Open Stack

Hi,
Actually the breakage is not sue to Q_L3_ENABLED. It is due to
https://review.openstack.org/#q,d894221457efa3a2a0bf3db76a4c5e8ffba36e29,n,
z
The Q_L3_ENABLED is something that each CI can configure depending on what
their supported mode is.
Until now this mean that L3 was supported by the plugin.
Thanks
Gary

On 5/16/16, 5:26 PM, "Sean M. Collins" <sean at coreitpro.com> wrote:

>Hi,
>
>During the neutron refactor of DevStack, I made a conscious decision to
>take the Q_L3_ENABLED variable and change the default from False to True.
>Most 
>DevStack installations will want to have L3 services enabled, so my
>thinking was, let's make it the default.
>
>That broke some people last week, since they were relying on
>Q_L3_ENABLED to be False for their CI systems. My thinking was,
>really we should just be checking if the q-l3 service is enabled or not.
>
>https://review.openstack.org/#/c/315995/
>
>That, in turn ended up breaking other people in a different way.
>
>So, the networking-generic-switch people were fixed, and the
>networking-midonet people became broken.
>
>As Yamamoto notes:
>
>>Actually, Q_L3_ENABLED=True and is_service_enabled q-l3 have quite
>>different meaning. The former means the plugin provides L3
>>functionalities. The latter means Neutron L3 agent is enabled. MidoNet
>>provides L3 functionalities without using Neutron L3 agent.
>
>https://review.openstack.org/#/c/316660/1
>
>I think this shows that the status-quo in neutron-legacy was untenable.
>Neutron-legacy is extremely brittle and things are very tightly coupled,
>with
>the slightest mistake or oversight breaking people.
>
>I think it's time to start pushing people in the direction that I pushed
>the OVN project - although I wish that I had planned things better
>instead of breaking everyone and causing a scramble. For that, I
>apologize.
>
>My suggestion for anyone who is broken right now - is to take a page
>from the OVN devstack plugin and start building up your own networking,
>rather than relying on any code in neutron-legacy.
>
>https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_openstack_
>networking-2Dovn_commit_12e5bb646a4e0b43ef4c73bb627480a2dbb3e31c&d=CwICAg&
>c=Sqcl0Ez6M0X8aeM67LKIiDJAXVeAw-YihVMNtXt-uEs&r=VlZxHpZBmzzkWT5jqz9JYBk8YT
>eq9N3-diTlNj4GyNc&m=n-dlx7fX_r2mPAUcARJfiIyBiaApz4VADCrazwJ4dNs&s=cbZV2nP7
>Xn_Ne4Hf8XvJRycqsenwLQZdGw8y2HD37hM&e=
>
>-- 
>Sean M. Collins
>
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