designate/contrib/djbdns/tinydns.init
Federico Ceratto be7e32dfaa Add djbdns backend
Add docs and basic tests
Update config sample file and support matrix
Change-Id: I709cea4e321f6bbee3b0f9f718fa6a9836af3ca5
2016-05-20 10:46:36 +00:00

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#! /bin/bash
### BEGIN INIT INFO
# Provides: tinydns
# Required-Start: $local_fs $remote_fs $network
# Required-Stop: $local_fs $remote_fs $network
# Should-Start: $syslog
# Should-Stop: $syslog
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: tinydns daemon processes
# Description: Start the TinyDNS resolver
### END INIT INFO
# Documentation
# man tinydns
# Load the VERBOSE setting and other rcS variables
. /lib/init/vars.sh
# Define LSB log_* functions.
. /lib/lsb/init-functions
NAME=tinydns
DAEMON=/usr/bin/$NAME
DAEMON_USER=djbdns
DESC="the tinydns daemon"
ROOTDIR=/var/lib/djbdns
PATH=/sbin:/bin:/usr/sbin:/usr/bin
LAUNCHER=/usr/bin/envuidgid
LAUNCHER_ARGS="$DAEMON_USER envdir ./env softlimit -d300000 $DAEMON"
PIDFILE=/run/$NAME.pid
# Exit if executable is not installed
[ -x "$DAEMON" ] || exit 0
set -x
case "$1" in
start)
if [ ! -d "$ROOTDIR" ]; then
log_action_msg "Not starting $DESC: $ROOTDIR is missing."
exit 0
fi
log_action_begin_msg "Starting $DESC"
if start-stop-daemon --stop --signal 0 --quiet --pidfile $PIDFILE --exec $DAEMON; then
log_action_end_msg 0 "already running"
else
if start-stop-daemon --start --verbose --make-pidfile --chdir $ROOTDIR --pidfile $PIDFILE --exec $LAUNCHER -- $LAUNCHER_ARGS
then
log_action_end_msg 0
else
log_action_end_msg 1
exit 1
fi
fi
;;
stop)
log_action_begin_msg "Stopping $DESC"
pid=$(cat $PIDFILE 2>/dev/null) || true
if test ! -f $PIDFILE -o -z "$pid"; then
log_action_end_msg 0 "not running - there is no $PIDFILE"
exit 0
fi
if start-stop-daemon --stop --signal INT --quiet --pidfile $PIDFILE --exec $DAEMON; then
rm -f $PIDFILE
elif kill -0 $pid 2>/dev/null; then
log_action_end_msg 1 "Is $pid not $NAME? Is $DAEMON a different binary now?"
exit 1
else
log_action_end_msg 1 "$DAEMON died: process $pid not running; or permission denied"
exit 1
fi
;;
reload)
echo "Not implemented, use restart"
exit 1
;;
restart|force-reload)
$0 stop
$0 start
;;
status)
if test ! -r $(dirname $PIDFILE); then
log_failure_msg "cannot read PID file $PIDFILE"
exit 4
fi
pid=$(cat $PIDFILE 2>/dev/null) || true
if test ! -f $PIDFILE -o -z "$pid"; then
log_failure_msg "$NAME is not running"
exit 3
fi
if ps "$pid" >/dev/null 2>&1; then
log_success_msg "$NAME is running"
exit 0
else
log_failure_msg "$NAME is not running"
exit 1
fi
;;
*)
log_action_msg "Usage: $0 {start|stop|restart|force-reload|status}" >&2
exit 1
;;
esac
exit 0