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Viewing changes to vivid/etc/init.d/bind9

  • Committer: Dimitri John Ledkov
  • Date: 2014-11-19 12:58:41 UTC
  • Revision ID: dimitri.j.ledkov@intel.com-20141119125841-98dr37roy8dvcv3b
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vivid/etc/init.d/bind9
 
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#!/bin/sh -e
 
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### BEGIN INIT INFO
 
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# Provides:          bind9
 
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# Required-Start:    $remote_fs
 
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# Required-Stop:     $remote_fs
 
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# Should-Start:      $network $syslog
 
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# Should-Stop:       $network $syslog
 
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# Default-Start:     2 3 4 5
 
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# Default-Stop:      0 1 6
 
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# Short-Description: Start and stop bind9
 
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# Description:       bind9 is a Domain Name Server (DNS)
 
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#        which translates ip addresses to and from internet names
 
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### END INIT INFO
 
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PATH=/sbin:/bin:/usr/sbin:/usr/bin
 
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# for a chrooted server: "-u bind -t /var/lib/named"
 
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# Don't modify this line, change or create /etc/default/bind9.
 
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OPTIONS=""
 
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RESOLVCONF=no
 
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test -f /etc/default/bind9 && . /etc/default/bind9
 
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test -x /usr/sbin/rndc || exit 0
 
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. /lib/lsb/init-functions
 
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PIDFILE=/var/run/named/named.pid
 
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check_network() {
 
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    if [ -x /usr/bin/uname ] && [ "X$(/usr/bin/uname -o)" = XSolaris ]; then
 
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        IFCONFIG_OPTS="-au"
 
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    else
 
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        IFCONFIG_OPTS=""
 
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    fi
 
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    if [ -z "$(/sbin/ifconfig $IFCONFIG_OPTS)" ]; then
 
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       #log_action_msg "No networks configured."
 
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       return 1
 
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    fi
 
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    return 0
 
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}
 
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case "$1" in
 
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    start)
 
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        log_daemon_msg "Starting domain name service..." "bind9"
 
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        modprobe capability >/dev/null 2>&1 || true
 
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        # dirs under /var/run can go away on reboots.
 
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        mkdir -p /var/run/named
 
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        chmod 775 /var/run/named
 
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        chown root:bind /var/run/named >/dev/null 2>&1 || true
 
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        if [ ! -x /usr/sbin/named ]; then
 
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            log_action_msg "named binary missing - not starting"
 
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            log_end_msg 1
 
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        fi
 
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        if ! check_network; then
 
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            log_action_msg "no networks configured"
 
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            log_end_msg 1
 
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        fi
 
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        if start-stop-daemon --start --oknodo --quiet --exec /usr/sbin/named \
 
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                --pidfile ${PIDFILE} -- $OPTIONS; then
 
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            if [ "X$RESOLVCONF" != "Xno" ] && [ -x /sbin/resolvconf ] ; then
 
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                echo "nameserver 127.0.0.1" | /sbin/resolvconf -a lo.named
 
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            fi
 
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            log_end_msg 0
 
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        else
 
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            log_end_msg 1
 
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        fi
 
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    ;;
 
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    stop)
 
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        log_daemon_msg "Stopping domain name service..." "bind9"
 
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        if ! check_network; then
 
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            log_action_msg "no networks configured"
 
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            log_end_msg 1
 
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        fi
 
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        if [ "X$RESOLVCONF" != "Xno" ] && [ -x /sbin/resolvconf ] ; then
 
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            /sbin/resolvconf -d lo.named
 
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        fi
 
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        pid=$(/usr/sbin/rndc stop -p | awk '/^pid:/ {print $2}') || true
 
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        if [ -z "$pid" ]; then          # no pid found, so either not running, or error
 
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            pid=$(pgrep -f ^/usr/sbin/named) || true
 
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            start-stop-daemon --stop --oknodo --quiet --exec /usr/sbin/named \
 
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                    --pidfile ${PIDFILE} -- $OPTIONS
 
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        fi
 
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        if [ -n "$pid" ]; then
 
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            sig=0
 
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            n=1
 
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            while kill -$sig $pid 2>/dev/null; do
 
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                if [ $n -eq 1 ]; then
 
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                    echo "waiting for pid $pid to die"
 
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                fi
 
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                if [ $n -eq 11 ]; then
 
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                    echo "giving up on pid $pid with kill -0; trying -9"
 
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                    sig=9
 
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                fi
 
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                if [ $n -gt 20 ]; then
 
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                    echo "giving up on pid $pid"
 
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                    break
 
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                fi
 
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                n=$(($n+1))
 
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                sleep 1
 
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            done
 
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        fi
 
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        log_end_msg 0
 
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    ;;
 
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    reload|force-reload)
 
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        log_daemon_msg "Reloading domain name service..." "bind9"
 
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        if ! check_network; then
 
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            log_action_msg "no networks configured"
 
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            log_end_msg 1
 
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        fi
 
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        /usr/sbin/rndc reload >/dev/null && log_end_msg 0 || log_end_msg 1
 
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    ;;
 
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    restart)
 
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        if ! check_network; then
 
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            log_action_msg "no networks configured"
 
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            exit 1
 
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        fi
 
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        $0 stop
 
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        $0 start
 
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    ;;
 
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    status)
 
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        ret=0
 
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        status_of_proc -p ${PIDFILE} /usr/sbin/named bind9 2>/dev/null || ret=$?
 
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        exit $ret
 
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        ;;
 
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    *)
 
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        log_action_msg "Usage: /etc/init.d/bind9 {start|stop|reload|restart|force-reload|status}"
 
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        exit 1
 
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    ;;
 
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esac
 
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exit 0