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#!/usr/bin/env python3
#
# Copyright (C) 2021 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/>.
from sys import argv
from sys import exit
from vyos.configtree import ConfigTree
if __name__ == '__main__':
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)
#
# Migrate "interface ethernet eth0 ip ospf" to "protocols ospf interface eth0"
#
for type in config.list_nodes(['interfaces']):
for interface in config.list_nodes(['interfaces', type]):
ip_ospf = ['interfaces', type, interface, 'ip', 'ospf']
if config.exists(ip_ospf):
config.set(['protocols', 'ospf', 'interface'])
config.set_tag(['protocols', 'ospf', 'interface'])
config.copy(ip_ospf, ['protocols', 'ospf', 'interface', interface])
config.delete(ip_ospf)
# if "ip ospf" was the only setting, we can clean out the empty
# ip node afterwards
if len(config.list_nodes(ip_ospf[:-1])) == 0:
config.delete(ip_ospf[:-1])
vif_path = ['interfaces', type, interface, 'vif']
if config.exists(vif_path):
for vif in config.list_nodes(vif_path):
vif_ospf_path = vif_path + [vif, 'ip', 'ospf']
if config.exists(vif_ospf_path):
config.set(['protocols', 'ospf', 'interface'])
config.set_tag(['protocols', 'ospf', 'interface'])
config.copy(vif_ospf_path, ['protocols', 'ospf', 'interface', f'{interface}.{vif}'])
config.delete(vif_ospf_path)
# if "ip ospf" was the only setting, we can clean out the empty
# ip node afterwards
if len(config.list_nodes(vif_ospf_path[:-1])) == 0:
config.delete(vif_ospf_path[:-1])
vif_s_path = ['interfaces', type, interface, 'vif-s']
if config.exists(vif_s_path):
for vif_s in config.list_nodes(vif_s_path):
vif_s_ospf_path = vif_s_path + [vif_s, 'ip', 'ospf']
if config.exists(vif_s_ospf_path):
config.set(['protocols', 'ospf', 'interface'])
config.set_tag(['protocols', 'ospf', 'interface'])
config.copy(vif_s_ospf_path, ['protocols', 'ospf', 'interface', f'{interface}.{vif_s}'])
vif_c_path = ['interfaces', type, interface, 'vif-s', vif_s, 'vif-c']
if config.exists(vif_c_path):
for vif_c in config.list_nodes(vif_c_path):
vif_c_ospf_path = vif_c_path + [vif_c, 'ip', 'ospf']
if config.exists(vif_c_ospf_path):
config.set(['protocols', 'ospf', 'interface'])
config.set_tag(['protocols', 'ospf', 'interface'])
config.copy(vif_c_ospf_path, ['protocols', 'ospf', 'interface', f'{interface}.{vif_s}.{vif_c}'])
config.delete(vif_c_ospf_path)
# if "ip ospf" was the only setting, we can clean out the empty
# ip node afterwards
if len(config.list_nodes(vif_c_ospf_path[:-1])) == 0:
config.delete(vif_c_ospf_path[:-1])
config.delete(vif_s_ospf_path)
# if "ip ospf" was the only setting, we can clean out the empty
# ip node afterwards
if len(config.list_nodes(vif_s_ospf_path[:-1])) == 0:
config.delete(vif_s_ospf_path[:-1])
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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