enabled initial support for password prompt on become

- moved check prompt/password functions to connection, make more senes there
- TODO: consider moving make_become to connection from connection_info
- removed executable param that was never overriden outside of connection info

lib/ansible/plugins/action/__init__.py

@@ -425,7 +425,7 @@ class ActionBase:
         debug("done with _execute_module (%s, %s)" % (module_name, module_args))
         return data
 
-    def _low_level_execute_command(self, cmd, tmp, executable=None, sudoable=True, in_data=None):
+    def _low_level_execute_command(self, cmd, tmp, sudoable=True, in_data=None):
         '''
         This is the function which executes the low level shell command, which
         may be commands to create/remove directories for temporary files, or to
@@ -438,17 +438,15 @@ class ActionBase:
             debug("no command, exiting _low_level_execute_command()")
             return dict(stdout='', stderr='')
 
-        if executable is None:
-            executable = C.DEFAULT_EXECUTABLE
-
-        prompt      = None
-        success_key = None
-
-        if sudoable:
-            cmd, prompt, success_key = self._connection_info.make_become_cmd(cmd, executable)
+        #FIXME: disabled as this should happen in the connection plugin, verify before removing
+        #prompt      = None
+        #success_key = None
+        #
+        #if sudoable:
+        #    cmd, prompt, success_key = self._connection_info.make_become_cmd(cmd)
 
         debug("executing the command %s through the connection" % cmd)
-        rc, stdin, stdout, stderr = self._connection.exec_command(cmd, tmp, executable=executable, in_data=in_data)
+        rc, stdin, stdout, stderr = self._connection.exec_command(cmd, tmp, in_data=in_data, sudoable=sudoable)
         debug("command execution done")
 
         if not isinstance(stdout, basestring):