Doc fragments to plugins (#50172)

* promote doc_fragments into actual plugins

  change tests hardcoded path to doc fragments
  avoid sanity in fragments
  avoid improper testing of doc_fragments
  also change runner paths
 fix botmeta
 updated comment for fragments
 updated docs

lib/ansible/plugins/doc_fragments/scaleway.py

@@ -0,0 +1,42 @@
+# -*- coding: utf-8 -*-
+# Copyright (C) 2018 Yanis Guenane <yanis+ansible@guenane.org>
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+
+class ModuleDocFragment(object):
+
+    # Standard documentation fragment
+    DOCUMENTATION = '''
+options:
+  api_token:
+    description:
+      - Scaleway OAuth token.
+    aliases: ['oauth_token']
+  api_url:
+    description:
+      - Scaleway API URL
+    default: 'https://api.scaleway.com'
+    aliases: ['base_url']
+  api_timeout:
+    description:
+      - HTTP timeout to Scaleway API in seconds.
+    default: 30
+    aliases: ['timeout']
+  query_parameters:
+    description:
+    - List of parameters passed to the query string
+    type: dict
+    default: {}
+  validate_certs:
+    description:
+      - Validate SSL certs of the Scaleway API.
+    default: yes
+    type: bool
+notes:
+  - Also see the API documentation on U(https://developer.scaleway.com/)
+  - If C(api_token) is not set within the module, the following
+    environment variables can be used in decreasing order of precedence
+    C(SCW_TOKEN), C(SCW_API_KEY), C(SCW_OAUTH_TOKEN) or C(SCW_API_TOKEN).
+  - If one wants to use a different C(api_url) one can also set the C(SCW_API_URL)
+    environment variable.
+'''