Exemplo n.º 1
0
 protected String GetTitle(Uri blobURI)
 {
     //returns the title of the file from the Blob metadata
     CloudBlockBlob blob = new CloudBlockBlob(blobURI);
     blob.FetchAttributes();
     return blob.Metadata["Title"];
 }
Exemplo n.º 2
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        public void revertFromSnapshot(CloudBlockBlob blobRef, CloudBlockBlob snapshot)
        {
            try
            {

                    blobRef.StartCopyFromBlob(snapshot);
                    DateTime timestamp = DateTime.Now;
                    blobRef.FetchAttributes();
                    snapshot.FetchAttributes();
                    string time = snapshot.Metadata["timestamp"];
                    blobRef.Metadata["timestamp"] = timestamp.ToUniversalTime().ToString("MM/dd/yyyy HH:mm:ss");
                    blobRef.SetMetadata();
                    blobRef.CreateSnapshot();
                    //System.Windows.Forms.MessageBox.Show("revert success");

                    Program.ClientForm.addtoConsole("Successfully Reverted with time: " + time);
                    Program.ClientForm.ballon("Successfully Reverted! ");

            }
            catch (Exception e)
            {
                Program.ClientForm.addtoConsole("Exception:" + e.Message);
                //System.Windows.Forms.MessageBox.Show(e.ToString());
            }
        }
Exemplo n.º 3
0
 protected String GetInstanceIndex(Uri blobURI)
 {
     //returns the Worker role's index from the Blob metadata
     CloudBlockBlob blob = new CloudBlockBlob(blobURI);
     blob.FetchAttributes();
     return blob.Metadata["InstanceNo"];
 }
        /// <summary>
        /// Creates an archived copy of the original package blob if it doesn't already exist.
        /// </summary>
        private void ArchiveOriginalPackageBlob(CloudBlockBlob originalPackageBlob, CloudBlockBlob latestPackageBlob)
        {
            // Copy the blob to backup only if it isn't already successfully copied
            if ((!originalPackageBlob.Exists()) || (originalPackageBlob.CopyState != null && originalPackageBlob.CopyState.Status != CopyStatus.Success))
            {
                if (!WhatIf)
                {
                    Log.Info("Backing up blob: {0} to {1}", latestPackageBlob.Name, originalPackageBlob.Name);
                    originalPackageBlob.StartCopyFromBlob(latestPackageBlob);
                    CopyState state = originalPackageBlob.CopyState;

                    for (int i = 0; (state == null || state.Status == CopyStatus.Pending) && i < SleepTimes.Length; i++)
                    {
                        Log.Info("(sleeping for a copy completion)");
                        Thread.Sleep(SleepTimes[i]); 
                        originalPackageBlob.FetchAttributes(); // To get a refreshed CopyState

                        //refresh state
                        state = originalPackageBlob.CopyState;
                    }

                    if (state.Status != CopyStatus.Success)
                    {
                        string msg = string.Format("Blob copy failed: CopyState={0}", state.StatusDescription);
                        Log.Error("(error) " + msg);
                        throw new BlobBackupFailedException(msg);
                    }
                }
            }
        }
 public static bool Exists(CloudBlockBlob blob)
 {
     try
     {
         blob.FetchAttributes();
         return true;
     }
     catch (StorageException)
     {
         return false;
     }
 }
Exemplo n.º 6
0
        public void CloudBlockBlobCopyTestWithMetadataOverride()
        {
            CloudBlobContainer container = GetRandomContainerReference();

            try
            {
                container.Create();

                CloudBlockBlob source = container.GetBlockBlobReference("source");

                string data = "String data";
                UploadText(source, data, Encoding.UTF8);

                source.Metadata["Test"] = "value";
                source.SetMetadata();

                CloudBlockBlob copy = container.GetBlockBlobReference("copy");
                copy.Metadata["Test2"] = "value2";
                string copyId = copy.StartCopyFromBlob(TestHelper.Defiddler(source));
                WaitForCopy(copy);
                Assert.AreEqual(CopyStatus.Success, copy.CopyState.Status);
                Assert.AreEqual(source.Uri.AbsolutePath, copy.CopyState.Source.AbsolutePath);
                Assert.AreEqual(data.Length, copy.CopyState.TotalBytes);
                Assert.AreEqual(data.Length, copy.CopyState.BytesCopied);
                Assert.AreEqual(copyId, copy.CopyState.CopyId);
                Assert.IsTrue(copy.CopyState.CompletionTime > DateTimeOffset.UtcNow.Subtract(TimeSpan.FromMinutes(1)));

                string copyData = DownloadText(copy, Encoding.UTF8);
                Assert.AreEqual(data, copyData, "Data inside copy of blob not similar");

                copy.FetchAttributes();
                source.FetchAttributes();
                BlobProperties prop1 = copy.Properties;
                BlobProperties prop2 = source.Properties;

                Assert.AreEqual(prop1.CacheControl, prop2.CacheControl);
                Assert.AreEqual(prop1.ContentEncoding, prop2.ContentEncoding);
                Assert.AreEqual(prop1.ContentLanguage, prop2.ContentLanguage);
                Assert.AreEqual(prop1.ContentMD5, prop2.ContentMD5);
                Assert.AreEqual(prop1.ContentType, prop2.ContentType);

                Assert.AreEqual("value2", copy.Metadata["Test2"], false, "Copied metadata not same");
                Assert.IsFalse(copy.Metadata.ContainsKey("Test"), "Source Metadata should not appear in destination blob");

                copy.Delete();
            }
            finally
            {
                container.DeleteIfExists();
            }
        }
Exemplo n.º 7
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        public void BlockBlobWriteStreamOneByteTest()
        {
            byte buffer = 127;

            MD5 hasher = MD5.Create();
            CloudBlobContainer container = GetRandomContainerReference();

            container.ServiceClient.ParallelOperationThreadCount = 2;
            try
            {
                container.Create();

