fix(disruption): Skip internal LB monitor on Hypershift

The internal load balancer monitor is not applicable to Hypershift
clusters and causes test failures. This change skips the deployment
of the internal LB monitor on Hypershift.

Author: wangke19

pkg/monitortests/kubeapiserver/disruptioninclusterapiserver/monitortest.go

@@ -5,6 +5,7 @@ import (
 	_ "embed"
 	"fmt"
 	"net/url"
+	"os"
 	"time"
 
 	"github.com/google/uuid"
@@ -378,11 +379,35 @@ func (i *InvariantInClusterDisruption) StartCollection(ctx context.Context, admi
 		return fmt.Errorf("error getting openshift infrastructure: %v", err)
 	}
 
-	internalAPI, err := url.Parse(infra.Status.APIServerInternalURL)
-	if err != nil {
-		return fmt.Errorf("error parsing api int url: %v", err)
+	var apiIntHost string
+	if isHypershift {
+		_, hcpNamespace, err := exutil.GetHypershiftManagementClusterConfigAndNamespace()
+		if err != nil {
+			return fmt.Errorf("failed to get hypershift management cluster config and namespace: %w", err)
+		}
+
+		managementOC := exutil.NewHypershiftManagementCLI(hcpNamespace)
+		// For Hypershift, only skip if it's specifically ARO HCP
+		// Use management cluster client to check the control-plane-operator deployment
+		if isAROHCPcluster, err := exutil.IsAroHCP(ctx, hcpNamespace, managementOC.AdminKubeClient()); err != nil {
+			logrus.WithError(err).Warning("Failed to check if ARO HCP, assuming it's not")
+		} else if isAROHCPcluster {
+			i.notSupportedReason = "platform Hypershift - ARO HCP not supported"
+			return nil
+		}
+
+		parsedURL, err := url.Parse(i.adminRESTConfig.Host)
+		if err != nil {
+			return fmt.Errorf("failed to parse adminRESTConfig.Host %q: %v", i.adminRESTConfig.Host, err)
+		}
+		apiIntHost = parsedURL.Host
+	} else {
+		internalAPI, err := url.Parse(infra.Status.APIServerInternalURL)
+		if err != nil {
+			return fmt.Errorf("error parsing api int url: %v", err)
+		}
+		apiIntHost = internalAPI.Hostname()
 	}
-	apiIntHost := internalAPI.Hostname()
 
 	allNodes, err := i.kubeClient.CoreV1().Nodes().List(ctx, metav1.ListOptions{})
 	if err != nil {