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/url.py

@@ -0,0 +1,64 @@
+# -*- coding: utf-8 -*-
+
+# Copyright: (c) 2018, John Barker <gundalow@redhat.com>
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+
+class ModuleDocFragment(object):
+
+    # Standard files documentation fragment
+    DOCUMENTATION = r'''
+options:
+  url:
+    description:
+      - HTTP, HTTPS, or FTP URL in the form (http|https|ftp)://[user[:pass]]@host.domain[:port]/path
+    type: str
+  force:
+    description:
+      - If C(yes) do not get a cached copy.
+    aliases:
+      - thirsty
+    type: bool
+    default: no
+  http_agent:
+    description:
+      - Header to identify as, generally appears in web server logs.
+    type: str
+    default: ansible-httpget
+  use_proxy:
+    description:
+      - If C(no), it will not use a proxy, even if one is defined in an environment variable on the target hosts.
+    type: bool
+    default: yes
+  validate_certs:
+    description:
+      - If C(no), SSL certificates will not be validated.
+      - This should only be used on personally controlled sites using self-signed certificates.
+    type: bool
+    default: yes
+  url_username:
+    description:
+      - The username for use in HTTP basic authentication.
+      - This parameter can be used without I(url_password) for sites that allow empty passwords
+    type: str
+  url_password:
+    description:
+      - The password for use in HTTP basic authentication.
+      - If the I(url_username) parameter is not specified, the I(url_password) parameter will not be used.
+    type: str
+  force_basic_auth:
+    description:
+      - Credentials specified with I(url_username) and I(url_password) should be passed in HTTP Header.
+    type: bool
+    default: no
+  client_cert:
+    description:
+      - PEM formatted certificate chain file to be used for SSL client authentication.
+      - This file can also include the key as well, and if the key is included, C(client_key) is not required.
+    type: path
+  client_key:
+    description:
+      - PEM formatted file that contains your private key to be used for SSL client authentication.
+      - If C(client_cert) contains both the certificate and key, this option is not required.
+    type: path
+'''