Add boilerplate and remove wildcard imports for openstack modules (#31461)

* Add boilerplate and remove wildcard imports for openstack modules
* Remove openstack files that are now pep8 compliant from the legacy list

lib/ansible/modules/cloud/openstack/os_keystone_domain.py

@@ -1,18 +1,10 @@
 #!/usr/bin/python
 # Copyright (c) 2015 Hewlett-Packard Development Company, L.P.
-#
-# This module is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This software is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this software.  If not, see <http://www.gnu.org/licenses/>.
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+from __future__ import absolute_import, division, print_function
+__metaclass__ = type
+
 
 ANSIBLE_METADATA = {'metadata_version': '1.1',
                     'status': ['preview'],
@@ -112,6 +104,9 @@ try:
 except ImportError:
     HAS_SHADE = False
 
+from ansible.module_utils.basic import AnsibleModule
+from ansible.module_utils.openstack import openstack_full_argument_spec, openstack_module_kwargs
+
 
 def _needs_update(module, domain):
     if module.params['description'] is not None and \
@@ -121,6 +116,7 @@ def _needs_update(module, domain):
         return True
     return False
 
+
 def _system_state_change(module, domain):
     state = module.params['state']
     if state == 'absent' and domain:
@@ -133,8 +129,8 @@ def _system_state_change(module, domain):
 
     return False
 
-def main():
 
+def main():
     argument_spec = openstack_full_argument_spec(
         name=dict(required=True),
         description=dict(default=None),
@@ -187,18 +183,15 @@ def main():
 
         elif state == 'absent':
             if domain is None:
-                changed=False
+                changed = False
             else:
                 cloud.delete_domain(domain.id)
-                changed=True
+                changed = True
             module.exit_json(changed=changed)
 
     except shade.OpenStackCloudException as e:
         module.fail_json(msg=str(e))
 
 
-from ansible.module_utils.basic import *
-from ansible.module_utils.openstack import *
-
 if __name__ == '__main__':
     main()