builder-support/debian/recursor/debian-jessie/pdns-recursor.init

   1 #!/bin/sh
   2 ### BEGIN INIT INFO
   3 # Provides:          pdns-recursor
   4 # Required-Start:    $network $remote_fs $syslog
   5 # Required-Stop:     $network $remote_fs $syslog
   6 # Default-Start:     2 3 4 5
   7 # Default-Stop:      0 1 6
   8 # Short-Description: PowerDNS Recursor - Recursive DNS Server
   9 # Description:       PowerDNS Recursor - Recursive DNS Server
  10 ### END INIT INFO
  11
  12 #
  13 # Authors:      Matthijs Möhlmann <matthijs@cacholong.nl>
  14 #           Christoph Haas <haas@debian.org>
  15 #
  16 # Thanks to:
  17 # Thomas Hood <jdthood@aglu.demon.nl>
  18 #
  19 # initscript for PowerDNS recursor
  20
  21 # Load lsb stuff for systemd redirection (if available).
  22 if [ -e /lib/lsb/init-functions ]; then
  23   . /lib/lsb/init-functions
  24 fi
  25
  26 PATH=/sbin:/bin:/usr/sbin:/usr/bin
  27 DESC="PowerDNS Recursor"
  28 NAME=pdns_recursor
  29 DAEMON=/usr/sbin/$NAME
  30 # Derive the socket-dir setting from /etc/powerdns/recursor.conf
  31 # or fall back to the default /var/run if not specified there.
  32 PIDDIR=$(awk -F= '/^socket-dir=/ {print $2}' /etc/powerdns/recursor.conf)
  33 if [ -z "$PIDDIR" ]; then PIDDIR=/var/run; fi
  34 PIDFILE=$PIDDIR/$NAME.pid
  35
  36 # Gracefully exit if the package has been removed.
  37 test -x $DAEMON || exit 0
  38
  39 # Read config file if it is present.
  40 if [ -r /etc/default/pdns-recursor ]; then
  41   . /etc/default/pdns-recursor
  42 fi
  43
  44 start() {
  45 # Return
  46 #  0 if daemon has been started / was already running
  47 #  >0 if daemon could not be started
  48   start-stop-daemon --start --oknodo --quiet --pidfile $PIDFILE --exec $DAEMON --test > /dev/null || return 0
  49   start-stop-daemon --start --oknodo --quiet --pidfile $PIDFILE --exec $DAEMON -- --daemon=yes || return 2
  50 }
  51
  52 start_resolvconf() {
  53   if [ "X$RESOLVCONF" = "Xyes" ] && [ -x /sbin/resolvconf ]; then
  54     echo "nameserver 127.0.0.1" | /sbin/resolvconf -a lo.pdns-recursor
  55   fi
  56   return 0
  57 }
  58
  59 stop() {
  60 # Return
  61 #  0 if daemon has been stopped
  62 #  1 if daemon was already stopped
  63 #  2 if daemon could not be stopped
  64 #  other if a failure occured
  65   start-stop-daemon --stop --quiet --pidfile $PIDFILE --name $NAME
  66   RETVAL="$?"
  67   [ "$RETVAL" = 2 ] && return 2
  68   rm -f $PIDFILE
  69   return "$RETVAL"
  70 }
  71
  72 stop_resolvconf() {
  73   if [ "X$RESOLVCONF" = "Xyes" ] && [ -x /sbin/resolvconf ]; then
  74     /sbin/resolvconf -d lo.pdns-recursor
  75   fi
  76   return 0
  77 }
  78
  79 isrunning()
  80 {
  81   /usr/bin/rec_control ping > /dev/null
  82   return $?
  83 }
  84
  85 case "$1" in
  86   start)
  87     if [ "$START" != "yes" ]; then
  88       echo "Not starting $DESC -- disabled."
  89       exit 0
  90     fi
  91     echo -n "Starting $DESC: $NAME ..."
  92     start
  93     case "$?" in
  94       0)
  95         start_resolvconf
  96         echo done
  97         break
  98         ;;
  99       1)
 100         echo "already running"
 101         break
 102         ;;
 103       *)
 104         echo "failed"
 105         exit 1
 106         ;;
 107     esac
 108   ;;
 109   stop)
 110     stop_resolvconf
 111     echo -n "Stopping $DESC: $NAME ..."
 112     stop
 113     case "$?" in
 114       0)
 115         echo done
 116         break
 117         ;;
 118       1)
 119         echo "not running"
 120         break
 121         ;;
 122       *)
 123         echo "failed"
 124         exit 1
 125         ;;
 126     esac
 127   ;;
 128   restart|force-reload)
 129     if [ "$START" != "yes" ]; then
 130       $0 stop
 131       exit 0
 132     fi
 133     echo -n "Restarting $DESC ..."
 134     stop
 135     case "$?" in
 136       0|1)
 137         start
 138         case "$?" in
 139           0)
 140             echo done
 141             exit 0
 142             ;;
 143           1)
 144             echo "failed -- old process still running"
 145             exit 1
 146             ;;
 147           *)
 148             echo "failed to start"
 149             exit 1
 150             ;;
 151         esac
 152       ;;
 153       *)
 154         echo "failed to stop"
 155         exit 1
 156       ;;
 157     esac
 158   ;;
 159   status)
 160     if isrunning; then
 161       echo "$NAME is running"
 162       exit 0
 163     else
 164       echo "$NAME is not running or not responding"
 165       exit 3
 166     fi
 167   ;;
 168   *)
 169     echo "Usage: $0 {start|stop|restart|force-reload|status}" >&2
 170     exit 3
 171   ;;
 172 esac
 173
 174 exit 0
 175