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

README.md

@@ -0,0 +1,4 @@
+[![GitHub Actions CI/CD build status — Collection test suite](https://github.com/ansible-collection-migration/openstack.cloud/workflows/Collection%20test%20suite/badge.svg?branch=master)](https://github.com/ansible-collection-migration/openstack.cloud/actions?query=workflow%3A%22Collection%20test%20suite%22)
+
+Ansible Collection: openstack.cloud
+=================================================

galaxy.yml

@@ -0,0 +1,20 @@
+namespace: openstack
+name: cloud
+version: 1.0.0
+readme: README.md
+authors: Openstack
+description: Openstack Ansible modules
+license: GPLv3
+license_file: LICENSE
+tags:
+  - cloud
+  - openstack
+dependencies: {}
+repository: https://opendev.org/openstack/ansible-collections-openstack.git
+documentation: https://docs.openstack.org/ansible-collections-openstack
+homepage: https://opendev.org
+issues: https://review.opendev.org/q/project:openstack/ansible-collections-openstack
+build_ignore:
+  - build_artifact/
+  - "*.tar.gz"
+  - zuul.yaml

plugins/doc_fragments/openstack.py

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+# -*- coding: utf-8 -*-
+
+# Copyright: (c) 2014, Hewlett-Packard Development Company, L.P.
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+
+class ModuleDocFragment(object):
+
+    # Standard openstack documentation fragment
+    DOCUMENTATION = r'''
+options:
+  cloud:
+    description:
+      - Named cloud or cloud config to operate against.
+        If I(cloud) is a string, it references a named cloud config as defined
+        in an OpenStack clouds.yaml file. Provides default values for I(auth)
+        and I(auth_type). This parameter is not needed if I(auth) is provided
+        or if OpenStack OS_* environment variables are present.
+        If I(cloud) is a dict, it contains a complete cloud configuration like
+        would be in a section of clouds.yaml.
+    type: raw
+  auth:
+    description:
+      - Dictionary containing auth information as needed by the cloud's auth
+        plugin strategy. For the default I(password) plugin, this would contain
+        I(auth_url), I(username), I(password), I(project_name) and any
+        information about domains (for example, I(os_user_domain_name) or I(os_project_domain_name)) if the cloud supports them.
+        For other plugins,
+        this param will need to contain whatever parameters that auth plugin
+        requires. This parameter is not needed if a named cloud is provided or
+        OpenStack OS_* environment variables are present.
+    type: dict
+  auth_type:
+    description:
+      - Name of the auth plugin to use. If the cloud uses something other than
+        password authentication, the name of the plugin should be indicated here
+        and the contents of the I(auth) parameter should be updated accordingly.
+    type: str
+  region_name:
+    description:
+      - Name of the region.
+    type: str
+  wait:
+    description:
+      - Should ansible wait until the requested resource is complete.
+    type: bool
+    default: yes
+  timeout:
+    description:
+      - How long should ansible wait for the requested resource.
+    type: int
+    default: 180
+  api_timeout:
+    description:
+      - How long should the socket layer wait before timing out for API calls.
+        If this is omitted, nothing will be passed to the requests library.
+    type: int
+  validate_certs:
+    description:
+      - Whether or not SSL API requests should be verified.
+      - Before Ansible 2.3 this defaulted to C(yes).
+    type: bool
+    default: no
+    aliases: [ verify ]
+  ca_cert:
+    description:
+      - A path to a CA Cert bundle that can be used as part of verifying
+        SSL API requests.
+    type: str
+    aliases: [ cacert ]
+  client_cert:
+    description:
+      - A path to a client certificate to use as part of the SSL transaction.
+    type: str
+    aliases: [ cert ]
+  client_key:
+    description:
+      - A path to a client key to use as part of the SSL transaction.
+    type: str
+    aliases: [ key ]
+  interface:
+    description:
+        - Endpoint URL type to fetch from the service catalog.
+    type: str
+    choices: [ admin, internal, public ]
+    default: public
+    aliases: [ endpoint_type ]
+requirements:
+  - python >= 2.7
+  - openstacksdk >= 0.12.0
+notes:
+  - The standard OpenStack environment variables, such as C(OS_USERNAME)
+    may be used instead of providing explicit values.
+  - Auth information is driven by openstacksdk, which means that values
+    can come from a yaml config file in /etc/ansible/openstack.yaml,
+    /etc/openstack/clouds.yaml or ~/.config/openstack/clouds.yaml, then from
+    standard environment variables, then finally by explicit parameters in
+    plays. More information can be found at
+    U(https://docs.openstack.org/openstacksdk/)
+'''