Script that distributes all the ROS files from the central control station to the TWISTbots

distribute.sh

#!/bin/bash

stations="tbot_unit01 tbot_unit02 tbot_unit03 tbot_unit04 tbot_unit05"
excluds="distribute build msg_gen srv_gen log packs"


# Author Jasper Buesch

####################################################################################
############# DO NOT CHANGE BELOW THIS #############################################
####################################################################################

if [ "$1" == "-h" ]; then
    echo ""
    echo "This is a command line tool to distribute ROS (~/ros) code onto the tbot_units"
    echo "Usage:"
    echo "  distribute [ all | <list of bot names> ]"
    echo
    exit
fi


if [ "$#" -ne 0 ]; then
    if [ "$1" == "all" ]; then
        stations=$stations
    else
        stations=$@
    fi
fi

echo $stations

return=""
station=""
active_stations=""
running="False"


exclude_param=""
for i in $excluds
  do
    exclude_param="$exclude_param --exclude=$i"
done

echo ""
echo "Pinging for active stations..."
echo ""

check_if_station_is_there ()
{
	result="$(ping -w 1 -c 1 $station | grep '1 received' | awk -F ' ' '{print $1}')"
    if [ "$result" == "" ]; then
      echo "$station not present"
      return
    elif  [ $result -ne 1 ]; then
      return
    else 
      return='True'
    fi
}

for i in $stations
  do
    station=$i
    return='False'
    check_if_station_is_there
    if [ $return == 'True' ]; then
        running="True"
        echo "$station PRESENT!"
        $(rsync -a -z $exclude_param  /home/tbot/cps_ros/ $i:/home/tbot/ros/ ) &
    fi
done

printf "\nSynching clients."
while [ "$running" != "" ]; do
    sleep 1
    printf "."
    running="$(ps aux | grep rsync | grep ssh | awk -F ' ' '{print $12}')"
done
printf "\n"

echo "Synching to all clients finished!"