add migration script

Author: opswill

src/migration-scripts/container/2-to-3

@@ -0,0 +1,29 @@
+# Copyright 2024 VyOS maintainers and contributors <[email protected]>
+#
+# 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/>.
+
+# T7473: container: allow log-driver to be set per container
+
+from vyos.configtree import ConfigTree
+
+base = ['container', 'log-driver']
+
+def migrate(config: ConfigTree) -> None:
+
+    # Check if containers exist and we need to perform image manipulation
+    if not config.exists(base):
+        # Nothing to do
+        return
+    else:
+        config.delete(base)