pdns.init

   1 #!/bin/sh
   2 # pdns          This is controller stript for PowerDNS name server.
   3 #
   4 # chkconfig:    345 85 15
   5 #
   6 # description:  pdns is is a Domain Name Server (DNS) \
   7 #               that is used to resolve host names to IP addresses.
   8
   9 # Source function library
  10 . /etc/rc.d/init.d/functions
  11
  12 # Source networking configuration
  13 . /etc/sysconfig/network
  14
  15 # Check that networking is up.
  16 if is_yes "${NETWORKING}"; then
  17         if [ ! -f /var/lock/subsys/network -a "$1" != stop -a "$1" != status ]; then
  18                 msg_network_down "PowerDNS"
  19                 exit 1
  20         fi
  21 else
  22         exit 0
  23 fi
  24
  25 BINARYPATH=/usr/sbin
  26 SBINARYPATH=/usr/sbin
  27 SOCKETPATH=/var/run
  28
  29 cd /var/run
  30 suffix=`basename $0 | awk -F- '{print $2}'`
  31 if [ $suffix ]; then
  32         EXTRAOPTS=--config-name=$suffix
  33         PROGNAME=pdns-$suffix
  34 else
  35         PROGNAME=pdns
  36 fi
  37
  38 pdns_server="/usr/sbin/pdns_server $EXTRAOPTS"
  39
  40 doPC() {
  41         ret=$(/usr/bin/pdns_control $EXTRAOPTS $1 $2 2> /dev/null)
  42 }
  43
  44 doPC ping
  45 NOTRUNNING=$?
  46
  47 start() {
  48         if test "$NOTRUNNING" = "0"; then
  49                 msg_already_running "PowerDNS"
  50                 return
  51         fi
  52
  53         msg_starting "PowerDNS (Powered DNS server)"
  54         daemon $pdns_server --daemon --guardian=yes
  55         RETVAL=$?
  56         [ $RETVAL -eq 0 ] && touch /var/lock/subsys/pdns
  57 }
  58
  59 stop() {
  60         if test "$NOTRUNNING" != "0"; then
  61                 msg_not_running "PowerDNS"
  62                 return
  63         fi
  64
  65         msg_stopping "PowerDNS"
  66         doPC quit 2>&1 >/dev/null
  67         [ $? -eq 0 ] && ok || fail
  68         rm /var/lock/subsys/pdns
  69 }
  70
  71 restart() {
  72         stop
  73         run_cmd "PowerDNS (3 sec. timeout)" sleep 3
  74         start
  75 }
  76
  77 reload() {
  78         if test "$NOTRUNNING" != "0"; then
  79                 msg_not_running "PowerDNS" >&2
  80                 RETVAL=7
  81                 return
  82         fi
  83
  84         show "Reloading PowerDNS"
  85         doPC cycle 2>&1 >/dev/null
  86         if [ $? -eq 0 ]; then
  87                 ok
  88         else
  89                 fail
  90                 RETVAL=1
  91         fi
  92 }
  93
  94 monitor() {
  95         if test "$NOTRUNNING" = "0"; then
  96                 msg_already_running "PowerDNS"
  97                 return
  98         fi
  99
 100         show "PowerDNS in foreground (testing mode)"
 101         $pdns_server --daemon=no --guardian=no --control-console --loglevel=9
 102 }
 103
 104 dump() {
 105         if test "$NOTRUNNING" != "0"; then
 106                 msg_not_running "PowerDNS"
 107                 return
 108         fi
 109
 110         doPC list
 111         echo $ret
 112 }
 113
 114 show() {
 115         if [ $# -lt 2 ]; then
 116                 msg_usage "$0 {show|mrtg|cricket} <variable_name_from_pdns_dump>"
 117                 RETVAL=2
 118                 return
 119         fi
 120
 121         if test "$NOTRUNNING" = "0"; then
 122                 echo -n "$2="
 123                 doPC show $2 ; echo $ret
 124         else
 125                 msg_not_running "PowerDNS"
 126         fi
 127 }
 128
 129 mrtg() {
 130         if [ $# -lt 2 ]; then
 131                 msg_usage "$0 {show|mrtg|cricket} <variable_name_from_pdns_dump>"
 132                 RETVAL=2
 133         fi
 134
 135         if test "$NOTRUNNING" = "0"; then
 136                 doPC show $2 ; echo $ret
 137                 if [ "$3x" != "x" ]; then
 138                         doPC show $3 ; echo $ret
 139                 else
 140                         echo 0
 141                 fi
 142                 doPC uptime ; echo $ret
 143                 echo PowerDNS daemon
 144         else
 145                 msg_not_running "PowerDNS" >&2
 146                 exit 7
 147         fi
 148 }
 149
 150 cricket() {
 151         if [ $# -lt 2 ]; then
 152                 msg_usage "$0 {show|mrtg|cricket} <variable_name_from_pdns_dump>"
 153                 RETVAL=2
 154         fi
 155
 156         if test "$NOTRUNNING" = "0"; then
 157                 doPC show $2 ; echo $ret
 158         else
 159                 msg_not_running "PowerDNS" >&2
 160                 exit 7
 161         fi
 162 }
 163
 164 RETVAL=0
 165 case "$1" in
 166   stop)
 167         stop
 168         ;;
 169   force-stop)
 170         run_cmd "Killing PowerDNS without grace" killall -v -9 pdns_server
 171         ;;
 172   start)
 173         start
 174         ;;
 175   restart)
 176         restart
 177         ;;
 178   reload|force-reload)
 179         reload
 180         ;;
 181   monitor)
 182         monitor
 183         ;;
 184   dump)
 185         dump
 186         ;;
 187   show)
 188         show "$@"
 189         ;;
 190   mrtg)
 191         mrtg "$@"
 192         ;;
 193   cricket)
 194         cricket "$@"
 195         ;;
 196   status)
 197         status pdns_server
 198         ;;
 199   *)
 200         msg_usage "$0 {start|stop|restart|reload|force-reload|status|dump|show|mrtg|cricket|monitor} [...]"
 201         exit 3
 202 esac
 203
 204 exit $RETVAL