Add Open vSwitch support

[Curtis Collicutt]

As per this mailing list message [1] I would like to add Open vSwitch (openvswitch, ovs) support to OpenStack-Ansible. According to the OpenStack-Ansible [2] contributor documentation the first step is to add a "wishlist" bug to see if the feature request would require a spec or blueprint.

As someone who is working to deploy OPNFV [3] style labs, which as based on OpenStack, I would prefer to manage these hardware labs with OpenStack-Ansible. Currently OpenStack-Ansible supports Linux bridge, however, typical OPNFV deployments use OpenDaylight [4] as a software defined network (SDN) controller which controls the virtual switch on hypervisors, usually Open vSwitch. Thus the first step in deploying an OPNFV style lab with OpenStack-Ansible would be to enable Open vSwitch support.

As far as I know, the purpose of this "wishlist" bug would be to determine if I should write a blueprint or spec for the feature request.

Finally, I have time I can dedicate to work on this feature.

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[1]: http://lists.openstack.org/pipermail/openstack-dev/2016-March/090362.html
[2]: http://docs.openstack.org/developer/openstack-ansible/developer-docs/contribute.html
[3]: https://www.opnfv.org/
[4]: https://www.opendaylight.org/

[Bjoern (bjoern-t)]

I would love to support this task, just let me know if you need help

[Michael Gugino (gugino-michael)]

@Bjoern: I'm looking for reviews (comments, suggestions, corrections) on the following patch:

https://review.openstack.org/#/c/298765/

Any input is definitely appreciated.

Functional tests would also be a great addition.

[Curtis Collicutt (6-curtis)]

What kind of functional tests would be beneficial?

[Travis Truman (travis-truman)]

I think we've got this pretty well squared away now with what has been merged in the Newton cycle - https://review.openstack.org/#/q/status:merged+topic:bp/support-openvswitch

We are still missing functional tests within the os_neutron role and also within the OSA gate

[Jesse Pretorius (jesse-pretorius)]

This has been completed - including tests in the os_neutron role.