replacing patch way to ResourceEditor (#519)

* run pre-commit for fixng check

Signed-off-by: Milind Waykole <[email protected]>

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Signed-off-by: Milind Waykole <[email protected]>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Debarati Basu-Nag <[email protected]>

Author: 3 people

tests/model_serving/model_server/keda/test_isvc_keda_scaling_cpu.py

@@ -1,4 +1,5 @@
 import pytest
+from ocp_resources.resource import ResourceEditor
 from simple_logger.logger import get_logger
 from typing import Any, Generator
 from kubernetes.dynamic import DynamicClient
@@ -72,19 +73,28 @@ def test_ovms_keda_scaling_verify_scaledobject(
         """Test KEDA ScaledObject configuration and run inference multiple times to trigger scaling."""
 
         if is_jira_open(jira_id="RHOAIENG-31386", admin_client=admin_client):
-            patch_operations = [
-                {
-                    "op": "add",
-                    "path": "/spec/predictor/autoScaling/metrics/0/external/authenticationRef",
-                    "value": {"authModes": "bearer", "authenticationRef": {"name": "inference-prometheus-auth"}},
+            isvc_dict = stressed_ovms_keda_inference_service.instance.to_dict()
+            metrics = isvc_dict.get("spec", {}).get("predictor", {}).get("autoScaling", {}).get("metrics", [])
+
+            if metrics and isinstance(metrics[0], dict) and metrics[0].get("external") is not None:
+                metrics[0].setdefault("external", {})["authenticationRef"] = {
+                    "authModes": "bearer",
+                    "authenticationRef": {"name": "inference-prometheus-auth"},
                 }
-            ]
-            admin_client.resources.get(api_version="v1beta1", kind="InferenceService").patch(
-                name=stressed_ovms_keda_inference_service.name,
-                namespace=stressed_ovms_keda_inference_service.namespace,
-                body=patch_operations,
-                content_type="application/json-patch+json",
-            )
+
+                ResourceEditor(
+                    patches={
+                        stressed_ovms_keda_inference_service: {
+                            "spec": {
+                                "predictor": {
+                                    "autoScaling": {
+                                        "metrics": metrics,
+                                    }
+                                }
+                            }
+                        }
+                    }
+                ).update()
 
         verify_keda_scaledobject(
             client=unprivileged_client,