made changes according to pr suggestion by @reggie-k (thanks)

Author: ATGardner

cmd/argocd/commands/admin/cluster.go

@@ -14,6 +14,7 @@ import (
 	"github.com/redis/go-redis/v9"
 	log "github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
+	corev1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/client-go/kubernetes"
 	"k8s.io/client-go/kubernetes/fake"
@@ -608,7 +609,31 @@ func NewGenClusterConfigCommand(pathOpts *clientcmd.PathOptions) *cobra.Command
 			clientConfig := clientcmd.NewDefaultClientConfig(*cfgAccess, &overrides)
 			conf, err := clientConfig.ClientConfig()
 			errors.CheckError(err)
-			kubeClientset := fake.NewClientset()
+			// Seed a minimal in-memory Argo CD environment so settings retrieval succeeds
+			argoCDCM := &corev1.ConfigMap{
+				TypeMeta: metav1.TypeMeta{Kind: "ConfigMap", APIVersion: "v1"},
+				ObjectMeta: metav1.ObjectMeta{
+					Name:      common.ArgoCDConfigMapName,
+					Namespace: ArgoCDNamespace,
+					Labels: map[string]string{
+						"app.kubernetes.io/part-of": "argocd",
+					},
+				},
+			}
+			argoCDSecret := &corev1.Secret{
+				TypeMeta: metav1.TypeMeta{Kind: "Secret", APIVersion: "v1"},
+				ObjectMeta: metav1.ObjectMeta{
+					Name:      common.ArgoCDSecretName,
+					Namespace: ArgoCDNamespace,
+					Labels: map[string]string{
+						"app.kubernetes.io/part-of": "argocd",
+					},
+				},
+				Data: map[string][]byte{
+					"server.secretkey": []byte("test"),
+				},
+			}
+			kubeClientset := fake.NewClientset(argoCDCM, argoCDSecret)
 
 			var awsAuthConf *v1alpha1.AWSAuthConfig
 			var execProviderConf *v1alpha1.ExecProviderConfig