Contents

#!/usr/bin/env ruby
$:.unshift File.join(File.expand_path(File.dirname(__FILE__)).untaint, '/..')

require 'netutils'

################################################################################
def usage
	progname = File.basename($0)
	STDERR.print "\
Usage: ruby #{progname} [-h] [-d] <IP address>
Options:
	-d:	dry run (do not shut down a port, just locate a host only)
	-h:	output this help message.
Example:
	#{progname} 192.168.0.1
"
        exit
end

case ARGV.size
when 1
	usage if ARGV[0] !~ /^[0-9\.]+$/
when 2
	usage if ARGV.shift != '-d'
	dry = true
else
	usage
end
usage if ARGV.size != 1

ia = ARGV[0]

swname = swia = xia = ma = 'unknown'
begin
	log "locate directly connected router for #{ia}... "
	sw, xia = router_locate(ia)
	swname = sw.name
	swia = sw.ia
	if ia == xia
		log "\t\"#{sw.name}\" (#{sw.ia})"
	else
		log "\t\"department router\" (#{xia})"
	end

	log_without_newline "resolving MAC address for #{xia}... "
	ma, vrf, interface = sw.macaddr_resolve(xia)
	log "found"
	log "\t#{xia} #{ma} on VRF \"#{vrf.name}\" #{interface}"

	vlan = interface_name_vlan_id(interface)
	log_without_newline "setting to \"#{sw.name}\" (#{sw.ia})\n"

	if dry
		log 'skip (due to -d, dry run, option)'
		exit 0
	else
		sw.configure

		for vid in vlans_by_switch_name(swname, vlan) do
			cmd = "mac-address-table static #{ma} vlan #{vid} drop"
			log_without_newline "\t#{cmd}"
			sw.cmd(cmd)
		end

		sw.unconfigure
		log 'done'

		s = File.join(File.dirname(__FILE__), 'mac-no-drop.rb')
		s = File.expand_path(s)
		log "please run below command on recovery:\n"
		log "\t#{s} #{sw.name} #{sw.ia} #{ma} #{vlan}\n"
	end
	exitcode = 0
rescue => e
	r = ' FAILED'
	log "\n#{r}: #{e.to_s}"
	log "ERROR: Cannot MAC DROP #{xia} (#{ma}) on #{swname} #{swia} for " +
	    "#{ia}"
	exitcode = 1
end

mail "MAC DROP#{r}: #{swname} (#{swia}) for #{xia} (#{ma})", log_buffer

exit exitcode

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
netutils-0.1.2	bin/mac-drop
netutils-0.1.1	bin/mac-drop