k8s.io/apiserver@v0.29.3/pkg/storage/storagebackend/factory/tls_test.go (about)

     1  /*
     2  Copyright 2016 The Kubernetes Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package factory
    18  
    19  import (
    20  	"context"
    21  	"io/ioutil"
    22  	"os"
    23  	"path"
    24  	"path/filepath"
    25  	"testing"
    26  
    27  	"go.etcd.io/etcd/client/pkg/v3/transport"
    28  	oteltrace "go.opentelemetry.io/otel/trace"
    29  
    30  	apitesting "k8s.io/apimachinery/pkg/api/apitesting"
    31  	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
    32  	"k8s.io/apimachinery/pkg/runtime"
    33  	"k8s.io/apimachinery/pkg/runtime/schema"
    34  	"k8s.io/apimachinery/pkg/runtime/serializer"
    35  	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
    36  	"k8s.io/apiserver/pkg/apis/example"
    37  	examplev1 "k8s.io/apiserver/pkg/apis/example/v1"
    38  	"k8s.io/apiserver/pkg/storage/etcd3/testing/testingcert"
    39  	"k8s.io/apiserver/pkg/storage/etcd3/testserver"
    40  	"k8s.io/apiserver/pkg/storage/storagebackend"
    41  )
    42  
    43  var scheme = runtime.NewScheme()
    44  var codecs = serializer.NewCodecFactory(scheme)
    45  
    46  func init() {
    47  	metav1.AddToGroupVersion(scheme, metav1.SchemeGroupVersion)
    48  	utilruntime.Must(example.AddToScheme(scheme))
    49  	utilruntime.Must(examplev1.AddToScheme(scheme))
    50  }
    51  
    52  func TestTLSConnection(t *testing.T) {
    53  	codec := apitesting.TestCodec(codecs, examplev1.SchemeGroupVersion)
    54  
    55  	certFile, keyFile, caFile := configureTLSCerts(t)
    56  	defer os.RemoveAll(filepath.Dir(certFile))
    57  
    58  	// override server config to be TLS-enabled
    59  	etcdConfig := testserver.NewTestConfig(t)
    60  	etcdConfig.ClientTLSInfo = transport.TLSInfo{
    61  		CertFile:      certFile,
    62  		KeyFile:       keyFile,
    63  		TrustedCAFile: caFile,
    64  	}
    65  	for i := range etcdConfig.ListenClientUrls {
    66  		etcdConfig.ListenClientUrls[i].Scheme = "https"
    67  	}
    68  	for i := range etcdConfig.AdvertiseClientUrls {
    69  		etcdConfig.AdvertiseClientUrls[i].Scheme = "https"
    70  	}
    71  
    72  	client := testserver.RunEtcd(t, etcdConfig)
    73  	cfg := storagebackend.Config{
    74  		Type: storagebackend.StorageTypeETCD3,
    75  		Transport: storagebackend.TransportConfig{
    76  			ServerList:     client.Endpoints(),
    77  			CertFile:       certFile,
    78  			KeyFile:        keyFile,
    79  			TrustedCAFile:  caFile,
    80  			TracerProvider: oteltrace.NewNoopTracerProvider(),
    81  		},
    82  		Codec: codec,
    83  	}
    84  	storage, destroyFunc, err := newETCD3Storage(*cfg.ForResource(schema.GroupResource{Resource: "pods"}), nil, nil, "")
    85  	defer destroyFunc()
    86  	if err != nil {
    87  		t.Fatal(err)
    88  	}
    89  	err = storage.Create(context.TODO(), "/abc", &example.Pod{}, nil, 0)
    90  	if err != nil {
    91  		t.Fatalf("Create failed: %v", err)
    92  	}
    93  }
    94  
    95  func configureTLSCerts(t *testing.T) (certFile, keyFile, caFile string) {
    96  	baseDir := os.TempDir()
    97  	tempDir, err := ioutil.TempDir(baseDir, "etcd_certificates")
    98  	if err != nil {
    99  		t.Fatal(err)
   100  	}
   101  	certFile = path.Join(tempDir, "etcdcert.pem")
   102  	if err := ioutil.WriteFile(certFile, []byte(testingcert.CertFileContent), 0644); err != nil {
   103  		t.Fatal(err)
   104  	}
   105  	keyFile = path.Join(tempDir, "etcdkey.pem")
   106  	if err := ioutil.WriteFile(keyFile, []byte(testingcert.KeyFileContent), 0644); err != nil {
   107  		t.Fatal(err)
   108  	}
   109  	caFile = path.Join(tempDir, "ca.pem")
   110  	if err := ioutil.WriteFile(caFile, []byte(testingcert.CAFileContent), 0644); err != nil {
   111  		t.Fatal(err)
   112  	}
   113  	return certFile, keyFile, caFile
   114  }