###########################################################################
## Export of Script: IP Helper Change Script
## Script-Level: 3
## Script-Category: Uncategorized
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Script:
	IP Helper Change Script

Script-Description:
	A script for you to ensure that all three helper addresses are present on any interface that currently has an existing helper address.

Script-Filter:
	$Vendor eq "Cisco" and $Type in ["Router","Switch-Router"] and $sysDescr like /IOS/

################

Action:
	Find Interfaces

Action-Description:
	Find valid interfaces in order to process them for IP Helper addresses.  

Action-Commands:
	SET: $UpdateMade = "no"
	SET: $FoundHelper = "no"
	sho ip int brief

Output-Triggers:
	Process Interfaces

################
Trigger:
	Process Interfaces

Trigger-Description:
	Find valid interfaces to check for helpers - An interface that has an ip address and is "up"

Trigger-Variables:
	$IntName /(\w+\d+(\/\d{1,2}|\/\d{1,2}\/\d+|\/\d{1,2}\.\d+|\/\d{1,2}\:\d+)?|\w+-\w+\d{1,3})/

Trigger-Template:
	[[$intName]]\s+\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\s+\w+\s+\w+\s+up.+up

Trigger-Commands:{$UpdateMade eq "no"}
	sho run interface $intName

Trigger-Commands:{$UpdateMade eq "yes"}
	do sho run interface $intName

Output-Triggers:
	Process Helper

#################
Trigger:
	Process Helper
	
Trigger-Description:
	Take each valid interface above and look for an IP Helper statement in that interface.
	You can add more than one IP helper below please add below to the 2nd Trigger-Commands area
	Where you see "DEBUG:ip helper-address 10.10.10.10", DEBUG:ip helper-address 10.10.10.20"

Trigger-Variables:
	$Helper ipaddress

Trigger-Template:	
	interface .+
	.+
	ip helper-address [[$Helper]]

Trigger-Commands:{$UpdateMade eq "no"}
	DEBUG:config t

Trigger-Commands:
	DEBUG:interface $intName
	DEBUG:ip helper-address 10.10.10.10
	SET: $UpdateMade = "yes"

###################
Action:
	 and Write Mem

Action-Description:
	End config mode and write memory only if a change was made

Action-Commands:{$UpdateMade eq "yes"}
	DEBUG:end
	DEBUG:write mem