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|
#! /bin/bash
#
# This is special script for start,stop,restart of quagga daemons
#
progname=$0
usage() {
echo "Usage: $progname {start|stop|restart} {bgpd|ospfd|ripd|ripngd}"
exit 1
}
if [ $# -lt 1 ]; then
usage
fi
if [ $EUID -ne 0 ]; then
echo "must be root!"
exit 1
fi
pid_dir=/var/run/vyatta/quagga
log_dir=/var/log/vyatta/quagga
start() {
local daemon=$1
local exe_file=/usr/sbin/vyatta-$daemon
if [ ! -x $exe_file ]; then
echo "Unknown daemon $daemon"
exit 1
fi
local -a args=( -d -P 0 -i ${pid_dir}/${daemon}.pid )
case $daemon in
zebra) args+=( -l -S -s 1048576 ) ;;
watchquagga)
args=( -dz -p ${pid_dir}/${daemon}.pid );
local -a daemons=(`/opt/vyatta/bin/vyatta-show-protocols configured`)
if [ ${#daemons} -eq 0 ]
then
# Only zebra: mode 1 simple restart
args+=( -R "$0 zebra restart" )
else
# Many daemons: phased restart
args+=(-A -r "$0 restart \%s" -s "$0 start \%s" -k "$0 stop \%s" );
fi
args+=( zebra $daemons )
;;
esac
start-stop-daemon --start --quiet \
--chdir $log_dir --exec $exe_file \
-- "${args[@]}"
}
stop() {
local daemon=$1
local exe_file=/usr/sbin/vyatta-$daemon
start-stop-daemon --stop --quiet --oknodo --retry 2 \
--exec $exe_file
rm -f $pid_dir/${daemon}.pid
}
vyatta_cfg=/opt/vyatta/config/active
reload_config() {
local daemon=$1
local proto=${daemon/%d/}
local path=$vyatta_cfg/protocols/$proto
# No point in reloading if that portion of config doesn't exist
[ -d $path ] || return;
# Begin reloading transaction
/opt/vyatta/sbin/vyatta-cfg-cmd-wrapper begin || exit 1
# In case of error undo
trap "/opt/vyatta/sbin/vyatta-cfg-cmd-wrapper end" EXIT HUP INT QUIT TERM
# Save current configuration
tmp=/tmp/${daemon}-restart.$$
/opt/vyatta/sbin/vyatta-save-config.pl $tmp || exit 1
# Erase portion of active configuration for that protocol
rm -fr $path
# special case for interface configuration
case $proto in
rip|ospf)
find $vyatta_cfg/interfaces -type d -name $daemon -exec rm -fr '{}' \; ;;
esac
# Reload causing configuration to activate - implies commit
/opt/vyatta/sbin/vyatta-load-config.pl $tmp || exit 1
# remove tmp file if successful
rm $tmp
trap "" EXIT HUP INT QUIT TERM
}
case "$1" in
start) start $2;;
stop) stop $2;;
update)
deleted=`/opt/vyatta/bin/vyatta-show-protocols deleted`
added=`/opt/vyatta/bin/vyatta-show-protocols added`
# nothing lost, nothing gained
[ -z "$deleted" -a -z "$added" ] && exit 0
stop watchquagga
for daemon in $deleted
do stop ${daemon}
done
start watchquagga
;;
restart)
# Restart single daemon
stop $2
start $2
reload_config $2
;;
*)
usage;;
esac
|
