errbit-proxy

#! /bin/sh
### BEGIN INIT INFO
# Provides:          errbit-proxy
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
### END INIT INFO

# Do NOT "set -e"

PATH=$PATH:/usr/local/bin:/usr/bin:/bin
NODE_BIN=$(which nodejs||which node)

if [ ! -x "$NODE_BIN" ]; then
  echo "Can't find executable nodejs or node in PATH=$PATH"
  exit 1
fi

# PATH should only include /usr/* if it runs after the mountnfs.sh script
PATH=/sbin:/usr/sbin:/bin:/usr/bin
DESC="Errbit-proxy"
NAME=errbit-proxy
USER=_errbit-proxy
DAEMON=$NODE_BIN
DAEMON_ARGS="/usr/share/errbit-proxy/server.js /usr/share/errbit-proxy/config.js"
PIDFILE=/var/run/$NAME/$NAME.pid
SCRIPTNAME=/etc/init.d/$NAME
CHDIR="/usr/share/errbit-proxy"

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

# Load the VERBOSE setting and other rcS variables
. /lib/init/vars.sh

# Define LSB log_* functions.
# Depend on lsb-base (>= 3.0-6) to ensure that this file is present.
. /lib/lsb/init-functions

# Create PIDDIR on runtime
if [ ! -d /var/run/$NAME ];
then
  mkdir /var/run/$NAME
  chown $USER /var/run/$NAME
fi

if [ ! -d /var/log/$NAME ];
then
  mkdir /var/log/$NAME
  chown $USER /var/log/$NAME
fi

#
# 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 -m --pidfile $PIDFILE --startas $DAEMON --chuid $USER:$USER --background --test > /dev/null \
                || return 1
        start-stop-daemon --start --quiet -m --pidfile $PIDFILE --startas $DAEMON --chuid $USER:$USER --background --chdir $CHDIR -- \
                $DAEMON_ARGS > /dev/null 2> /var/log/$NAME-stderr.log \
                || 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=0/0/KILL/5 --pidfile $PIDFILE
        RETVAL="$?"
        start-stop-daemon --stop --quiet --oknodo --retry=0/30/KILL/5 --exec $DAEMON
        [ "$?" = 2 ] && return 2
        rm -f $PIDFILE
        return "$RETVAL"
}

#
# Function that sends a SIGHUP to the daemon/service
#
do_reload() {
        #
        # If the daemon can reload its configuration without
        # restarting (for example, when it is sent a SIGHUP),
        # then implement that here.
        #
        start-stop-daemon --stop --signal 1 --quiet --pidfile $PIDFILE --name $NAME
        return 0
}

case "$1" in
  start)
        [ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME"
        do_start
        case "$?" in
                0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
                2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
        esac
        ;;
  stop)
        [ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME"
        do_stop
        case "$?" in
                0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
                2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
        esac
        ;;
  #reload|force-reload)
        #
        # If do_reload() is not implemented then leave this commented out
        # and leave 'force-reload' as an alias for 'restart'.
        #
        #log_daemon_msg "Reloading $DESC" "$NAME"
        #do_reload
        #log_end_msg $?
        #;;
  restart|force-reload)
        #
        # If the "reload" option is implemented then remove the
        # 'force-reload' alias
        #
        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)
    status_of_proc $DAEMON "$NAME"
    ;;
  *)
        echo "Usage: $SCRIPTNAME {start|stop|restart|status|force-reload}" >&2
        exit 3
        ;;
esac

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