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#!/bin/sh
### BEGIN INIT INFO
# Provides: octoprint
# Required-Start: $local_fs networking
# Required-Stop:
# Should-Start:
# Should-Stop:
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: OctoPrint daemon
# Description: Starts the OctoPrint daemon with the user specified in
# /etc/default/octoprint.
### END INIT INFO
# Author: Sami Olmari & Gina Häußge
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
DESC="OctoPrint Daemon"
NAME="OctoPrint"
PKGNAME=octoprint
PIDFILE=/var/run/$PKGNAME.pid
SCRIPTNAME=/etc/init.d/$PKGNAME
DEFAULTS=/etc/default/$PKGNAME
# Read configuration variable file if it is present
[ -r $DEFAULTS ] && . $DEFAULTS
# Define LSB log_* functions.
# Depend on lsb-base (>= 3.0-6) to ensure that this file is present.
. /lib/lsb/init-functions
# Exit if the DAEMON is not set
if [ -z "$DAEMON" ]
then
log_warning_msg "Not starting $PKGNAME, DAEMON not set in /etc/default/$PKGNAME."
exit 0
fi
# Exit if the DAEMON is not installed
[ -x "$DAEMON" ] || exit 0
# Load the VERBOSE setting and other rcS variables
[ -f /etc/default/rcS ] && . /etc/default/rcS
if [ -z "$START" -o "$START" != "yes" ]
then
log_warning_msg "Not starting $PKGNAME, edit /etc/default/$PKGNAME to start it."
exit 0
fi
if [ -z "$OCTOPRINT_USER" ]
then
log_warning_msg "Not starting $PKGNAME, OCTOPRINT_USER not set in /etc/default/$PKGNAME."
exit 0
fi
COMMAND_ARGS=
if [ -n "$BASEDIR" ]
then
COMMAND_ARGS="--basedir $BASEDIR $COMMAND_ARGS"
fi
if [ -n "$CONFIGFILE" ]
then
COMMAND_ARGS="--config $CONFIGFILE $COMMAND_ARGS"
fi
#
# Function to verify if a pid is alive
#
is_alive()
{
pid=`cat $1` > /dev/null 2>&1
kill -0 $pid > /dev/null 2>&1
return $?
}
#
# 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
is_alive $PIDFILE
RETVAL="$?"
if [ $RETVAL != 0 ]; then
start-stop-daemon --start --background --quiet --pidfile $PIDFILE --make-pidfile \
--exec $DAEMON --chuid $OCTOPRINT_USER --user $OCTOPRINT_USER --umask $UMASK --nicelevel=$NICELEVEL \
-- serve $COMMAND_ARGS $DAEMON_ARGS
RETVAL="$?"
fi
}
#
# 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 --user $OCTOPRINT_USER --pidfile $PIDFILE
RETVAL="$?"
[ "$RETVAL" = "2" ] && return 2
rm -f $PIDFILE
[ "$RETVAL" = "0" ] && return 0 || return 1
}
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 -p $PIDFILE $DAEMON $NAME && exit 0 || exit $?
;;
restart)
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