feat: Add port option to get a fixed internal ip

This will resolve rc/hpc-factory#181

.gitlab-ci.yml

@@ -311,7 +311,9 @@ deploy_login_node:
       cmd+=" --network $INSTANCE_NETWORK"
       cmd+=" --security-group allow-ssh"
       cmd+=" --user-data user_data.txt"
-      if [ -n "$LOGIN_PORT" ];then cmd+=" --port $LOGIN_PORT"; fi
+      if [ -n "$LOGIN_PORT" ];then
+      cmd+=" --port $LOGIN_PORT";
+      fi
       cmd+=" --wait $LOGIN_INSTANCE_NAME"
     - export LOGIN_INSTANCE_ID=$(bash -c "$cmd")
     - |