firewall: T5834: Migration for 'enable-default-log' to 'default-log'

1 files changed, 59 insertions, 0 deletions

diff --git a/src/migration-scripts/firewall/13-to-14 b/src/migration-scripts/firewall/13-to-14
new file mode 100755
index 000000000..f45ff0674
--- /dev/null
+++ b/src/migration-scripts/firewall/13-to-14
@@ -0,0 +1,59 @@
+#!/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/>.
+
+# T5834: Rename 'enable-default-log' to 'default-log'
+# From
+    # set firewall ... filter enable-default-log
+    # set firewall ... name <name> enable-default-log
+# To
+    # set firewall ... filter default-log
+    # set firewall ... name <name> default-log
+
+from sys import argv
+from sys import exit
+
+from vyos.configtree import ConfigTree
+
+if len(argv) < 2:
+    print("Must specify file name!")
+    exit(1)
+
+file_name = argv[1]
+
+with open(file_name, 'r') as f:
+    config_file = f.read()
+
+base = ['firewall']
+config = ConfigTree(config_file)
+
+if not config.exists(base):
+    # Nothing to do
+    exit(0)
+
+for family in ['ipv4', 'ipv6', 'bridge']:
+    if config.exists(base + [family]):
+        for hook in ['forward', 'input', 'output', 'name']:
+            if config.exists(base + [family, hook]):
+                for priority in config.list_nodes(base + [family, hook]):
+                    if config.exists(base + [family, hook, priority, 'enable-default-log']):
+                        config.rename(base + [family, hook, priority, 'enable-default-log'], 'default-log')
+
+try:
+    with open(file_name, 'w') as f:
+        f.write(config.to_string())
+except OSError as e:
+    print("Failed to save the modified config: {}".format(e))
+    exit(1)