A script to monitor Kohana Resque

monitor_php_resque

#!/bin/bash

ENV="development"
ROOT="/vagrant"
QUEUES="*"
COUNT=2
VERBOSE=1

MINION="$ROOT/minion"
TASK="resque"

max_perc=25
mem_perc=`ps aux | grep "php index.php --uri=minion --task=resque" | grep -v "grep" | sort -r -k4 | head -1 | awk '{print $4}'`
mem_perc=$( printf "%.0f" $mem_perc )

if [ $mem_perc -gt $max_perc ]
then
	echo "[$(date '+%Z %b %d %T')] PHP Resque has exceeded $max_perc percent of the system memory" >> /var/log/monitor_php_resque.log

	cd $ROOT

	echo "[$(date '+%Z %b %d %T')] Shutting down $COUNT PHP Resque workers" >> /var/log/monitor_php_resque.log
	$MINION $TASK --shutdown --env=$ENV >> /dev/null

	sleep 1

	echo "[$(date '+%Z %b %d %T')] Starting $COUNT PHP Resque workers" >> /var/log/monitor_php_resque.log
	$MINION $TASK --resque=$QUEUES --count=$COUNT --verbose=$VERBOSE --env=$ENV >> /dev/null
fi