Introduce TokenCleaner to clean out expired bootstrap tokens

pkg/controller/bootstrap/tokencleaner_test.go

@@ -0,0 +1,85 @@
+/*
+Copyright 2016 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 bootstrap
+
+import (
+	"testing"
+	"time"
+
+	"github.com/davecgh/go-spew/spew"
+
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/client-go/kubernetes/fake"
+	"k8s.io/client-go/pkg/api"
+	core "k8s.io/client-go/testing"
+)
+
+func init() {
+	spew.Config.DisableMethods = true
+}
+
+func newTokenCleaner() (*TokenCleaner, *fake.Clientset) {
+	options := DefaultTokenCleanerOptions()
+	cl := fake.NewSimpleClientset()
+	return NewTokenCleaner(cl, options), cl
+}
+
+func TestCleanerNoExpiration(t *testing.T) {
+	cleaner, cl := newTokenCleaner()
+
+	secret := newTokenSecret("tokenID", "tokenSecret")
+	cleaner.secrets.Add(secret)
+
+	cleaner.evalSecret(secret)
+
+	expected := []core.Action{}
+
+	verifyActions(t, expected, cl.Actions())
+}
+
+func TestCleanerExpired(t *testing.T) {
+	cleaner, cl := newTokenCleaner()
+
+	secret := newTokenSecret("tokenID", "tokenSecret")
+	addSecretExpiration(secret, timeString(-time.Hour))
+	cleaner.secrets.Add(secret)
+
+	cleaner.evalSecret(secret)
+
+	expected := []core.Action{
+		core.NewDeleteAction(
+			schema.GroupVersionResource{Version: "v1", Resource: "secrets"},
+			api.NamespaceSystem,
+			secret.ObjectMeta.Name),
+	}
+
+	verifyActions(t, expected, cl.Actions())
+}
+
+func TestCleanerNotExpired(t *testing.T) {
+	cleaner, cl := newTokenCleaner()
+
+	secret := newTokenSecret("tokenID", "tokenSecret")
+	addSecretExpiration(secret, timeString(time.Hour))
+	cleaner.secrets.Add(secret)
+
+	cleaner.evalSecret(secret)
+
+	expected := []core.Action{}
+
+	verifyActions(t, expected, cl.Actions())
+}