modules/ntp/files/ntp.init

   1 #!/bin/sh
   2
   3 ### BEGIN INIT INFO
   4 # Provides:        ntp
   5 # Required-Start:  $network $remote_fs $syslog
   6 # Required-Stop:   $network $remote_fs $syslog
   7 # Default-Start:   2 3 4 5
   8 # Default-Stop:
   9 # Short-Description: Start NTP daemon
  10 ### END INIT INFO
  11
  12 PATH=/sbin:/bin:/usr/sbin:/usr/bin
  13
  14 . /lib/lsb/init-functions
  15
  16 DAEMON=/usr/sbin/ntpd
  17 PIDFILE=/var/run/ntpd.pid
  18
  19 test -x $DAEMON || exit 5
  20
  21 if [ -r /etc/default/ntp ]; then
  22         . /etc/default/ntp
  23 fi
  24
  25 if [ -e /var/lib/ntp/ntp.conf.dhcp ]; then
  26         NTPD_OPTS="$NTPD_OPTS -c /var/lib/ntp/ntp.conf.dhcp"
  27 fi
  28
  29
  30 LOCKFILE=/var/lock/ntpdate
  31
  32 lock_ntpdate() {
  33         if [ -x /usr/bin/lockfile-create ]; then
  34                 lockfile-create $LOCKFILE
  35                 lockfile-touch $LOCKFILE &
  36                 LOCKTOUCHPID="$!"
  37         fi
  38 }
  39
  40 unlock_ntpdate() {
  41         if [ -x /usr/bin/lockfile-create ] ; then
  42                 kill $LOCKTOUCHPID
  43                 lockfile-remove $LOCKFILE
  44         fi
  45 }
  46
  47 RUNASUSER=ntp
  48 UGID=$(getent passwd $RUNASUSER | cut -f 3,4 -d:) || true
  49 if test "$(uname -s)" = "Linux"; then
  50         NTPD_OPTS="$NTPD_OPTS -u $UGID"
  51 fi
  52
  53 case $1 in
  54         start)
  55                 log_daemon_msg "Starting NTP server" "ntpd"
  56                 if [ -z "$UGID" ]; then
  57                         log_failure_msg "user \"$RUNASUSER\" does not exist"
  58                         exit 1
  59                 fi
  60                 lock_ntpdate
  61                 start-stop-daemon --start --quiet --oknodo --pidfile $PIDFILE --startas $DAEMON -- -p $PIDFILE $NTPD_OPTS
  62                 status=$?
  63                 unlock_ntpdate
  64                 log_end_msg $status
  65                 ;;
  66         stop)
  67                 log_daemon_msg "Stopping NTP server" "ntpd"
  68                 start-stop-daemon --stop --quiet --oknodo --pidfile $PIDFILE
  69                 log_end_msg $?
  70                 rm -f $PIDFILE
  71                 ;;
  72         restart|force-reload)
  73                 $0 stop && sleep 2 && $0 start
  74                 ;;
  75         try-restart)
  76                 if $0 status >/dev/null; then
  77                         $0 restart
  78                 else
  79                         exit 0
  80                 fi
  81                 ;;
  82         reload)
  83                 exit 3
  84                 ;;
  85         status)
  86                 status_of_proc $DAEMON "NTP server"
  87                 ;;
  88         *)
  89                 echo "Usage: $0 {start|stop|restart|try-restart|force-reload|status}"
  90                 exit 2
  91                 ;;
  92 esac