Now force exit if an exception is raised in execute's child

cloudcontrol/node/utils.py

@@ -89,7 +89,14 @@ def execute(main_loop, args, stdin=None):
 
             close_fds(debug=True)
 
-            os.execvp(args[0], args)
+            try:
+                os.execvp(args[0], args)
+            except OSError as err:
+                if err.errno == 2:
+                    os._exit(127)
+                os._exit(1)
+            except:
+                os._exit(1)
         else:  # Parent
             os.close(r_stdin)
             os.close(w_stdout)