#!/usr/bin/env python3 # Delete "set system ntp server <n> dynamic" option import sys 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) if not config.exists(['system', 'ntp']): # Nothing to do sys.exit(0) else: # Delete abandoned leaf node if found inside tag node for # "set system ntp server <n> dynamic" base = ['system', 'ntp', 'server'] for server in config.list_nodes(base): if config.exists(base + [server, 'dynamic']): config.delete(base + [server, 'dynamic']) try: with open(file_name, 'w') as f: f.write(config.to_string()) except OSError as e: print("Failed to save the modified config: {}".format(e)) sys.exit(1)