isis: T6978: add IS-IS SRv6 node-msd configuration

Co-Authored-by: Christian Breunig <christian@breunig.cc>

2 files changed, 28 insertions, 0 deletions

diff --git a/src/completion/list_srv6_locators.sh b/src/completion/list_srv6_locators.sh
new file mode 100644
index 000000000..03ca499d8
--- /dev/null
+++ b/src/completion/list_srv6_locators.sh
@@ -0,0 +1,21 @@
+#!/bin/bash
+#
+# Copyright (C) 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/>.
+#
+# This script is completion helper to list all configured SRv6 locators that
+# are visible to FRR
+
+seg6LocatorsJson=$(vtysh -c 'show segment-routing srv6 locator json')
+echo "$(echo "$seg6LocatorsJson" | jq -r '[.locators[].name][]')"
diff --git a/src/conf_mode/protocols_isis.py b/src/conf_mode/protocols_isis.py
index 151c5450a..3d172087e 100755
--- a/src/conf_mode/protocols_isis.py
+++ b/src/conf_mode/protocols_isis.py
@@ -261,6 +261,13 @@ def verify(config_dict):
             f'max-lsp-lifetime must be greater or equal to lsp-refresh-interval + 300'
         )
 
+    # Check IS-IS SRv6
+    if dict_search('segment_routing.srv6', isis):
+        # The interface used to install SRv6 SIDs in the Linux data plane.
+        # https://docs.frrouting.org/en/stable-10.2/isisd.html#clicmd-interface-NAME
+        if not dict_search('segment_routing.srv6.interface', isis):
+            raise ConfigError('Missing interface used for installing SRv6 SIDs')
+
     return None
 
 def generate(config_dict):