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ifconfig_vlan.py
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ifconfig_vlan.py
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# 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 vyos.ifconfig import VLANIf
def apply_vlan_config(vlan, config):
"""
Generic function to apply a VLAN configuration from a dictionary
to a VLAN interface
"""
if vlan.__class__ != VLANIf:
raise TypeError()
# get DHCP config dictionary and update values
opt = vlan.get_dhcp_options()
if config['dhcp_client_id']:
opt['client_id'] = config['dhcp_client_id']
if config['dhcp_hostname']:
opt['hostname'] = config['dhcp_hostname']
if config['dhcp_vendor_class_id']:
opt['vendor_class_id'] = config['dhcp_vendor_class_id']
# store DHCP config dictionary - used later on when addresses are aquired
vlan.set_dhcp_options(opt)
# get DHCPv6 config dictionary and update values
opt = vlan.get_dhcpv6_options()
if config['dhcpv6_prm_only']:
opt['dhcpv6_prm_only'] = True
if config['dhcpv6_temporary']:
opt['dhcpv6_temporary'] = True
# store DHCPv6 config dictionary - used later on when addresses are aquired
vlan.set_dhcpv6_options(opt)
# 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'])
# Maximum Transmission Unit (MTU)
vlan.set_mtu(config['mtu'])
# Change VLAN interface MAC address
if config['mac']:
vlan.set_mac(config['mac'])
# enable/disable VLAN interface
if config['disable']:
vlan.set_state('down')
else:
vlan.set_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)

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