Fix octavia operations with empty response body.

Certain octavia operations (failover) return 202 with empty body.
Address this in the schema, so that also the cli commands do not fail
expecting a body.

Change-Id: Id19511311c82a9381aa1eb120cc64a644f346f89
Signed-off-by: Artem Goncharov <artem.goncharov@gmail.com>

.gitignore

@@ -155,3 +155,5 @@ cython_debug/
 .stestr/
 
 wrk/
+
+uv.lock

codegenerator/common/rust.py

@@ -1194,7 +1194,7 @@ class TypeManager:
                                     + name
                                 )
                                 some_model.name = new_other_name
-                                unique_models[new_other_name] = some_model
+                                unique_models[new_other_name] = ref
                                 logging.debug(
                                     f"Renaming also {some_model} into"
                                     f" {new_other_name} for consistency"

codegenerator/openapi/octavia.py

@@ -1203,12 +1203,21 @@ class OctaviaGenerator(OpenStackServerSourceBase):
 
         if name in [
             "LbaasLoadbalancersFailoverFailoverRequest",
+            "OctaviaAmphoraeConfigConfigRequest",
             "OctaviaAmphoraeFailoverFailoverRequest",
         ]:
             schema = openapi_spec.components.schemas.setdefault(
                 name, TypeSchema(type="null")
             )
             ref = f"#/components/schemas/{name}"
+        if name in [
+            "LbaasLoadbalancersFailoverResponse",
+            "OctaviaAmphoraeConfigResponse",
+            "OctaviaAmphoraeFailoverResponse",
+        ]:
+            # No body
+            ref = None
+            mime_type = None
         else:
             (ref, mime_type) = super()._get_schema_ref(
                 openapi_spec,