                CloudBlockBlob blob = container.GetBlockBlobReference("blob1");
                blob.StreamWriteSizeInBytes = 16 * 1024;
                using (MemoryStream wholeBlob = new MemoryStream())
                {
                    BlobRequestOptions options = new BlobRequestOptions()
                    {
                        StoreBlobContentMD5 = true,
                    };
                    using (Stream blobStream = blob.OpenWrite(null, options))
                    {
                        for (int i = 0; i < 1 * 1024 * 1024; i++)
                        {
                            blobStream.WriteByte(buffer);
                            wholeBlob.WriteByte(buffer);
                            Assert.AreEqual(wholeBlob.Position, blobStream.Position);
                        }
                    }

                    wholeBlob.Seek(0, SeekOrigin.Begin);
                    string md5 = Convert.ToBase64String(hasher.ComputeHash(wholeBlob));
                    blob.FetchAttributes();
                    Assert.AreEqual(md5, blob.Properties.ContentMD5);

                    using (MemoryStream downloadedBlob = new MemoryStream())
                    {
                        blob.DownloadToStream(downloadedBlob);
                        TestHelper.AssertStreamsAreEqual(wholeBlob, downloadedBlob);
                    }
                }
            }
            finally
            {
                container.DeleteIfExists();
            }
        }
Exemplo n.º 8
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        private void PrefixEscapingTest(string prefix, string blobName)
        {
            CloudBlobClient    service   = GenerateCloudBlobClient();
            CloudBlobContainer container = GetRandomContainerReference();

            try
            {
                container.Create();
                string text = Guid.NewGuid().ToString();

                // Create from CloudBlobContainer.
                CloudBlockBlob originalBlob = container.GetBlockBlobReference(prefix + "/" + blobName);
                originalBlob.PutBlockList(new string[] { });

                // List blobs from container.
                IListBlobItem blobFromContainerListingBlobs = container.ListBlobs(null, true).First();
                Assert.AreEqual(originalBlob.Uri, blobFromContainerListingBlobs.Uri);

                CloudBlockBlob uriBlob = new CloudBlockBlob(originalBlob.Uri, service.Credentials);

                // Check Name
                Assert.AreEqual <string>(prefix + "/" + blobName, originalBlob.Name);
                Assert.AreEqual <string>(prefix + "/" + blobName, uriBlob.Name);

                // Absolute URI access from CloudBlockBlob
                CloudBlockBlob blobInfo = new CloudBlockBlob(originalBlob.Uri, service.Credentials);
                blobInfo.FetchAttributes();

                // Access from CloudBlobDirectory
                CloudBlobDirectory cloudBlobDirectory         = container.GetDirectoryReference(prefix);
                CloudBlockBlob     blobFromCloudBlobDirectory = cloudBlobDirectory.GetBlockBlobReference(blobName);
                Assert.AreEqual(blobInfo.Uri, blobFromCloudBlobDirectory.Uri);

                // Copy blob verification.
                CloudBlockBlob copyBlob = container.GetBlockBlobReference(prefix + "/" + blobName + "copy");
                copyBlob.StartCopyFromBlob(blobInfo.Uri);
                copyBlob.FetchAttributes();
            }
            finally
            {
                container.Delete();
            }
        }
Exemplo n.º 9
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        public void CloudBlobSASUnknownParams()
        {
            CloudBlobContainer container = GetRandomContainerReference();

            try
            {
                container.Create();

                // Create Source on server
                CloudBlockBlob blob = container.GetBlockBlobReference("source");

                string data = "String data";
                UploadText(blob, data, Encoding.UTF8);

                UriBuilder blobURIBuilder = new UriBuilder(blob.Uri);
                blobURIBuilder.Query = "MyQuery=value&YOURQUERY=value2"; // Add the query params unknown to the service

                // Source SAS must have read permissions
                SharedAccessBlobPermissions permissions = SharedAccessBlobPermissions.Read;
                SharedAccessBlobPolicy      policy      = new SharedAccessBlobPolicy()
                {
                    SharedAccessStartTime  = DateTimeOffset.UtcNow.AddMinutes(-5),
                    SharedAccessExpiryTime = DateTimeOffset.UtcNow.AddMinutes(30),
                    Permissions            = permissions,
                };
                string sasToken = blob.GetSharedAccessSignature(policy);

                // Replace one of the SAS keys with a capitalized version to ensure we are case-insensitive on expected parameter keys as well
                StorageCredentials credentials = new StorageCredentials(sasToken);
                StringBuilder      sasString   = new StringBuilder(credentials.TransformUri(blobURIBuilder.Uri).ToString());
                sasString.Replace("sp=", "SP=");
                CloudBlockBlob sasBlob = new CloudBlockBlob(new Uri(sasString.ToString()));

                // Validate that we can fetch the attributes on the blob (no exception thrown)
                sasBlob.FetchAttributes();
            }
            finally
            {
                container.DeleteIfExists();
            }
        }
Exemplo n.º 10
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        public void BlobWriteStreamOpenAndClose()
        {
            CloudBlobContainer container = GetRandomContainerReference();

            try
            {
                container.Create();

                CloudBlockBlob blockBlob = container.GetBlockBlobReference("blob1");
                using (Stream blobStream = blockBlob.OpenWrite())
                {
                }

                CloudBlockBlob blockBlob2 = container.GetBlockBlobReference("blob1");
                blockBlob2.FetchAttributes();
                Assert.AreEqual(0, blockBlob2.Properties.Length);
                Assert.AreEqual(BlobType.BlockBlob, blockBlob2.Properties.BlobType);

                CloudPageBlob pageBlob = container.GetPageBlobReference("blob2");
                TestHelper.ExpectedException(
                    () => pageBlob.OpenWrite(null),
                    "Opening a page blob stream with no size should fail on a blob that does not exist",
                    HttpStatusCode.NotFound);
                using (Stream blobStream = pageBlob.OpenWrite(1024))
                {
                }
                using (Stream blobStream = pageBlob.OpenWrite(null))
                {
                }

