Open Stack

Hi every one,

Can any one spot why the following bug will appear in Openstack leaving all
services of Neutron to unusable state....?

To give you an idea that I was trying:

"I tried to configure 173.39.237.0 ip to a VM, with the CIDR 173.39.236.0/23,
however the OVS gave error and now all the neutron services are completely
unusable"

2015-02-04 05:25:06.993 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent Traceback (most recent
call last):
2015-02-04 05:25:06.993 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent   File
"/opt/stack/neutron/neutron/plugins/openvswitch/agent/ovs_neutron_agent.py",
line 1197, in rpc_loop
2015-02-04 05:25:06.993 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent     port_info =
self.scan_ports(ports, updated_ports_copy)
2015-02-04 05:25:06.993 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent   File
"/opt/stack/neutron/neutron/plugins/openvswitch/agent/ovs_neutron_agent.py",
line 821, in scan_ports
2015-02-04 05:25:06.993 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent
updated_ports.update(self.check_changed_vlans(registered_ports))
2015-02-04 05:25:06.993 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent   File
"/opt/stack/neutron/neutron/plugins/openvswitch/agent/ovs_neutron_agent.py",
line 848, in check_changed_vlans
2015-02-04 05:25:06.993 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent     port_tags =
self.int_br.get_port_tag_dict()
2015-02-04 05:25:06.993 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent   File
"/opt/stack/neutron/neutron/agent/linux/ovs_lib.py", line 394, in
get_port_tag_dict
2015-02-04 05:25:06.993 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent     result =
self.run_vsctl(args, check_error=True)
2015-02-04 05:25:06.993 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent   File
"/opt/stack/neutron/neutron/agent/linux/ovs_lib.py", line 67, in run_vsctl
2015-02-04 05:25:06.993 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent     return
utils.execute(full_args, root_helper=self.root_helper)
2015-02-04 05:25:06.993 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent   File
"/opt/stack/neutron/neutron/agent/linux/utils.py", line 75, in execute
2015-02-04 05:25:06.993 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent     raise
RuntimeError(m)
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neutron.plugins.openvswitch.agent.ovs_neutron_agent RuntimeError:
2015-02-04 05:25:06.993 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent Command: ['sudo',
'/usr/local/bin/neutron-rootwrap', '/etc/neutron/rootwrap.conf',
'ovs-vsctl', '--timeout=10', '--format=json', '--', '--columns=name,tag',
'list', 'Port']
2015-02-04 05:25:06.993 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent Exit code: 1
2015-02-04 05:25:06.993 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent Stdout: ''
2015-02-04 05:25:06.993 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent Stderr: 'Traceback
(most recent call last):\n  File "/usr/local/bin/neutron-rootwrap", line 4,
in <module>\n
 __import__(\'pkg_resources\').require(\'neutron==2013.2.4.dev32\')\n  File
"/usr/local/lib/python2.7/dist-packages/pkg_resources/__init__.py", line
3018, in <module>\n    working_set = WorkingSet._build_master()\n  File
"/usr/local/lib/python2.7/dist-packages/pkg_resources/__init__.py", line
614, in _build_master\n    return
cls._build_from_requirements(__requires__)\n  File
"/usr/local/lib/python2.7/dist-packages/pkg_resources/__init__.py", line
627, in _build_from_requirements\n    dists = ws.resolve(reqs,
Environment())\n  File
"/usr/local/lib/python2.7/dist-packages/pkg_resources/__init__.py", line
805, in resolve\n    raise
DistributionNotFound(req)\npkg_resources.DistributionNotFound:
alembic<0.6.4,>=0.4.1\n'
2015-02-04 05:25:06.993 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent
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