#!/bin/bash
# Script for running Judge0 API workers.
#
# Usage: ./scripts/workers
#
source ./scripts/load-config

run_resque=1
resque_pid=0

date_now() {
 echo -n $(date +"%Y-%m-%d-%H-%M-%S")
}

exit_gracefully() {
 echo "[$(date_now)] Killing workers."
 run_resque=0
 kill -SIGQUIT $(pgrep -P $resque_pid)
 kill -SIGTERM $resque_pid
}

trap exit_gracefully SIGTERM SIGINT

mkdir -p tmp/pids &> /dev/null
while [[ $run_resque -eq 1 ]]; do
rm -rf tmp/pids/resque.pid &> /dev/null
 echo "[$(date_now)] Starting workers."
 rails resque:workers &
 resque_pid=$!
 while ps -p $resque_pid > /dev/null; do sleep 1s; done
echo "[$(date_now)] Workers are stopped."
done