Calibre Server upstart script

calibre

#! /bin/sh
### BEGIN INIT INFO
# Provides: calibre
# Required-Start: network
# Required-Stop:
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Controls the Calibre content server
# Description: Controls the Calibre content web server
#
### END INIT INFO
# Original author: Alexandrdos Schillings
# Modifications: K-Light
#
# UPDATES:
#  - Added USERNAME and PASSWORD to DAEMON_ARGS
#  - In version 0.7.27+ of calibre, the "auto reload" command has been unbundled from "--develop"
#
# Please remove the "Author" lines above and replace them
# with your own name if you copy and modify this script.
# Do NOT "set -e"
# PATH should only include /usr/* if it runs after the mountnfs.sh script
#
#
PATH=/sbin:/usr/sbin:/bin:/usr/bin
DESC="Calibre Content Server"
NAME=calibre-server
DAEMON=/usr/bin/$NAME
PIDFILE=/var/run/$NAME.pid
UID=calibre
GID=calibre

# Edit the CONTENT variable below to point it to your library directory.
# Edit the PORT variable below to change the port the server will run on.
# Edit the MAX_COVER variable below to change the maximum size of a book cover image.
# Edit the USERNAME variable below to your desired username
# Edit the PASSWORD variable below to your desired password
CONTENT=/var/lib/calibre
PORT=8080
MAX_COVER=300x400
USERNAME=CALIBRE_USER
PASSWORD=CALIBRE_PASSWORD

DAEMON_ARGS="--auto-reload --with-library=$CONTENT --pidfile=$PIDFILE --port=$PORT --max-cover=$MAX_COVER --username=$USERNAME --password=$PASSWORD --daemonize"
SCRIPTNAME=/etc/init.d/$NAME

# Exit if the package is not installed
[ -x "$DAEMON" ] || exit 0

# Read configuration variable file if it is present
[ -r /etc/default/$NAME ] && . /etc/default/$NAME

# Load the VERBOSE setting and other rcS variables
. /lib/init/vars.sh

# Define LSB log_* functions.
# Depend on lsb-base (>= 3.0-6) to ensure that this file is present.
. /lib/lsb/init-functions

#
# Function that starts the daemon/service
#
do_start()
{
	# Return
	# 0 if daemon has been started
	# 1 if daemon was already running
	# 2 if daemon could not be started
	start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON --test > /dev/null || return 1
	start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON -- $DAEMON_ARGS || return 2
}

#
# Function that stops the daemon/service
#
do_stop()
{
	# Return
	# 0 if daemon has been stopped
	# 1 if daemon was already stopped
	# 2 if daemon could not be stopped
	# other if a failure occurred
	start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE
	RETVAL="$?"
	[ "$RETVAL" = 2 ] && return 2

	# Wait for children to finish too if this is a daemon that forks
	# and if the daemon is only ever run from this initscript.
	# If the above conditions are not satisfied then add some other code
	# that waits for the process to drop all resources that could be
	# needed by services started subsequently. A last resort is to
	# sleep for some time.
	start-stop-daemon --stop --quiet --oknodo --retry=0/30/KILL/5 --exec $DAEMON
	[ "$?" = 2 ] && return 2

	# Many daemons don't delete their pidfiles when they exit.
	rm -f $PIDFILE
	return "$RETVAL"
}

#
# Function that sends a SIGHUP to the daemon/service
#
case "$1" in
    start)
        [ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME"
        do_start
        case "$?" in
            0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
            2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
        esac
    ;;
    stop)
        [ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME"
        do_stop
        case "$?" in
            0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
            2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
        esac
    ;;
    status)
        status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $?
    ;;
    restart)
        #
        # If the "reload" option is implemented then remove the
        # 'force-reload' alias
        #
        log_daemon_msg "Restarting $DESC" "$NAME"
        do_stop
        case "$?" in
            0|1)
                do_start
                case "$?" in
                    0) log_end_msg 0 ;;
                    1) log_end_msg 1 ;; # Old process is still running
                    *) log_end_msg 1 ;; # Failed to start
                esac
            ;;
            *)
                # Failed to stop
                log_end_msg 1
            ;;
            esac
    ;;
    *)
        echo "Usage: $SCRIPTNAME {start|stop|status|restart}" >&2
        exit 3
    ;;
esac
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