                CloudPageBlob pageBlob2 = container.GetPageBlobReference("blob2");
                pageBlob2.FetchAttributes();
                Assert.AreEqual(1024, pageBlob2.Properties.Length);
                Assert.AreEqual(BlobType.PageBlob, pageBlob2.Properties.BlobType);
            }
            finally
            {
                container.Delete();
            }
        }
Exemplo n.º 11
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        /// <summary>
        /// Test blob writing, expecting success.
        /// </summary>
        /// <param name="testBlob">The blob to test.</param>
        /// <param name="sourceBlob">A blob to use as the source of a copy.</param>
        /// <param name="testAccessCondition">The access condition to use.</param>
        private void BlobWriteExpectLeaseSuccess(CloudBlockBlob testBlob, CloudBlob sourceBlob, AccessCondition testAccessCondition)
        {
            testBlob.SetMetadata(testAccessCondition, null /* options */);
            testBlob.SetProperties(testAccessCondition, null /* options */);
            UploadText(testBlob, "No Problem", Encoding.UTF8, testAccessCondition, null /* options */);
            testBlob.StartCopy(TestHelper.Defiddler(sourceBlob.Uri), null /* source access condition */, testAccessCondition, null /* options */);

            while (testBlob.CopyState.Status == CopyStatus.Pending)
            {
                Thread.Sleep(1000);
                testBlob.FetchAttributes();
            }

            Stream stream = testBlob.OpenWrite(testAccessCondition, null /* options */);
            stream.WriteByte(0);
            stream.Flush();

            testBlob.Delete(DeleteSnapshotsOption.None, testAccessCondition, null /* options */);
        }
Exemplo n.º 12
0
        public void BlockBlobWriteStreamBasicTestAPM()
        {
            byte[] buffer = GetRandomBuffer(1024 * 1024);

            MD5             hasher     = MD5.Create();
            CloudBlobClient blobClient = GenerateCloudBlobClient();

            blobClient.ParallelOperationThreadCount = 4;
            string             name      = GetRandomContainerName();
            CloudBlobContainer container = blobClient.GetContainerReference(name);

            try
            {
                container.Create();

                CloudBlockBlob blob = container.GetBlockBlobReference("blob1");
                blob.StreamWriteSizeInBytes = buffer.Length;
                using (MemoryStream wholeBlob = new MemoryStream())
                {
                    BlobRequestOptions options = new BlobRequestOptions()
                    {
                        StoreBlobContentMD5 = true,
                    };
                    using (Stream blobStream = blob.OpenWrite(null, options))
                    {
                        IAsyncResult[] results = new IAsyncResult[blobClient.ParallelOperationThreadCount * 2];
                        for (int i = 0; i < results.Length; i++)
                        {
                            results[i] = blobStream.BeginWrite(buffer, 0, buffer.Length, null, null);
                            wholeBlob.Write(buffer, 0, buffer.Length);
                            Assert.AreEqual(wholeBlob.Position, blobStream.Position);
                        }
                        for (int i = 0; i < blobClient.ParallelOperationThreadCount; i++)
                        {
                            Assert.IsTrue(results[i].IsCompleted);
                        }
                        for (int i = blobClient.ParallelOperationThreadCount; i < results.Length; i++)
                        {
                            Assert.IsFalse(results[i].IsCompleted);
                        }
                        for (int i = 0; i < results.Length; i++)
                        {
                            blobStream.EndWrite(results[i]);
                        }
                    }

                    wholeBlob.Seek(0, SeekOrigin.Begin);
                    string md5 = Convert.ToBase64String(hasher.ComputeHash(wholeBlob));
                    blob.FetchAttributes();
                    Assert.AreEqual(md5, blob.Properties.ContentMD5);

                    using (MemoryStream downloadedBlob = new MemoryStream())
                    {
                        blob.DownloadToStream(downloadedBlob);
                        TestHelper.AssertStreamsAreEqual(wholeBlob, downloadedBlob);
                    }
                }
            }
            finally
            {
                container.DeleteIfExists();
            }
        }
        public AzurePackage ReadFromMetadata(CloudBlockBlob blob)
        {
            blob.FetchAttributes();
            var package = new AzurePackage();

            package.Id = blob.Metadata["Id"];
            package.Version = new SemanticVersion(blob.Metadata["Version"]);
            if (blob.Metadata.ContainsKey("Title"))
            {
                package.Title = blob.Metadata["Title"];
            }
            if (blob.Metadata.ContainsKey("Authors"))
            {
                package.Authors = blob.Metadata["Authors"].Split(',');
            }
            if (blob.Metadata.ContainsKey("Owners"))
            {
                package.Owners = blob.Metadata["Owners"].Split(',');
            }
            if (blob.Metadata.ContainsKey("IconUrl"))
            {
                package.IconUrl = new Uri(blob.Metadata["IconUrl"]);
            }
            if (blob.Metadata.ContainsKey("LicenseUrl"))
            {
                package.LicenseUrl = new Uri(blob.Metadata["LicenseUrl"]);
            }
            if (blob.Metadata.ContainsKey("ProjectUrl"))
            {
                package.ProjectUrl = new Uri(blob.Metadata["ProjectUrl"]);
            }
            package.RequireLicenseAcceptance = blob.Metadata["RequireLicenseAcceptance"].ToBool();
            package.DevelopmentDependency = blob.Metadata["DevelopmentDependency"].ToBool();
            if (blob.Metadata.ContainsKey("Description"))
            {
                package.Description = blob.Metadata["Description"];
            }
            if (blob.Metadata.ContainsKey("Summary"))
            {
                package.Summary = blob.Metadata["Summary"];
            }
            if (blob.Metadata.ContainsKey("ReleaseNotes"))
            {
                package.ReleaseNotes = blob.Metadata["ReleaseNotes"];
            }
            if (blob.Metadata.ContainsKey("Tags"))
            {
                package.Tags = blob.Metadata["Tags"];
            }
            var dependencySetContent = blob.Metadata["Dependencies"];
            dependencySetContent = this.Base64Decode(dependencySetContent);
            package.DependencySets = dependencySetContent
                .FromJson<IEnumerable<AzurePackageDependencySet>>()
                .Select(x => new PackageDependencySet(x.TargetFramework, x.Dependencies));
            package.IsAbsoluteLatestVersion = blob.Metadata["IsAbsoluteLatestVersion"].ToBool();
            package.IsLatestVersion = blob.Metadata["IsLatestVersion"].ToBool();
            if (blob.Metadata.ContainsKey("MinClientVersion"))
            {
                package.MinClientVersion = new Version(blob.Metadata["MinClientVersion"]);
            }
            package.Listed = blob.Metadata["Listed"].ToBool();

