Got it, thanks for the excellent explanation, Timur! Yeah, I think
renaming to AVAILABLE_KEYSTONE_ENDPOINTS would be a good solution.
Best,
-jay
On 07/08/2015 09:53 AM, Timur Sufiev wrote:
Hi, Jay!
As Doug said, Horizon regions are just different Keystone endpoints that
Horizon could use to authorize against (and retrieve the whole catalog
from any of them afterwards).
Another example of how complicated things could be: imagine that Horizon
config has two Keystone endpoints inside AVAILABLE_REGIONS setting,
http://keystone.europe and http://keystone.asia, each of them hosting a
different catalog with service endpoint pointing to Europe/Asia located
services. For European Keystone all Europe-based services are marked as
'RegionOne', for Asian Keystone all its Asia-based services are marked
as 'RegionOne'. Then, imagine that each Keystone also has 'RegionTwo'
region, for European Keystone the Asian services are marked so, for
Asian Keystone the opposite is true. One of customers did roughly the
same thing (with both Keystones using common LDAP backend), and
understanding what exactly in Horizon didn't work well was a puzzling
experience.
On Wed, Jul 8, 2015 at 4:37 PM Jay Pipes <[email protected]
<mailto:[email protected]>> wrote:
On 07/08/2015 08:50 AM, Timur Sufiev wrote:
> Hello, folks!
>
> Somehow it happened that we have 2 different kinds of regions: the
> service regions inside Keystone catalog and AVAILABLE_REGIONS setting
> inside Horizon, yet use the same name 'regions' for both of them.
That
> creates a lot of confusion when solving some region-related issues at
> the Horizon/Keystone junction, even explaining what is exactly being
> broken poses a serious challenge when our common language has
such a flaw!
>
> I propose to invent 2 distinct terms for these entities, so at
least we
> won't be terminologically challenged when fixing the related bugs.
Hi!
I understand what the Keystone region represents: a simple,
non-geographically-connotated division of the entire OpenStack
deployment.
Unfortunately, I don't know what the Horizon regions represent. Could
you explain?
Best,
-jay
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