#!/usr/bin/env bash
set -o errexit
set -o pipefail

if [ -z "$1" ]; then
	echo "Usage: $0 sauce-connect-pid" 1>&2
	exit
fi

pid="$1"
echo "PID: $pid"

echo "Stopping Sauce Connect"
# Sauce Connect docs say that we can just kill -9 it if we don't care about
# failing any ongoing sessions. In practice, that sometimes works but usually
# leaks a tunnel so badly that you can't even stop it from the web UI. 
# Instead of doing that, we give Sauce Connect some time to shut down
# gracefully and then give up.
kill -INT $pid

# Wait up to 2 minutes, then give up if it's still running
n=0
while [ $n -lt 120 ] && ps -p $pid > /dev/null; do
	sleep 1
	kill -INT $pid 2> /dev/null || true
	n=$(($n + 1))
done

if ps -p $pid > /dev/null; then
	echo "Could not shut down Sauce Connect"
fi

exit $exitcode