+// Copyright (C) The Arvados Authors. All rights reserved.
+//
+// SPDX-License-Identifier: AGPL-3.0
+
package main
import (
"context"
"crypto/md5"
"encoding/base64"
+ "encoding/json"
"encoding/xml"
"flag"
"fmt"
"io/ioutil"
- "log"
"math/rand"
"net"
"net/http"
"testing"
"time"
- "github.com/curoverse/azure-sdk-for-go/storage"
+ "github.com/Azure/azure-sdk-for-go/storage"
+ "github.com/ghodss/yaml"
+ check "gopkg.in/check.v1"
)
const (
- // The same fake credentials used by Microsoft's Azure emulator
- emulatorAccountName = "devstoreaccount1"
- emulatorAccountKey = "Eby8vdM02xNOcqFlqUwJPLlmEtlCDXJ1OUzFT50uSRZ6IFsuFq2UVErCz4I6tq/K1SZFPTOtr/KBHBeksoGMGw=="
+ // This cannot be the fake account name "devstoreaccount1"
+ // used by Microsoft's Azure emulator: the Azure SDK
+ // recognizes that magic string and changes its behavior to
+ // cater to the Azure SDK's own test suite.
+ fakeAccountName = "fakeaccountname"
+ fakeAccountKey = "Eby8vdM02xNOcqFlqUwJPLlmEtlCDXJ1OUzFT50uSRZ6IFsuFq2UVErCz4I6tq/K1SZFPTOtr/KBHBeksoGMGw=="
)
var azureTestContainer string
return
}
+ if (r.Method == "PUT" || r.Method == "POST") && r.Header.Get("Content-Length") == "" {
+ rw.WriteHeader(http.StatusLengthRequired)
+ return
+ }
+
body, err := ioutil.ReadAll(r.Body)
if err != nil {
return
b := storage.Blob{
Name: hash,
Properties: storage.BlobProperties{
- LastModified: blob.Mtime.Format(time.RFC1123),
+ LastModified: storage.TimeRFC1123(blob.Mtime),
ContentLength: int64(len(blob.Data)),
Etag: blob.Etag,
},
// Connect to stub instead of real Azure storage service
stubURLBase := strings.Split(azStub.URL, "://")[1]
var err error
- if azClient, err = storage.NewClient(emulatorAccountName, emulatorAccountKey, stubURLBase, storage.DefaultAPIVersion, false); err != nil {
+ if azClient, err = storage.NewClient(fakeAccountName, fakeAccountKey, stubURLBase, storage.DefaultAPIVersion, false); err != nil {
t.Fatal(err)
}
container = "fakecontainername"
}
}
+ bs := azClient.GetBlobService()
v := &AzureBlobVolume{
ContainerName: container,
ReadOnly: readonly,
AzureReplication: replication,
azClient: azClient,
- bsClient: azClient.GetBlobService(),
+ container: &azureContainer{ctr: bs.GetContainerReference(container)},
}
return &TestableAzureBlobVolume{
}
}
+var _ = check.Suite(&StubbedAzureBlobSuite{})
+
+type StubbedAzureBlobSuite struct {
+ volume *TestableAzureBlobVolume
+ origHTTPTransport http.RoundTripper
+}
+
+func (s *StubbedAzureBlobSuite) SetUpTest(c *check.C) {
+ s.origHTTPTransport = http.DefaultTransport
+ http.DefaultTransport = &http.Transport{
+ Dial: (&azStubDialer{}).Dial,
+ }
+ azureWriteRaceInterval = time.Millisecond
+ azureWriteRacePollTime = time.Nanosecond
+
+ s.volume = NewTestableAzureBlobVolume(c, false, 3)
+}
+
+func (s *StubbedAzureBlobSuite) TearDownTest(c *check.C) {
+ s.volume.Teardown()
+ http.DefaultTransport = s.origHTTPTransport
+}
+
func TestAzureBlobVolumeWithGeneric(t *testing.T) {
defer func(t http.RoundTripper) {
http.DefaultTransport = t
}
gotHash := fmt.Sprintf("%x", md5.Sum(gotData))
if gotLen != size {
- t.Error("length mismatch: got %d != %d", gotLen, size)
+ t.Errorf("length mismatch: got %d != %d", gotLen, size)
}
if gotHash != hash {
- t.Error("hash mismatch: got %s != %s", gotHash, hash)
+ t.Errorf("hash mismatch: got %s != %s", gotHash, hash)
}
}
}
azureWriteRaceInterval = time.Second
azureWriteRacePollTime = time.Millisecond
- allDone := make(chan struct{})
+ var wg sync.WaitGroup
+
v.azHandler.race = make(chan chan struct{})
+
+ wg.Add(1)
go func() {
+ defer wg.Done()
err := v.Put(context.Background(), TestHash, TestBlock)
if err != nil {
t.Error(err)
continuePut := make(chan struct{})
// Wait for the stub's Put to create the empty blob
v.azHandler.race <- continuePut
+ wg.Add(1)
go func() {
+ defer wg.Done()
buf := make([]byte, len(TestBlock))
_, err := v.Get(context.Background(), TestHash, buf)
if err != nil {
