1 files changed, 125 insertions, 0 deletions
diff --git a/src/migration-scripts/interfaces/23-to-24 b/src/migration-scripts/interfaces/23-to-24
new file mode 100644
index 0000000..b72ceee
--- /dev/null
+++ b/src/migration-scripts/interfaces/23-to-24
@@ -0,0 +1,125 @@
+# 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/>.
+
+from vyos.configtree import ConfigTree
+
+def migrate_ospf(config, path, interface):
+    path = path + ['ospf']
+    if config.exists(path):
+        new_base = ['protocols', 'ospf', 'interface']
+        config.set(new_base)
+        config.set_tag(new_base)
+        config.copy(path, new_base + [interface])
+        config.delete(path)
+
+        # if "ip ospf" was the only setting, we can clean out the empty
+        # ip node afterwards
+        if len(config.list_nodes(path[:-1])) == 0:
+            config.delete(path[:-1])
+
+def migrate_ospfv3(config, path, interface):
+    path = path + ['ospfv3']
+    if config.exists(path):
+        new_base = ['protocols', 'ospfv3', 'interface']
+        config.set(new_base)
+        config.set_tag(new_base)
+        config.copy(path, new_base + [interface])
+        config.delete(path)
+
+        # if "ipv6 ospfv3" was the only setting, we can clean out the empty
+        # ip node afterwards
+        if len(config.list_nodes(path[:-1])) == 0:
+            config.delete(path[:-1])
+
+def migrate_rip(config, path, interface):
+    path = path + ['rip']
+    if config.exists(path):
+        new_base = ['protocols', 'rip', 'interface']
+        config.set(new_base)
+        config.set_tag(new_base)
+        config.copy(path, new_base + [interface])
+        config.delete(path)
+
+        # if "ip rip" was the only setting, we can clean out the empty
+        # ip node afterwards
+        if len(config.list_nodes(path[:-1])) == 0:
+            config.delete(path[:-1])
+
+def migrate_ripng(config, path, interface):
+    path = path + ['ripng']
+    if config.exists(path):
+        new_base = ['protocols', 'ripng', 'interface']
+        config.set(new_base)
+        config.set_tag(new_base)
+        config.copy(path, new_base + [interface])
+        config.delete(path)
+
+        # if "ipv6 ripng" was the only setting, we can clean out the empty
+        # ip node afterwards
+        if len(config.list_nodes(path[:-1])) == 0:
+            config.delete(path[:-1])
+
+def migrate(config: ConfigTree) -> None:
+    #
+    # Migrate "interface ethernet eth0 ip ospf" to "protocols ospf interface eth0"
+    #
+    for type in config.list_nodes(['interfaces']):
+        for interface in config.list_nodes(['interfaces', type]):
+            ip_base = ['interfaces', type, interface, 'ip']
+            ipv6_base = ['interfaces', type, interface, 'ipv6']
+            migrate_rip(config, ip_base, interface)
+            migrate_ripng(config, ipv6_base, interface)
+            migrate_ospf(config, ip_base, interface)
+            migrate_ospfv3(config, ipv6_base, interface)
+
+            vif_path = ['interfaces', type, interface, 'vif']
+            if config.exists(vif_path):
+                for vif in config.list_nodes(vif_path):
+                    vif_ip_base = vif_path + [vif, 'ip']
+                    vif_ipv6_base = vif_path + [vif, 'ipv6']
+                    ifname = f'{interface}.{vif}'
+
+                    migrate_rip(config, vif_ip_base, ifname)
+                    migrate_ripng(config, vif_ipv6_base, ifname)
+                    migrate_ospf(config, vif_ip_base, ifname)
+                    migrate_ospfv3(config, vif_ipv6_base, ifname)
+
+
+            vif_s_path = ['interfaces', type, interface, 'vif-s']
+            if config.exists(vif_s_path):
+                for vif_s in config.list_nodes(vif_s_path):
+                    vif_s_ip_base = vif_s_path + [vif_s, 'ip']
+                    vif_s_ipv6_base = vif_s_path + [vif_s, 'ipv6']
+
+                    # vif-c interfaces MUST be migrated before their parent vif-s
+                    # interface as the migrate_*() functions delete the path!
+                    vif_c_path = ['interfaces', type, interface, 'vif-s', vif_s, 'vif-c']
+                    if config.exists(vif_c_path):
+                        for vif_c in config.list_nodes(vif_c_path):
+                            vif_c_ip_base = vif_c_path + [vif_c, 'ip']
+                            vif_c_ipv6_base = vif_c_path + [vif_c, 'ipv6']
+                            ifname = f'{interface}.{vif_s}.{vif_c}'
+
+                            migrate_rip(config, vif_c_ip_base, ifname)
+                            migrate_ripng(config, vif_c_ipv6_base, ifname)
+                            migrate_ospf(config, vif_c_ip_base, ifname)
+                            migrate_ospfv3(config, vif_c_ipv6_base, ifname)
+
+
+                    ifname = f'{interface}.{vif_s}'
+                    migrate_rip(config, vif_s_ip_base, ifname)
+                    migrate_ripng(config, vif_s_ipv6_base, ifname)
+                    migrate_ospf(config, vif_s_ip_base, ifname)
+                    migrate_ospfv3(config, vif_s_ipv6_base, ifname)