1 files changed, 86 insertions, 0 deletions
diff --git a/src/migration-scripts/policy/1-to-2 b/src/migration-scripts/policy/1-to-2
new file mode 100755
index 000000000..eebbf9d41
--- /dev/null
+++ b/src/migration-scripts/policy/1-to-2
@@ -0,0 +1,86 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2022 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/>.
+
+# T4170: rename "policy ipv6-route" to "policy route6" to match common
+#        IPv4/IPv6 schema
+# T4178: Update tcp flags to use multi value node
+
+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 = ['policy', 'ipv6-route']
+config = ConfigTree(config_file)
+
+if not config.exists(base):
+    # Nothing to do
+    exit(0)
+
+config.rename(base, 'route6')
+config.set_tag(['policy', 'route6'])
+
+for route in ['route', 'route6']:
+    route_path = ['policy', route]
+    if config.exists(route_path):
+        for name in config.list_nodes(route_path):
+            if config.exists(route_path + [name, 'rule']):
+                for rule in config.list_nodes(route_path + [name, 'rule']):
+                    rule_tcp_flags = route_path + [name, 'rule', rule, 'tcp', 'flags']
+
+                    if config.exists(rule_tcp_flags):
+                        tmp = config.return_value(rule_tcp_flags)
+                        config.delete(rule_tcp_flags)
+                        for flag in tmp.split(","):
+                            for flag in tmp.split(","):
+                                if flag[0] == '!':
+                                    config.set(rule_tcp_flags + ['not', flag[1:].lower()])
+                                else:
+                                    config.set(rule_tcp_flags + [flag.lower()])
+
+if config.exists(['interfaces']):
+    def if_policy_rename(config, path):
+        if config.exists(path + ['policy', 'ipv6-route']):
+            config.rename(path + ['policy', 'ipv6-route'], 'route6')
+
+    for if_type in config.list_nodes(['interfaces']):
+        for ifname in config.list_nodes(['interfaces', if_type]):
+            if_path = ['interfaces', if_type, ifname]
+            if_policy_rename(config, if_path)
+
+        for vif_type in ['vif', 'vif-s']:
+            if config.exists(if_path + [vif_type]):
+                for vifname in config.list_nodes(if_path + [vif_type]):
+                    if_policy_rename(config, if_path + [vif_type, vifname])
+
+                    if config.exists(if_path + [vif_type, vifname, 'vif-c']):
+                        for vifcname in config.list_nodes(if_path + [vif_type, vifname, 'vif-c']):
+                            if_policy_rename(config, if_path + [vif_type, vifname, 'vif-c', vifcname])
+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)