t.Error(err)
}
- close(allDone)
}()
// Wait for the stub's Get to get the empty blob
close(v.azHandler.race)
// Allow stub's Put to continue, so the real data is ready
// when the volume's Get retries
<-continuePut
- // Wait for volume's Get to return the real data
- <-allDone
+ // Wait for Get() and Put() to finish
+ wg.Wait()
}
func TestAzureBlobVolumeCreateBlobRaceDeadline(t *testing.T) {
}
}
+func TestAzureBlobVolumeContextCancelGet(t *testing.T) {
+ testAzureBlobVolumeContextCancel(t, func(ctx context.Context, v *TestableAzureBlobVolume) error {
+ v.PutRaw(TestHash, TestBlock)
+ _, err := v.Get(ctx, TestHash, make([]byte, BlockSize))
+ return err
+ })
+}
+
+func TestAzureBlobVolumeContextCancelPut(t *testing.T) {
+ testAzureBlobVolumeContextCancel(t, func(ctx context.Context, v *TestableAzureBlobVolume) error {
+ return v.Put(ctx, TestHash, make([]byte, BlockSize))
+ })
+}
+
+func TestAzureBlobVolumeContextCancelCompare(t *testing.T) {
+ testAzureBlobVolumeContextCancel(t, func(ctx context.Context, v *TestableAzureBlobVolume) error {
+ v.PutRaw(TestHash, TestBlock)
+ return v.Compare(ctx, TestHash, TestBlock2)
+ })
+}
+
+func testAzureBlobVolumeContextCancel(t *testing.T, testFunc func(context.Context, *TestableAzureBlobVolume) error) {
+ defer func(t http.RoundTripper) {
+ http.DefaultTransport = t
+ }(http.DefaultTransport)
+ http.DefaultTransport = &http.Transport{
+ Dial: (&azStubDialer{}).Dial,
+ }
+
+ v := NewTestableAzureBlobVolume(t, false, 3)
+ defer v.Teardown()
+ v.azHandler.race = make(chan chan struct{})
+
+ ctx, cancel := context.WithCancel(context.Background())
+ allDone := make(chan struct{})
+ go func() {
+ defer close(allDone)
+ err := testFunc(ctx, v)
+ if err != context.Canceled {
+ t.Errorf("got %T %q, expected %q", err, err, context.Canceled)
+ }
+ }()
+ releaseHandler := make(chan struct{})
+ select {
+ case <-allDone:
+ t.Error("testFunc finished without waiting for v.azHandler.race")
+ case <-time.After(10 * time.Second):
+ t.Error("timed out waiting to enter handler")
+ case v.azHandler.race <- releaseHandler:
+ }
+
+ cancel()
+
+ select {
+ case <-time.After(10 * time.Second):
+ t.Error("timed out waiting to cancel")
+ case <-allDone:
+ }
+
+ go func() {
+ <-releaseHandler
+ }()
+}
+
+func (s *StubbedAzureBlobSuite) TestStats(c *check.C) {
+ stats := func() string {
+ buf, err := json.Marshal(s.volume.InternalStats())
+ c.Check(err, check.IsNil)
+ return string(buf)
+ }
+
+ c.Check(stats(), check.Matches, `.*"Ops":0,.*`)
+ c.Check(stats(), check.Matches, `.*"Errors":0,.*`)
+
+ loc := "acbd18db4cc2f85cedef654fccc4a4d8"
+ _, err := s.volume.Get(context.Background(), loc, make([]byte, 3))
+ c.Check(err, check.NotNil)
+ c.Check(stats(), check.Matches, `.*"Ops":[^0],.*`)
+ c.Check(stats(), check.Matches, `.*"Errors":[^0],.*`)
+ c.Check(stats(), check.Matches, `.*"storage\.AzureStorageServiceError 404 \(404 Not Found\)":[^0].*`)
+ c.Check(stats(), check.Matches, `.*"InBytes":0,.*`)
+
+ err = s.volume.Put(context.Background(), loc, []byte("foo"))
+ c.Check(err, check.IsNil)
+ c.Check(stats(), check.Matches, `.*"OutBytes":3,.*`)
+ c.Check(stats(), check.Matches, `.*"CreateOps":1,.*`)
+
+ _, err = s.volume.Get(context.Background(), loc, make([]byte, 3))
+ c.Check(err, check.IsNil)
+ _, err = s.volume.Get(context.Background(), loc, make([]byte, 3))
+ c.Check(err, check.IsNil)
+ c.Check(stats(), check.Matches, `.*"InBytes":6,.*`)
+}
+
+func (s *StubbedAzureBlobSuite) TestConfig(c *check.C) {
+ var cfg Config
+ err := yaml.Unmarshal([]byte(`
+Volumes:
+ - Type: Azure
+ StorageClasses: ["class_a", "class_b"]
+`), &cfg)
+
+ c.Check(err, check.IsNil)
+ c.Check(cfg.Volumes[0].GetStorageClasses(), check.DeepEquals, []string{"class_a", "class_b"})
+}
+
func (v *TestableAzureBlobVolume) PutRaw(locator string, data []byte) {
v.azHandler.PutRaw(v.ContainerName, locator, data)
}
projects / arvados.git / blobdiff