1 files changed, 90 insertions, 0 deletions
diff --git a/src/migration-scripts/dhcpv6-server/3-to-4 b/src/migration-scripts/dhcpv6-server/3-to-4
new file mode 100755
index 000000000..4747ebd60
--- /dev/null
+++ b/src/migration-scripts/dhcpv6-server/3-to-4
@@ -0,0 +1,90 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2024 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/>.
+
+# T3316:
+# - Add subnet IDs to existing subnets
+# - Move options to option node
+# - Migrate address-range to range tagNode
+
+import sys
+import re
+from vyos.configtree import ConfigTree
+
+if len(sys.argv) < 2:
+    print("Must specify file name!")
+    sys.exit(1)
+
+file_name = sys.argv[1]
+
+with open(file_name, 'r') as f:
+    config_file = f.read()
+
+base = ['service', 'dhcpv6-server', 'shared-network-name']
+config = ConfigTree(config_file)
+
+if not config.exists(base):
+    # Nothing to do
+    sys.exit(0)
+
+option_nodes = ['captive-portal', 'domain-search', 'name-server',
+                'nis-domain', 'nis-server', 'nisplus-domain', 'nisplus-server',
+                'sip-server', 'sntp-server', 'vendor-option']
+
+subnet_id = 1
+
+for network in config.list_nodes(base):
+    if config.exists(base + [network, 'subnet']):
+        for subnet in config.list_nodes(base + [network, 'subnet']):
+            base_subnet = base + [network, 'subnet', subnet]
+
+            if config.exists(base_subnet + ['address-range']):
+                config.set(base_subnet + ['range'])
+                config.set_tag(base_subnet + ['range'])
+
+                range_id = 1
+
+                if config.exists(base_subnet + ['address-range', 'prefix']):
+                    for prefix in config.return_values(base_subnet + ['address-range', 'prefix']):
+                        config.set(base_subnet + ['range', range_id, 'prefix'], value=prefix)
+
+                        range_id += 1
+
+                if config.exists(base_subnet + ['address-range', 'start']):
+                    for start in config.list_nodes(base_subnet + ['address-range', 'start']):
+                        stop = config.return_value(base_subnet + ['address-range', 'start', start, 'stop'])
+
+                        config.set(base_subnet + ['range', range_id, 'start'], value=start)
+                        config.set(base_subnet + ['range', range_id, 'stop'], value=stop)
+
+                        range_id += 1
+
+                config.delete(base_subnet + ['address-range'])
+
+            for option in option_nodes:
+                if config.exists(base_subnet + [option]):
+                    config.set(base_subnet + ['option'])
+                    config.copy(base_subnet + [option], base_subnet + ['option', option])
+                    config.delete(base_subnet + [option])
+
+            config.set(base_subnet + ['subnet-id'], value=subnet_id)
+            subnet_id += 1
+
+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)