Migrate openstack modules as a collection

Migrate accordin to Ansible guidelines [1[]] and tool
migrate.py [2]
Also fixed ALL ansible-test sanity issues

Add pep8 and linter job with runs ansible-test sanity test.

[1] https://etherpad.openstack.org/p/openstack-ansible-modules
[2] https://github.com/ansible-community/collection_migration

Change-Id: Ib2b1c8f23aacfca95304132bfe5c4cdedbea0520

plugins/modules/os_client_config.py

@@ -0,0 +1,81 @@
+#!/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)
+
+
+from __future__ import absolute_import, division, print_function
+__metaclass__ = type
+
+ANSIBLE_METADATA = {'metadata_version': '1.1',
+                    'status': ['preview'],
+                    'supported_by': 'community'}
+
+
+DOCUMENTATION = '''
+---
+module: os_client_config
+short_description: Get OpenStack Client config
+description:
+  - Get I(openstack) client config data from clouds.yaml or environment
+notes:
+  - Facts are placed in the C(openstack.clouds) variable.
+options:
+   clouds:
+     description:
+        - List of clouds to limit the return list to. No value means return
+          information on all configured clouds
+     required: false
+     default: []
+requirements: [ os-client-config ]
+author: "Monty Taylor (@emonty)"
+'''
+
+EXAMPLES = '''
+- name: Get list of clouds that do not support security groups
+  os_client_config:
+
+- debug:
+    var: "{{ item }}"
+  with_items: "{{ openstack.clouds | rejectattr('secgroup_source', 'none') | list }}"
+
+- name: Get the information back just about the mordred cloud
+  os_client_config:
+    clouds:
+      - mordred
+'''
+
+try:
+    import os_client_config
+    from os_client_config import exceptions
+    HAS_OS_CLIENT_CONFIG = True
+except ImportError:
+    HAS_OS_CLIENT_CONFIG = False
+
+from ansible.module_utils.basic import AnsibleModule
+
+
+def main():
+    module = AnsibleModule(argument_spec=dict(
+        clouds=dict(required=False, type='list', default=[]),
+    ))
+
+    if not HAS_OS_CLIENT_CONFIG:
+        module.fail_json(msg='os-client-config is required for this module')
+
+    p = module.params
+
+    try:
+        config = os_client_config.OpenStackConfig()
+        clouds = []
+        for cloud in config.get_all_clouds():
+            if not p['clouds'] or cloud.name in p['clouds']:
+                cloud.config['name'] = cloud.name
+                clouds.append(cloud.config)
+        module.exit_json(ansible_facts=dict(openstack=dict(clouds=clouds)))
+    except exceptions.OpenStackConfigException as e:
+        module.fail_json(msg=str(e))
+
+
+if __name__ == "__main__":
+    main()