Drop addresses key from ACL if None

Author: lgarber-akamai

linode_api4/objects/lke.py

@@ -14,6 +14,7 @@
     Region,
     Type,
 )
+from linode_api4.util import drop_null_keys
 
 
 class LKEType(Base):
@@ -574,7 +575,7 @@ def control_plane_acl_update(
         result = self._client.put(
             f"{LKECluster.api_endpoint}/control_plane_acl",
             model=self,
-            data={"acl": acl},
+            data={"acl": drop_null_keys(acl)},
         )
 
         acl = result.get("acl")

test/unit/objects/lke_test.py

@@ -498,3 +498,18 @@ def test_populate_with_mixed_types(self):
         assert self.pool.nodes[0].id == "node7"
         assert self.pool.nodes[1].id == "node8"
         assert self.pool.nodes[2].id == "node9"
+
+    def test_cluster_update_null_addresses(self):
+        cluster = LKECluster(self.client, 18881)
+
+        with self.mock_put("lke/clusters/18881/control_plane_acl") as m:
+            cluster.control_plane_acl_update(
+                LKEClusterControlPlaneACLOptions(
+                    enabled=True,
+                    addresses=None,
+                )
+            )
+
+            # Addresses should not be included in the API request if it's null
+            # See: TPT-3489
+            assert m.call_data == {"acl": {"enabled": True}}