e2e-framework-node: add runtimeclass to dedup code

Similar functionality is required across e2e tests for RuntimeClass.
Let's create runtimeclass as part of the framework/node package.

Signed-off-by: Eric Ernst <eric.ernst@intel.com>

test/e2e/framework/node/runtimeclass.go

@@ -0,0 +1,56 @@
+/*
+Copyright 2020 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package node
+
+import (
+	"fmt"
+
+	v1 "k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	imageutils "k8s.io/kubernetes/test/utils/image"
+	utilpointer "k8s.io/utils/pointer"
+)
+
+// PreconfiguredRuntimeClassHandler returns configured runtime handler.
+func PreconfiguredRuntimeClassHandler(handler string) string {
+	if handler == "docker" {
+		return handler
+	}
+
+	// test-handler is the name of the runtime handler that is expected to be
+	// preconfigured in the test environment.
+	return "test-handler"
+}
+
+// NewRuntimeClassPod returns a test pod with the given runtimeClassName
+func NewRuntimeClassPod(runtimeClassName string) *v1.Pod {
+	return &v1.Pod{
+		ObjectMeta: metav1.ObjectMeta{
+			GenerateName: fmt.Sprintf("test-runtimeclass-%s-", runtimeClassName),
+		},
+		Spec: v1.PodSpec{
+			RuntimeClassName: &runtimeClassName,
+			Containers: []v1.Container{{
+				Name:    "test",
+				Image:   imageutils.GetE2EImage(imageutils.BusyBox),
+				Command: []string{"true"},
+			}},
+			RestartPolicy:                v1.RestartPolicyNever,
+			AutomountServiceAccountToken: utilpointer.BoolPtr(false),
+		},
+	}
+}