Rename all of the modules

This is separate from the previous patch - it's just the results
of running the script so we can review the two a little independently.
We should probably squash them.

Change-Id: I838f15cf4a32455a5be20033c8ddc27db6ca15c0

plugins/modules/auth.py

@@ -0,0 +1,73 @@
+#!/usr/bin/python
+
+# 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)
+
+
+ANSIBLE_METADATA = {'metadata_version': '1.1',
+                    'status': ['preview'],
+                    'supported_by': 'community'}
+
+
+DOCUMENTATION = '''
+---
+module: auth
+short_description: Retrieve an auth token
+author: "Monty Taylor (@emonty)"
+description:
+    - Retrieve an auth token from an OpenStack Cloud
+requirements:
+    - "python >= 3.6"
+    - "openstacksdk"
+extends_documentation_fragment:
+- openstack.cloud.openstack
+'''
+
+EXAMPLES = '''
+- name: Authenticate to the cloud and retrieve the service catalog
+  openstack.cloud.auth:
+    cloud: rax-dfw
+
+- name: Show service catalog
+  debug:
+    var: service_catalog
+'''
+
+RETURN = '''
+auth_token:
+    description: Openstack API Auth Token
+    returned: success
+    type: str
+service_catalog:
+    description: A dictionary of available API endpoints
+    returned: success
+    type: dict
+'''
+
+import traceback
+
+from ansible.module_utils.basic import AnsibleModule
+from ansible_collections.openstack.cloud.plugins.module_utils.openstack import (openstack_full_argument_spec,
+                                                                                openstack_module_kwargs,
+                                                                                openstack_cloud_from_module)
+
+
+def main():
+
+    argument_spec = openstack_full_argument_spec()
+    module_kwargs = openstack_module_kwargs()
+    module = AnsibleModule(argument_spec, **module_kwargs)
+
+    sdk, cloud = openstack_cloud_from_module(module)
+    try:
+        module.exit_json(
+            changed=False,
+            ansible_facts=dict(
+                auth_token=cloud.auth_token,
+                service_catalog=cloud.service_catalog))
+    except Exception as e:
+        module.fail_json(msg=str(e), exception=traceback.format_exc())
+
+
+if __name__ == '__main__':
+    main()