private static async Task <int> BackupBlobStorageArchiveAsync(BackupBlobStorageArchiveOptions options, CancellationToken cancellationToken)
{
var sourceCloudStorageAccount = GetCloudStorageAccount(options.SourceConnectionString, options.SourceSASToken, options.SourceStorageAccountName);
var sourceCloudFileClient = sourceCloudStorageAccount.CreateCloudFileClient();
var azureShareSnapshotManager = new AzureShareSnapshotManager(sourceCloudFileClient, $"AzureShareBackupZipSnapshot_{Guid.NewGuid():N}");
var snapshotShare = await azureShareSnapshotManager.CreateManagedSnapshotAsync(options.SourceShareName, cancellationToken);
try
{
var targetCloudStorageAccount = GetCloudStorageAccount(options.TargetConnectionString, options.TargetSASToken, options.TargetStorageAccountName);
var targetCloudBlobClient = targetCloudStorageAccount.CreateCloudBlobClient();
var blobName = $"{options.TargetBlobNamePrefix}-{snapshotShare.SnapshotTime:yyyyMMdd-HHmmss}.{GetFileExtension(options.ArchiveType)}";
var blobContainer = targetCloudBlobClient.GetContainerReference(options.TargetBlobContainerName);
Log.Info(() => $"Backup to blob zip: {blobContainer.Uri}/{blobName}");
var backupProvider = new LocalProcessBackupProvider(
new AzureFileShareFileInfoProvider(sourceCloudFileClient, snapshotShare.Name, snapshotShare.SnapshotTime),
GetOutputWriter(options.ArchiveType, await AzureStreamHelpers.GetBlobOutputStreamAsync(blobContainer, blobName, false, cancellationToken)));
await backupProvider.RunAsync(cancellationToken);
}
finally
{
// ReSharper disable once PossibleInvalidOperationException
// we want this to happen regardless of the rest being cancelled
await azureShareSnapshotManager.DeleteManagedSnapshotAsync(snapshotShare.Name, snapshotShare.SnapshotTime.Value, CancellationToken.None);
}
return(0);
}
private static async Task <int> BackupLocalArchiveAsync(BackupLocalArchiveOptions options, CancellationToken cancellationToken)
{
var sourceCloudStorageAccount = GetCloudStorageAccount(options.SourceConnectionString, options.SourceSASToken, options.SourceStorageAccountName);
var sourceCloudFileClient = sourceCloudStorageAccount.CreateCloudFileClient();
var azureShareSnapshotManager = new AzureShareSnapshotManager(sourceCloudFileClient, $"AzureShareBackupZipSnapshot_{Guid.NewGuid():N}");
var snapshotShare = await azureShareSnapshotManager.CreateManagedSnapshotAsync(options.SourceShareName, cancellationToken);
try
{
var zipName = Path.Combine(options.TargetPath, $"{options.TargetFileNamePrefix}-{snapshotShare.SnapshotTime:yyyyMMdd-HHmmss}.{GetFileExtension(options.ArchiveType)}");
Log.Info(() => $"Backup to local zip: {zipName}");
var backupProvider = new LocalProcessBackupProvider(
new AzureFileShareFileInfoProvider(sourceCloudFileClient, snapshotShare.Name, snapshotShare.SnapshotTime),
GetOutputWriter(options.ArchiveType, new FileStream(zipName, FileMode.CreateNew)));
await backupProvider.RunAsync(cancellationToken);
}
finally
{
// ReSharper disable once PossibleInvalidOperationException
// we want this to happen regardless of the rest being cancelled
await azureShareSnapshotManager.DeleteManagedSnapshotAsync(snapshotShare.Name, snapshotShare.SnapshotTime.Value, CancellationToken.None);
}
return(0);
}