            return package;
        }
Exemplo n.º 14
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 private void DownloadBlobInParallel(CloudBlockBlob blob, Stream stream)
 {
     try
     {
         blob.FetchAttributes();
         blob.ServiceClient.ParallelOperationThreadCount = NumberOfIOThreads;
         blob.DownloadToStream(stream);
         stream.Seek(0, SeekOrigin.Begin);
     }
     catch (StorageException ex)
     {
         logger.Warn(ex.Message);
     }
 }
Exemplo n.º 15
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        public AzurePackage ReadFromMetadata(CloudBlockBlob blob)
        {
            blob.FetchAttributes();
            var package = new AzurePackage();

            package.Id = blob.Metadata[PkgConsts.Id];
            package.Version = new SemanticVersion(blob.Metadata[PkgConsts.Version]);
            if (blob.Metadata.ContainsKey(PkgConsts.Title))
            {
                package.Title = blob.Metadata[PkgConsts.Title];
            }
            if (blob.Metadata.ContainsKey(PkgConsts.Authors))
            {
                package.Authors = blob.Metadata[PkgConsts.Authors].Split(',');
            }
            if (blob.Metadata.ContainsKey(PkgConsts.Owners))
            {
                package.Owners = blob.Metadata[PkgConsts.Owners].Split(',');
            }
            if (blob.Metadata.ContainsKey(PkgConsts.IconUrl))
            {
                package.IconUrl = new Uri(blob.Metadata[PkgConsts.IconUrl]);
            }
            if (blob.Metadata.ContainsKey(PkgConsts.LicenseUrl))
            {
                package.LicenseUrl = new Uri(blob.Metadata[PkgConsts.LicenseUrl]);
            }
            if (blob.Metadata.ContainsKey(PkgConsts.ProjectUrl))
            {
                package.ProjectUrl = new Uri(blob.Metadata[PkgConsts.ProjectUrl]);
            }
            if (blob.Metadata.ContainsKey(PkgConsts.Language))
            {
                package.Language = blob.Metadata[PkgConsts.Language];
            }
            if (blob.Metadata.ContainsKey(PkgConsts.Copyright))
            {
                package.Copyright = Base64Decode(blob.Metadata[PkgConsts.Copyright]);
            }
            if (blob.Metadata.ContainsKey(PkgConsts.ReportAbuseUrl))
            {
                package.ReportAbuseUrl = new Uri(blob.Metadata[PkgConsts.ReportAbuseUrl]);
            }
            package.DownloadCount = Convert.ToInt32(blob.Metadata[PkgConsts.DownloadCount]);
            package.RequireLicenseAcceptance = blob.Metadata[PkgConsts.RequireLicenseAcceptance].ToBool();
            package.DevelopmentDependency = blob.Metadata[PkgConsts.DevelopmentDependency].ToBool();
            if (blob.Metadata.ContainsKey(PkgConsts.Description))
            {
                package.Description = Base64Decode(blob.Metadata[PkgConsts.Description]);
            }
            if (blob.Metadata.ContainsKey(PkgConsts.Summary))
            {
                package.Summary = Base64Decode(blob.Metadata[PkgConsts.Summary]);
            }
            if (blob.Metadata.ContainsKey(PkgConsts.ReleaseNotes))
            {
                package.ReleaseNotes = Base64Decode(blob.Metadata[PkgConsts.ReleaseNotes]);
            }
            if (blob.Metadata.ContainsKey(PkgConsts.Tags))
            {
                package.Tags = blob.Metadata[PkgConsts.Tags];
            }
            var dependencySetContent = Base64Decode(blob.Metadata[PkgConsts.Dependencies]);

            package.DependencySets = dependencySetContent
                .FromJson<IEnumerable<AzurePackageDependencySet>>()
                .Select(x => new PackageDependencySet(x.TargetFramework, x.Dependencies));

            package.FrameworkAssemblies = blob.Metadata[PkgConsts.FrameworkAssemblies]
                .FromJson<IEnumerable<AzureFrameworkAssemblyReference>>()
                .Select(x => x.GetFrameworkAssemblyReference())
                .ToList();

            package.PackageAssemblyReferences = blob.Metadata[PkgConsts.PackageAssemblyReferences]
                .FromJson<Collection<AzurePackageReferenceSet>>()
                .Select(x => x.GetReferenceSet())
                .ToList();

            package.AssemblyReferences = blob.Metadata[PkgConsts.AssemblyReferences]
                .FromJson<IEnumerable<AzureDtoAssemblyReference>>()
                .Select(x => x.GetAzureAssemblyReference())
                .ToList();


            package.IsAbsoluteLatestVersion = blob.Metadata[PkgConsts.IsAbsoluteLatestVersion].ToBool();
            package.IsLatestVersion = blob.Metadata[PkgConsts.IsLatestVersion].ToBool();
            if (blob.Metadata.ContainsKey(PkgConsts.MinClientVersion))
            {
                package.MinClientVersion = new Version(blob.Metadata[PkgConsts.MinClientVersion]);
            }
            if (blob.Metadata.ContainsKey(PkgConsts.Published))
            {
                package.Published = DateTimeOffset.Parse(blob.Metadata[PkgConsts.Published]);
            }
            package.Listed = blob.Metadata[PkgConsts.Listed].ToBool();

            return package;
        }
Exemplo n.º 16
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 public AzureBlobFileStorage(CloudBlockBlob blob, string rootPath, bool fetchAttributes = false) {
     _blob = blob;
     if(fetchAttributes)
         _blob.FetchAttributes();
     _rootPath = rootPath;
 }
Exemplo n.º 17
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        public void CloudBlockBlobCopyTestAPM()
        {
            CloudBlobContainer container = GetRandomContainerReference();
            try
            {
                container.Create();

