mds/net-dns/bind/files/named.init-r7

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#!/sbin/runscript
# Copyright 1999-2010 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/net-dns/bind/files/named.init-r7,v 1.6 2010/09/03 17:52:01 idl0r Exp $
opts="start stop reload restart"
depend() {
need net
use logger
after pg_autovacuum postgresql mysql ldap
provide dns
}
_mount() {
local from
local to
local opts
if [[ $# -lt 3 ]];
then
eerror "_mount(): to few arguments"
return 1
fi
from=$1
to=$2
shift 2
opts="${*}"
shift $#
if [[ -z $(grep "${to}" /proc/mounts) ]];
then
einfo "mounting ${from} to ${to}"
mount ${from} ${to} ${opts} || return 1
fi
}
_umount() {
local dir=$1
if [[ -n $(grep "${dir}" /proc/mounts) ]];
then
einfo "umount ${dir}"
umount ${dir}
fi
}
check_chroot() {
if [[ -n ${CHROOT} ]]; then
[[ ! -d ${CHROOT} ]] && return 1
[[ ! -d ${CHROOT}/dev || ! -d ${CHROOT}/etc || ! -d ${CHROOT}/var ]] && return 1
[[ ! -d ${CHROOT}/var/run || ! -d ${CHROOT}/var/log ]] && return 1
[[ ! -d ${CHROOT}/etc/bind || ! -d ${CHROOT}/var/bind ]] && return 1
[[ ! -d ${CHROOT}/var/log/named ]] && return 1
[[ ! -e ${CHROOT}/etc/localtime ]] && return 1
[[ ! -c ${CHROOT}/dev/null || ! -c ${CHROOT}/dev/zero ]] && return 1
[[ ! -c ${CHROOT}/dev/random && ! -c ${CHROOT}/dev/urandom ]] && return 1
fi
# create piddir (usually /var/run/named) if necessary
local piddir="${PIDFILE%/*}"
if [ ! -d "${piddir}" ] ; then
checkpath -q -d -o root:named -m 0770 "${piddir}" || return 1
fi
return 0
}
checkconfig() {
if [ ! -f ${CHROOT}/etc/bind/named.conf ] ; then
eerror "No ${CHROOT}/etc/bind/named.conf file exists!"
fi
# In case someone have $CPU set in /etc/conf.d/named
if [ ${CPU} ] ; then
CPU="-n ${CPU}"
fi
# as suggested in bug #107724
[ -n "${PIDFILE}" ] || PIDFILE=${CHROOT}$(\
egrep -v \
"^([[:cntrl:] ]+(#|//|/\*)|(#|//|/\*))" \
${CHROOT}/etc/bind/named.conf \
| egrep -o -m1 "pid\-file +\".+\" *;" \
| cut -d\" -f2
)
}
start() {
ebegin "Starting ${CHROOT:+chrooted }named"
if [[ -n ${CHROOT} ]];
then
check_chroot || {
eerror "Your chroot dir ${CHROOT} is inconsistent, please run 'emerge --config net-dns/bind' first"
return 1
}
einfo "Mounting chroot dirs"
_mount /etc/bind ${CHROOT}/etc/bind -o bind
_mount /var/bind ${CHROOT}/var/bind -o bind
_mount /var/log/named ${CHROOT}/var/log/named -o bind
fi
checkconfig || return 1
start-stop-daemon --start --quiet --pidfile ${PIDFILE} \
--nicelevel ${NAMED_NICELEVEL:-0} \
--exec /usr/sbin/named \
-- -u named ${CPU} ${OPTIONS} ${CHROOT:+-t} ${CHROOT}
eend $?
}
stop() {
local reported=0
ebegin "Stopping ${CHROOT:+chrooted }named"
checkconfig || return 2
if [[ -n "${RNDC_KEY}" && -f "${RNDC_KEY}" ]] ; then
rndc $SERVER -k $RNDC_KEY stop &>/dev/null
else
start-stop-daemon --stop --quiet --pidfile $PIDFILE \
--exec /usr/sbin/named
fi
if [[ -n ${CHROOT} ]];
then
einfo "Umounting chroot dirs"
# just to be sure everything gets clean
while [[ -n $(fuser ${CHROOT} 2>&1) ]]
do
if [[ ${reported} -eq 0 ]];
then
einfo "Waiting until all named processes are stopped"
reported=1
fi
sleep 1
done
_umount ${CHROOT}/etc/bind
_umount ${CHROOT}/var/log/named
_umount ${CHROOT}/var/bind
fi
eend $?
}
reload() {
checkconfig || return 3
if [ ! -f $PIDFILE ] ; then
/etc/init.d/named start &>/dev/null
exit
fi
if [ -f $RNDC_KEY ] ; then
ebegin "Reloading named.conf and zone files"
rndc $SERVER -k $RNDC_KEY reload &>/dev/null
eend $?
else
/etc/init.d/named restart &>/dev/null
fi
}