private void DeleteBlobFolderOrFile(string filePathOrSourceFolderPath, bool isFolder = false)
{
if (!CheckIfBackupExists(filePathOrSourceFolderPath))
{
BackupRestoreTrace.TraceSource.WriteWarning("AzureBlobRecoveryPointManager", "relativefilePathOrSourceFolderPath: {0} not found"
, filePathOrSourceFolderPath);
return;
}
if (!isFolder)
{
AzureBlobStoreHelper.DeleteBlob(AzureBlobStoreHelper.GetCloudBlockBlobRef(this.container, filePathOrSourceFolderPath));
}
else
{
CloudBlobDirectory blobDirectory = AzureBlobStoreHelper.GetCloudBlobDirectoryRef(this.container, filePathOrSourceFolderPath);
foreach (IListBlobItem blobItem in AzureBlobStoreHelper.GetBlobList(blobDirectory, true))
{
if (blobItem is CloudBlockBlob)
{
CloudBlockBlob blob = (CloudBlockBlob)blobItem;
AzureBlobStoreHelper.DeleteBlob(blob);
}
}
}
}
private async Task <List <string> > GetBackupLocationsInBackupChainInternalAsync(string backupLocation, CancellationToken cancellationToken)
{
var backupLocationList = new List <string>();
var fullBackupLocation = backupLocation;
// Check if backup exists
if (!CheckIfBackupExists(fullBackupLocation))
{
throw new FabricElementNotFoundException(String.Format("Missing backup!! Couldn't find backup folder {0} which is there in backup chain", fullBackupLocation));
}
var recoveryPointMetadataFileName = GetRecoveryPointMetadataFileNameFromBackupLocation(fullBackupLocation);
RecoveryPointMetadataFile recoveryPointMetadataFile = null;
using (MemoryStream ms = new MemoryStream())
{
CloudBlockBlob blockBlob = AzureBlobStoreHelper.GetCloudBlockBlobRef(this.container, recoveryPointMetadataFileName);
await AzureBlobStoreHelper.DownloadToStreamAsync(blockBlob, ms, cancellationToken);
recoveryPointMetadataFile = await RecoveryPointMetadataFile.OpenAsync(ms, recoveryPointMetadataFileName, cancellationToken);
}
backupLocationList.Add(recoveryPointMetadataFile.BackupLocation);
while (recoveryPointMetadataFile.ParentBackupId != Guid.Empty)
{
fullBackupLocation = recoveryPointMetadataFile.ParentBackupLocation;
// Check if backup folder exists
if (!CheckIfBackupExists(fullBackupLocation))
{
throw new FabricElementNotFoundException(String.Format("Missing backup!! Couldn't find backup folder {0} which is there in backup chain", fullBackupLocation));
}
recoveryPointMetadataFileName = GetRecoveryPointMetadataFileNameFromBackupLocation(fullBackupLocation);
using (MemoryStream ms = new MemoryStream())
{
CloudBlockBlob blockBlob = AzureBlobStoreHelper.GetCloudBlockBlobRef(this.container, recoveryPointMetadataFileName);
await AzureBlobStoreHelper.DownloadToStreamAsync(blockBlob, ms, cancellationToken);
recoveryPointMetadataFile = await RecoveryPointMetadataFile.OpenAsync(ms, recoveryPointMetadataFileName, cancellationToken);
backupLocationList.Add(recoveryPointMetadataFile.BackupLocation);
}
}
Debug.Assert(recoveryPointMetadataFile.BackupId == recoveryPointMetadataFile.BackupChainId, "Backup ID for root doesn't match with backup chain ID");
return(backupLocationList);
}
private async Task <List <RestorePoint> > GetRecoveryPointDetailsInternalAsync(IEnumerable <string> metadataFiles, CancellationToken cancellationToken)
{
var backupList = new List <RestorePoint>();
foreach (var metadataFile in metadataFiles)
{
cancellationToken.ThrowIfCancellationRequested();
using (MemoryStream ms = new MemoryStream())
{
CloudBlockBlob blockBlob = AzureBlobStoreHelper.GetCloudBlockBlobRef(this.container, metadataFile);
await AzureBlobStoreHelper.DownloadToStreamAsync(blockBlob, ms, cancellationToken);
var recoveryPointMetadataFile =
await RecoveryPointMetadataFile.OpenAsync(ms, metadataFile, cancellationToken);
var recoveryPoint = new RestorePoint()
{
BackupChainId = recoveryPointMetadataFile.BackupChainId,
BackupId = recoveryPointMetadataFile.BackupId,
ParentRestorePointId = recoveryPointMetadataFile.ParentBackupId,
BackupLocation = recoveryPointMetadataFile.BackupLocation,
CreationTimeUtc = recoveryPointMetadataFile.BackupTime,
BackupType =
recoveryPointMetadataFile.ParentBackupId == Guid.Empty ? BackupOptionType.Full : BackupOptionType.Incremental,
EpochOfLastBackupRecord = new BackupEpoch
{
ConfigurationNumber = recoveryPointMetadataFile.EpochOfLastBackupRecord.ConfigurationNumber,
DataLossNumber = recoveryPointMetadataFile.EpochOfLastBackupRecord.DataLossNumber
},
LsnOfLastBackupRecord = recoveryPointMetadataFile.LsnOfLastBackupRecord,
PartitionInformation = this.GetBackupServicePartitionInformationFromServicePartitionInformation(recoveryPointMetadataFile.PartitionInformation),
ServiceManifestVersion = recoveryPointMetadataFile.ServiceManifestVersion,
};
PopulateApplicationServiceAndPartitionInfo(recoveryPoint, metadataFile);
backupList.Add(recoveryPoint);
}
}
return(backupList);
}
