[Openstack-operators] OpenStack Architecture, horizon and keystone

George Shuklin george.shuklin at gmail.com
Wed Sep 30 14:23:36 UTC 2015

There is two approaches.

1) You make public endpoints and horizon public. White IP, resolvable 
FQDN for endpoints, etc.
2) You hide endpoints from user (boo... no api, no automation), but 
expose horizon.

Second case: horizon will sits as middleware between 'internal' networks 
where endpoints live, and outer world. Horizon may works fine even all 
endpoints are hidden from user. But wsgi part of the Horizon should be 
able to access endpoints.

On 09/30/2015 04:14 PM, Davíð Örn Jóhannsson wrote:
> I just recently joined a team in charge of implementing OpenStack 
> deployment which I'm trying to grasp the design of.
> One problem I encountered is that the openstack environment is on a 
> pretty closed network and I need to use ssh
> tunnelling to be able to access horizon, so I started to look into 
> fronting the service with a reverse proxy
> (making it available throug, horizon.example.com/horizon), then I 
> noticed the horizon UI needs to contact the
> Identity service, which I also fronted with a reverse proxy 
> (identity.example.com:5000/v2.0) and configured
> OPENSTACK_HOST = identity.example.com in 
> /etc/openstack-dashboard/local_settings.py
> The reverse proxy proxies requests to http://control1:5000 so when the 
> response is sent back from the api it includes
> <link href="http://http://control1:5000/v2.0/" rel="self"/> which the 
> client has no network access to and a possible solution
> would be to edit the url in /etc/keystone/keystone.conf then it dawned 
> on me that we might have to re-think this design.
> Possibly we are taking the wrong approach so I wanted to reach out to 
> get some opinions on this matter since I'm new
> to the architecture of OpenStack and haven't yet totally grasped how 
> things are supposed to work together.​
> Regards, Davíd Johannsson
> _______________________________________________
> OpenStack-operators mailing list
> OpenStack-operators at lists.openstack.org
> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators

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