chrony/chronyd.init
2011-02-01 18:19:32 +01:00

172 lines
3.5 KiB
Bash

#!/bin/bash
#
# chronyd <summary>
#
# chkconfig: - 58 74
# description: Client/server for the Network Time Protocol, \
# this program keeps your computer's clock accurate.
### BEGIN INIT INFO
# Provides: chronyd
# Required-Start: $network $local_fs $remote_fs
# Required-Stop:
# Should-Start: $syslog $named
# Should-Stop: $syslog
# Short-Description: NTP client/server
# Description: Client/server for the Network Time Protocol,
# this program keeps your computer's clock accurate.
### END INIT INFO
# Source function library.
. /etc/rc.d/init.d/functions
# Source networking configuration.
. /etc/sysconfig/network
exec=/usr/sbin/chronyd
prog=chronyd
config=/etc/chrony.conf
keyfile=/etc/chrony.keys
chronyc=/usr/bin/chronyc
dhclient_servers=/var/lib/dhclient/chrony.servers.*
lockfile=/var/lock/subsys/$prog
OPTIONS="-u chrony"
get_key() {
awk '/^[ \t]*'$1'\>/ { print $2; exit }' < $keyfile
}
get_commandkeyid() {
awk '/^[ \t]*commandkey\>/ { keyid=$2 } END { print keyid }' < $config
}
chrony_command() {
commandkeyid=$(get_commandkeyid)
[ -z "$commandkeyid" ] && return 1
commandkey=$(get_key $commandkeyid)
[ -z "$commandkey" ] && return 2
$chronyc <<EOF | grep -v '200 OK'
password $commandkey
$1
EOF
}
generate_commandkey() {
commandkeyid=$(get_commandkeyid)
[ -z "$commandkeyid" ] && return 1
commandkey=$(get_key $commandkeyid)
[ -z "$commandkey" ] || return 0
echo -n $"Generating chrony command key: "
commandkey=$(tr -c -d '[\041-\176]' < /dev/urandom | head -c 8)
[ -n "$commandkey" ] && echo "$commandkeyid $commandkey" >> $keyfile &&
success || failure
echo
}
add_dhclient_servers() {
command=$(cat $dhclient_servers 2> /dev/null |
while read server serverargs; do
echo "add server $server $serverargs"
done)
if [ -n "$command" ]; then
echo -n $"Adding dhclient NTP servers to chrony: "
chrony_command "$command" &> /dev/null && success || failure
echo
fi
}
start() {
[ "$NETWORKING" = "no" ] && exit 1
[ -x $exec ] || exit 5
[ -f $config ] || exit 6
generate_commandkey
echo -n $"Starting $prog: "
daemon $exec $OPTIONS
retval=$?
echo
[ $retval -eq 0 ] && touch $lockfile
[ $retval -eq 0 ] && add_dhclient_servers
return $retval
}
stop() {
echo -n $"Stopping $prog: "
killproc $prog
retval=$?
echo
[ $retval -eq 0 ] && rm -f $lockfile
return $retval
}
restart() {
stop
start
}
reload() {
restart
}
force_reload() {
restart
}
rh_status() {
status $prog
}
rh_status_q() {
rh_status >/dev/null 2>&1
}
case "$1" in
start)
rh_status_q && exit 0
$1
;;
stop)
rh_status_q || exit 0
$1
;;
restart)
$1
;;
reload)
rh_status_q || exit 7
$1
;;
force-reload)
force_reload
;;
status)
rh_status
;;
condrestart|try-restart)
rh_status_q || exit 0
restart
;;
online|offline|cyclelogs)
rh_status_q || exit 7
chrony_command $1
;;
generate-commandkey)
generate_commandkey
;;
add-dhclient-servers)
add_dhclient_servers
;;
command)
rh_status_q || exit 7
chrony_command "$2"
;;
*)
echo $"Usage: $0 {start|stop|status|restart|condrestart|try-restart|reload|force-reload|cyclelogs|online|offline|command}"
exit 2
esac
exit $?