carbon-cache

#!/bin/bash
#
# carbon-cache
#
# Graphite's carbon-cache daemon init script.
#
# William Kettler <william.p.kettler@gmail.com>
#

# Source init-functions
. /lib/lsb/init-functions

PATH=/bin:/sbin

# Path to Graphite
DAEMON_PATH=/opt/graphite/bin
DAEMON=$DAEMON_PATH/carbon-cache.py

# Name of executable daemon
NAME=carbon-cache
PIDFILE=/opt/graphite/storage/carbon-cache-a.pid
SCRIPTNAME=/etc/init.d/$NAME

# Exit if the package is not installed
if [ ! -x "$DAEMON" ]; then
    echo "$DAEMON does not exist or is not executable"
    exit 1
fi

start() {
    echo "* Starting $NAME"
    start-stop-daemon --start --pidfile $PIDFILE --exec $DAEMON start
    if [ $? -ne 0 ]; then
        echo "...failed"
        exit 1
    else
        echo "...done"
    fi
}

stop() {
    echo "* Stopping $NAME"
    start-stop-daemon --stop --signal 2 --retry 5 --pidfile $PIDFILE
    if [ $? -ne 0 ]; then
        echo "...failed"
        exit 1
    else
        echo "...done"
    fi
}

status() {
    echo "* Checking $NAME status..."
    $DAEMON status
    if [ $? -ne 0 ]; then
        exit 1
    fi
}


# Display / Parse Init Options
case "$1" in
    start)
        start
    ;;
    stop)
        stop
    ;;
    restart)
        stop
        start
    ;;
    status)
        status
    ;;
    *)
        echo "Usage: $SCRIPTNAME {start|stop|restart|status}" >&2
        exit 1
    ;;
esac