run-ed-devtracker-collector

#!/bin/bash
#
# Wrapper script to run ed-devtracker-collector.pl and watchdog it in
# case it takes too long.

# The script to be run
SCRIPT="./ed-devtracker-collector.pl"

# The lockfile to check
LOCKFILE="ed-devtracker-collector.lock"

# Maximum time to allow the script to run for, in seconds
MAX_ELAPSED=900		# 15 minutes

cd `dirname $0` || exit 1

# Is there an already running instance?
if [ -f "${LOCKFILE}" ];
then
	# echo "Lockfile present"
	LSOF=$(lsof "${LOCKFILE}" 2>/dev/null | tail -1)
	if [ ! -z "${LSOF}" ];
	then
		echo "Lockfile has a process attached"
		PID=$(echo "${LSOF}" | awk '{print $2}')
		if [ ! -z "${PID}" ];
		then
			ELAPSED=$(ps --no-headers -o etimes -p ${PID})
			if [ ! -z "${ELAPSED}" ];
			then
				if [ "${ELAPSED}" -gt "${MAX_ELAPSED}" ];
				then
					echo "Elapsed time since start \(${ELAPSED}\) > ${MAX_ELAPSED}"
					kill ${PID}
				else
					echo "Elapsed time only ${ELAPSED}"
					exit 0
				fi
			else
				echo "Process disappeared before ps"
			fi
		else
			echo "Process disappeared before lsof"
		fi
	else
		# echo "Nothing currently locking"
		:;
	fi
else
	echo "No lock file found"
fi
exec ${SCRIPT}