Posted on March 13, 2017 6:47 pm
 |  Asked by Arthur Liew
 |  542 views
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Hi Guys,

I’m trying to integrate Arista ML2 driver with Openstack (installed with packstack). It was giving me error like the below when I restart the neutron-server service. I followed “Arista Openstack Deployment Guide” for enabling the services. List of config can be found in attachment.

Any clue what is causing this error & how to resolve it?

tail -f /var/log/neutron/server.log

2017-03-11 23:53:03.431 6438 INFO neutron.plugins.ml2.managers [-] Configured mechanism driver names: [‘openvswitch’, ‘arista’]
2017-03-11 23:53:03.536 6438 ERROR stevedore.extension [-] Could not load ‘arista’: cannot import name context
2017-03-11 23:53:03.537 6438 WARNING stevedore.named [-] Could not load arista

######################

[root@controller-1 neutron]# tail -f server.log

2017-03-11 23:53:02.854 6438 INFO neutron.manager [-] Loading core plugin: neutron.plugins.ml2.plugin.Ml2Plugin
2017-03-11 23:53:02.856 6438 WARNING stevedore.named [-] Could not load neutron.plugins.ml2.plugin.Ml2Plugin
2017-03-11 23:53:03.405 6438 INFO neutron.plugins.ml2.managers [-] Configured type driver names: [‘vlan’, ‘flat’]
2017-03-11 23:53:03.423 6438 INFO neutron.plugins.ml2.drivers.type_flat [-] Arbitrary flat physical_network names allowed
2017-03-11 23:53:03.427 6438 INFO neutron.plugins.ml2.drivers.type_vlan [-] Network VLAN ranges: {‘physnet1’: [(291, 299)]}
2017-03-11 23:53:03.428 6438 INFO neutron.plugins.ml2.managers [-] Loaded type driver names: [‘flat’, ‘vlan’]
2017-03-11 23:53:03.428 6438 INFO neutron.plugins.ml2.managers [-] Registered types: [‘flat’, ‘vlan’]
2017-03-11 23:53:03.429 6438 INFO neutron.plugins.ml2.managers [-] Tenant network_types: [‘vlan’]
2017-03-11 23:53:03.429 6438 INFO neutron.plugins.ml2.managers [-] Configured extension driver names: []
2017-03-11 23:53:03.430 6438 INFO neutron.plugins.ml2.managers [-] Loaded extension driver names: []
2017-03-11 23:53:03.430 6438 INFO neutron.plugins.ml2.managers [-] Registered extension drivers: []
2017-03-11 23:53:03.431 6438 INFO neutron.plugins.ml2.managers [-] Configured mechanism driver names: [‘openvswitch’, ‘arista’]
2017-03-11 23:53:03.536 6438 ERROR stevedore.extension [-] Could not load ‘arista’: cannot import name context
2017-03-11 23:53:03.537 6438 WARNING stevedore.named [-] Could not load arista

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