Merge backup functionality across config action plugins (#50208)

* Merge backup functionality across config action plugins

* Port updated cli_config

lib/ansible/plugins/action/cli_config.py

@@ -19,12 +19,11 @@
 from __future__ import (absolute_import, division, print_function)
 __metaclass__ = type
 
-import glob
 import os
 import re
-import time
 
 from ansible.plugins.action.normal import ActionModule as _ActionModule
+from ansible.module_utils.network.common.backup import write_backup
 
 
 PRIVATE_KEYS_RE = re.compile('__.+__')
@@ -41,9 +40,7 @@ class ActionModule(_ActionModule):
         if self._task.args.get('backup') and result.get('__backup__'):
             # User requested backup and no error occurred in module.
             # NOTE: If there is a parameter error, _backup key may not be in results.
-            filepath = self._write_backup(task_vars['inventory_hostname'],
-                                          result['__backup__'])
-
+            filepath = write_backup(self, task_vars['inventory_hostname'], result['__backup__'])
             result['backup_path'] = filepath
 
         # strip out any keys that have two leading and two trailing
@@ -53,20 +50,3 @@ class ActionModule(_ActionModule):
                 del result[key]
 
         return result
-
-    def _get_working_path(self):
-        cwd = self._loader.get_basedir()
-        if self._task._role is not None:
-            cwd = self._task._role._role_path
-        return cwd
-
-    def _write_backup(self, host, contents):
-        backup_path = self._get_working_path() + '/backup'
-        if not os.path.exists(backup_path):
-            os.mkdir(backup_path)
-        for existing_backup in glob.glob('%s/%s_config.*' % (backup_path, host)):
-            os.remove(existing_backup)
-        tstamp = time.strftime("%Y-%m-%d@%H:%M:%S", time.localtime(time.time()))
-        filename = '%s/%s_config.%s' % (backup_path, host, tstamp)
-        open(filename, 'w').write(contents)
-        return filename