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#!/usr/bin/env python3
#
# Copyright (C) 2019-2020 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 exit
from vyos.config import Config
from vyos.configdict import get_interface_dict
from vyos.configdict import leaf_node_changed
from vyos.configverify import verify_vrf
from vyos.configverify import verify_address
from vyos.configverify import verify_bridge_delete
from vyos.configverify import verify_source_interface
from vyos.configverify import verify_vlan_config
from vyos.configverify import verify_mtu_parent
from vyos.configverify import verify_redirect
from vyos.ifconfig import MACVLANIf
from vyos import ConfigError
from vyos import airbag
airbag.enable()
def get_config(config=None):
"""
Retrive CLI config as dictionary. Dictionary can never be empty, as at
least the interface name will be added or a deleted flag
"""
if config:
conf = config
else:
conf = Config()
base = ['interfaces', 'pseudo-ethernet']
peth = get_interface_dict(conf, base)
mode = leaf_node_changed(conf, ['mode'])
if mode: peth.update({'mode_old' : mode})
if 'source_interface' in peth:
peth['parent'] = get_interface_dict(conf, ['interfaces', 'ethernet'],
peth['source_interface'])
return peth
def verify(peth):
if 'deleted' in peth:
verify_bridge_delete(peth)
return None
verify_source_interface(peth)
verify_vrf(peth)
verify_address(peth)
verify_mtu_parent(peth, peth['parent'])
verify_redirect(peth)
# use common function to verify VLAN configuration
verify_vlan_config(peth)
return None
def generate(peth):
return None
def apply(peth):
if 'deleted' in peth:
# delete interface
MACVLANIf(peth['ifname']).remove()
return None
# Check if MACVLAN interface already exists. Parameters like the underlaying
# source-interface device or mode can not be changed on the fly and the
# interface needs to be recreated from the bottom.
if 'mode_old' in peth:
MACVLANIf(peth['ifname']).remove()
# It is safe to "re-create" the interface always, there is a sanity check
# that the interface will only be create if its non existent
p = MACVLANIf(**peth)
p.update(peth)
return None
if __name__ == '__main__':
try:
c = get_config()
verify(c)
generate(c)
apply(c)
except ConfigError as e:
print(e)
exit(1)
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