keystone details should be configured in the keystone_authtoken section

[Dimitri Mazmanov]

Currently all keystone related configuration is placed under the 'cache' group in the kingbird.conf
However, there's a section designed specifically for keystone:

[keystone_authtoken]
auth_uri = http://controller:5000/v2.0
identity_uri = http://controller:35357
admin_tenant_name = %SERVICE_TENANT_NAME%
admin_user = %SERVICE_USER%
admin_password = %SERVICE_PASSWORD%

We should remove the keystone configuration parameters from the cache group and read them from keystone_authtoken.

[Chaoyi Huang (joehuang)]

Mis - understanding. [keystone_authtoken] is the configuration for KeyStoneMiddleware, it's for token validation purpose. It's server side configuration. [keystone_authtoken] is dedicated for server side configuration, how token could be verified.

Cache is for kb-engine to access other region's quota data, [cache] section is configured like openrc in devstack, or the rc file in the functest container, it's used for client side configuration.