ansible raw module with locking

playbook.yaml

---
- hosts: localhost
  gather_facts: no
  tasks:
  - raw: uname -a
    args:
      lock_file: '/tmp/asd'

raw.patch

--- a/raw.py
+++ b/raw.py
@@ -18,6 +18,8 @@
 __metaclass__ = type
 
 from ansible.plugins.action import ActionBase
+import fcntl
+import time
 
 
 class ActionModule(ActionBase):
@@ -39,6 +41,17 @@
             return result
 
         executable = self._task.args.get('executable', False)
+
+        lock_file = self._task.args.get('lock_file', False)
+        if lock_file:
+          x = open(lock_file, 'w+')
+          while True:
+              try:
+                  fcntl.flock(x, fcntl.LOCK_EX | fcntl.LOCK_NB)
+                  break
+              except IOError as e:
+                  time.sleep(0.1)
+
         result.update(self._low_level_execute_command(self._task.args.get('_raw_params'), executable=executable))
 
         result['changed'] = True