1 files changed, 46 insertions, 0 deletions
diff --git a/src/migration-scripts/bgp/4-to-5 b/src/migration-scripts/bgp/4-to-5
new file mode 100644
index 0000000..d779eb1
--- /dev/null
+++ b/src/migration-scripts/bgp/4-to-5
@@ -0,0 +1,46 @@
+# Copyright 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/>.
+
+# Delete 'protocols bgp address-family ipv6-unicast route-target vpn
+# import/export', if 'protocols bgp address-family ipv6-unicast
+# route-target vpn both' exists
+
+from vyos.configtree import ConfigTree
+
+def migrate(config: ConfigTree) -> None:
+    bgp_base = ['protocols', 'bgp']
+    # Delete 'import/export' in default vrf if 'both' exists
+    if config.exists(bgp_base):
+        for address_family in ['ipv4-unicast', 'ipv6-unicast']:
+            rt_path = bgp_base + ['address-family', address_family, 'route-target',
+                                  'vpn']
+            if config.exists(rt_path + ['both']):
+                if config.exists(rt_path + ['import']):
+                    config.delete(rt_path + ['import'])
+                if config.exists(rt_path + ['export']):
+                    config.delete(rt_path + ['export'])
+
+    # Delete import/export in vrfs if both exists
+    if config.exists(['vrf', 'name']):
+        for vrf in config.list_nodes(['vrf', 'name']):
+            vrf_base = ['vrf', 'name', vrf]
+            for address_family in ['ipv4-unicast', 'ipv6-unicast']:
+                rt_path = vrf_base + bgp_base + ['address-family', address_family,
+                                                 'route-target', 'vpn']
+                if config.exists(rt_path + ['both']):
+                    if config.exists(rt_path + ['import']):
+                        config.delete(rt_path + ['import'])
+                    if config.exists(rt_path + ['export']):
+                        config.delete(rt_path + ['export'])