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startup.sh
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startup.sh
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#!/bin/sh
##3.5...10...15...20...25...30...35...40...45...50...55...60...65...70...75...80
##
## Debian / Linux / Ubuntu / LSB
## Startup script for Express / Node.js application with the forever module
##
##
## A modification of "init.d.lsb.ex" by Nicolas Thouvenin
##
##
## This is free software; you may redistribute it and/or modify
## it under the terms of the GNU General Public License as
## published by the Free Software Foundation; either version 2,
## or (at your option) any later version.
##
## This is distributed in the hope that it will be useful, but
## WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
##
## You should have received a copy of the GNU General Public License with
## the Debian operating system, in /usr/share/common-licenses/GPL; if
## not, write to the Free Software Foundation, Inc., 59 Temple Place,
## Suite 330, Boston, MA 02111-1307 USA
##
##
################################################################################
################################################################################
## ##
# APPLICATION section #
## ##
################################################################################
################################################################################
# !!!
# !!! If you do not want to change the variables below.
# !!! You must, first, rename the script with the name of the directory created
# !!! by "express" and add the suffix ".sh"
# !!! Second, you must place this script right next to the directory created
# !!! by "express"
# !!!
# !!! For example:
# !!! /tmp/foo # Created by the command "express /tmp/foo"
# !!! /tmp/foo.sh # This script
# !!!
APP='/home/root/Gridlock/app.js'
export NODE_ENV=${NODE_ENV:="production"}
################################################################################
################################################################################
## ##
# PATHs section #
## ##
################################################################################
################################################################################
export PATH=$HOME/local/bin:${PATH:=}
export MANPATH=$HOME/local/man:${MANPATH:=}
export LD_LIBRARY_PATH=$HOME/local/lib:${LD_LIBRARY_PATH:=}
################################################################################
################################################################################
## ##
# FOREVER section #
## ##
################################################################################
################################################################################
running() {
forever list 2>/dev/null | grep ${APP} 2>&1 >/dev/null
return $?
}
start_server() {
forever start ${APP} 2>&1 >/dev/null
return $?
}
stop_server() {
forever stop ${APP} 2>&1 >/dev/null
return $?
}
################################################################################
################################################################################
## ##
# GENERIC section #
## ##
################################################################################
################################################################################
if [ -f /lib/lsb/init-functions ]
then
. /lib/lsb/init-functions
else
# int log_begin_message (char *message)
log_begin_msg () {
if [ -z "$1" ]; then
return 1
fi
echo " * $@"
}
# int log_end_message (int exitstatus)
log_end_msg () {
# If no arguments were passed, return
[ -z "$1" ] && return 1
# Only do the fancy stuff if we have an appropriate terminal
# and if /usr is already mounted
TPUT=/usr/bin/tput
EXPR=/usr/bin/expr
if [ -x $TPUT ] && [ -x $EXPR ] && $TPUT hpa 60 >/dev/null 2>&1; then
COLS=`$TPUT cols`
if [ -n "$COLS" ]; then
COL=`$EXPR $COLS - 7`
else
COL=73
fi
UP=`$TPUT cuu1`
END=`$TPUT hpa $COL`
START=`$TPUT hpa 0`
RED=`$TPUT setaf 1`
NORMAL=`$TPUT op`
if [ $1 -eq 0 ]; then
echo "$UP$END[ ok ]"
else
echo -e "$UP$START $RED*$NORMAL$END[${RED}fail${NORMAL}]"
fi
else
if [ $1 -eq 0 ]; then
echo " ...done."
else
echo " ...fail!"
fi
fi
return $1
}
log_warning_msg () {
if log_use_fancy_output; then
YELLOW=`$TPUT setaf 3`
NORMAL=`$TPUT op`
echo "$YELLOW*$NORMAL $@"
else
echo "$@"
fi
}
fi
DIETIME=10 # Time to wait for the server to die, in seconds
# If this value is set too low you might not
# let some servers to die gracefully and
# 'restart' will not work
STARTTIME=2 # Time to wait for the server to start, in seconds
# If this value is set each time the server is
# started (on start or restart) the script will
# stall to try to determine if it is running
# If it is not set and the server takes time
# to setup a pid file the log message might
# be a false positive (says it did not start
# when it actually did)
case "$1" in
start)
log_daemon_msg "Starting $DESC " "$NAME"
# Check if it's running first
if running ; then
log_progress_msg "apparently already running"
log_end_msg 0
exit 0
fi
if start_server ; then
# NOTE: Some servers might die some time after they start,
# this code will detect this issue if STARTTIME is set
# to a reasonable value
[ -n "$STARTTIME" ] && sleep $STARTTIME # Wait some time
if running ; then
# It's ok, the server started and is running
log_end_msg 0
else
# It is not running after we did start
log_end_msg 1
fi
else
# Either we could not start it
log_end_msg 1
fi
;;
stop)
log_daemon_msg "Stopping $DESC" "$NAME"
if running ; then
# Only stop the server if we see it running
errcode=0
stop_server || errcode=$?
log_end_msg $errcode
else
# If it's not running don't do anything
log_progress_msg "apparently not running"
log_end_msg 0
exit 0
fi
;;
restart)
log_daemon_msg "Restarting $DESC" "$NAME"
errcode=0
stop_server || errcode=$?
# Wait some sensible amount, some server need this
[ -n "$DIETIME" ] && sleep $DIETIME
start_server || errcode=$?
[ -n "$STARTTIME" ] && sleep $STARTTIME
running || errcode=$?
log_end_msg $errcode
;;
status)
log_daemon_msg "Checking status of $DESC" "$NAME"
if running ; then
log_progress_msg "running"
log_end_msg 0
else
log_progress_msg "apparently not running"
log_end_msg 1
exit 1
fi
;;
*)
echo "Usage: ${0} {start|stop|status|restart}"
exit 1
;;
esac
exit 0