diff options
Diffstat (limited to 'python/vyos/ifconfig/vxlan.py')
| -rw-r--r-- | python/vyos/ifconfig/vxlan.py | 80 |
1 files changed, 31 insertions, 49 deletions
diff --git a/python/vyos/ifconfig/vxlan.py b/python/vyos/ifconfig/vxlan.py index 2cff21f02..d73fb47b8 100644 --- a/python/vyos/ifconfig/vxlan.py +++ b/python/vyos/ifconfig/vxlan.py @@ -1,4 +1,4 @@ -# Copyright 2019 VyOS maintainers and contributors <maintainers@vyos.io> +# Copyright 2019-2021 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 @@ -14,7 +14,8 @@ # License along with this library. If not, see <http://www.gnu.org/licenses/>. from vyos import ConfigError -from vyos.ifconfig.interface import Interface +from vyos.ifconfig import Interface +from vyos.util import dict_search @Interface.register class VXLANIf(Interface): @@ -38,17 +39,7 @@ class VXLANIf(Interface): https://www.kernel.org/doc/Documentation/networking/vxlan.txt """ - default = { - 'type': 'vxlan', - 'group': '', - 'port': 8472, # The Linux implementation of VXLAN pre-dates - # the IANA's selection of a standard destination port - 'remote': '', - 'source_address': '', - 'source_interface': '', - 'vni': 0, - 'ttl': '16', - } + iftype = 'vxlan' definition = { **Interface.definition, **{ @@ -57,43 +48,34 @@ class VXLANIf(Interface): 'bridgeable': True, } } - options = Interface.options + ['group', 'remote', 'source_interface', - 'port', 'vni', 'source_address', 'ttl'] - - mapping = { - 'ifname': 'add', - 'vni': 'id', - 'port': 'dstport', - 'source_address': 'local', - 'source_interface': 'dev', - 'ttl': 'ttl', - } def _create(self): - cmdline = ['ifname', 'type', 'vni', 'port', 'ttl'] - - if self.config['source_address']: - cmdline.append('source_address') - - if self.config['remote']: - cmdline.append('remote') - - if self.config['group'] or self.config['source_interface']: - if self.config['group']: - cmdline.append('group') - if self.config['source_interface']: - cmdline.append('source_interface') - else: - ifname = self.config['ifname'] - raise ConfigError( - f'VXLAN "{ifname}" is missing mandatory underlay multicast' - 'group or source interface for a multicast network.') + # This table represents a mapping from VyOS internal config dict to + # arguments used by iproute2. For more information please refer to: + # - https://man7.org/linux/man-pages/man8/ip-link.8.html + mapping = { + 'source_address' : 'local', + 'source_interface' : 'dev', + 'remote' : 'remote', + 'group' : 'group', + 'parameters.ip.dont_fragment': 'df set', + 'parameters.ip.tos' : 'tos', + 'parameters.ip.ttl' : 'ttl', + 'parameters.ipv6.flowlabel' : 'flowlabel', + 'parameters.nolearning' : 'nolearning', + } - cmd = 'ip link' - for key in cmdline: - value = self.config.get(key, '') - if not value: - continue - cmd += ' {} {}'.format(self.mapping.get(key, key), value) + cmd = 'ip link add {ifname} type {type} id {vni} dstport {port}' + for vyos_key, iproute2_key in mapping.items(): + # dict_search will return an empty dict "{}" for valueless nodes like + # "parameters.nolearning" - thus we need to test the nodes existence + # by using isinstance() + tmp = dict_search(vyos_key, self.config) + if isinstance(tmp, dict): + cmd += f' {iproute2_key}' + elif tmp != None: + cmd += f' {iproute2_key} {tmp}' - self._cmd(cmd) + self._cmd(cmd.format(**self.config)) + # interface is always A/D down. It needs to be enabled explicitly + self.set_admin_state('down') |