Merge pull request #4912 from hedrok/T8046-add-link-params-cli

T8046: traffic-engineering: support link-params

1 files changed, 97 insertions, 0 deletions

diff --git a/src/conf_mode/protocols_traffic_engineering.py b/src/conf_mode/protocols_traffic_engineering.py
new file mode 100755
index 000000000..925585158
--- /dev/null
+++ b/src/conf_mode/protocols_traffic_engineering.py
@@ -0,0 +1,97 @@
+#!/usr/bin/env python3
+#
+# Copyright VyOS maintainers and contributors <maintainers@vyos.io>
+#
+# 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.configverify import has_frr_protocol_in_dict
+from vyos.frrender import FRRender
+from vyos.frrender import get_frrender_dict
+from vyos.utils.process import is_systemd_service_running
+from vyos import ConfigError
+from vyos import airbag
+
+airbag.enable()
+
+
+def get_config(config=None):
+    if config:
+        conf = config
+    else:
+        conf = Config()
+
+    return get_frrender_dict(conf)
+
+
+def verify(config_dict):
+    if not has_frr_protocol_in_dict(config_dict, 'traffic_engineering'):
+        return None
+
+    te = config_dict['traffic_engineering']
+
+    group_by_bit_position = {}
+    if 'admin_group' in te:
+        for admin_group, admin_group_data in te['admin_group'].items():
+            if 'bit_position' not in admin_group_data:
+                raise ConfigError(
+                    f'Missing required "bit-position" in group {admin_group}'
+                )
+            if admin_group_data['bit_position'] in group_by_bit_position:
+                other = group_by_bit_position[admin_group_data['bit_position']]
+                raise ConfigError(
+                    f'Two admin-groups cannot have same bit positions! Conflicting groups: {admin_group} and {other}'
+                )
+            group_by_bit_position[admin_group_data['bit_position']] = admin_group
+
+    all_groups = group_by_bit_position.values()
+
+    if 'interface' in te:
+        for interface, interface_data in te['interface'].items():
+            if 'admin_group' not in interface_data:
+                continue
+            for grp in interface_data['admin_group']:
+                if grp not in all_groups:
+                    raise ConfigError(
+                        f'Unknown admin-group "{grp}" set for interface "{interface}"'
+                    )
+
+    return None
+
+
+def generate(config_dict):
+    if config_dict and not is_systemd_service_running('vyos-configd.service'):
+        FRRender().generate(config_dict)
+    return None
+
+
+def apply(config_dict):
+    if not has_frr_protocol_in_dict(config_dict, 'traffic_engineering'):
+        return None
+
+    if config_dict and not is_systemd_service_running('vyos-configd.service'):
+        FRRender().apply()
+    return None
+
+
+if __name__ == '__main__':
+    try:
+        c = get_config()
+        verify(c)
+        generate(c)
+        apply(c)
+    except ConfigError as e:
+        print(e)
+        exit(1)