add rbac e2e utils

Author: demonCoder95

test/e2e/authorisation.go renamed to test/e2e/authorization.go

@@ -0,0 +1,38 @@
+package e2e
+
+import (
+	"context"
+	"fmt"
+
+	authv1 "k8s.io/api/authorization/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/client-go/kubernetes"
+	"k8s.io/client-go/tools/clientcmd"
+)
+
+func createSubjectAccessReview(ctx context.Context, cs kubernetes.Interface, sar authv1.SubjectAccessReview) (*authv1.SubjectAccessReview, error) {
+	return cs.AuthorizationV1().SubjectAccessReviews().Create(ctx, &sar, metav1.CreateOptions{})
+}
+
+func createLocalClient() (kubernetes.Interface, error) {
+	kubeconfigPath := "/workdir/test/e2e/kubeconfig"
+
+	// use the current context in kubeconfig
+	config, err := clientcmd.BuildConfigFromFlags("", kubeconfigPath)
+	if err != nil {
+		return nil, err
+	}
+
+	client, err := kubernetes.NewForConfig(config)
+	if err != nil {
+		return nil, fmt.Errorf("unable to create a client: %v", err)
+	}
+
+	return client, nil
+}
+
+type testCase struct {
+	name           string
+	sar            authv1.SubjectAccessReview
+	expectedStatus authv1.SubjectAccessReviewStatus
+}