Apache Config Auto-Watch via Upstart

apache-config-watcher.conf

# apache-config-watch - checks config changes and reloads apache if the configs are ok

description "Reload apache when configs have changed."
author "Michael McHugh <developer@yrucalling.me>"

start on runlevel [2345]
stop on runlevel [016]

respawn

exec /opt/CompliSpace/bin/apache-config-watcher.sh

apache-config-watcher.sh

#!/bin/bash

# DO NOT RUN THIS MANUALY
# This script is used by upstart and run as a dameon at boot time

while inotifywait -qre close_write -e modify -e move -e delete -e create /etc/apache2/sites-enabled; do
  TMP=$(mktemp)
  apache2ctl configtest &>$TMP
  cat $TMP | grep -q "Syntax OK"
  if [ $? -eq 0 ]
  then
    echo "$(date): Syntax is OK, reloading"
    service apache2 reload
  else
    echo "$(date): Syntax is BAD, fix it first!"
  fi
 # cat $TMP
  rm $TMP
done