Refactored catalog_service{,_info} and auth modules

Replaced service_catalog return value in auth module with new
catalog_service_info module.

Change-Id: I1ca5082d643eb97e8cb951a4bccf92b78537d917

plugins/modules/auth.py

@@ -4,13 +4,13 @@
 # Copyright (c) 2015 Hewlett-Packard Development Company, L.P.
 # GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
 
-DOCUMENTATION = '''
+DOCUMENTATION = r'''
 ---
 module: auth
-short_description: Retrieve an auth token
+short_description: Retrieve auth token from OpenStack cloud
 author: OpenStack Ansible SIG
 description:
-    - Retrieve an auth token from an OpenStack Cloud
+    - Retrieve auth token from OpenStack cloud
 requirements:
     - "python >= 3.6"
     - "openstacksdk"
@@ -18,40 +18,26 @@ extends_documentation_fragment:
 - openstack.cloud.openstack
 '''
 
-EXAMPLES = '''
-- name: Authenticate to the cloud and retrieve the service catalog
+EXAMPLES = r'''
+- name: Authenticate to cloud and return auth token
   openstack.cloud.auth:
     cloud: rax-dfw
-
-- name: Show service catalog
-  debug:
-    var: service_catalog
 '''
 
-RETURN = '''
+RETURN = r'''
 auth_token:
     description: Openstack API Auth Token
     returned: success
     type: str
-service_catalog:
-    description: A dictionary of available API endpoints
-    returned: success
-    type: dict
 '''
 
 from ansible_collections.openstack.cloud.plugins.module_utils.openstack import OpenStackModule
 
 
 class AuthModule(OpenStackModule):
-    argument_spec = dict()
-    module_kwargs = dict()
-
     def run(self):
-        self.exit_json(
-            changed=False,
-            ansible_facts=dict(
-                auth_token=self.conn.auth_token,
-                service_catalog=self.conn.service_catalog))
+        self.exit_json(changed=False,
+                       auth_token=self.conn.auth_token)
 
 
 def main():