T6732: added same as vyos 1x

1 files changed, 40 insertions, 0 deletions

diff --git a/src/migration-scripts/quagga/5-to-6 b/src/migration-scripts/quagga/5-to-6
new file mode 100644
index 0000000..08fd070
--- /dev/null
+++ b/src/migration-scripts/quagga/5-to-6
@@ -0,0 +1,40 @@
+# Copyright 2020-2024 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(config: ConfigTree) -> None:
+    if not config.exists(['protocols', 'bgp']):
+        # Nothing to do
+        return
+
+    # Check if BGP is actually configured and obtain the ASN
+    asn_list = config.list_nodes(['protocols', 'bgp'])
+    if asn_list:
+        # There's always just one BGP node, if any
+        asn = asn_list[0]
+    else:
+        # There's actually no BGP, just its empty shell
+        return
+
+    # Check if BGP parameter disable-network-import-check exists
+    param = ['protocols', 'bgp', asn, 'parameters', 'disable-network-import-check']
+    if config.exists(param):
+        # Delete parameter
+        config.delete(param)
+    else:
+        # Do nothing
+        return