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/etc/init.d/nginx

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/usr/sbin/update-rc.d -f nginx defaults
chmod +x /etc/init.d/nginx
/usr/sbin/update-rc.d -f nginx remove
nginx
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#! /bin/sh
### BEGIN INIT INFO
# Provides: nginx
# Required-Start: $remote_fs $syslog
# Required-Stop: $remote_fs $syslog
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: nginx init.d dash script for Ubuntu or other *nix.
# Description: nginx init.d dash script for Ubuntu or other *nix.
### END INIT INFO
#------------------------------------------------------------------------------
# nginx - this Debian Almquist shell (dash) script, starts and stops the nginx
# daemon for Ubuntu and other *nix releases.
#
# description: Nginx is an HTTP(S) server, HTTP(S) reverse \
# proxy and IMAP/POP3 proxy server. This \
# script will manage the initiation of the \
# server and it's process state.
#
# processname: nginx
# config: /usr/local/nginx/conf/nginx.conf
# pidfile: /var/run/nginx.pid
# Provides: nginx
#
# Author: Jason Giedymin
# <jason.giedymin AT gmail.com>.
#
# Version: 2.0 02-NOV-2009 jason.giedymin AT gmail.com
# Notes: nginx init.d dash script for Ubuntu.
#
# This script's project home is:
# http://github.com/JasonGiedymin/nginx-init-ubuntu
#
#------------------------------------------------------------------------------
# MIT X11 License
#------------------------------------------------------------------------------
#
# Copyright (c) 2009 Jason Giedymin, http://jasongiedymin.com
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#------------------------------------------------------------------------------
 
#------------------------------------------------------------------------------
# Functions
#------------------------------------------------------------------------------
. /lib/lsb/init-functions
 
#------------------------------------------------------------------------------
# Consts
#------------------------------------------------------------------------------
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/nginx/sbin
DAEMON=/usr/local/nginx/sbin/nginx
 
PS="nginx"
PIDNAME="nginx" #lets you do $PS-slave
PIDFILE=$PIDNAME.pid #pid file
PIDSPATH=/tmp
 
DESCRIPTION="Nginx Server..."
 
RUNAS=root #user to run as
 
SCRIPT_OK=0 #ala error codes
SCRIPT_ERROR=1 #ala error codes
TRUE=1 #boolean
FALSE=0 #boolean
 
lockfile=/var/lock/subsys/nginx
NGINX_CONF_FILE="/usr/local/nginx/conf/nginx.conf"
 
#------------------------------------------------------------------------------
# Simple Tests
#------------------------------------------------------------------------------
 
#test if nginx is a file and executable
test -x $DAEMON || exit 0
 
# Include nginx defaults if available
if [ -f /etc/default/nginx ] ; then
. /etc/default/nginx
fi
 
#set exit condition
#set -e
 
#------------------------------------------------------------------------------
# Functions
#------------------------------------------------------------------------------
 
setFilePerms(){
if [ -f $PIDSPATH/$PIDFILE ]; then
chmod 400 $PIDSPATH/$PIDFILE
fi
}
 
configtest() {
$DAEMON -t -c $NGINX_CONF_FILE
}
 
getPSCount() {
return `pgrep -f $PS | wc -l`
}
 
isRunning() {
if [ $1 ]; then
pidof_daemon $1
PID=$?
 
if [ $PID -gt 0 ]; then
return 1
else
return 0
fi
else
pidof_daemon
PID=$?
 
if [ $PID -gt 0 ]; then
return 1
else
return 0
fi
fi
}
 
#courtesy of php-fpm
wait_for_pid () {
try=0
 
while test $try -lt 35 ; do
case "$1" in
'created')
if [ -f "$2" ] ; then
try=''
break
fi
;;
 
'removed')
if [ ! -f "$2" ] ; then
try=''
break
fi
;;
esac
 
try=`expr $try + 1`
sleep 1
done
}
 
status(){
isRunning
isAlive=$?
 
