This implements a basic --check mode which for now is only implemented on template & copy operations. More detail will be shared with the list

shortly.

lib/ansible/runner/action_plugins/async.py

@@ -15,6 +15,8 @@
 # You should have received a copy of the GNU General Public License
 # along with Ansible.  If not, see <http://www.gnu.org/licenses/>.
 
+from ansible.runner.return_data import ReturnData
+
 class ActionModule(object):
 
     def __init__(self, runner):
@@ -23,6 +25,9 @@ class ActionModule(object):
     def run(self, conn, tmp, module_name, module_args, inject):
         ''' transfer the given module name, plus the async module, then run it '''
 
+        if self.runner.check:
+            return ReturnData(conn=conn, comm_ok=True, result=dict(skipped=True, msg='check mode not supported for this module'))
+
         # shell and command module are the same
         if module_name == 'shell':
             module_name = 'command'