Added Arguments for Facter module (#768)

* Added arguments and Documentation

* fixing sanity checks

* Added documentation

* attempting doc fix

* removed elements from doc

* updated elements

* Update plugins/modules/system/facter.py

Co-authored-by: Andrew Klychkov <aaklychkov@mail.ru>

* Update plugins/modules/system/facter.py

Co-authored-by: Andrew Klychkov <aaklychkov@mail.ru>

* Create 768-factor.yml

added change log

* Rename 768-factor.yml to 768-facter.yml

* Update changelogs/fragments/768-facter.yml

Co-authored-by: Felix Fontein <felix@fontein.de>

* Updated Doc, simplified arg add

Co-authored-by: Andrew Klychkov <aaklychkov@mail.ru>
Co-authored-by: Felix Fontein <felix@fontein.de>

changelogs/fragments/768-facter.yml

@@ -0,0 +1,2 @@
+minor_changes:
+  - facter - added option for ``arguments`` (https://github.com/ansible-collections/community.general/pull/768).

plugins/modules/system/facter.py

@@ -12,20 +12,37 @@ DOCUMENTATION = '''
 module: facter
 short_description: Runs the discovery program I(facter) on the remote system
 description:
-- Runs the I(facter) discovery program
-  (U(https://github.com/puppetlabs/facter)) on the remote system, returning
-  JSON data that can be useful for inventory purposes.
+    - Runs the C(facter) discovery program
+      (U(https://github.com/puppetlabs/facter)) on the remote system, returning
+      JSON data that can be useful for inventory purposes.
+options:
+    arguments:
+        description:
+            - Specifies arguments for facter.
+        type: list
+        elements: str
 requirements:
-- facter
-- ruby-json
+    - facter
+    - ruby-json
 author:
-- Ansible Core Team
-- Michael DeHaan
+    - Ansible Core Team
+    - Michael DeHaan
 '''
 
 EXAMPLES = '''
 # Example command-line invocation
-ansible www.example.net -m facter
+# ansible www.example.net -m facter
+
+- name: Execute facter no arguments
+  community.general.facter:
+
+- name: Execute facter with arguments
+  community.general.facter:
+    arguments:
+        - -p
+        - system_uptime
+        - timezone
+        - is_virtual
 '''
 import json
 
@@ -34,12 +51,18 @@ from ansible.module_utils.basic import AnsibleModule
 
 def main():
     module = AnsibleModule(
-        argument_spec=dict()
+        argument_spec=dict(
+            arguments=dict(required=False, type='list', elements='str')
+        )
     )
 
-    facter_path = module.get_bin_path('facter', opt_dirs=['/opt/puppetlabs/bin'])
+    facter_path = module.get_bin_path(
+        'facter',
+        opt_dirs=['/opt/puppetlabs/bin'])
 
     cmd = [facter_path, "--json"]
+    if module.params['arguments']:
+        cmd += module.params['arguments']
 
     rc, out, err = module.run_command(cmd, check_rc=True)
     module.exit_json(**json.loads(out))