#!/bin/bash

# Author: Steve Barnes (steve@echo.id.au)

# Filename: 1_lamp_check.sh

# Version: 0.1

# Last Updated: Saturday, 30 April 2011 2:23 PM AEST

# Description: A simple Bash script to start LAMP daemons (httpd, mysqld), and confirm PHP is working.

readonly DAEMONS=( httpd mysqld )

readonly SERVICE=/sbin/service

readonly PHP_BIN=/usr/bin/php

readonly PHP_CHECK=/tmp/check.php

# Make sure we cleanup after ourselves.

trap "/bin/rm -f $PHP_CHECK" EXIT

t_Log "Running $0 - starting LAMP daemon startup test"

# Iterate through our daemons, start each and check for the presence of each process

for D in "${DAEMONS[@]}"

do

	t_Log "Attempting startup of '$D'"

	$SERVICE $D start &>/dev/null

	RETVAL=$?

	if [ $RETVAL -ne 0 ]; then

		t_Log "FAIL: service startup for '$D' failed ($RETVAL)"

		exit $FAIL

	fi

	# See if our process exists

	PIDS=$(pidof $D)

	if [ -z "$PIDS" ]; then

		t_Log "FAIL: couldn't find '$D' in the process list."

		exit $FAIL

	fi

	echo "OK"

done

# Finally, a basic check to see if PHP is working correctly.

t_Log "Performing php script check..."

cat <<EOL > $PHP_CHECK

return phpinfo();

?>

EOL

RETVAL=$PHP_BIN $PHP_CHECK &>/dev/null

if [ $RETVAL -ne 0 ]; then

	t_Log "FAIL: php_info() check failed ($RETVAL)"

	exit $FAIL

fi