+ # NOTE(r-mibu): create tunnel to the installer node, so that we can
+ # avoid some network problems dpends on infra and installers.
+ # This tunnel will be terminated by stop_consumer() or after 10 mins passed.
+ TUNNEL_COMMAND="sudo ssh $ssh_opts $INSTALLER_IP -R $CONSUMER_PORT:localhost:$CONSUMER_PORT 'sleep 600'"
+ $TUNNEL_COMMAND > ssh_tunnel.log 2>&1 < /dev/null &