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Hello,
I have successfully compiled libvirt 1.2.7 and qemu 2.1.0 but had
some troubles with nova-compute. It appears like libvirt is throwing
back an error if a nwfilter is already present.
Here is my debug log:
2014-08-22 08:22:25.032 15354 DEBUG nova.virt.libvirt.firewall
[req-0959ec86-3939-4e38-9505-48494b44a9fa f1d21892f9a0413c9437b6771e4290ce
9cad53a0432d4164837b8c0b35d91307] nwfilterDefineXML may have failed with
(operation failed: filter 'nova-nodhcp' already exists with uuid
59970732-ca52-4521-ba0c-d001049d8460)! _define_filter
/usr/lib/python2.6/site-packages/nova/virt/libvirt/firewall.py:239
2014-08-22 08:22:25.033 15354 DEBUG nova.virt.libvirt.firewall
[req-0959ec86-3939-4e38-9505-48494b44a9fa f1d21892f9a0413c9437b6771e4290ce
9cad53a0432d4164837b8c0b35d91307] nwfilterDefineXML may have failed with
(operation failed: filter 'nova-base' already exists with uuid
b5aa80ad-ea4a-4633-84ac-442c9270a143)! _define_filter
/usr/lib/python2.6/site-packages/nova/virt/libvirt/firewall.py:239
2014-08-22 08:22:25.034 15354 DEBUG nova.virt.libvirt.firewall
[req-0959ec86-3939-4e38-9505-48494b44a9fa f1d21892f9a0413c9437b6771e4290ce
9cad53a0432d4164837b8c0b35d91307] nwfilterDefineXML may have failed with
(operation failed: filter 'nova-vpn' already exists with uuid
b61eb708-a9a5-4a16-8787-cdc58310babc)! _define_filter
/usr/lib/python2.6/site-packages/nova/virt/libvirt/firewall.py:239
Here is the original function:
def _define_filter(self, xml):
if callable(xml):
xml = xml()
self._conn.nwfilterDefineXML(xml)
And here is the "patched" function":
def _define_filter(self, xml):
if callable(xml):
xml = xml()
try:
self._conn.nwfilterDefineXML(xml)
except Exception, e:
LOG.debug(_('nwfilterDefineXML may have failed with (%s)!'), e)
I'm not a python expert but I think that patch could be adapted to raise
an error ONLY if the nwfilter rule doesn't already exist.
Dave
** Affects: nova
Importance: Undecided
Status: New
** Tags: 1.2.7 compute icehouse libvirt nova nova-compute nwfilter qemu
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nova-compute doesn't work well with libvirt 1.2.7 and qemu 2.1.0
https://bugs.launchpad.net/bugs/1360115
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