unbound.init

   1 #!/bin/sh
   2 #
   3 # unbound       This shell script takes care of starting and stopping
   4 #               unbound (DNS server).
   5 #
   6 # chkconfig:   - 14 86
   7 # description:  unbound is a Domain Name Server (DNS) \
   8 #               that is used to resolve host names to IP addresses.
   9 #
  10 ### END INIT INFO
  11
  12 # Source function library.
  13 . /etc/rc.d/init.d/functions
  14
  15 pidfile="/var/unbound/unbound.pid"
  16
  17 [ -e /etc/sysconfig/unbound ] && . /etc/sysconfig/unbound
  18
  19 lockfile=/var/lock/subsys/unbound
  20
  21 start() {
  22     [ -x /usr/sbin/unbound ] || exit 5
  23     [ -f /etc/unbound/unbound.conf ] || exit 6
  24     echo -n $"Starting unbound: "
  25
  26     # setup root jail
  27     if [ -s /etc/localtime ]; then
  28         [ -d /var/lib/unbound/etc ] || mkdir -p /var/lib/unbound/etc ;
  29         if [ ! -e /var/lib/unbound/etc/localtime ] || /usr/bin/cmp -s /etc/localtime /var/lib/unbound/etc/localtime; then
  30             cp -fp /etc/localtime /var/lib/unbound/etc/localtime
  31         fi;
  32     fi;
  33     if [ -s /etc/resolv.conf ]; then
  34         [ -d /var/lib/unbound/etc ] || mkdir -p /var/lib/unbound/etc ;
  35         if [ ! -e /var/lib/unbound/etc/resolv.conf ] || /usr/bin/cmp -s /etc/resolv.conf /var/lib/unbound/etc/resolv.conf; then
  36             cp -fp /etc/resolv.conf /var/lib/unbound/etc/resolv.conf
  37         fi;
  38     fi;
  39     if ! egrep -q '^/[^[:space:]]+[[:space:]]+'/var/lib/unbound'/dev/log' /proc/mounts; then
  40         [ -d /var/lib/unbound/dev ] || mkdir -p /var/lib/unbound/dev ;
  41         [ -e /var/lib/unbound/dev/log ] || touch /var/lib/unbound/dev/log
  42         mount --bind -n /dev/log /var/lib/unbound/dev/log >/dev/null 2>&1;
  43     fi;
  44     if ! egrep -q '^/[^[:space:]]+[[:space:]]+'/var/lib/unbound'/dev/random' /proc/mounts; then
  45         [ -d /var/lib/unbound/dev ] || mkdir -p /var/lib/unbound/dev ;
  46         [ -e /var/lib/unbound/dev/random ] || touch /var/lib/unbound/dev/random
  47         mount --bind -n /dev/random /var/lib/unbound/dev/random >/dev/null 2>&1;
  48     fi;
  49
  50     # if not running, start it up here
  51     daemon /usr/sbin/unbound
  52     retval=$?
  53     echo
  54     [ $retval -eq 0 ] && touch $lockfile
  55     return $retval
  56 }
  57
  58 stop() {
  59     echo -n $"Stopping unbound: "
  60     # stop it here, often "killproc unbound"
  61     killproc -p $pidfile unbound
  62     retval=$?
  63     echo
  64     [ $retval -eq 0 ] && rm -f $lockfile
  65     if egrep -q '^/[^[:space:]]+[[:space:]]+'/var/lib/unbound'/dev/log' /proc/mounts; then
  66         umount /var/lib/unbound/dev/log >/dev/null 2>&1
  67     fi;
  68     if egrep -q '^/[^[:space:]]+[[:space:]]+'/var/lib/unbound'/dev/random' /proc/mounts; then
  69         umount /var/lib/unbound/dev/random >/dev/null 2>&1
  70     fi;
  71     return $retval
  72 }
  73
  74 restart() {
  75     stop
  76     start
  77 }
  78
  79 reload() {
  80     kill -HUP `cat $pidfile`
  81 }
  82
  83 force_reload() {
  84     restart
  85 }
  86
  87 rh_status() {
  88     # run checks to determine if the service is running or use generic status
  89     status -p $pidfile unbound
  90 }
  91
  92 rh_status_q() {
  93     rh_status -p $pidfile >/dev/null 2>&1
  94 }
  95
  96 case "$1" in
  97     start)
  98         rh_status_q && exit 0
  99         $1
 100         ;;
 101     stop)
 102         rh_status_q || exit 0
 103         $1
 104         ;;
 105     restart)
 106         $1
 107         ;;
 108     reload)
 109         rh_status_q || exit 7
 110         $1
 111         ;;
 112     force-reload)
 113         force_reload
 114         ;;
 115     status)
 116         rh_status
 117         ;;
 118     condrestart|try-restart)
 119         rh_status_q || exit 0
 120         restart
 121         ;;
 122     *)
 123         echo $"Usage: $0 {start|stop|status|restart|condrestart|try-restart|reload|force-reload}"
 124         exit 2
 125 esac
 126 exit $?