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#!/usr/bin/env python3
#
# Copyright (C) 2020 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 <http://www.gnu.org/licenses/>.
# - remove primary/secondary identifier from nameserver
# - Unifi RADIUS configuration by placing it all under "authentication radius" node
import os
import sys
from sys import argv, exit
from vyos.configtree import ConfigTree
if (len(argv) < 1):
print("Must specify file name!")
exit(1)
file_name = argv[1]
with open(file_name, 'r') as f:
config_file = f.read()
config = ConfigTree(config_file)
base = ['service', 'ipoe-server']
if not config.exists(base):
# Nothing to do
exit(0)
else:
# Migrate IPv4 DNS servers
dns_base = base + ['dns-servers']
if config.exists(dns_base):
for server in ['server-1', 'server-2']:
if config.exists(dns_base + [server]):
dns = config.return_value(dns_base + [server])
config.set(base + ['name-server'], value=dns, replace=False)
config.delete(dns_base)
# Migrate IPv6 DNS servers
dns_base = base + ['dnsv6-servers']
if config.exists(dns_base):
for server in ['server-1', 'server-2', 'server-3']:
if config.exists(dns_base + [server]):
dns = config.return_value(dns_base + [server])
config.set(base + ['name-server'], value=dns, replace=False)
config.delete(dns_base)
# Migrate radius-settings node to RADIUS and use this as base for the
# later migration of the RADIUS servers - this will save a lot of code
radius_settings = base + ['authentication', 'radius-settings']
if config.exists(radius_settings):
config.rename(radius_settings, 'radius')
# Migrate RADIUS dynamic author / change of authorisation server
dae_old = base + ['authentication', 'radius', 'dae-server']
if config.exists(dae_old):
config.rename(dae_old, 'dynamic-author')
dae_new = base + ['authentication', 'radius', 'dynamic-author']
if config.exists(dae_new + ['ip-address']):
config.rename(dae_new + ['ip-address'], 'server')
if config.exists(dae_new + ['secret']):
config.rename(dae_new + ['secret'], 'key')
# Migrate RADIUS server
radius_server = base + ['authentication', 'radius-server']
if config.exists(radius_server):
new_base = base + ['authentication', 'radius', 'server']
config.set(new_base)
config.set_tag(new_base)
for server in config.list_nodes(radius_server):
old_base = radius_server + [server]
config.copy(old_base, new_base + [server])
# migrate key
if config.exists(new_base + [server, 'secret']):
config.rename(new_base + [server, 'secret'], 'key')
# remove old req-limit node
if config.exists(new_base + [server, 'req-limit']):
config.delete(new_base + [server, 'req-limit'])
config.delete(radius_server)
# Migrate IPv6 prefixes
ipv6_base = base + ['client-ipv6-pool']
if config.exists(ipv6_base + ['prefix']):
prefix_old = config.return_values(ipv6_base + ['prefix'])
# delete old prefix CLI nodes
config.delete(ipv6_base + ['prefix'])
# create ned prefix tag node
config.set(ipv6_base + ['prefix'])
config.set_tag(ipv6_base + ['prefix'])
for p in prefix_old:
prefix = p.split(',')[0]
mask = p.split(',')[1]
config.set(ipv6_base + ['prefix', prefix, 'mask'], value=mask)
if config.exists(ipv6_base + ['delegate-prefix']):
prefix_old = config.return_values(ipv6_base + ['delegate-prefix'])
# delete old delegate prefix CLI nodes
config.delete(ipv6_base + ['delegate-prefix'])
# create ned delegation tag node
config.set(ipv6_base + ['delegate'])
config.set_tag(ipv6_base + ['delegate'])
for p in prefix_old:
prefix = p.split(',')[0]
mask = p.split(',')[1]
config.set(ipv6_base + ['delegate', prefix, 'delegation-prefix'], value=mask)
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))
exit(1)
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