                CloudBlockBlob source = container.GetBlockBlobReference("source");

                string data = "String data";
                UploadText(source, data, Encoding.UTF8);

                source.Metadata["Test"] = "value";
                source.SetMetadata();

                CloudBlockBlob copy = container.GetBlockBlobReference("copy");
                using (AutoResetEvent waitHandle = new AutoResetEvent(false))
                {
                    IAsyncResult result = copy.BeginStartCopyFromBlob(TestHelper.Defiddler(source),
                        ar => waitHandle.Set(),
                        null);
                    waitHandle.WaitOne();
                    string copyId = copy.EndStartCopyFromBlob(result);
                    WaitForCopy(copy);
                    Assert.AreEqual(CopyStatus.Success, copy.CopyState.Status);
                    Assert.AreEqual(source.Uri.AbsolutePath, copy.CopyState.Source.AbsolutePath);
                    Assert.AreEqual(data.Length, copy.CopyState.TotalBytes);
                    Assert.AreEqual(data.Length, copy.CopyState.BytesCopied);
                    Assert.AreEqual(copyId, copy.CopyState.CopyId);
                    Assert.IsTrue(copy.CopyState.CompletionTime > DateTimeOffset.UtcNow.Subtract(TimeSpan.FromMinutes(1)));

                    result = copy.BeginAbortCopy(copyId,
                        ar => waitHandle.Set(),
                        null);
                    waitHandle.WaitOne();
                    TestHelper.ExpectedException(
                        () => copy.EndAbortCopy(result),
                        "Aborting a copy operation after completion should fail",
                        HttpStatusCode.Conflict,
                        "NoPendingCopyOperation");
                }

                source.FetchAttributes();
                Assert.IsNotNull(copy.Properties.ETag);
                Assert.AreNotEqual(source.Properties.ETag, copy.Properties.ETag);
                Assert.IsTrue(copy.Properties.LastModified > DateTimeOffset.UtcNow.Subtract(TimeSpan.FromMinutes(1)));

                string copyData = DownloadText(copy, Encoding.UTF8);
                Assert.AreEqual(data, copyData, "Data inside copy of blob not similar");

                copy.FetchAttributes();
                BlobProperties prop1 = copy.Properties;
                BlobProperties prop2 = source.Properties;

                Assert.AreEqual(prop1.CacheControl, prop2.CacheControl);
                Assert.AreEqual(prop1.ContentEncoding, prop2.ContentEncoding);
                Assert.AreEqual(prop1.ContentLanguage, prop2.ContentLanguage);
                Assert.AreEqual(prop1.ContentMD5, prop2.ContentMD5);
                Assert.AreEqual(prop1.ContentType, prop2.ContentType);

                Assert.AreEqual("value", copy.Metadata["Test"], false, "Copied metadata not same");

                copy.Delete();
            }
            finally
            {
                container.DeleteIfExists();
            }
        }
Exemplo n.º 18
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        /// <summary>
        /// Test blob reads, expecting lease failure.
        /// </summary>
        /// <param name="testBlob">The blob to test.</param>
        /// <param name="targetBlob">The blob to use for the target of copy operations.</param>
        /// <param name="testAccessCondition">The failing access condition to use.</param>
        /// <param name="expectedErrorCode">The expected error code.</param>
        /// <param name="description">The reason why these calls should fail.</param>
        private void BlobReadExpectLeaseFailure(CloudBlockBlob testBlob, CloudBlockBlob targetBlob, AccessCondition testAccessCondition, HttpStatusCode expectedStatusCode, string expectedErrorCode, string description)
        {
            // FetchAttributes is a HEAD request with no extended error info, so it returns with the generic ConditionFailed error code.
            TestHelper.ExpectedException(
                () => testBlob.FetchAttributes(testAccessCondition, null /* options */),
                description + "(Fetch Attributes)",
                HttpStatusCode.PreconditionFailed);

            TestHelper.ExpectedException(
                () => testBlob.Snapshot(null /* metadata */, testAccessCondition, null /* options */),
                description + " (Create Snapshot)",
                expectedStatusCode,
                expectedErrorCode);
            TestHelper.ExpectedException(
                () => DownloadText(testBlob, Encoding.UTF8, testAccessCondition, null /* options */),
                description + " (Download Text)",
                expectedStatusCode,
                expectedErrorCode);

            TestHelper.ExpectedException(
                () => testBlob.OpenRead(testAccessCondition, null /* options */),
                description + " (Read Stream)",
                expectedStatusCode/*,
                expectedErrorCode*/);
        }
 private static bool IsBlobAged(CloudBlockBlob blob, DateTime olderThanUtc)
 {
     try
     {
         blob.FetchAttributes();
         return blob.Properties.LastModified < olderThanUtc;
     }
     catch (StorageException e)
     {
         throw new BlobException(string.Format(CultureInfo.InvariantCulture, "Could not FetchAttributes or examine LastModified from properties for blob named '{0}' to see if it is aged older than '{1}' (UTC).  See inner exception for details.", blob.Name, olderThanUtc.ToString()), e);
     }
 }
Exemplo n.º 20
0
        private static void CloudBlockBlobCopy(bool sourceIsSas, bool destinationIsSas)
        {
            CloudBlobContainer container = GetRandomContainerReference();

            try
            {
                container.Create();

                // Create Source on server
                CloudBlockBlob source = container.GetBlockBlobReference("source");

                string data = "String data";
                UploadText(source, data, Encoding.UTF8);

                source.Metadata["Test"] = "value";
                source.SetMetadata();

                // Create Destination on server
                CloudBlockBlob destination = container.GetBlockBlobReference("destination");
                destination.PutBlockList(new string[] { });

