149 lines
4.2 KiB
Bash
Executable file
149 lines
4.2 KiB
Bash
Executable file
#!/bin/bash
|
|
# $Id$
|
|
#
|
|
# chkconfig: - 91 09
|
|
# description: Starts and stops the common address redundancy protocol daemon
|
|
|
|
# Source function library.
|
|
. /etc/init.d/functions
|
|
|
|
# Source networking configuration.
|
|
. /etc/sysconfig/network
|
|
|
|
# Check that networking is up.
|
|
[ ${NETWORKING} = "no" ] && exit 0
|
|
|
|
get_files() {
|
|
FILES=`find ${CONFDIR} -maxdepth 1 -type f -name 'vip-*.conf' \
|
|
-printf "%f\n" | egrep '^vip-[[:digit:]]+\.conf$' | LC_COLLATE="C" sort`
|
|
}
|
|
|
|
prog=$"common address redundancy protocol daemon"
|
|
OUR_INITLOG_ARGS="-n ucarp -e 2 -s"
|
|
OUR_INITLOG="initlog ${OUR_INITLOG_ARGS}"
|
|
CONFDIR=/etc/ucarp
|
|
UPSCRIPT=${CONFDIR}/vip-up
|
|
DOWNSCRIPT=${CONFDIR}/vip-down
|
|
|
|
start() {
|
|
RETVAL=-1
|
|
VIP_RETVAL=0
|
|
|
|
echo -n $"Starting ${prog}: "
|
|
|
|
get_files
|
|
|
|
if [ -z "${FILES}" ]; then
|
|
failure $"no virtual addresses are configured in ${CONFDIR}:"
|
|
RETVAL=1
|
|
else
|
|
for FILE in ${FILES}; do
|
|
# Check that the file name gives us an ID between 1 and 255
|
|
ID=`echo ${FILE}| sed 's/^vip-\(.*\).conf/\1/'`
|
|
if [ ${ID} -lt 1 -o ${ID} -gt 255 ]; then
|
|
${OUR_INITLOG} $"ID out of range (1-255) for ${FILE}, skipped VIP ID ${ID}:"
|
|
continue
|
|
fi
|
|
|
|
unset PASSWORD BIND_INTERFACE BIND_ADDRESS VIP OPTIONS
|
|
# Source ucarp settings
|
|
. ${CONFDIR}/${FILE}
|
|
TMP_RETVAL=0
|
|
|
|
if [ -z "${PASSWORD}" ]; then
|
|
${OUR_INITLOG} $"no PASSWORD found in ${FILE}, skipped VIP ID ${ID}:"
|
|
TMP_RETVAL=1
|
|
fi
|
|
if [ -z "${BIND_ADDRESS}" ]; then
|
|
${OUR_INITLOG} $"no BIND_ADDRESS found in ${FILE}, skipped VIP ID ${ID}:"
|
|
TMP_RETVAL=1
|
|
fi
|
|
if [ -z "${VIP_ADDRESS}" ]; then
|
|
${OUR_INITLOG} $"no VIP_ADDRESS found in ${FILE}, skipped VIP ID ${ID}:"
|
|
TMP_RETVAL=1
|
|
fi
|
|
|
|
# If one of more of the above failed, skip the daemon launch
|
|
if [ ${TMP_RETVAL} -ne 0 ]; then
|
|
VIP_RETVAL=1
|
|
continue
|
|
fi
|
|
|
|
[ ${RETVAL} -eq -1 ] && RETVAL=0
|
|
daemon /usr/sbin/ucarp -v ${ID} -m ${ID} -p ${PASSWORD} -s ${BIND_ADDRESS} -a ${VIP_ADDRESS} -i ${BIND_INTERFACE} ${OPTIONS} -B --upscript=$UPSCRIPT --downscript=$DOWNSCRIPT >/dev/null
|
|
LAUNCH_RETVAL=$?
|
|
[ ${LAUNCH_RETVAL} -ne 0 ] && RETVAL=1
|
|
done
|
|
|
|
# failure/success or warning if launch worked with some vip errors
|
|
if [ ${RETVAL} -eq 0 -a ${VIP_RETVAL} -eq 0 ]; then
|
|
success $"all ucarp configurations were applied successfully:"
|
|
touch /var/lock/subsys/ucarp
|
|
elif [ ${RETVAL} -eq 0 -a ${VIP_RETVAL} -eq 1 ]; then
|
|
warning $"error in one or more of the ucarp configurations:"
|
|
else
|
|
failure $"error running one or more of the ucarp daemon instances:"
|
|
fi
|
|
fi
|
|
echo
|
|
}
|
|
|
|
stop() {
|
|
echo -n $"Stopping $prog: "
|
|
killproc /usr/sbin/ucarp >/dev/null
|
|
RETVAL=$?
|
|
|
|
# We unassign all UCARP-managed VIPs when stopping the service
|
|
# to avoid conflicting "leftovers".
|
|
|
|
get_files
|
|
|
|
[ ! -z "${FILES}" ] && \
|
|
for FILE in ${FILES}; do
|
|
ID=`echo ${FILE}| sed 's/^vip-\(.*\).conf/\1/'`
|
|
unset PASSWORD BIND_INTERFACE BIND_ADDRESS VIP OPTIONS
|
|
# Source ucarp settings
|
|
. ${CONFDIR}/${FILE}
|
|
$DOWNSCRIPT $BIND_INTERFACE $VIP_ADDRESS ${ID} &>/dev/null
|
|
#TMP_RETVAL=$?
|
|
#[ ${TMP_RETVAL} -ne 0 ] && VIP_RETVAL=1
|
|
done
|
|
|
|
# failure/success (no warning, too complicated to handle properly)
|
|
if [ ${RETVAL} -eq 1 ]; then
|
|
failure $"it seems like no ucarp daemon were running:"
|
|
else
|
|
success $"all ucarp daemons stopped and IP addresses unassigned:"
|
|
rm -f /var/lock/subsys/ucarp
|
|
fi
|
|
echo
|
|
}
|
|
|
|
# See how we were called.
|
|
case "$1" in
|
|
start)
|
|
start
|
|
;;
|
|
stop)
|
|
stop
|
|
;;
|
|
restart)
|
|
stop
|
|
start
|
|
;;
|
|
condrestart)
|
|
if [ -f /var/lock/subsys/ucarp ]; then
|
|
stop
|
|
start
|
|
fi
|
|
;;
|
|
status)
|
|
status /usr/sbin/ucarp
|
|
;;
|
|
*)
|
|
echo $"Usage: $0 {start|stop|restart|condrestart|status}"
|
|
exit 1
|
|
esac
|
|
|
|
exit $RETVAL
|
|
|