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init.d script for Nodejs foreverjs http://stackoverflow.com/posts/15615624 to keep a script running in production
#!/bin/sh
#
# chkconfig: 35 99 99
# description: Node.js init.d script /home/nodejs/sample/app.js
# see http://labs.telasocial.com/nodejs-forever-daemon/ and https://gist.github.com/nariyu/1211413
# jujhars13 2013-10-15
#
. /etc/rc.d/init.d/functions
USER="root"
DAEMON="/usr/bin/forever"
ROOT_DIR="/home/bandwidth-log-processor/scripts"
SCRIPT="run.js"
PARAMS="--cdn s3"
SERVER="$ROOT_DIR/$SCRIPT"
LOCK_FILE="/var/lock/subsys/s3-logs-nodejs"
export NODE_ENV="production"
export NODE_CONFIG_DIR="$ROOT_DIR/config"
#options for forever
#restart if code changes, append to log files, script must run min 0.5s, wait 30s between re-runs, -l -o -e output logs to /var/log --source dir
FOREVER_OPTIONS="-w -a --minUptime 500 --spinSleepTime 30000 -l /var/log/forever.log -o /var/log/node.log -e /var/log/node_err.log --sourceDir=$ROOT_DIR"
do_start()
{
if [ ! -f "$LOCK_FILE" ] ; then
echo -n $"Starting $SERVER: "
daemon --user=root \
$DAEMON $FOREVER_OPTIONS start $SCRIPT $PARAMS
RETVAL=$?
echo
[ $RETVAL -eq 0 ] && touch $LOCK_FILE
else
echo "$SERVER is locked."
RETVAL=1
fi
}
do_stop()
{
echo -n $"Stopping $SERVER: "
pid=`ps -aefw | grep "node" | grep -v " grep " | awk '{print $2}'`
kill -9 $pid > /dev/null 2>&1 && echo_success || echo_failure
runuser -l "$USER" -c "$DAEMON stop $SERVER &" && echo_success || echo_failure
RETVAL=$?
rm -f $LOCK_FILE
echo
[ $RETVAL -eq 0 ]
}
case "$1" in
start)
do_start
;;
stop)
do_stop
;;
restart)
do_stop
do_start
;;
*)
echo "Usage: $0 {start|stop|restart}"
RETVAL=1
esac
exit $RETVAL
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