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On 01/07/2015 10:21 PM, Zhou, Zhenzan wrote:
> Hi,
>
> Does anyone know why TripleO uses "regionOne" as default region name? A comment in the code says it's the default keystone uses.

Zhenzan,

I was going to point you here:

https://bugs.launchpad.net/keystone/+bug/1400589

But I see you already had commented in that bug.

I had submitted a review request to improve the documentation for Ironic 
here:

https://review.openstack.org/#/c/139842/

As to why the keystone client uses regionOne as a default, the 
conclusion of the above review request essentially indicates Keystone is 
broken in some way.  Note I didn't root cause 1400589 so the conclusion 
of the review 139842 could be incorrect.

Regards
-steve

> But I cannot find any "regionOne" in keystone code. Devstack uses "RegionOne" by default and I do see lots of "RegionOne" in keystone code.
>
> stack at u140401:~/openstack/tripleo-incubator$ grep -rn regionOne *
> scripts/register-endpoint:26:REGION="regionOne" # NB: This is the default keystone uses.
> scripts/register-endpoint:45:    echo "    -r, --region      -- Override the default region 'regionOne'."
> scripts/setup-endpoints:33:    echo "    -r, --region            -- Override the default region 'regionOne'."
> scripts/setup-endpoints:68:REGION="regionOne" #NB: This is the keystone default.
> stack at u140401:~/openstack/tripleo-incubator$ grep -rn regionOne ../tripleo-heat-templates/
> stack at u140401:~/openstack/tripleo-incubator$  grep -rn regionOne ../tripleo-image-elements/
> ./tripleo-image-elements/elements/tempest/os-apply-config/opt/stack/tempest/etc/tempest.conf:10:region = regionOne
> ./tripleo-image-elements/elements/neutron/os-apply-config/etc/neutron/metadata_agent.ini:3:auth_region = regionOne
> stack at u140401:~/openstack/keystone$ grep -rn RegionOne * | wc -l
> 130
> stack at u140401:~/openstack/keystone$ grep -rn regionOne * | wc -l
> 0
>
> Another question is that TripleO doesn't export OS_REGION_NAME in stackrc.  So when someone source devstack rc file
> to do something and then source TripleO rc file again, the OS_REGION_NAME will be the one set by devstack rc file.
> I know this may be strange but isn't it better to use the same default value?
>
> Thanks a lot.
>
> BR
> Zhou Zhenzan
>
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