if [ "${isAlive}" -eq $TRUE ]; then
echo "$PIDNAME found running with processes: `pidof $PS`"
else
echo "$PIDNAME is NOT running."
fi
}
 
removePIDFile(){
if [ $1 ]; then
if [ -f $1 ]; then
rm -f $1
fi
else
#Do default removal
if [ -f $PIDSPATH/$PIDFILE ]; then
rm -f $PIDSPATH/$PIDFILE
fi
fi
}
 
start() {
log_daemon_msg "Starting $DESCRIPTION"
isRunning
isAlive=$?
if [ "${isAlive}" -eq $TRUE ]; then
log_end_msg $SCRIPT_ERROR
else
start-stop-daemon --start --quiet --chuid \
$RUNAS --pidfile $PIDSPATH/$PIDFILE --exec $DAEMON \
-- -c $NGINX_CONF_FILE
setFilePerms
log_end_msg $SCRIPT_OK
fi
}
 
stop() {
log_daemon_msg "Stopping $DESCRIPTION"
isRunning
isAlive=$?
if [ "${isAlive}" -eq $TRUE ]; then
start-stop-daemon --stop --quiet --pidfile $PIDSPATH/$PIDFILE
 
wait_for_pid 'removed' $PIDSPATH/$PIDFILE
 
if [ -n "$try" ] ; then
log_end_msg $SCRIPT_ERROR
else
removePIDFile
log_end_msg $SCRIPT_OK
fi
else
log_end_msg $SCRIPT_ERROR
fi
}
 
reload() {
configtest || return $?
 
log_daemon_msg "Reloading (via HUP) $DESCRIPTION"
 
isRunning
 
if [ $? -eq $TRUE ]; then
`killall -HUP $PS` #to be safe
log_end_msg $SCRIPT_OK
else
log_end_msg $SCRIPT_ERROR
fi
}
 
quietupgrade() {
log_daemon_msg "Peforming Quiet Upgrade $DESCRIPTION"
 
isRunning
isAlive=$?
if [ "${isAlive}" -eq $TRUE ]; then
kill -USR2 `cat $PIDSPATH/$PIDFILE`
kill -WINCH `cat $PIDSPATH/$PIDFILE.oldbin`
isRunning
isAlive=$?
 
if [ "${isAlive}" -eq $TRUE ]; then
kill -QUIT `cat $PIDSPATH/$PIDFILE.oldbin`
wait_for_pid 'removed' $PIDSPATH/$PIDFILE.oldbin
removePIDFile $PIDSPATH/$PIDFILE.oldbin
 
log_end_msg $SCRIPT_OK
else
log_end_msg $SCRIPT_ERROR
log_daemon_msg "ERROR! Reverting back to original $DESCRIPTION"
 
kill -HUP `cat $PIDSPATH/$PIDFILE`
kill -TERM `cat $PIDSPATH/$PIDFILE.oldbin`
kill -QUIT `cat $PIDSPATH/$PIDFILE.oldbin`
 
wait_for_pid 'removed' $PIDSPATH/$PIDFILE.oldbin
removePIDFile $PIDSPATH/$PIDFILE.oldbin
 
log_end_msg $SCRIPT_ok
fi
else
log_end_msg $SCRIPT_ERROR
fi
}
 
terminate() {
log_daemon_msg "Force terminating (via KILL) $DESCRIPTION"
PIDS=`pidof $PS` || true
 
[ -e $PIDSPATH/$PIDFILE ] && PIDS2=`cat $PIDSPATH/$PIDFILE`
 
for i in $PIDS; do
if [ "$i" = "$PIDS2" ]; then
kill $i
wait_for_pid 'removed' $PIDSPATH/$PIDFILE
removePIDFile
fi
done
 
log_end_msg $SCRIPT_OK
}
 
destroy() {
log_daemon_msg "Force terminating and may include self (via KILLALL) $DESCRIPTION"
killall $PS -q >> /dev/null 2>&1
log_end_msg $SCRIPT_OK
}
 
pidof_daemon() {
PIDS=`pidof $PS` || true
 
[ -e $PIDSPATH/$PIDFILE ] && PIDS2=`cat $PIDSPATH/$PIDFILE`
 
for i in $PIDS; do
if [ "$i" = "$PIDS2" ]; then
return 1
fi
done
 
return 0
}
 
case "$1" in
start)
start
;;
stop)
stop
;;
restart|force-reload)
stop
sleep 1
start
;;
reload)
$1
;;
status)
status
;;
configtest)
$1
;;
quietupgrade)
$1
;;
terminate)
$1
;;
destroy)
$1
;;
*)
FULLPATH=/etc/init.d/$PS
echo "Usage: $FULLPATH {start|stop|restart|force-reload|status|configtest|quietupgrade|terminate|destroy}"
echo " The 'destroy' command should only be used as a last resort."
exit 1
;;
esac
 
exit 0

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