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qos.py
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qos.py
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#!/usr/bin/env python3
#
# Copyright (C) 2022 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 dict_merge
from vyos.xml import defaults
from vyos import ConfigError
from vyos import airbag
airbag.enable()
def get_config(config=None):
if config:
conf = config
else:
conf = Config()
base = ['qos']
if not conf.exists(base):
return None
qos = conf.get_config_dict(base, key_mangling=('-', '_'), get_first_key=True)
if 'policy' in qos:
for policy in qos['policy']:
# CLI mangles - to _ for better Jinja2 compatibility - do we need
# Jinja2 here?
policy = policy.replace('-','_')
default_values = defaults(base + ['policy', policy])
# class is another tag node which requires individual handling
class_default_values = defaults(base + ['policy', policy, 'class'])
if 'class' in default_values:
del default_values['class']
for p_name, p_config in qos['policy'][policy].items():
qos['policy'][policy][p_name] = dict_merge(
default_values, qos['policy'][policy][p_name])
if 'class' in p_config:
for p_class in p_config['class']:
qos['policy'][policy][p_name]['class'][p_class] = dict_merge(
class_default_values, qos['policy'][policy][p_name]['class'][p_class])
import pprint
pprint.pprint(qos)
return qos
def verify(qos):
if not qos:
return None
# network policy emulator
# reorder rerquires delay to be set
raise ConfigError('123')
return None
def generate(qos):
return None
def apply(qos):
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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