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Diffstat (limited to 'src/conf_mode/dhcp_relay.py')
-rwxr-xr-xsrc/conf_mode/dhcp_relay.py104
1 files changed, 0 insertions, 104 deletions
diff --git a/src/conf_mode/dhcp_relay.py b/src/conf_mode/dhcp_relay.py
deleted file mode 100755
index 37d708847..000000000
--- a/src/conf_mode/dhcp_relay.py
+++ /dev/null
@@ -1,104 +0,0 @@
-#!/usr/bin/env python3
-#
-# Copyright (C) 2018-2020 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/>.
-
-import os
-
-from sys import exit
-
-from vyos.base import Warning
-from vyos.config import Config
-from vyos.template import render
-from vyos.base import Warning
-from vyos.utils.process import call
-from vyos.utils.dict import dict_search
-from vyos import ConfigError
-from vyos import airbag
-airbag.enable()
-
-config_file = r'/run/dhcp-relay/dhcrelay.conf'
-
-def get_config(config=None):
- if config:
- conf = config
- else:
- conf = Config()
- base = ['service', 'dhcp-relay']
- if not conf.exists(base):
- return None
-
- relay = conf.get_config_dict(base, key_mangling=('-', '_'),
- get_first_key=True,
- with_recursive_defaults=True)
-
- return relay
-
-def verify(relay):
- # bail out early - looks like removal from running config
- if not relay or 'disable' in relay:
- return None
-
- if 'lo' in (dict_search('interface', relay) or []):
- raise ConfigError('DHCP relay does not support the loopback interface.')
-
- if 'server' not in relay :
- raise ConfigError('No DHCP relay server(s) configured.\n' \
- 'At least one DHCP relay server required.')
-
- if 'interface' in relay:
- Warning('DHCP relay interface is DEPRECATED - please use upstream-interface and listen-interface instead!')
- if 'upstream_interface' in relay or 'listen_interface' in relay:
- raise ConfigError('<interface> configuration is not compatible with upstream/listen interface')
- else:
- Warning('<interface> is going to be deprecated.\n' \
- 'Please use <listen-interface> and <upstream-interface>')
-
- if 'upstream_interface' in relay and 'listen_interface' not in relay:
- raise ConfigError('No listen-interface configured')
- if 'listen_interface' in relay and 'upstream_interface' not in relay:
- raise ConfigError('No upstream-interface configured')
-
- return None
-
-def generate(relay):
- # bail out early - looks like removal from running config
- if not relay or 'disable' in relay:
- return None
-
- render(config_file, 'dhcp-relay/dhcrelay.conf.j2', relay)
- return None
-
-def apply(relay):
- # bail out early - looks like removal from running config
- service_name = 'isc-dhcp-relay.service'
- if not relay or 'disable' in relay:
- call(f'systemctl stop {service_name}')
- if os.path.exists(config_file):
- os.unlink(config_file)
- return None
-
- call(f'systemctl restart {service_name}')
-
- return None
-
-if __name__ == '__main__':
- try:
- c = get_config()
- verify(c)
- generate(c)
- apply(c)
- except ConfigError as e:
- print(e)
- exit(1)