                CloudBlockBlob copySource      = source;
                CloudBlockBlob copyDestination = destination;

                if (sourceIsSas)
                {
                    // Source SAS must have read permissions
                    SharedAccessBlobPermissions permissions = SharedAccessBlobPermissions.Read;
                    SharedAccessBlobPolicy      policy      = new SharedAccessBlobPolicy()
                    {
                        SharedAccessStartTime  = DateTimeOffset.UtcNow.AddMinutes(-5),
                        SharedAccessExpiryTime = DateTimeOffset.UtcNow.AddMinutes(30),
                        Permissions            = permissions,
                    };
                    string sasToken = source.GetSharedAccessSignature(policy);

                    // Get source
                    StorageCredentials credentials = new StorageCredentials(sasToken);
                    copySource = new CloudBlockBlob(credentials.TransformUri(source.Uri));
                }

                if (destinationIsSas)
                {
                    if (!sourceIsSas)
                    {
                        // Source container must be public if source is not SAS
                        BlobContainerPermissions containerPermissions = new BlobContainerPermissions
                        {
                            PublicAccess = BlobContainerPublicAccessType.Blob
                        };
                        container.SetPermissions(containerPermissions);
                    }

                    // Destination SAS must have write permissions
                    SharedAccessBlobPermissions permissions = SharedAccessBlobPermissions.Write;
                    SharedAccessBlobPolicy      policy      = new SharedAccessBlobPolicy()
                    {
                        SharedAccessStartTime  = DateTimeOffset.UtcNow.AddMinutes(-5),
                        SharedAccessExpiryTime = DateTimeOffset.UtcNow.AddMinutes(30),
                        Permissions            = permissions,
                    };
                    string sasToken = destination.GetSharedAccessSignature(policy);

                    // Get destination
                    StorageCredentials credentials = new StorageCredentials(sasToken);
                    copyDestination = new CloudBlockBlob(credentials.TransformUri(destination.Uri));
                }

                // Start copy and wait for completion
                string copyId = copyDestination.StartCopyFromBlob(TestHelper.Defiddler(copySource));
                WaitForCopy(destination);

                // Check original blob references for equality
                Assert.AreEqual(CopyStatus.Success, destination.CopyState.Status);
                Assert.AreEqual(source.Uri.AbsolutePath, destination.CopyState.Source.AbsolutePath);
                Assert.AreEqual(data.Length, destination.CopyState.TotalBytes);
                Assert.AreEqual(data.Length, destination.CopyState.BytesCopied);
                Assert.AreEqual(copyId, destination.CopyState.CopyId);
                Assert.IsTrue(destination.CopyState.CompletionTime > DateTimeOffset.UtcNow.Subtract(TimeSpan.FromMinutes(1)));

                if (!destinationIsSas)
                {
                    // Abort Copy is not supported for SAS destination
                    TestHelper.ExpectedException(
                        () => copyDestination.AbortCopy(copyId),
                        "Aborting a copy operation after completion should fail",
                        HttpStatusCode.Conflict,
                        "NoPendingCopyOperation");
                }

                source.FetchAttributes();
                Assert.IsNotNull(destination.Properties.ETag);
                Assert.AreNotEqual(source.Properties.ETag, destination.Properties.ETag);
                Assert.IsTrue(destination.Properties.LastModified > DateTimeOffset.UtcNow.Subtract(TimeSpan.FromMinutes(1)));

                string copyData = DownloadText(destination, Encoding.UTF8);
                Assert.AreEqual(data, copyData, "Data inside copy of blob not equal.");

                destination.FetchAttributes();
                BlobProperties prop1 = destination.Properties;
                BlobProperties prop2 = source.Properties;

                Assert.AreEqual(prop1.CacheControl, prop2.CacheControl);
                Assert.AreEqual(prop1.ContentEncoding, prop2.ContentEncoding);
                Assert.AreEqual(prop1.ContentLanguage, prop2.ContentLanguage);
                Assert.AreEqual(prop1.ContentMD5, prop2.ContentMD5);
                Assert.AreEqual(prop1.ContentType, prop2.ContentType);

                Assert.AreEqual("value", destination.Metadata["Test"], false, "Copied metadata not same");

                destination.Delete();
                source.Delete();
            }
            finally
            {
                container.DeleteIfExists();
            }
        }
Exemplo n.º 21
0
        /// <summary>
        /// Downloads the BLOB.
        /// </summary>
        /// <param name="blob">The BLOB.</param>
        /// <param name="fetchAttribute">if set to <c>true</c> [fetch attribute].</param>
        /// <param name="metaData">The meta data.</param>
        /// <returns>System.Byte[].</returns>
        public static byte[] DownloadBlob(CloudBlockBlob blob, bool fetchAttribute, out IDictionary<string, string> metaData)
        {
            try
            {
                blob.CheckNullObject("blob");

                if (fetchAttribute)
                {
                    blob.FetchAttributes();
                    metaData = blob.Metadata;
                }
                else
                {
                    metaData = null;
                }

                var msRead = new MemoryStream { Position = 0 };
                using (msRead)
                {
                    blob.DownloadToStream(msRead);
                    return msRead.ToBytes();
                }
            }
            catch (Exception ex)
            {
                throw ex.Handle("DownloadBlob", blob.Uri.ToString());
            }
        }
Exemplo n.º 22
0
        /// <summary>
        /// Test blob reads, expecting success.
        /// </summary>
        /// <param name="testBlob">The blob to test.</param>
        /// <param name="testAccessCondition">The access condition to use.</param>
        private void BlobReadExpectLeaseSuccess(CloudBlockBlob testBlob, AccessCondition testAccessCondition)
        {
            testBlob.FetchAttributes(testAccessCondition, null /* options */);
            testBlob.Snapshot(null /* metadata */, testAccessCondition, null /* options */).Delete();
            DownloadText(testBlob, Encoding.UTF8, testAccessCondition, null /* options */);

