Open Stack

Hi All,

I installed multi nodes openstack (using devstack)  with ML2 as core
plugin. I need to perform a task when update_port_pre/post_commit methods
is called during installation of VM.
As I enabled q-svc and q-agt on control and only q-agt on the compute node,
compute node won't run neutron-server so no mechanism driver is loaded.
I see the port event on compute node with this failure shown below.

Is there anyway to load mechanism driver for compute nodes?

2014-03-12 10:35:05.418 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent   File
"/opt/stack/neutron/neutron/openstack/common/rpc/amqp.py", line 516, in
__iter__

2014-03-12 10:35:05.418 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent     raise result

2014-03-12 10:35:05.418 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent RemoteError: Remote
error: MechanismDriverError update_port_postcommit failed.

2014-03-12 10:35:05.418 TRACE
neutron.plugins.openvswitch.agent.ovs_neutron_agent [u'Traceback (most
recent call last):\n', u'  File
"/opt/stack/neutron/neutron/openstack/common/rpc/amqp.py", line 438, in
_process_data\n    **args)\n', u'  File
"/opt/stack/neutron/neutron/common/rpc.py", line 44, in dispatch\n
neutron_ctxt, version, method, namespace, **kwargs)\n', u'  File
"/opt/stack/neutron/neutron/openstack/common/rpc/dispatcher.py", line 172,
in dispatch\n    result = getattr(proxyobj, method)(ctxt, **kwargs)\n', u'
File "/opt/stack/neutron/neutron/plugins/ml2/rpc.py", line 192, in
update_device_up\n    q_const.PORT_STATUS_ACTIVE)\n', u'  File
"/opt/stack/neutron/neutron/plugins/ml2/plugin.py", line 681, in
update_port_status\n
self.mechanism_manager.update_port_postcommit(mech_context)\n', u'  File
"/opt/stack/neutron/neutron/plugins/ml2/managers.py", line 395, in
update_port_postcommit\n    self._call_on_drivers("update_port_postcommit",
context)\n', u'  File "/opt/stack/neutron/neutron/plugins/ml2/managers.py",
line 167, in _call_on_drivers\n    method=method_name\n',
u'MechanismDriverError: update_port_postcommit failed.\n'].


Regards,

Nader
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