1 files changed, 69 insertions, 0 deletions
diff --git a/src/migration-scripts/dhcp-server/5-to-6 b/src/migration-scripts/dhcp-server/5-to-6
new file mode 100644
index 0000000..9404cd0
--- /dev/null
+++ b/src/migration-scripts/dhcp-server/5-to-6
@@ -0,0 +1,69 @@
+# Copyright 2021-2024 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/>.
+
+# T1968: allow multiple static-routes to be configured
+# T3838: rename dns-server -> name-server
+
+from vyos.configtree import ConfigTree
+
+base = ['service', 'dhcp-server']
+
+def migrate(config: ConfigTree) -> None:
+    if not config.exists(base + ['shared-network-name']):
+        # Nothing to do
+        return
+
+    # Run this for every instance if 'shared-network-name'
+    for network in config.list_nodes(base + ['shared-network-name']):
+        base_network = base + ['shared-network-name', network]
+
+        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]
+
+            # T1968: allow multiple static-routes to be configured
+            if config.exists(base_subnet + ['static-route']):
+                prefix = config.return_value(base_subnet + ['static-route', 'destination-subnet'])
+                router = config.return_value(base_subnet + ['static-route', 'router'])
+                config.delete(base_subnet + ['static-route'])
+
+                config.set(base_subnet + ['static-route', prefix, 'next-hop'], value=router)
+                config.set_tag(base_subnet + ['static-route'])
+
+            # T3838: rename dns-server -> name-server
+            if config.exists(base_subnet + ['dns-server']):
+                config.rename(base_subnet + ['dns-server'], 'name-server')
+
+
+            # T3672: ISC DHCP server only supports one failover peer
+            if config.exists(base_subnet + ['failover']):
+                # There can only be one failover configuration, if none is present
+                # we add the first one
+                if not config.exists(base + ['failover']):
+                    local = config.return_value(base_subnet + ['failover', 'local-address'])
+                    remote = config.return_value(base_subnet + ['failover', 'peer-address'])
+                    status = config.return_value(base_subnet + ['failover', 'status'])
+                    name = config.return_value(base_subnet + ['failover', 'name'])
+
+                    config.set(base + ['failover', 'remote'], value=remote)
+                    config.set(base + ['failover', 'source-address'], value=local)
+                    config.set(base + ['failover', 'status'], value=status)
+                    config.set(base + ['failover', 'name'], value=name)
+
+                config.delete(base_subnet + ['failover'])
+                config.set(base_subnet + ['enable-failover'])