            Stream stream = testBlob.OpenRead(testAccessCondition, null /* options */);
            stream.ReadByte();
        }
Exemplo n.º 23
0
 void DownloadBlobInParallel(CloudBlockBlob blob, Stream stream)
 {
     blob.FetchAttributes();
     blob.ServiceClient.ParallelOperationThreadCount = NumberOfIOThreads;
     container.ServiceClient.RetryPolicy = new ExponentialRetry(TimeSpan.FromSeconds(BackOffInterval), MaxRetries);
     blob.DownloadToStream(stream);
     stream.Seek(0, SeekOrigin.Begin);
 }
        public void CloudBlockBlobSnapshot()
        {
            CloudBlobContainer container = GetRandomContainerReference();
            try
            {
                container.Create();

                MemoryStream originalData = new MemoryStream(GetRandomBuffer(1024));
                CloudBlockBlob blob = container.GetBlockBlobReference("blob1");
                blob.UploadFromStream(originalData);
                Assert.IsFalse(blob.IsSnapshot);
                Assert.IsNull(blob.SnapshotTime, "Root blob has SnapshotTime set");
                Assert.IsFalse(blob.SnapshotQualifiedUri.Query.Contains("snapshot"));
                Assert.AreEqual(blob.Uri, blob.SnapshotQualifiedUri);

                CloudBlockBlob snapshot1 = blob.CreateSnapshot();
                Assert.AreEqual(blob.Properties.ETag, snapshot1.Properties.ETag);
                Assert.AreEqual(blob.Properties.LastModified, snapshot1.Properties.LastModified);
                Assert.IsTrue(snapshot1.IsSnapshot);
                Assert.IsNotNull(snapshot1.SnapshotTime, "Snapshot does not have SnapshotTime set");
                Assert.AreEqual(blob.Uri, snapshot1.Uri);
                Assert.AreNotEqual(blob.SnapshotQualifiedUri, snapshot1.SnapshotQualifiedUri);
                Assert.AreNotEqual(snapshot1.Uri, snapshot1.SnapshotQualifiedUri);
                Assert.IsTrue(snapshot1.SnapshotQualifiedUri.Query.Contains("snapshot"));

                CloudBlockBlob snapshot2 = blob.CreateSnapshot();
                Assert.IsTrue(snapshot2.SnapshotTime.Value > snapshot1.SnapshotTime.Value);

                snapshot1.FetchAttributes();
                snapshot2.FetchAttributes();
                blob.FetchAttributes();
                AssertAreEqual(snapshot1.Properties, blob.Properties);

                CloudBlockBlob snapshot1Clone = new CloudBlockBlob(new Uri(blob.Uri + "?snapshot=" + snapshot1.SnapshotTime.Value.ToString("O")), blob.ServiceClient.Credentials);
                Assert.IsNotNull(snapshot1Clone.SnapshotTime, "Snapshot clone does not have SnapshotTime set");
                Assert.AreEqual(snapshot1.SnapshotTime.Value, snapshot1Clone.SnapshotTime.Value);
                snapshot1Clone.FetchAttributes();
                AssertAreEqual(snapshot1.Properties, snapshot1Clone.Properties);

                CloudBlockBlob snapshotCopy = container.GetBlockBlobReference("blob2");
                snapshotCopy.StartCopyFromBlob(TestHelper.Defiddler(snapshot1.Uri));
                WaitForCopy(snapshotCopy);
                Assert.AreEqual(CopyStatus.Success, snapshotCopy.CopyState.Status);

                TestHelper.ExpectedException<InvalidOperationException>(
                    () => snapshot1.OpenWrite(),
                    "Trying to write to a blob snapshot should fail");

                using (Stream snapshotStream = snapshot1.OpenRead())
                {
                    snapshotStream.Seek(0, SeekOrigin.End);
                    TestHelper.AssertStreamsAreEqual(originalData, snapshotStream);
                }

                blob.PutBlockList(new List<string>());
                blob.FetchAttributes();

                using (Stream snapshotStream = snapshot1.OpenRead())
                {
                    snapshotStream.Seek(0, SeekOrigin.End);
                    TestHelper.AssertStreamsAreEqual(originalData, snapshotStream);
                }

                List<IListBlobItem> blobs = container.ListBlobs(null, true, BlobListingDetails.All, null, null).ToList();
                Assert.AreEqual(4, blobs.Count);
                AssertAreEqual(snapshot1, (ICloudBlob)blobs[0]);
                AssertAreEqual(snapshot2, (ICloudBlob)blobs[1]);
                AssertAreEqual(blob, (ICloudBlob)blobs[2]);
                AssertAreEqual(snapshotCopy, (ICloudBlob)blobs[3]);
            }
            finally
            {
                container.DeleteIfExists();
            }
        }
Exemplo n.º 25
0
        public static void Run()
        {
            #region Obtain a client from the connection string

              CloudStorageAccount storageAccount = CloudStorageAccount.Parse(CloudConfigurationManager.GetSetting("StorageConnectionString"));
              CloudBlobClient blobClient = storageAccount.CreateCloudBlobClient();
              Console.WriteLine("Parsed connection string and created blob client.");

              #endregion

              #region Obtain reference to images container

              CloudBlobContainer docContainer = blobClient.GetContainerReference("docs");
              Console.WriteLine("Obtained reference to docs containers.");

              #endregion

              #region Create a snapshot

              CloudBlockBlob blockBlob = docContainer.GetBlockBlobReference(@"WhatIsBlobStorage.txt");
              CloudBlockBlob blobSnapshot1 = blockBlob.CreateSnapshot();
              var snapshotTime = blobSnapshot1.SnapshotTime.Value;
              Console.WriteLine("Created snapshot '{0}' for WhatIsBlobStorage.txt in docs container.", snapshotTime.ToString("o"));

              Thread.Sleep(TimeSpan.FromMilliseconds(100));
              CloudBlockBlob blobSnapshot2 = blockBlob.CreateSnapshot();
              Thread.Sleep(TimeSpan.FromMilliseconds(100));
              CloudBlockBlob blobSnapshot3 = blockBlob.CreateSnapshot();

