kubernetes bootstrapsigner_test 源码

kubernetes bootstrapsigner_test 代码

文件路径：/pkg/controller/bootstrap/bootstrapsigner_test.go

/*
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 (
	"context"
	"testing"

	"github.com/davecgh/go-spew/spew"

	"k8s.io/api/core/v1"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"k8s.io/apimachinery/pkg/runtime/schema"
	"k8s.io/client-go/informers"
	coreinformers "k8s.io/client-go/informers/core/v1"
	"k8s.io/client-go/kubernetes/fake"
	core "k8s.io/client-go/testing"
	bootstrapapi "k8s.io/cluster-bootstrap/token/api"
	api "k8s.io/kubernetes/pkg/apis/core"
	"k8s.io/kubernetes/pkg/controller"
)

func init() {
	spew.Config.DisableMethods = true
}

const testTokenID = "abc123"

func newSigner() (*Signer, *fake.Clientset, coreinformers.SecretInformer, coreinformers.ConfigMapInformer, error) {
	options := DefaultSignerOptions()
	cl := fake.NewSimpleClientset()
	informers := informers.NewSharedInformerFactory(fake.NewSimpleClientset(), controller.NoResyncPeriodFunc())
	secrets := informers.Core().V1().Secrets()
	configMaps := informers.Core().V1().ConfigMaps()
	bsc, err := NewSigner(cl, secrets, configMaps, options)
	if err != nil {
		return nil, nil, nil, nil, err
	}
	return bsc, cl, secrets, configMaps, nil
}

func newConfigMap(tokenID, signature string) *v1.ConfigMap {
	ret := &v1.ConfigMap{
		ObjectMeta: metav1.ObjectMeta{
			Namespace:       metav1.NamespacePublic,
			Name:            bootstrapapi.ConfigMapClusterInfo,
			ResourceVersion: "1",
		},
		Data: map[string]string{
			bootstrapapi.KubeConfigKey: "payload",
		},
	}
	if len(tokenID) > 0 {
		ret.Data[bootstrapapi.JWSSignatureKeyPrefix+tokenID] = signature
	}
	return ret
}

func TestNoConfigMap(t *testing.T) {
	signer, cl, _, _, err := newSigner()
	if err != nil {
		t.Fatalf("error creating Signer: %v", err)
	}
	signer.signConfigMap(context.TODO())
	verifyActions(t, []core.Action{}, cl.Actions())
}

func TestSimpleSign(t *testing.T) {
	signer, cl, secrets, configMaps, err := newSigner()
	if err != nil {
		t.Fatalf("error creating Signer: %v", err)
	}

	cm := newConfigMap("", "")
	configMaps.Informer().GetIndexer().Add(cm)

	secret := newTokenSecret(testTokenID, "tokenSecret")
	addSecretSigningUsage(secret, "true")
	secrets.Informer().GetIndexer().Add(secret)

	signer.signConfigMap(context.TODO())

	expected := []core.Action{
		core.NewUpdateAction(schema.GroupVersionResource{Version: "v1", Resource: "configmaps"},
			api.NamespacePublic,
			newConfigMap(testTokenID, "eyJhbGciOiJIUzI1NiIsImtpZCI6ImFiYzEyMyJ9..QSxpUG7Q542CirTI2ECPSZjvBOJURUW5a7XqFpNI958")),
	}

	verifyActions(t, expected, cl.Actions())
}

func TestNoSignNeeded(t *testing.T) {
	signer, cl, secrets, configMaps, err := newSigner()
	if err != nil {
		t.Fatalf("error creating Signer: %v", err)
	}

	cm := newConfigMap(testTokenID, "eyJhbGciOiJIUzI1NiIsImtpZCI6ImFiYzEyMyJ9..QSxpUG7Q542CirTI2ECPSZjvBOJURUW5a7XqFpNI958")
	configMaps.Informer().GetIndexer().Add(cm)

	secret := newTokenSecret(testTokenID, "tokenSecret")
	addSecretSigningUsage(secret, "true")
	secrets.Informer().GetIndexer().Add(secret)

	signer.signConfigMap(context.TODO())

	verifyActions(t, []core.Action{}, cl.Actions())
}

func TestUpdateSignature(t *testing.T) {
	signer, cl, secrets, configMaps, err := newSigner()
	if err != nil {
		t.Fatalf("error creating Signer: %v", err)
	}

	cm := newConfigMap(testTokenID, "old signature")
	configMaps.Informer().GetIndexer().Add(cm)

	secret := newTokenSecret(testTokenID, "tokenSecret")
	addSecretSigningUsage(secret, "true")
	secrets.Informer().GetIndexer().Add(secret)

	signer.signConfigMap(context.TODO())

	expected := []core.Action{
		core.NewUpdateAction(schema.GroupVersionResource{Version: "v1", Resource: "configmaps"},
			api.NamespacePublic,
			newConfigMap(testTokenID, "eyJhbGciOiJIUzI1NiIsImtpZCI6ImFiYzEyMyJ9..QSxpUG7Q542CirTI2ECPSZjvBOJURUW5a7XqFpNI958")),
	}

	verifyActions(t, expected, cl.Actions())
}

func TestRemoveSignature(t *testing.T) {
	signer, cl, _, configMaps, err := newSigner()
	if err != nil {
		t.Fatalf("error creating Signer: %v", err)
	}

	cm := newConfigMap(testTokenID, "old signature")
	configMaps.Informer().GetIndexer().Add(cm)

	signer.signConfigMap(context.TODO())

	expected := []core.Action{
		core.NewUpdateAction(schema.GroupVersionResource{Version: "v1", Resource: "configmaps"},
			api.NamespacePublic,
			newConfigMap("", "")),
	}

	verifyActions(t, expected, cl.Actions())
}

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