list_interfaces.py
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list_interfaces.py
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	#!/usr/bin/env python3

	import sys
	import argparse
	from vyos.ifconfig import Section


	def matching(feature):
	for section in Section.feature(feature):
	for intf in Section.interfaces(section):
	yield intf


	parser = argparse.ArgumentParser()
	group = parser.add_mutually_exclusive_group()
	group.add_argument("-t", "--type", type=str, help="List interfaces of specific type")
	group.add_argument("-b", "--broadcast", action="store_true", help="List all broadcast interfaces")
	group.add_argument("-br", "--bridgeable", action="store_true", help="List all bridgeable interfaces")
	group.add_argument("-bo", "--bondable", action="store_true", help="List all bondable interfaces")

	args = parser.parse_args()

	if args.type:
	try:
	interfaces = Section.interfaces(args.type)
	print(" ".join(interfaces))
	except ValueError as e:
	print(e, file=sys.stderr)
	print("")

	elif args.broadcast:
	print(" ".join(matching("broadcast")))

	elif args.bridgeable:
	print(" ".join(matching("bridgeable")))

	elif args.bondable:
	# we need to filter out VLAN interfaces identified by a dot (.) in their name
	print(" ".join([intf for intf in matching("bondable") if '.' not in intf]))

	else:
	print(" ".join(Section.interfaces()))