#!/bin/bash
#Standalone iLO updater script - Jason Mak 6/25/2018
#Defines the latest version of iLO
ilo2latest="2.33"
ilo4latest="2.61"
#Checks server type, only proceeds on HP servers
function server-check()
{
	ISHP=$(dmidecode -t System | grep Manufacturer | grep HP -c)
	ISDELL=$(dmidecode -t System | grep Manufacturer | grep Dell -c)
	if [ $ISDELL -eq 1 ]; then
		echo "Server is a Dell, exiting"
		server-cleanup
		exit
	fi
	if [ $ISHP -eq 1 ]; then 
		echo "Server is an HP, proceeding"
		ilogeneration=$(hponcfg | grep -i "ilo" | awk -F= '{print $3}' | awk '{print $2}')
		iloversionraw=$(hponcfg | grep -i "ilo" | awk -F= '{print $2}' | awk '{print $1}')
		iloversion=${iloversionraw//.}
		ilo-versioncheck
	fi
}

#Checks iLO generation and version, updates as necessary
function ilo-versioncheck()
{
	if [ $ilogeneration -eq "2" ]; then
		if [ $(echo $iloversion -lt ${ilo2latest//.}) ]; then 
			echo "iLO2 firmware:" $iloversionraw "latest version is:" $ilo2latest "updating..."
			wget http://172.16.99.121/iLO/ilo2_${ilo2latest//.}.bin -O /tmp/iloFW.bin
			update-ilo
			server-cleanup
		else
			echo "iLO 2 is up to date, exiting"
			server-cleanup
			exit
		fi
	fi
	
	if [ $ilogeneration -eq "4" ]; then 
		if [ $(echo $iloversion -lt ${ilo4latest//.}) ]; then 
			echo "iLO4 firmware:" $iloversionraw "latest version is:" $ilo4latest "updating..."
			wget http://172.16.99.121/iLO/ilo4_${ilo4latest//.}.bin -O /tmp/iloFW.bin
			update-ilo
			server-cleanup
		else
			echo "iLO 4 is up to date, exiting"
			server-cleanup
			exit
		fi
	fi
}

#xml file that performs the update
function update-ilo()
{
cat > /tmp/ilo_update.xml << EOF
<RIBCL VERSION="2.0">
  <LOGIN USER_LOGIN="adminname" PASSWORD="password">
    <RIB_INFO MODE="write">
      <!--    Firmware support information for next tag:             -->
      <!--    iLO 2 - 1.70 and later. For servers with TPM enabled.  -->
      <!--      iLO - None                                           -->
      <!-- Riloe II - None                                           -->
      <TPM_ENABLED VALUE="Yes"/>
      <UPDATE_RIB_FIRMWARE IMAGE_LOCATION="/tmp/iloFW.bin"/>
    </RIB_INFO>
  </LOGIN>
</RIBCL>
EOF

hponcfg -f /tmp/ilo_update.xml
}

#Clean-up
function server-cleanup()
{
	rm -vf /tmp/iloFW.bin
	rm -vf /tmp/ilo_update.xml
	rm -vf /tmp/iloUpdater.sh
}

#Control logic
main ()
{
server-check
}

main