blob: 079118df656b74832e8ec2d9c44ba37e6a53353b (
plain)
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
148
149
150
151
152
153
154
|
# Copyright 2019-2020 VyOS maintainers and contributors <maintainers@vyos.io>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library. If not, see <http://www.gnu.org/licenses/>.
from netifaces import interfaces
from vyos import ConfigError
def apply_vlan_config(vlan, config):
"""
Generic function to apply a VLAN configuration from a dictionary
to a VLAN interface
"""
if not vlan.definition['vlan']:
raise TypeError()
if config['dhcp_client_id']:
vlan.dhcp.v4.options['client_id'] = config['dhcp_client_id']
if config['dhcp_hostname']:
vlan.dhcp.v4.options['hostname'] = config['dhcp_hostname']
if config['dhcp_vendor_class_id']:
vlan.dhcp.v4.options['vendor_class_id'] = config['dhcp_vendor_class_id']
if config['dhcpv6_prm_only']:
vlan.dhcp.v6.options['dhcpv6_prm_only'] = True
if config['dhcpv6_temporary']:
vlan.dhcp.v6.options['dhcpv6_temporary'] = True
# update interface description used e.g. within SNMP
vlan.set_alias(config['description'])
# ignore link state changes
vlan.set_link_detect(config['disable_link_detect'])
# configure ARP filter configuration
vlan.set_arp_filter(config['ip_disable_arp_filter'])
# configure ARP accept
vlan.set_arp_accept(config['ip_enable_arp_accept'])
# configure ARP announce
vlan.set_arp_announce(config['ip_enable_arp_announce'])
# configure ARP ignore
vlan.set_arp_ignore(config['ip_enable_arp_ignore'])
# configure Proxy ARP
vlan.set_proxy_arp(config['ip_proxy_arp'])
# IPv6 address autoconfiguration
vlan.set_ipv6_autoconf(config['ipv6_autoconf'])
# IPv6 forwarding
vlan.set_ipv6_forwarding(config['ipv6_forwarding'])
# IPv6 Duplicate Address Detection (DAD) tries
vlan.set_ipv6_dad_messages(config['ipv6_dup_addr_detect'])
# Maximum Transmission Unit (MTU)
vlan.set_mtu(config['mtu'])
# assign/remove VRF
vlan.set_vrf(config['vrf'])
# Delete old IPv6 EUI64 addresses before changing MAC
for addr in config['ipv6_eui64_prefix_remove']:
vlan.del_ipv6_eui64_address(addr)
# Change VLAN interface MAC address
if config['mac']:
vlan.set_mac(config['mac'])
# Add IPv6 EUI-based addresses
for addr in config['ipv6_eui64_prefix']:
vlan.add_ipv6_eui64_address(addr)
# enable/disable VLAN interface
if config['disable']:
vlan.set_admin_state('down')
else:
vlan.set_admin_state('up')
# Configure interface address(es)
# - not longer required addresses get removed first
# - newly addresses will be added second
for addr in config['address_remove']:
vlan.del_addr(addr)
for addr in config['address']:
vlan.add_addr(addr)
def verify_vlan_config(config):
"""
Generic function to verify VLAN config consistency. Instead of re-
implementing this function in multiple places use single source \o/
"""
for vif in config['vif']:
# DHCPv6 parameters-only and temporary address are mutually exclusive
if vif['dhcpv6_prm_only'] and vif['dhcpv6_temporary']:
raise ConfigError('DHCPv6 temporary and parameters-only options are mutually exclusive!')
if vif['vrf']:
if vif['vrf'] not in interfaces():
raise ConfigError(f'VRF "{vif["vrf"]}" does not exist')
if vif['is_bridge_member']:
raise ConfigError((
f'vif {vif["intf"]} cannot be member of VRF {vif["vrf"]} '
f'and bridge {vif["is_bridge_member"]} at the same time!'))
# e.g. wireless interface has no vif_s support
# thus we bail out eraly.
if 'vif_s' not in config.keys():
return
for vif_s in config['vif_s']:
for vif in config['vif']:
if vif['id'] == vif_s['id']:
raise ConfigError('Can not use identical ID on vif and vif-s interface')
# DHCPv6 parameters-only and temporary address are mutually exclusive
if vif_s['dhcpv6_prm_only'] and vif_s['dhcpv6_temporary']:
raise ConfigError('DHCPv6 temporary and parameters-only options are mutually exclusive!')
if vif_s['vrf']:
if vif_s['vrf'] not in interfaces():
raise ConfigError(f'VRF "{vif_s["vrf"]}" does not exist')
if vif_s['is_bridge_member']:
raise ConfigError((
f'vif-s {vif_s["intf"]} cannot be member of VRF {vif_s["vrf"]} '
f'and bridge {vif_s["is_bridge_member"]} at the same time!'))
for vif_c in vif_s['vif_c']:
# DHCPv6 parameters-only and temporary address are mutually exclusive
if vif_c['dhcpv6_prm_only'] and vif_c['dhcpv6_temporary']:
raise ConfigError('DHCPv6 temporary and parameters-only options are mutually exclusive!')
if vif_c['vrf']:
if vif_c['vrf'] not in interfaces():
raise ConfigError(f'VRF "{vif_c["vrf"]}" does not exist')
if vif_c['is_bridge_member']:
raise ConfigError((
f'vif-c {vif_c["intf"]} cannot be member of VRF {vif_c["vrf"]} '
f'and bridge {vif_c["is_bridge_member"]} at the same time!'))
|
