tunnel: T5034: migrate "multicast enable" CLI node to enable-multicast

Tunnel interface multicast settings can be "enabled or disabled". As we prefer
valueless nodes, and the linux kernel default is "disabled" we should add a

set interfaces tunnel tunXX enable-multicast

command

1 files changed, 55 insertions, 0 deletions

diff --git a/src/migration-scripts/interfaces/27-to-28 b/src/migration-scripts/interfaces/27-to-28
new file mode 100755
index 000000000..6225d6414
--- /dev/null
+++ b/src/migration-scripts/interfaces/27-to-28
@@ -0,0 +1,55 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2023 VyOS maintainers and contributors
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 or later as
+# published by the Free Software Foundation.
+#
+# This program 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# T5034: tunnel: rename "multicast enable" CLI node to "enable-multicast"
+#        valueless node.
+
+from sys import argv
+
+from vyos.ethtool import Ethtool
+from vyos.configtree import ConfigTree
+
+if (len(argv) < 1):
+    print("Must specify file name!")
+    exit(1)
+
+file_name = argv[1]
+with open(file_name, 'r') as f:
+    config_file = f.read()
+
+base = ['interfaces', 'tunnel']
+config = ConfigTree(config_file)
+
+if not config.exists(base):
+    exit(0)
+
+for ifname in config.list_nodes(base):
+    print(ifname)
+    multicast_base = base + [ifname, 'multicast']
+    if config.exists(multicast_base):
+        tmp = config.return_value(multicast_base)
+        print(tmp)
+        # Delete old Config node
+        config.delete(multicast_base)
+        if tmp == 'enable':
+            config.set(base + [ifname, 'enable-multicast'])
+
+try:
+    with open(file_name, 'w') as f:
+        f.write(config.to_string())
+except OSError as e:
+    print(f'Failed to save the modified config: {e}')
+    exit(1)