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#!/usr/bin/env python3
#
# Copyright (C) 2019-2021 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/>.
import sys
import os
import json
from time import sleep
from copy import deepcopy
import vyos.defaults
from vyos.config import Config
from vyos.template import render
from vyos.util import cmd
from vyos.util import call
from vyos import ConfigError
from vyos import airbag
airbag.enable()
api_conf_file = '/etc/vyos/http-api.conf'
systemd_service = '/run/systemd/system/vyos-http-api.service'
vyos_conf_scripts_dir=vyos.defaults.directories['conf_mode']
def get_config(config=None):
http_api = deepcopy(vyos.defaults.api_data)
x = http_api.get('api_keys')
if not x:
default_key = None
else:
default_key = x[0]
keys_added = False
if config:
conf = config
else:
conf = Config()
base = ['service', 'https', 'api']
if not conf.exists(base):
return None
# Do we run inside a VRF context?
vrf_path = ['service', 'https', 'vrf']
if conf.exists(vrf_path):
http_api['vrf'] = conf.return_value(vrf_path)
conf.set_level('service https api')
if conf.exists('strict'):
http_api['strict'] = True
if conf.exists('debug'):
http_api['debug'] = True
# this node is not available by CLI by default, and is reserved for
# the graphql tools. One can enable it for testing, with the warning
# that this will open an unauthenticated server. To do so
# mkdir /opt/vyatta/share/vyatta-cfg/templates/service/https/api/gql
# touch /opt/vyatta/share/vyatta-cfg/templates/service/https/api/gql/node.def
# and configure; editing the config alone is insufficient.
if conf.exists('gql'):
http_api['gql'] = True
if conf.exists('socket'):
http_api['socket'] = True
if conf.exists('port'):
port = conf.return_value('port')
http_api['port'] = port
if conf.exists('cors'):
http_api['cors'] = {}
if conf.exists('cors allow-origin'):
origins = conf.return_values('cors allow-origin')
http_api['cors']['origins'] = origins[:]
if conf.exists('keys'):
for name in conf.list_nodes('keys id'):
if conf.exists('keys id {0} key'.format(name)):
key = conf.return_value('keys id {0} key'.format(name))
new_key = { 'id': name, 'key': key }
http_api['api_keys'].append(new_key)
else:
raise ConfigError(f'Missing HTTPS API key string for key id "{name}"')
return http_api
def verify(http_api):
# Verify API server settings, if present
keys = http_api['api_keys']
if not keys:
raise ConfigError('At least one HTTPS API key is required')
return None
def generate(http_api):
if http_api is None:
if os.path.exists(systemd_service):
os.unlink(systemd_service)
return None
if not os.path.exists('/etc/vyos'):
os.mkdir('/etc/vyos')
with open(api_conf_file, 'w') as f:
json.dump(http_api, f, indent=2)
render(systemd_service, 'https/vyos-http-api.service.tmpl', http_api)
return None
def apply(http_api):
# Reload systemd manager configuration
call('systemctl daemon-reload')
service_name = 'vyos-http-api.service'
if http_api is not None:
call(f'systemctl restart {service_name}')
else:
call(f'systemctl stop {service_name}')
# Let uvicorn settle before restarting Nginx
sleep(1)
cmd(f'{vyos_conf_scripts_dir}/https.py', raising=ConfigError)
if __name__ == '__main__':
try:
c = get_config()
verify(c)
generate(c)
apply(c)
except ConfigError as e:
print(e)
sys.exit(1)
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