From 1582681f7ab7a8fc58eb9e6fc508f7c69a5120df Mon Sep 17 00:00:00 2001 From: zsdc Date: Tue, 8 Oct 2019 19:49:36 +0300 Subject: [BGP] T1490: Added migration for obsoleted 'bgp scan-time' parameter --- src/migration-scripts/quagga/3-to-4 | 63 +++++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 src/migration-scripts/quagga/3-to-4 (limited to 'src/migration-scripts/quagga') diff --git a/src/migration-scripts/quagga/3-to-4 b/src/migration-scripts/quagga/3-to-4 new file mode 100644 index 000000000..f8c87ce8c --- /dev/null +++ b/src/migration-scripts/quagga/3-to-4 @@ -0,0 +1,63 @@ +#!/usr/bin/env python3 +# +# Copyright (C) 2019 VyOS maintainers and contributors +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License version 2 or later as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . +# +# + +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(['protocols', 'bgp']): + # Nothing to do + sys.exit(0) +else: + # Check if BGP is actually configured and obtain the ASN + asn_list = config.list_nodes(['protocols', 'bgp']) + if asn_list: + # There's always just one BGP node, if any + asn = asn_list[0] + else: + # There's actually no BGP, just its empty shell + sys.exit(0) + + # Check if BGP scan-time parameter exist + scan_time_param = ['protocols', 'bgp', asn, 'parameters', 'scan-time'] + if config.exists(scan_time_param): + # Delete BGP scan-time parameter + config.delete(scan_time_param) + else: + # Do nothing + sys.exit(0) + + # Save a new configuration file + 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) -- cgit v1.2.3