conntrack: T3535: migrate codebase from vyatta-conntrack-sync

1 files changed, 61 insertions, 0 deletions

diff --git a/src/migration-scripts/conntrack-sync/1-to-2 b/src/migration-scripts/conntrack-sync/1-to-2
new file mode 100755
index 000000000..3a76fc0e0
--- /dev/null
+++ b/src/migration-scripts/conntrack-sync/1-to-2
@@ -0,0 +1,61 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2021 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/>.
+
+# VyOS 1.2 crux allowed configuring a lower or upper case loglevel. This
+# is no longer supported as the input data is validated and will lead to
+# an error. If user specifies an upper case logleve, make it lowercase
+
+from sys import argv
+from sys import exit
+
+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 = ['service', 'conntrack-sync']
+config = ConfigTree(config_file)
+
+if not config.exists(base):
+    # Nothing to do
+    exit(0)
+else:
+    base_accept_proto = base + ['accept-protocol']
+    if config.exists(base_accept_proto):
+        tmp = config.return_value(base_accept_proto)
+        config.delete(base_accept_proto)
+        for protocol in tmp.split(','):
+            config.set(base_accept_proto, value=protocol, replace=False)
+
+    base_ignore_addr = base + ['ignore-address', 'ipv4']
+    if config.exists(base_ignore_addr):
+        tmp = config.return_values(base_ignore_addr)
+        config.delete(base_ignore_addr)
+        for address in tmp:
+            config.set(base + ['ignore-address'], value=address, replace=False)
+
+    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)