1 files changed, 69 insertions, 0 deletions
diff --git a/src/migration-scripts/dhcp-server/7-to-8 b/src/migration-scripts/dhcp-server/7-to-8
new file mode 100644
index 0000000..7fcb62e
--- /dev/null
+++ b/src/migration-scripts/dhcp-server/7-to-8
@@ -0,0 +1,69 @@
+# Copyright 2023-2024 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: Migrate to Kea
+#        - global-parameters will not function
+#        - shared-network-parameters will not function
+#        - subnet-parameters will not function
+#        - static-mapping-parameters will not function
+#        - host-decl-name is on by default, option removed
+#        - ping-check no longer supported
+#        - failover is default enabled on all subnets that exist on failover servers
+
+from vyos.configtree import ConfigTree
+
+base = ['service', 'dhcp-server']
+
+def migrate(config: ConfigTree) -> None:
+    if not config.exists(base):
+        # Nothing to do
+        return
+
+    if config.exists(base + ['host-decl-name']):
+        config.delete(base + ['host-decl-name'])
+
+    if config.exists(base + ['global-parameters']):
+        config.delete(base + ['global-parameters'])
+
+    if config.exists(base + ['shared-network-name']):
+        for network in config.list_nodes(base + ['shared-network-name']):
+            base_network = base + ['shared-network-name', network]
+
+            if config.exists(base_network + ['ping-check']):
+                config.delete(base_network + ['ping-check'])
+
+            if config.exists(base_network + ['shared-network-parameters']):
+                config.delete(base_network +['shared-network-parameters'])
+
+            if not config.exists(base_network + ['subnet']):
+                continue
+
+            # Run this for every specified 'subnet'
+            for subnet in config.list_nodes(base_network + ['subnet']):
+                base_subnet = base_network + ['subnet', subnet]
+
+                if config.exists(base_subnet + ['enable-failover']):
+                    config.delete(base_subnet + ['enable-failover'])
+
+                if config.exists(base_subnet + ['ping-check']):
+                    config.delete(base_subnet + ['ping-check'])
+
+                if config.exists(base_subnet + ['subnet-parameters']):
+                    config.delete(base_subnet + ['subnet-parameters'])
+
+                if config.exists(base_subnet + ['static-mapping']):
+                    for mapping in config.list_nodes(base_subnet + ['static-mapping']):
+                        if config.exists(base_subnet + ['static-mapping', mapping, 'static-mapping-parameters']):
+                            config.delete(base_subnet + ['static-mapping', mapping, 'static-mapping-parameters'])