1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
#!/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
def migrate_ospf(config, path, interface):
path = path + ['ospf']
if config.exists(path):
new_base = ['protocols', 'ospf', 'interface']
config.set(new_base)
config.set_tag(new_base)
config.copy(path, new_base + [interface])
config.delete(path)
# if "ip ospf" was the only setting, we can clean out the empty
# ip node afterwards
if len(config.list_nodes(path[:-1])) == 0:
config.delete(path[:-1])
def migrate_ospfv3(config, path, interface):
path = path + ['ospfv3']
if config.exists(path):
new_base = ['protocols', 'ospfv3', 'interface']
config.set(new_base)
config.set_tag(new_base)
config.copy(path, new_base + [interface])
config.delete(path)
# if "ipv6 ospfv3" was the only setting, we can clean out the empty
# ip node afterwards
if len(config.list_nodes(path[:-1])) == 0:
config.delete(path[:-1])
def migrate_rip(config, path, interface):
path = path + ['rip']
if config.exists(path):
new_base = ['protocols', 'rip', 'interface']
config.set(new_base)
config.set_tag(new_base)
config.copy(path, new_base + [interface])
config.delete(path)
# if "ip rip" was the only setting, we can clean out the empty
# ip node afterwards
if len(config.list_nodes(path[:-1])) == 0:
config.delete(path[:-1])
def migrate_ripng(config, path, interface):
path = path + ['ripng']
if config.exists(path):
new_base = ['protocols', 'ripng', 'interface']
config.set(new_base)
config.set_tag(new_base)
config.copy(path, new_base + [interface])
config.delete(path)
# if "ipv6 ripng" was the only setting, we can clean out the empty
# ip node afterwards
if len(config.list_nodes(path[:-1])) == 0:
config.delete(path[:-1])
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)
if not config.exists(['interfaces']):
exit(0)
#
# 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_base = ['interfaces', type, interface, 'ip']
ipv6_base = ['interfaces', type, interface, 'ipv6']
migrate_rip(config, ip_base, interface)
migrate_ripng(config, ipv6_base, interface)
migrate_ospf(config, ip_base, interface)
migrate_ospfv3(config, ipv6_base, interface)
vif_path = ['interfaces', type, interface, 'vif']
if config.exists(vif_path):
for vif in config.list_nodes(vif_path):
vif_ip_base = vif_path + [vif, 'ip']
vif_ipv6_base = vif_path + [vif, 'ipv6']
ifname = f'{interface}.{vif}'
migrate_rip(config, vif_ip_base, ifname)
migrate_ripng(config, vif_ipv6_base, ifname)
migrate_ospf(config, vif_ip_base, ifname)
migrate_ospfv3(config, vif_ipv6_base, ifname)
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_ip_base = vif_s_path + [vif_s, 'ip']
vif_s_ipv6_base = vif_s_path + [vif_s, 'ipv6']
# vif-c interfaces MUST be migrated before their parent vif-s
# interface as the migrate_*() functions delete the path!
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_ip_base = vif_c_path + [vif_c, 'ip']
vif_c_ipv6_base = vif_c_path + [vif_c, 'ipv6']
ifname = f'{interface}.{vif_s}.{vif_c}'
migrate_rip(config, vif_c_ip_base, ifname)
migrate_ripng(config, vif_c_ipv6_base, ifname)
migrate_ospf(config, vif_c_ip_base, ifname)
migrate_ospfv3(config, vif_c_ipv6_base, ifname)
ifname = f'{interface}.{vif_s}'
migrate_rip(config, vif_s_ip_base, ifname)
migrate_ripng(config, vif_s_ipv6_base, ifname)
migrate_ospf(config, vif_s_ip_base, ifname)
migrate_ospfv3(config, vif_s_ipv6_base, ifname)
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)
|
