Add 'tower_settings' module for managing Ansible Tower Settings (#43933)

* add the tower_settings module

lib/ansible/modules/web_infrastructure/ansible_tower/tower_settings.py

@@ -0,0 +1,102 @@
+#!/usr/bin/python
+# coding: utf-8 -*-
+
+# (c) 2018, Nikhil Jain <nikjain@redhat.com>
+# 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: tower_settings
+author: "Nikhil Jain (@jainnikhil30)"
+version_added: "2.7"
+short_description: Modify Ansible Tower settings.
+description:
+    - Get, Modify Ansible Tower settings. See
+      U(https://www.ansible.com/tower) for an overview.
+options:
+    name:
+      description:
+        - Name of setting to get/modify
+    value:
+      description:
+        - Value to be modified for given setting.
+extends_documentation_fragment: tower
+'''
+
+RETURN = ''' # '''
+
+EXAMPLES = '''
+- name: Set the value of AWX_PROOT_BASE_PATH
+  tower_settings:
+    name: AWX_PROOT_BASE_PATH
+    value: "/tmp"
+  register: testing_settings
+
+- name: Set the value of AWX_PROOT_SHOW_PATHS
+  tower_settings:
+    name: "AWX_PROOT_SHOW_PATHS"
+    value: "'/var/lib/awx/projects/', '/tmp'"
+  register: testing_settings
+
+- name: Set the LDAP Auth Bind Password
+  tower_settings:
+    name: "AUTH_LDAP_BIND_PASSWORD"
+    value: "Password"
+  no_log: true
+'''
+
+from ansible.module_utils.ansible_tower import TowerModule, tower_auth_config, tower_check_mode
+
+try:
+    import tower_cli
+    import tower_cli.utils.exceptions as exc
+
+    from tower_cli.conf import settings
+except ImportError:
+    pass
+
+
+def main():
+    argument_spec = dict(
+        name=dict(Required=True),
+        value=dict(Required=True),
+    )
+
+    module = TowerModule(
+        argument_spec=argument_spec,
+        supports_check_mode=False
+    )
+
+    json_output = {}
+
+    name = module.params.get('name')
+    value = module.params.get('value')
+
+    tower_auth = tower_auth_config(module)
+    with settings.runtime_values(**tower_auth):
+        tower_check_mode(module)
+        try:
+            setting = tower_cli.get_resource('setting')
+            result = setting.modify(setting=name, value=value)
+
+            json_output['id'] = result['id']
+            json_output['value'] = result['value']
+
+        except (exc.ConnectionError, exc.BadRequest) as excinfo:
+            module.fail_json(msg='Failed to modify the setting: {0}'.format(excinfo), changed=False)
+
+    json_output['changed'] = result['changed']
+    module.exit_json(**json_output)
+
+
+if __name__ == '__main__':
+    main()