vyos-config-to-json
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vyos-config-to-json
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	#!/usr/bin/python3

	import sys
	import json

	from signal import signal, SIGPIPE, SIG_DFL
	from vyos.configtree import ConfigTree

	signal(SIGPIPE,SIG_DFL)

	config_string = None
	if (len(sys.argv) == 1):
	# If no argument given, act as a pipe
	config_string = sys.stdin.read()
	else:
	file_name = sys.argv[1]
	try:
	with open(file_name, 'r') as f:
	config_string = f.read()
	except OSError as e:
	print("Could not read config file {0}: {1}".format(file_name, e), file=sys.stderr)

	# This script is usually called with the output of "cli-shell-api showCfg", which does not
	# escape backslashes. "ConfigTree()" expects escaped backslashes when parsing a config
	# string (and also prints them itself). Therefore this script would fail.
	# Manually escape backslashes here to handle backslashes in any configuration strings
	# properly. The alternative would be to modify the output of "cli-shell-api showCfg",
	# but that may be break other things who rely on that specific output.
	config_string = config_string.replace("\\", "\\\\")

	try:
	config = ConfigTree(config_string)
	json_str = config.to_json()
	# Pretty print
	json_str = json.dumps(json.loads(json_str), indent=4, sort_keys=True)
	except ValueError as e:
	print("Could not parse the config file: {0}".format(e), file=sys.stderr)
	sys.exit(1)

	print(json_str)