packstack stuck at Testing if puppet apply is finished: x.x.x.x_compute.pp

Dear Experts, I have installed the single node all in one using victoria, i have to add the new node in current setup, as documented at RDO site, we have to made changes in EXCLUDE_SERVER=controllerip CONFIG_COMPUTE_HOST=newcompute ip, i edited the answer file and run on the controller node but it stuck at Testing if puppet apply is finished: X.X.X.X_compute.pp And it does not show any error, kindly suggest. Thanks