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authorChristian Breunig <christian@breunig.cc>2023-12-10 21:13:54 +0100
committerChristian Breunig <christian@breunig.cc>2023-12-11 18:21:26 +0100
commitca301cdd4746187f96ff84e411fda6a84e33f237 (patch)
tree9cc422258208424d18b1f8fb19f3b1ba9f3d2ef2 /src/conf_mode/protocols_segment_routing.py
parentaf46fe54e56cf85d13b62ee771bec3d80f225ac5 (diff)
downloadvyos-1x-ca301cdd4746187f96ff84e411fda6a84e33f237.tar.gz
vyos-1x-ca301cdd4746187f96ff84e411fda6a84e33f237.zip
srv6: T591: initial implementation to support locator definition
VyOS CLI set protocols segment-routing srv6 locator bar prefix '2001:b::/64' set protocols segment-routing srv6 locator foo behavior-usid set protocols segment-routing srv6 locator foo prefix '2001:a::/64' Will generate in FRR segment-routing srv6 locators locator bar prefix 2001:b::/64 block-len 40 node-len 24 func-bits 16 exit ! locator foo prefix 2001:a::/64 block-len 40 node-len 24 func-bits 16 behavior usid exit ! exit ! exit ! exit
Diffstat (limited to 'src/conf_mode/protocols_segment_routing.py')
-rwxr-xr-xsrc/conf_mode/protocols_segment_routing.py74
1 files changed, 74 insertions, 0 deletions
diff --git a/src/conf_mode/protocols_segment_routing.py b/src/conf_mode/protocols_segment_routing.py
new file mode 100755
index 000000000..eb1653212
--- /dev/null
+++ b/src/conf_mode/protocols_segment_routing.py
@@ -0,0 +1,74 @@
+#!/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.template import render_to_string
+from vyos import ConfigError
+from vyos import frr
+from vyos import airbag
+airbag.enable()
+
+def get_config(config=None):
+ if config:
+ conf = config
+ else:
+ conf = Config()
+
+ base = ['protocols', 'segment-routing']
+ sr = conf.get_config_dict(base, key_mangling=('-', '_'), get_first_key=True, no_tag_node_value_mangle=True)
+
+ # We have gathered the dict representation of the CLI, but there are default
+ # options which we need to update into the dictionary retrived.
+ sr = conf.merge_defaults(sr, recursive=True)
+
+ return sr
+
+def verify(static):
+ return None
+
+def generate(static):
+ if not static:
+ return None
+
+ static['new_frr_config'] = render_to_string('frr/zebra.segment_routing.frr.j2', static)
+ return None
+
+def apply(static):
+ zebra_daemon = 'zebra'
+
+ # Save original configuration prior to starting any commit actions
+ frr_cfg = frr.FRRConfig()
+ frr_cfg.load_configuration(zebra_daemon)
+ frr_cfg.modify_section(r'^segment-routing')
+ if 'new_frr_config' in static:
+ frr_cfg.add_before(frr.default_add_before, static['new_frr_config'])
+ frr_cfg.commit_configuration(zebra_daemon)
+
+ return None
+
+if __name__ == '__main__':
+ try:
+ c = get_config()
+ verify(c)
+ generate(c)
+ apply(c)
+ except ConfigError as e:
+ print(e)
+ exit(1)