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	#!/usr/bin/env python3

	# converts 'set system syslog host <address>:<port>'
	# to 'set system syslog host <address> port <port>'

	import sys
	import re

	from vyos.configtree import ConfigTree

	if (len(sys.argv) < 1):
	print("Must specify file name!")
	sys.exit(1)

	file_name = sys.argv[1]

	with open(file_name, 'r') as f:
	config_file = f.read()

	config = ConfigTree(config_file)
	cbase = ['system', 'syslog', 'host']

	if not config.exists(cbase):
	sys.exit(0)

	for host in config.list_nodes(cbase):
	if re.search(':[0-9]{1,5}$',host):
	h = re.search('^[a-zA-Z\-0-9\.]+', host).group(0)
	p = re.sub(':', '', re.search(':[0-9]+$', host).group(0))
	config.set(cbase + [h])
	config.set(cbase + [h, 'port'], value=p)
	for fac in config.list_nodes(cbase + [host, 'facility']):
	config.set(cbase + [h, 'facility', fac])
	config.set_tag(cbase + [h, 'facility'])
	if config.exists(cbase + [host, 'facility', fac, 'protocol']):
	proto = config.return_value(cbase + [host, 'facility', fac, 'protocol'])
	config.set(cbase + [h, 'facility', fac, 'protocol'], value=proto)
	if config.exists(cbase + [host, 'facility', fac, 'level']):
	lvl = config.return_value(cbase + [host, 'facility', fac, 'level'])
	config.set(cbase + [h, 'facility', fac, 'level'], value=lvl)
	config.delete(cbase + [host])

	try:
	open(file_name,'w').write(config.to_string())
	except OSError as e:
	print("Failed to save the modified config: {}".format(e))
	sys.exit(1)