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#!/bin/sh
### BEGIN INIT INFO
# Provides: knot
# Required-Start: $network $local_fs $remote_fs $syslog
# Required-Stop: $remote_fs $syslog
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: authoritative domain name server
# Description: Knot DNS is a authoritative-only domain name server
### END INIT INFO
# Author: Ondřej Surý <ondrej@debian.org>
# PATH should only include /usr/* if it runs after the mountnfs.sh script
PATH=/sbin:/usr/sbin:/bin:/usr/bin
DESC="Knot DNS server" # Introduce a short description here
NAME=knotd # Introduce the short server's name here
DAEMON=/usr/sbin/$NAME # Introduce the server's location here
PIDFILE=/run/knot/knot.pid
SCRIPTNAME=/etc/init.d/knot
KNOTC=/usr/sbin/knotc
# Exit if the package is not installed
[ -x $DAEMON ] || exit 0
KNOTD_ARGS="-c /etc/knot/knot.conf"
# Read configuration variable file if it is present
[ -r /etc/default/knot ] && . /etc/default/knot
DAEMON_ARGS="-d $KNOTD_ARGS"
# 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
$KNOTC status >/dev/null 2>/dev/null \
&& return 1
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
$KNOTC status >/dev/null 2>/dev/null \
|| return 1
$KNOTC stop >/dev/null
RETVAL="$?"
[ $? = 1 ] && return 2
# Many daemons don't delete their pidfiles when they exit.
rm -f $PIDFILE
return 0
}
do_reload() {
$KNOTC reload >/dev/null
return $?
}
do_tmpfiles() {
local type path mode user group age argument
if [ -r "$1" ]; then
if [ -x /bin/systemd-tmpfiles ]; then
/bin/systemd-tmpfiles --create "$1"
else
while read type path mode user group age argument; do
case "$type" in
d)
mkdir -p "$path";
chmod "$mode" "$path";
chown "$user:$group" "$path";
;;
\#*)
;;
*)
log_warning_msg "tmpfile.d type '$type' is not supported yet"
;;
esac
done < "$1"
fi
else
log_warning_msg "tmpfiles.d file '$1' doesn't exist or is not readable"
fi
}
case "$1" in
start)
do_tmpfiles /usr/lib/tmpfiles.d/knot.conf
log_daemon_msg "Starting $DESC " "$NAME"
do_start
case "$?" in
0|1) log_end_msg 0 ;;
2) log_end_msg 1 ;;
esac
;;
stop)
log_daemon_msg "Stopping $DESC" "$NAME"
do_stop
case "$?" in
0|1) log_end_msg 0 ;;
2) log_end_msg 1 ;;
esac
;;
status)
STATUS=$($KNOTC status 2>&1 >/dev/null)
RETVAL=$?
if [ $RETVAL = 0 ]; then
log_success_msg "$NAME is running"
else
log_failure_msg "$NAME is not running ($STATUS)"
fi
exit $RETVAL
;;
reload|force-reload)
log_daemon_msg "Reloading $DESC" "$NAME"
do_reload
log_end_msg $?
;;
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|reload|force-reload}" >&2
exit 3
;;
esac
:
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