Graphite API init script

graphite-api.conf.py

bind = "0.0.0.0:2005"
workers = 4
user = "carbon"
group = "carbon"

initd_graphite_api

#!/bin/bash
#
#   /etc/rc.d/init.d/graphite-api
#
#   Start up the Graphite API server daemon
#
# chkconfig: 2345 20 80
# description: Graphite API fetchs metrics from a time-series database \
#	       and renders graphs or JSON data out of these time series. \
#              This service relies on the gunicorn application server.
#
# processname: graphite-api
# config: /etc/graphite-api.yaml
# config: /etc/graphite-api.conf.py
# config: /etc/sysconfig/graphite-api
# pidfile: /var/run/graphite-api.pid

### BEGIN INIT INFO
# Provides: graphite-api
# Required-Start: $local_fs $remote_fs
# Required-Stop: $local_fs $remote_fs
# Default-Start: 2 3 4 5
# Default-Stop: S 0 1 6
# Short-Description: Start up the Graphite API server daemon
# Description: 	     Graphite API fetchs metrics from a time-series database
#	             and renders graphs or JSON data out of these time series.
#                    This service relies on the gunicorn application server.
### END INIT INFO

# source function library
. /etc/rc.d/init.d/functions

PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
NAME='graphite-api'
LOCK_FILE=/var/lock/subsys/$NAME
RETVAL=0

# default settings
DAEMON=/usr/bin/gunicorn
PID_FILE=/var/run/graphite-api.pid
CONF_FILE=/etc/graphite-api.conf.py
LOG_FILE=/var/log/graphite-api.log
APP_MODULE='graphite_api.app:app'
DAEMON_ARGS="--config ${CONF_FILE} --daemon --error-logfile ${LOG_FILE} --access-logfile ${LOG_FILE} --pid ${PID_FILE} ${APP_MODULE}"

# pull in sysconfig settings
if [ -f /etc/sysconfig/graphite-api ]; then
  . /etc/sysconfig/graphite-api
fi


start() {
    [ -x $DAEMON ] || exit 5
    [ $UID -ne 0 ] && exit 4
    if [ -e $PID_FILE ]; then
        RETVAL=0
        warning && echo -n "${NAME} is already started"
    else
        echo -n "Starting ${NAME}: "
        $DAEMON $DAEMON_ARGS && success || failure
        RETVAL=$?
    fi
    [ $RETVAL -eq 0 ] && touch $LOCK_FILE
    echo
    return $RETVAL
}

stop() {
    [ $UID -ne 0 ] && exit 4
    [ -f $PID_FILE ] || exit 7
    echo -n "Shutting down ${NAME}: "
    kill -TERM $(cat $PID_FILE) && success || failure
    RETVAL=$?
    [ $RETVAL -eq 0 ] && rm -f $LOCK_FILE $PID_FILE
    echo
    return $RETVAL
}

reload() {
    [ $UID -ne 0 ] && exit 4
    [ -f $PID_FILE ] || exit 7
    echo -n "Reloading ${NAME}: "
    kill -HUP $(cat $PID_FILE) && success || failure
    RETVAL=$?
    echo
    return $RETVAL
}

restart() {
    stop
    sleep 1s
    start
}

rh_status() {
    status -p $PID_FILE $NAME
    RETVAL=$?
    return $RETVAL
}

case "$1" in
    start)
        start
        ;;
    stop)
        stop
        ;;
    status)
        rh_status
        ;;
    restart)
        restart
        ;;
    reload)
        reload
        ;;
    *)
        echo "Usage: ${SCRIPTNAME} {start|stop|status|reload|restart}"
        RETVAL=2
        ;;
esac
exit $RETVAL