Move test/* to internal/test/*

This ensures this code cannot be imported by other repositories as this
is only intended for internal testing packages.

internal/test/e2e/framework/framework.go

@@ -0,0 +1,41 @@
+package framework
+
+import (
+	"k8s.io/client-go/kubernetes"
+	"k8s.io/client-go/rest"
+	"k8s.io/client-go/tools/clientcmd"
+)
+
+// Framework encapsulates the configuration for the current run, and provides helper methods to be used during testing.
+type Framework struct {
+	KubeClient kubernetes.Interface
+	Namespace  string
+	NodeName   string
+}
+
+// NewTestingFramework returns a new instance of the testing framework.
+func NewTestingFramework(kubeconfig, namespace, nodeName string) *Framework {
+	return &Framework{
+		KubeClient: createKubeClient(kubeconfig),
+		Namespace:  namespace,
+		NodeName:   nodeName,
+	}
+}
+
+// createKubeClient creates a new Kubernetes client based on the specified kubeconfig file.
+// If no value for kubeconfig is specified, in-cluster configuration is assumed.
+func createKubeClient(kubeconfig string) *kubernetes.Clientset {
+	var (
+		cfg *rest.Config
+		err error
+	)
+	if kubeconfig == "" {
+		cfg, err = rest.InClusterConfig()
+	} else {
+		cfg, err = clientcmd.BuildConfigFromFlags("", kubeconfig)
+	}
+	if err != nil {
+		panic(err)
+	}
+	return kubernetes.NewForConfigOrDie(cfg)
+}