source: lliurex-statistics/trunk/fuentes/lliurex-statistics.install/etc/init.d/analytics @ 2776

#! /bin/sh
### BEGIN INIT INFO
# Provides:          analytics
# Required-Start:    auditd
# Required-Stop:     $local_fs
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Analytics Daemon
# Description:       Collects analytics information.
# X-Start-Before:
# X-Stop-After:
### END INIT INFO

# Author: M.Angel Juan <m.angel.juan@gmail.com>

PATH=/sbin:/usr/sbin:/bin:/usr/bin
DESC="analytics daemon"
NAME=analytics
DAEMON=/usr/sbin/"$NAME"
PIDFILE=/var/run/"$NAME".pid
SCRIPTNAME=/etc/init.d/"$NAME"

# Exit if the package is not installed
[ -x "$DAEMON" ] || exit 0

# Read configuration variable file if it is present
[ -r /etc/lliurex-analytics/agent.cfg ] || exit 0

# Define LSB log_* functions.
. /lib/lsb/init-functions

#
# Function that starts the daemon/service
#
do_start()
{
        # Return
        #   0 if daemon has been started
        #   1 if daemon was already running
        #   2 if daemon could not be started
        start-stop-daemon --start --quiet --pidfile "$PIDFILE" --exec "$DAEMON" -- \
                $EXTRAOPTIONS \
                || return 2
}

#
# Function that stops the daemon/service
#
do_stop()
{
        # Return
        #   0 if daemon has been stopped
        #   1 if daemon was already stopped
        #   2 if daemon could not be stopped
        #   other if a failure occurred
        start-stop-daemon --stop --quiet --retry=INT/5/KILL/2 --pidfile "$PIDFILE" --name "$NAME"
        RETVAL="$?"
        [ "$RETVAL" = 2 ] && return 2
        start-stop-daemon --stop --quiet --oknodo --retry=TERM/5/KILL/2 --exec "$DAEMON"
        [ "$?" = 2 ] && return 2
        # Many daemons don't delete their pidfiles when they exit.
        rm -f "$PIDFILE"
        return "$RETVAL"
}

#
# Function that sends a SIGHUP to the daemon/service
#
do_reload() {
        do_stop
        do_start
        return 0
}

case "$1" in
  start)
        log_daemon_msg "Starting $DESC" "$NAME"
        do_start
        case "$?" in
                0|1) log_end_msg 0 ;;
                2) log_end_msg 1 ;;
        esac
        ;;
  stop)
        log_daemon_msg "Stopping $DESC" "$NAME"
        do_stop
        case "$?" in
                0|1) log_end_msg 0 ;;
                2) log_end_msg 1 ;;
        esac
        ;;
  reload|force-reload)
        log_daemon_msg "Reloading $DESC" "$NAME"
        do_reload
        log_end_msg $?
        ;;
  restart)
        log_daemon_msg "Restarting $DESC" "$NAME"
        do_stop
        case "$?" in
          0|1)
                do_start
                case "$?" in
                        0) log_end_msg 0 ;;
                        1) log_end_msg 1 ;; # Old process is still running
                        *) log_end_msg 1 ;; # Failed to start
                esac
                ;;
          *)
                # Failed to stop
                log_end_msg 1
                ;;
        esac
        ;;
  status)
        pidofproc -p "$PIDFILE" "$DAEMON" >/dev/null
        status=$?
        if [ $status -eq 0 ]; then
                log_success_msg "$NAME is running."
        else
                log_failure_msg "$NAME is not running."
        fi
        exit $status
        ;;
  *)
        echo "Usage: $SCRIPTNAME {start|stop|restart|reload|force-reload|status}" >&2
        exit 3
        ;;
esac

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