              #endregion

              #region List snapshots

              Console.WriteLine("\nListing snapshots");
              var snapshots = docContainer
            .ListBlobs(useFlatBlobListing: true, blobListingDetails: BlobListingDetails.Snapshots)
            .Where(blob => ((CloudBlockBlob) blob).SnapshotTime.HasValue);

              foreach (var snapshot in snapshots)
              {
            CloudBlockBlob blob = new CloudBlockBlob(blockBlob.Uri, ((CloudBlockBlob)snapshot).SnapshotTime, blobClient.Credentials);
            blob.FetchAttributes();
            Console.WriteLine(" {0} - {1}", blob.Uri.AbsoluteUri, blob.SnapshotTime);
              }

              #endregion

              #region Modify original blob

              using (var stringStream = new MemoryStream(Encoding.UTF8.GetBytes(@"Replace contents with this random string")))
              {
            blockBlob.UploadFromStream(stringStream);
              }
              Console.WriteLine("\nReplaced contents of WhatIsBlobStorage.txt with random string.");
              Console.WriteLine("Press any key to restore from snapshot ...");
              Console.ReadLine();

              #endregion

              #region Restore from snapshot

              CloudBlockBlob backupSnapshot = new CloudBlockBlob(blockBlob.Uri, snapshotTime, blobClient.Credentials);
              blockBlob.StartCopyFromBlob(backupSnapshot);
              Console.WriteLine("Restored contents of WhatIsBlobStorage.txt from original snapshot.");

              #endregion
        }
Exemplo n.º 26
0
        private void ArchiveOldReport(string reportPath, string reportName, string fileExt, CloudBlockBlob report)
        {
            if (!report.Exists()) return;
            report.FetchAttributes();

            string archiveDirString = (archiveBlobPath + (
                    (archiveBlobPath.EndsWith("/") && reportPath.StartsWith("/")) ?
                        reportPath.Substring(1) : reportPath
                )).ToLower();
            if (!archiveDirString.EndsWith("/"))
                archiveDirString = archiveDirString + "/";
            CloudBlobDirectory archiveDir = container.GetDirectoryReference(archiveDirString);
            //if the archive path exists, see if we need to delete the oldest blob in the path
            IEnumerable<IListBlobItem> blobs = archiveDir.ListBlobs(true);
            Dictionary<DateTimeOffset, string> oldReports = new Dictionary<DateTimeOffset, string>();
            DateTimeOffset oldest = DateTimeOffset.MaxValue;
            ICloudBlob oldestBlob = null;
            int count = 0;
            foreach (ICloudBlob blob in blobs)
            {
                ++count;
                if (blob.Properties.LastModified.Value < oldest)
                {
                    oldest = blob.Properties.LastModified.Value;
                    oldestBlob = blob;
                }
            }
            if (count >= maxNumOfReportsArchived)
                oldestBlob.Delete();

            //copy report to archive
            string newUri = (archiveDirString + reportName + "_" + report.Properties.LastModified.Value.ToString("u") + fileExt).ToLower();
            CloudBlockBlob newReport = container.GetBlockBlobReference(newUri);
            newReport.StartCopyFromBlob(report);
            int retries = 3;
            while (retries > 0)
            {
                if (newReport.CopyState.Status == CopyStatus.Success)
                {
                    Trace.TraceInformation("Blob archiving succeeded: " + newUri);
                    break;
                }
                else if (newReport.CopyState.Status == CopyStatus.Aborted ||
                         newReport.CopyState.Status == CopyStatus.Failed ||
                         newReport.CopyState.Status == CopyStatus.Invalid)
                {
                    Trace.TraceError("Blob archiving failed: " + newUri);
                    break;
                }
                else
                {
                    Thread.Sleep(1000);
                    --retries;
                    if (retries == 0) Trace.TraceError("Blob archiving timed out: " + newUri);
                }
            }
        }
Exemplo n.º 27
0
        private void PrefixEscapingTest(string prefix, string blobName)
        {
            CloudBlobClient service = GenerateCloudBlobClient();
            CloudBlobContainer container = GetRandomContainerReference();

            try
            {
                container.Create();
                string text = Guid.NewGuid().ToString();

                // Create from CloudBlobContainer.
                CloudBlockBlob originalBlob = container.GetBlockBlobReference(prefix + "/" + blobName);
                originalBlob.PutBlockList(new string[] { });

                // List blobs from container. 
                IListBlobItem blobFromContainerListingBlobs = container.ListBlobs(null, true).First();
                Assert.AreEqual(originalBlob.Uri, blobFromContainerListingBlobs.Uri);

                // Check Name
                Assert.AreEqual<string>(prefix + "/" + blobName, originalBlob.Name);

                // Absolute URI access from CloudBlockBlob
                CloudBlockBlob blobInfo = new CloudBlockBlob(originalBlob.Uri, service.Credentials);
                blobInfo.FetchAttributes();

                // Access from CloudBlobDirectory
                CloudBlobDirectory cloudBlobDirectory = container.GetDirectoryReference(prefix);
                CloudBlockBlob blobFromCloudBlobDirectory = cloudBlobDirectory.GetBlockBlobReference(blobName);
                Assert.AreEqual(blobInfo.Uri, blobFromCloudBlobDirectory.Uri);

                // Copy blob verification.
                CloudBlockBlob copyBlob = container.GetBlockBlobReference(prefix + "/" + blobName + "copy");
                copyBlob.StartCopyFromBlob(blobInfo.Uri);
                copyBlob.FetchAttributes();
            }
            finally
            {
                container.Delete();
            }
        }
Exemplo n.º 28
-1
        public byte[] GetBlob(string containerName, string blobName)
        {
            CloudBlobContainer container = _blobClient.GetContainerReference(containerName);
            _blockBlob = container.GetBlockBlobReference(blobName);
            _blockBlob.FetchAttributes();

            long fileByteLength = _blockBlob.Properties.Length;
            byte[] fileContents = new byte[fileByteLength];
            _blockBlob.DownloadToByteArray(fileContents, 0);

            return fileContents;
        }