mds/net-dns/bind/files/named.init-r8

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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-r8,v 1.3 2010/10/24 20:47:17 idl0r Exp $
opts="start stop reload restart"
depend() {
need net
use logger
provide dns
}
NAMED_CONF=${CHROOT}/etc/bind/named.conf
_mount() {
local from
local to
local opts
if [ "${#}" -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
return 0
}
checkconfig() {
if [ ! -f "${NAMED_CONF}" ] ; then
eerror "No ${NAMED_CONF} file exists!"
fi
named-checkconf -z -j ${CHROOT:+-t} ${CHROOT} ${NAMED_CONF/${CHROOT}} 1>/dev/null || {
eerror "named-checkconf failed! Please fix your config first."
return 1
}
# as suggested in bug #107724
[ -n "${PIDFILE}" ] || PIDFILE=${CHROOT}$(\
egrep -v \
"^([[:cntrl:] ]+(#|//|/\*)|(#|//|/\*))" \
${CHROOT}/etc/bind/named.conf \
| egrep -o -m1 "pid\-file +\".+\" *;" \
| cut -d\" -f2
)
[ -z "${PIDFILE}" ] && PIDFILE=${CHROOT}/var/run/named/named.pid
return 0
}
start() {
local piddir
ebegin "Starting ${CHROOT:+chrooted }named"
if [ -n "${CHROOT}" ]; then
check_chroot || {
eend 1
eerror "Your chroot dir ${CHROOT} is inconsistent, please run 'emerge --config net-dns/bind' first"
return 1
}
if [ "${CHROOT_NOMOUNT:-0}" -eq 0 ]; then
einfo "Mounting chroot dirs"
_mount /etc/bind ${CHROOT}/etc/bind -o bind
_mount /var/bind ${CHROOT}/var/bind -o bind
_mount /var/log/named ${CHROOT}/var/log/named -o bind
fi
fi
checkconfig || {
eend 1
return 1
}
# create piddir (usually /var/run/named) if necessary
piddir="${PIDFILE%/*}"
if [ ! -d "${piddir}" ]; then
checkpath -q -d -o root:named -m 0770 "${piddir}" || {
eend 1
return 1
}
fi
# In case someone have $CPU set in /etc/conf.d/named
if [ -n "${CPU}" ] && [ "${CPU}" -gt 0 ]; then
CPU="-n ${CPU}"
fi
start-stop-daemon --start --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 1>/dev/null
else
# -R 10, bug 335398
start-stop-daemon --stop --retry 10 --pidfile $PIDFILE \
--exec /usr/sbin/named
fi
if [ -n "${CHROOT}" ] && [ "${CHROOT_NOMOUNT:-0}" -eq 0 ]; then
einfo "Umounting chroot dirs"
# just to be sure everything gets clean
while [ -n "$(fuser ${CHROOT} 2>/dev/null)" ]; do
if [ "${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 $?
}
reload() {
local ret
# checkconf also gives us the pidfile.
checkconfig || return 3
ebegin "Reloading named.conf and zone files"
if [ -n "${RNDC_KEY}" ] && [ -f "${RNDC_KEY}" ] ; then
rndc $SERVER -k $RNDC_KEY reload 1>/dev/null
ret=$?
elif [ -n "${PIDFILE}" ]; then
# FIXME: Remove --stop and --oknodo as soon as baselayout-1 has been removed... finally...
start-stop-daemon --stop --oknodo --pidfile $PIDFILE --signal HUP --exec /usr/sbin/named
ret=$?
else
ewarn "Neither an rndc key has been specified nor a pidfile... this is"
ewarn "a fallback mode. Please check your installation!"
$RC_SERVICE restart
ret=$?
fi
eend $ret
}