Introduces BootstrapSigner controller

pkg/controller/bootstrap/bootstrapsigner_test.go

@@ -0,0 +1,137 @@
+/*
+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"
+
+	"github.com/davecgh/go-spew/spew"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/client-go/kubernetes/fake"
+	"k8s.io/client-go/pkg/api"
+	"k8s.io/client-go/pkg/api/v1"
+	core "k8s.io/client-go/testing"
+)
+
+func init() {
+	spew.Config.DisableMethods = true
+}
+
+func newBootstrapSigner() (*BootstrapSigner, *fake.Clientset) {
+	options := DefaultBootstrapSignerOptions()
+	cl := fake.NewSimpleClientset()
+	return NewBootstrapSigner(cl, options), cl
+}
+
+func newConfigMap(tokenID, signature string) *v1.ConfigMap {
+	ret := &v1.ConfigMap{
+		ObjectMeta: metav1.ObjectMeta{
+			Namespace:       metav1.NamespacePublic,
+			Name:            configMapClusterInfo,
+			ResourceVersion: "1",
+		},
+		Data: map[string]string{
+			kubeConfigKey: "payload",
+		},
+	}
+	if len(tokenID) > 0 {
+		ret.Data[signaturePrefix+tokenID] = signature
+	}
+	return ret
+}
+
+func TestNoConfigMap(t *testing.T) {
+	signer, cl := newBootstrapSigner()
+	signer.signConfigMap()
+	verifyActions(t, []core.Action{}, cl.Actions())
+}
+
+func TestSimpleSign(t *testing.T) {
+	signer, cl := newBootstrapSigner()
+
+	cm := newConfigMap("", "")
+	signer.configMaps.Add(cm)
+
+	secret := newTokenSecret("tokenID", "tokenSecret")
+	addSecretSigningUsage(secret, "true")
+	signer.secrets.Add(secret)
+
+	signer.signConfigMap()
+
+	expected := []core.Action{
+		core.NewUpdateAction(schema.GroupVersionResource{Version: "v1", Resource: "configmaps"},
+			api.NamespacePublic,
+			newConfigMap("tokenID", "eyJhbGciOiJIUzI1NiIsImtpZCI6InRva2VuSUQifQ..QAvK9DAjF0hSyASEkH1MOTB5rJMmbWEY9j-z1NSYILE")),
+	}
+
+	verifyActions(t, expected, cl.Actions())
+}
+
+func TestNoSignNeeded(t *testing.T) {
+	signer, cl := newBootstrapSigner()
+
+	cm := newConfigMap("tokenID", "eyJhbGciOiJIUzI1NiIsImtpZCI6InRva2VuSUQifQ..QAvK9DAjF0hSyASEkH1MOTB5rJMmbWEY9j-z1NSYILE")
+	signer.configMaps.Add(cm)
+
+	secret := newTokenSecret("tokenID", "tokenSecret")
+	addSecretSigningUsage(secret, "true")
+	signer.secrets.Add(secret)
+
+	signer.signConfigMap()
+
+	verifyActions(t, []core.Action{}, cl.Actions())
+}
+
+func TestUpdateSignature(t *testing.T) {
+	signer, cl := newBootstrapSigner()
+
+	cm := newConfigMap("tokenID", "old signature")
+	signer.configMaps.Add(cm)
+
+	secret := newTokenSecret("tokenID", "tokenSecret")
+	addSecretSigningUsage(secret, "true")
+	signer.secrets.Add(secret)
+
+	signer.signConfigMap()
+
+	expected := []core.Action{
+		core.NewUpdateAction(schema.GroupVersionResource{Version: "v1", Resource: "configmaps"},
+			api.NamespacePublic,
+			newConfigMap("tokenID", "eyJhbGciOiJIUzI1NiIsImtpZCI6InRva2VuSUQifQ..QAvK9DAjF0hSyASEkH1MOTB5rJMmbWEY9j-z1NSYILE")),
+	}
+
+	verifyActions(t, expected, cl.Actions())
+}
+
+func TestRemoveSignature(t *testing.T) {
+	signer, cl := newBootstrapSigner()
+
+	cm := newConfigMap("tokenID", "old signature")
+	signer.configMaps.Add(cm)
+
+	signer.signConfigMap()
+
+	expected := []core.Action{
+		core.NewUpdateAction(schema.GroupVersionResource{Version: "v1", Resource: "configmaps"},
+			api.NamespacePublic,
+			newConfigMap("", "")),
+	}
+
+	verifyActions(t, expected, cl.Actions())
+}