1 files changed, 43 insertions, 0 deletions
diff --git a/src/migration-scripts/isis/2-to-3 b/src/migration-scripts/isis/2-to-3
new file mode 100644
index 0000000..afb9f23
--- /dev/null
+++ b/src/migration-scripts/isis/2-to-3
@@ -0,0 +1,43 @@
+# Copyright 2023-2024 VyOS maintainers and contributors <maintainers@vyos.io>
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library 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
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with this library.  If not, see <http://www.gnu.org/licenses/>.
+
+# T5150: Rework CLI definitions to apply route-maps between routing daemons
+#        and zebra/kernel
+
+from vyos.configtree import ConfigTree
+
+isis_base = ['protocols', 'isis']
+
+def migrate(config: ConfigTree) -> None:
+    # Check if IS-IS is configured - if so, migrate the CLI node
+    if config.exists(isis_base):
+        if config.exists(isis_base + ['route-map']):
+            tmp = config.return_value(isis_base + ['route-map'])
+
+            config.set(['system', 'ip', 'protocol', 'isis', 'route-map'], value=tmp)
+            config.set_tag(['system', 'ip', 'protocol'])
+            config.delete(isis_base + ['route-map'])
+
+    # Check if vrf names are configured. Check if IS-IS is configured - if so,
+    # migrate  the CLI node(s)
+    if config.exists(['vrf', 'name']):
+        for vrf in config.list_nodes(['vrf', 'name']):
+            vrf_base = ['vrf', 'name', vrf]
+            if config.exists(vrf_base + ['protocols', 'isis', 'route-map']):
+                tmp = config.return_value(vrf_base + ['protocols', 'isis', 'route-map'])
+
+                config.set(vrf_base + ['ip', 'protocol', 'isis', 'route-map'], value=tmp)
+                config.set_tag(vrf_base + ['ip', 'protocol', 'isis'])
+                config.delete(vrf_base + ['protocols', 'isis', 'route-map'])