1 files changed, 113 insertions, 0 deletions
diff --git a/src/migration-scripts/vrf/0-to-1 b/src/migration-scripts/vrf/0-to-1
new file mode 100644
index 0000000..70abae2
--- /dev/null
+++ b/src/migration-scripts/vrf/0-to-1
@@ -0,0 +1,113 @@
+# Copyright 2021-2024 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/>.
+
+# - T2450: drop interface-route and interface-route6 from "protocols vrf"
+
+from vyos.configtree import ConfigTree
+
+base = ['protocols', 'vrf']
+
+def migrate(config: ConfigTree) -> None:
+    if not config.exists(base):
+        # Nothing to do
+        return
+
+    for vrf in config.list_nodes(base):
+        static_base = base + [vrf, 'static']
+        if not config.exists(static_base):
+            continue
+
+        #
+        # Migrate interface-route into route
+        #
+        interface_route_path = static_base + ['interface-route']
+        if config.exists(interface_route_path):
+            for route in config.list_nodes(interface_route_path):
+                interface = config.list_nodes(interface_route_path + [route, 'next-hop-interface'])
+
+                tmp = interface_route_path + [route, 'next-hop-interface']
+                for interface in config.list_nodes(tmp):
+                    new_base = static_base + ['route', route, 'interface']
+                    config.set(new_base)
+                    config.set_tag(new_base)
+                    config.copy(tmp + [interface], new_base + [interface])
+
+            config.delete(interface_route_path)
+
+        #
+        # Migrate interface-route6 into route6
+        #
+        interface_route_path = static_base + ['interface-route6']
+        if config.exists(interface_route_path):
+            for route in config.list_nodes(interface_route_path):
+                interface = config.list_nodes(interface_route_path + [route, 'next-hop-interface'])
+
+                tmp = interface_route_path + [route, 'next-hop-interface']
+                for interface in config.list_nodes(tmp):
+                    new_base = static_base + ['route6', route, 'interface']
+                    config.set(new_base)
+                    config.set_tag(new_base)
+                    config.copy(tmp + [interface], new_base + [interface])
+
+            config.delete(interface_route_path)
+
+        #
+        # Cleanup nodes inside route
+        #
+        route_path = static_base + ['route']
+        if config.exists(route_path):
+            for route in config.list_nodes(route_path):
+                next_hop = route_path + [route, 'next-hop']
+                if config.exists(next_hop):
+                    for gateway in config.list_nodes(next_hop):
+                        interface_path = next_hop + [gateway, 'next-hop-interface']
+                        if config.exists(interface_path):
+                            config.rename(interface_path, 'interface')
+                        vrf_path = next_hop + [gateway, 'next-hop-vrf']
+                        if config.exists(vrf_path):
+                            config.rename(vrf_path, 'vrf')
+
+                next_hop = route_path + [route, 'interface']
+                if config.exists(next_hop):
+                    for interface in config.list_nodes(next_hop):
+                        interface_path = next_hop + [interface, 'next-hop-interface']
+                        if config.exists(interface_path):
+                            config.rename(interface_path, 'interface')
+                        vrf_path = next_hop + [interface, 'next-hop-vrf']
+                        if config.exists(vrf_path):
+                            config.rename(vrf_path, 'vrf')
+
+        #
+        # Cleanup nodes inside route6
+        #
+        route_path = static_base + ['route6']
+        if config.exists(route_path):
+            for route in config.list_nodes(route_path):
+                next_hop = route_path + [route, 'next-hop']
+                if config.exists(next_hop):
+                    for gateway in config.list_nodes(next_hop):
+                        vrf_path = next_hop + [gateway, 'next-hop-vrf']
+                        if config.exists(vrf_path):
+                            config.rename(vrf_path, 'vrf')
+
+                next_hop = route_path + [route, 'interface']
+                if config.exists(next_hop):
+                    for interface in config.list_nodes(next_hop):
+                        interface_path = next_hop + [interface, 'next-hop-interface']
+                        if config.exists(interface_path):
+                            config.rename(interface_path, 'interface')
+                        vrf_path = next_hop + [interface, 'next-hop-vrf']
+                        if config.exists(vrf_path):
+                            config.rename(vrf_path, 'vrf')