#!/bin/bash
#
# Script to detect and install proper RAID health monitoring
#

x86_64=0
#
# Check for x86_64 (Test 1)
#
if [ "`uname -i|grep x86_64`" == "x86_64" ]; then
	x86_64=1
fi

#
# Check for x86_64 (Test 2) - some OSs (ie. Gentoo) return Processor manufacturer
# 	rather than architecture with "uname -i"
#
if [ "`uname -a|grep x86_64`" != "" ]; then
	x86_64=1
fi

ware=0
#
# Check for 3Ware SATA RAID
#
if [ "`lsmod|grep 3w-xxxx`" != "" ]; then
	ware=1
fi	
if [ "`lsmod|grep 3w_xxxx`" != "" ]; then
	ware=1
fi	

megaraid=0
#
# Check for MegaRAID cards
#
if [ "`lsmod|grep -w megaraid`" != "" ] || [ "`lsmod|grep -w megaraid_mbox`" != "" ]; then
	megaraid=1
fi


#
# 3Ware Install
#
if [ $ware == 1  ]; then
	echo "3Ware Hardware RAID Device Detected, Installing 3Ware Scripts"
	mkdir /home/temp
	cd /home/temp
	rm -f tw_cli* > /dev/null 2>&1
	if [ $x86_64 == 1  ]; then
		/usr/bin/wget http://layer3.example.com/scripts/dsinstall/raid/tw_cli-linux-x86_64-9.3.0.3.tgz
		tar xzf tw_cli-linux-x86_64-9.3.0.3.tgz
		mv -f tw_cli /usr/local/bin/tw_cli
		chmod 755 /usr/local/bin/tw_cli
	else	
		/usr/bin/wget http://layer3.example.com/scripts/dsinstall/raid/tw_cli-linux-x86-9.3.0.3.tgz
		tar xzf tw_cli-linux-x86-9.3.0.3.tgz
		chmod 755 tw_cli
		cp -f tw_cli /usr/local/bin/
	fi
	/usr/bin/wget http://layer3.example.com/scripts/dsinstall/raid/3warecheck.sh
	chmod 755 3warecheck.sh
	cp -f 3warecheck.sh /usr/local/bin
	echo "0,30 * * * * /usr/local/bin/3warecheck.sh > /dev/null 2>&1 " >> /var/spool/cron/root
	/etc/init.d/crond restart
fi

#
# MegaRAID Install (same binary works on 32/64 bit)
#
if [ $megaraid  == 1 ]; then
        echo "Megaraid Hardware RAID Device Detected, Installing Megaraid Scripts"
        mkdir /home/temp
        cd /home/temp
        /usr/bin/wget http://layer3.example.com/scripts/dsinstall/raid/megarc.bin
		  chmod 755 megarc.bin
		  cp -f megarc.bin /usr/local/bin/
        /usr/bin/wget http://layer3.example.com/scripts/dsinstall/raid/checkmegaraid.sh
        /usr/bin/wget http://layer3.example.com/scripts/dsinstall/raid/megarc
        chmod 755 megarc
        chmod 755 checkmegaraid.sh
        cp -f megarc /usr/local/bin/
        cp -f checkmegaraid.sh /usr/local/bin
        echo "0,30 * * * * /usr/local/bin/checkmegaraid.sh > /dev/null 2>&1 " >> /var/spool/cron/root
        /etc/init.d/crond restart
fi

#
# MegaRAID SAS
#
if [ "`lsmod | grep megaraid_sas`" != "" ]; then
	echo "Megaraid SAS device detected, installing SAS packages"
	wget -P /home/temp http://layer3.example.com/scripts/dsinstall/raid/MegaCli-1.01.39-0.i386.rpm
	rpm -ivh /home/temp/MegaCli-1.01.39-0.i386.rpm
	/usr/bin/wget -P /usr/local/bin/ http://layer3.example.com/scripts/dsinstall/raid/sascheck.sh
	chmod +x /usr/local/bin/sascheck.sh
	echo "0,30 * * * * /usr/local/bin/sascheck.sh > /dev/null 2>&1" >> /var/spool/cron/root
	/etc/init.d/crond restart
fi	

#
# Software RAID Check/Install
#
if [ "`mount|grep /dev/md`" != "" ]; then
        echo "Software RAID Device Detected, Installing MDADM"
        /usr/bin/yum -y install mdadm
        echo "MAILADDR support@example.com" >> /etc/mdadm.conf
        /sbin/chkconfig --add mdmonitor
        /sbin/chkconfig --level 345 mdmonitor on
        /etc/init.d/mdmonitor restart
fi