Deployment Script

nginx

#! /bin/sh

#------------------------------------------------------------------------------
#                               Functions
#------------------------------------------------------------------------------
. /lib/lsb/init-functions

#------------------------------------------------------------------------------
#                               Consts
#------------------------------------------------------------------------------
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
DAEMON=/etc/nginx/sbin/nginx

PS="nginx"
PIDNAME="nginx"       #Lets you do $PS-Master or $PS-Slave
PIDFILE=$PIDNAME.pid                    #pid file
PIDSPATH=/etc/nginx/logs
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="/etc/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 -f 400 $PIDSPATH/$PIDFILE
        fi
}

configtest() {
  $DAEMON -t -c $NGINX_CONF_FILE
}

getPSCount() {
  return `pgrep -f $PS | wc -l`
}

isRunning(){
  pidof_daemon
  PID=$?

  if [ $PID -gt 0 ]; then
    return 1
        else
                return 0
        fi
}

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 [ -f $PIDSPATH/PIDFILE ]; then
          rm -f $PIDSPATH/$PIDFILE
        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
                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

    removePIDFile

                log_end_msg $SCRIPT_OK
        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
}

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
      removePIDFile
    fi
  done

  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
  start
        ;;
  reload)
  $1
  ;;
  status)
  status
  ;;
  configtest)
        $1
        ;;
  terminate)
  $1
  ;;
  *)
  FULLPATH=/etc/init.d/$PIDNAME
  echo "Usage: $FULLPATH {start|stop|restart|force-reload|status|configtest|terminate}"
  exit 1
  ;;
esac

exit 0

nginx.conf

worker_processes  4;

error_log  logs/error.log;

pid  logs/nginx.pid;

events {
  worker_connections  1024;
}

http {
  passenger_root /var/apps/.rbenv/versions/1.9.3-p362/lib/ruby/gems/1.9.1/gems/passenger-3.0.18;
  passenger_ruby /var/apps/.rbenv/versions/1.9.3-p362/bin/ruby;

  include       mime.types;
  default_type  application/octet-stream;

  log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
    '$status $body_bytes_sent "$http_referer" '
    '"$http_user_agent" "$http_x_forwarded_for"';

  access_log  logs/access.log  main;

  sendfile        on;
  keepalive_timeout  10;

  include sites-enabled/*;
}