Playbook check and diff modes util and radius-server implemetation (#279

)

* Playbook check and diff modes util and radius-server implemetation

* Add fragment file

* Fix sanity errors

* Address review comments

* Address review comment

changelogs/fragments/279-playbook-check-diff-modes-and-radius-server-implement.yaml

@@ -0,0 +1,2 @@
+major_changes:
+ - Playbook check and diff modes utility functions and sonic_radius_server module support for the check and diff modes (https://github.com/ansible-collections/dellemc.enterprise_sonic/pull/279).

plugins/module_utils/network/sonic/config/radius_server/radius_server.py

@@ -30,12 +30,20 @@
  get_replaced_config,
  normalize_interface_name,
 )
+from ansible_collections.dellemc.enterprise_sonic.plugins.module_utils.network.sonic.utils.formatted_diff_utils import (
+ __DELETE_CONFIG_IF_NO_SUBCONFIG,
+ get_new_config,
+ get_formatted_config_diff
+)
 
 PATCH = 'patch'
 DELETE = 'delete'
 TEST_KEYS = [
  {'host': {'name': ''}},
 ]
+TEST_KEYS_formatted_diff = [
+ {'host': {'name': '', '__delete_op': __DELETE_CONFIG_IF_NO_SUBCONFIG}},
+]
 
 
 class Radius_server(ConfigBase):
@@ -92,6 +100,16 @@ def execute_module(self):
  if result['changed']:
  result['after'] = changed_radius_server_facts
 
+ new_config = changed_radius_server_facts
+ if self._module.check_mode:
+ result.pop('after', None)
+ new_config = get_new_config(commands, existing_radius_server_facts,
+ TEST_KEYS_formatted_diff)
+ result['after(generated)'] = new_config
+
+ if self._module._diff:
+ result['config_diff'] = get_formatted_config_diff(existing_radius_server_facts,
+ new_config)
  result['warnings'] = warnings
  return result