vxlan: T5699: migrate "external" CLI know to "parameters external"

As we have a bunch of options under "paramteres" already and "external" is
clearly one of them it should be migrated under that node as well.

(cherry picked from commit cc7ba8824a5e9ec818f0bbe7fb85e1713a591527)

2 files changed, 18 insertions, 12 deletions

diff --git a/src/conf_mode/interfaces-vxlan.py b/src/conf_mode/interfaces-vxlan.py
index ff8144e74..16cc96c63 100755
--- a/src/conf_mode/interfaces-vxlan.py
+++ b/src/conf_mode/interfaces-vxlan.py
@@ -34,6 +34,7 @@ from vyos.configverify import verify_bond_bridge_member
 from vyos.ifconfig import Interface
 from vyos.ifconfig import VXLANIf
 from vyos.template import is_ipv6
+from vyos.utils.dict import dict_search
 from vyos import ConfigError
 from vyos import airbag
 airbag.enable()
@@ -53,7 +54,7 @@ def get_config(config=None):
     # VXLAN interfaces are picky and require recreation if certain parameters
     # change. But a VXLAN interface should - of course - not be re-created if
     # it's description or IP address is adjusted. Feels somehow logic doesn't it?
-    for cli_option in ['parameters', 'external', 'gpe', 'group', 'port', 'remote',
+    for cli_option in ['parameters', 'gpe', 'group', 'port', 'remote',
                        'source-address', 'source-interface', 'vni']:
         if is_node_changed(conf, base + [ifname, cli_option]):
             vxlan.update({'rebuild_required': {}})
@@ -94,17 +95,17 @@ def verify(vxlan):
     if not any(tmp in ['group', 'remote', 'source_address', 'source_interface'] for tmp in vxlan):
         raise ConfigError('Group, remote, source-address or source-interface must be configured')
 
-    if 'vni' not in vxlan and 'external' not in vxlan:
-        raise ConfigError(
-            'Must either configure VXLAN "vni" or use "external" CLI option!')
+    if 'vni' not in vxlan and dict_search('parameters.external', vxlan) == None:
+        raise ConfigError('Must either configure VXLAN "vni" or use "external" CLI option!')
 
-    if {'external', 'vni'} <= set(vxlan):
-        raise ConfigError('Can not specify both "external" and "VNI"!')
+    if dict_search('parameters.external', vxlan):
+        if 'vni' in vxlan:
+            raise ConfigError('Can not specify both "external" and "VNI"!')
 
-    if {'external', 'other_tunnels'} <= set(vxlan):
-        other_tunnels = ', '.join(vxlan['other_tunnels'])
-        raise ConfigError(f'Only one VXLAN tunnel is supported when "external" '\
-                          f'CLI option is used. Additional tunnels: {other_tunnels}')
+        if 'other_tunnels' in vxlan:
+            other_tunnels = ', '.join(vxlan['other_tunnels'])
+            raise ConfigError(f'Only one VXLAN tunnel is supported when "external" '\
+                              f'CLI option is used. Additional tunnels: {other_tunnels}')
 
     if 'gpe' in vxlan and 'external' not in vxlan:
         raise ConfigError(f'VXLAN-GPE is only supported when "external" '\
diff --git a/src/migration-scripts/interfaces/31-to-32 b/src/migration-scripts/interfaces/31-to-32
index 35b397c39..ca3d19320 100755
--- a/src/migration-scripts/interfaces/31-to-32
+++ b/src/migration-scripts/interfaces/31-to-32
@@ -27,7 +27,8 @@ if len(argv) < 2:
 file_name = argv[1]
 with open(file_name, 'r') as f:
     config_file = f.read()
-    base = ['interfaces', 'vxlan']
+
+base = ['interfaces', 'vxlan']
 
 config = ConfigTree(config_file)
 if not config.exists(base):
@@ -35,7 +36,11 @@ if not config.exists(base):
     exit(0)
 
 for vxlan in config.list_nodes(base):
-    if not config.exists(base + ['port']):
+    if config.exists(base + [vxlan, 'external']):
+        config.delete(base + [vxlan, 'external'])
+        config.set(base + [vxlan, 'parameters', 'external'])
+
+    if not config.exists(base + [vxlan, 'port']):
         config.set(base + [vxlan, 'port'], value='8472')
 
 try: