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authorChristian Breunig <christian@breunig.cc>2023-12-21 16:06:51 +0100
committerGitHub <noreply@github.com>2023-12-21 16:06:51 +0100
commit11b3750c4a01a120dc386e72a6781b1c16ed1120 (patch)
tree107d0af94e581601cc9c8032909178f5e593a421 /src/conf_mode/service_ndp-proxy.py
parent273c65311e70414ab6267e62d1abcc2eb0f00a3c (diff)
parent4d721a58020971d00ab854c37b68e88359999f9c (diff)
downloadvyos-1x-11b3750c4a01a120dc386e72a6781b1c16ed1120.tar.gz
vyos-1x-11b3750c4a01a120dc386e72a6781b1c16ed1120.zip
Merge pull request #2665 from c-po/ndp-proxy
T2898: add ndp-proxy service
Diffstat (limited to 'src/conf_mode/service_ndp-proxy.py')
-rwxr-xr-xsrc/conf_mode/service_ndp-proxy.py91
1 files changed, 91 insertions, 0 deletions
diff --git a/src/conf_mode/service_ndp-proxy.py b/src/conf_mode/service_ndp-proxy.py
new file mode 100755
index 000000000..aa2374f4c
--- /dev/null
+++ b/src/conf_mode/service_ndp-proxy.py
@@ -0,0 +1,91 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2023 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.config import Config
+from vyos.configverify import verify_interface_exists
+from vyos.utils.process import call
+from vyos.template import render
+from vyos import ConfigError
+from vyos import airbag
+airbag.enable()
+
+systemd_service = 'ndppd.service'
+ndppd_config = '/run/ndppd/ndppd.conf'
+
+def get_config(config=None):
+ if config:
+ conf = config
+ else:
+ conf = Config()
+ base = ['service', 'ndp-proxy']
+ if not conf.exists(base):
+ return None
+
+ ndpp = conf.get_config_dict(base, key_mangling=('-', '_'),
+ get_first_key=True,
+ with_recursive_defaults=True)
+
+ return ndpp
+
+def verify(ndpp):
+ if not ndpp:
+ return None
+
+ if 'interface' in ndpp:
+ for interface, interface_config in ndpp['interface'].items():
+ verify_interface_exists(interface)
+
+ if 'rule' in interface_config:
+ for rule, rule_config in interface_config['rule'].items():
+ if rule_config['mode'] == 'interface' and 'interface' not in rule_config:
+ raise ConfigError(f'Rule "{rule}" uses interface mode but no interface defined!')
+
+ if rule_config['mode'] != 'interface' and 'interface' in rule_config:
+ if interface_config['mode'] != 'interface' and 'interface' in interface_config:
+ raise ConfigError(f'Rule "{rule}" does not use interface mode, thus interface can not be defined!')
+
+ return None
+
+def generate(ndpp):
+ if not ndpp:
+ return None
+
+ render(ndppd_config, 'ndppd/ndppd.conf.j2', ndpp)
+ return None
+
+def apply(ndpp):
+ if not ndpp:
+ call(f'systemctl stop {systemd_service}')
+ if os.path.isfile(ndppd_config):
+ os.unlink(ndppd_config)
+ return None
+
+ call(f'systemctl reload-or-restart {systemd_service}')
+ return None
+
+if __name__ == '__main__':
+ try:
+ c = get_config()
+ verify(c)
+ generate(c)
+ apply(c)
+ except ConfigError as e:
+ print(e)
+ exit(1)