/nova/nova/virt/libvirt/driver.py", line 3744, in
get_available_resource
2013-10-11 15:06:25.190 TRACE nova.openstack.common.periodic_task stats =
self.host_state.get_host_stats(refresh=True)
2013-10-11 15:06:25.190 TRACE nova.openstack.common.periodic_task File
"/home/vladikr/devel/openstack/nova/nova/virt/libvirt/driver.py", line 4779, in
get_host_stats
2013-10-11 15:06:25.190 TRACE nova.openstack.common.periodic_task
self.update_status()
2013-10-11 15:06:25.190 TRACE nova.openstack.common.periodic_task File
"/home/vladikr/devel/openstack/nova/nova/virt/libvirt/driver.py", line 4813, in
update_status
2013-10-11 15:06:25.190 TRACE nova.openstack.common.periodic_task
data["memory_mb"] = self.driver.get_memory_mb_total()
2013-10-11 15:06:25.190 TRACE nova.openstack.common.periodic_task File
"/home/vladikr/devel/openstack/nova/nova/virt/libvirt/driver.py", line 3383, in
get_memory_mb_total
2013-10-11 15:06:25.190 TRACE nova.openstack.common.periodic_task return
self._conn.getInfo()[1]
2013-10-11 15:06:25.190 TRACE nova.openstack.common.periodic_task
AttributeError: 'NoneType' object has no attribute 'getInfo'
2013-10-11 15:06:25.190 TRACE nova.openstack.common.periodic_task
q
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