1 files changed, 72 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 100644
index 0000000..e38e365
--- /dev/null
+++ b/src/migration-scripts/dhcpv6-server/3-to-4
@@ -0,0 +1,72 @@
+# Copyright 2024 VyOS maintainers and contributors <maintainers@vyos.io>
+#
+# 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/>.
+
+# T3316:
+# - Add subnet IDs to existing subnets
+# - Move options to option node
+# - Migrate address-range to range tagNode
+
+from vyos.configtree import ConfigTree
+
+base = ['service', 'dhcpv6-server', 'shared-network-name']
+
+option_nodes = ['captive-portal', 'domain-search', 'name-server',
+                'nis-domain', 'nis-server', 'nisplus-domain', 'nisplus-server',
+                'sip-server', 'sntp-server', 'vendor-option']
+
+
+def migrate(config: ConfigTree) -> None:
+    if not config.exists(base):
+        # Nothing to do
+        return
+
+    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