dostuff.sh

#!/bin/sh

# Edit in the commands you want to run
COMMAND="uptime"

unset CHAR PASS CONFIRM

echo -n "Enter webserver root password: "
while IFS= read -r -s -n1 CHAR
do
	if [[ -z $CHAR ]];
	then
		break
	else
		echo -en "\e[1;36m*\e[0m"
		PASS+=$CHAR
	fi
done

echo
echo -en "About to execute \"\e[1;36m$COMMAND\e[0m\" on the webservers, proceed? [y/n]: "
read CONFIRM
CONFIRM=`echo $CONFIRM|tr [a-z] [A-Z]`

if [ "$CONFIRM" == "Y" ];
then
	for i in `seq -f %02g 2 27`
	do
		# There is no web10, only Zuul.
		if [ $i -eq 10 ];
		then
			continue
		fi

		OUTPUT=$(sshpass -p $PASS ssh root@web$i "$COMMAND" 2> /dev/null)

		if [ $? -eq 5 ];
		then
			echo
			echo -e "The password you entered is \e[1;31mincorrect\e[0m."
			echo
			exit
		else
			echo
			echo -e "Working on \e[1;36mweb$i\e[0m:"
			echo "$OUTPUT"
			unset OUTPUT
		fi
	done
else
	echo
	echo -e "\e[1;31mAbort! Abort!\e[0m"
	exit
fi