api: Address issues with keypairs APIs

Change-Id: I84ea28fc3ee255dea207e373c7064e3231e777f7
Signed-off-by: Stephen Finucane <stephenfin@redhat.com>

nova/api/openstack/compute/keypairs.py

@@ -197,6 +197,8 @@ class KeypairController(wsgi.Controller):
         if api_version_request.is_supported(req, '2.35'):
             links = True
 
+        # TODO(stephenfin): Remove deleted, deleted_at, and updated_at from
+        # response in future microversion.
         return self._index(
             req, key_type=key_type, user_id=user_id, links=links
         )

nova/api/openstack/compute/schemas/keypairs.py

@@ -165,23 +165,18 @@ show_response = {
             'type': 'object',
             'properties': {
                 'created_at': {'type': 'string', 'format': 'date-time'},
-                'deleted': {'type': 'boolean'},
-                'deleted_at': {
-                    'oneOf': [
-                        {'type': 'string', 'format': 'date-time'},
-                        {'type': 'null'},
-                    ],
-                },
+                # NOTE(stephenfin): While we expose these soft delete fields,
+                # we don't provide a mechanism to show actual soft deleted
+                # entries. As such, they're never populated.
+                'deleted': {'type': 'boolean', 'const': False},
+                'deleted_at': {'type': 'null'},
                 'fingerprint': {'type': 'string'},
                 'id': {'type': 'integer'},
                 'name': parameter_types.keypair_name_special_chars,
                 'public_key': {'type': 'string'},
-                'updated_at': {
-                    'oneOf': [
-                        {'type': 'string', 'format': 'date-time'},
-                        {'type': 'null'},
-                    ],
-                },
+                # NOTE(stephenfin): There is no way to update an existing
+                # keypair, so this is never populated.
+                'updated_at': {'type': 'null'},
                 'user_id': parameter_types.user_id,
             },
             'required': [

nova/tests/unit/policies/test_keypairs.py

@@ -33,7 +33,7 @@ FAKE_KEYPAIR = objects.KeyPair(
     private_key='ssh-rsa foo',
     public_key='ssh-rsa foo',
     type='ssh',
-    updated_at=datetime.datetime(2024, 10, 29, 13, 42, 2),
+    updated_at=None,
     user_id=uuids.user_alt_id,
 )