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);
}
private async Task <List <string> > GetBackupLocationsInBackupChainInternalAsync(string backupLocation, CancellationToken cancellationToken)
{
var backupLocationList = new List <string>();
var fullBackupLocation = Path.Combine(this.storeInformation.Path, backupLocation);
// Check if backup exists
if (!CheckIfBackupExists(fullBackupLocation))
{
throw new FabricElementNotFoundException(String.Format("Missing backup!! Couldnt find backup folder {0} which is there in backup chain", fullBackupLocation));
}
var recoveryPointMetadataFileName = GetRecoveryPointMetadataFileNameFromBackupLocation(fullBackupLocation);
var recoveryPointMetadataFile = await RecoveryPointMetadataFile.OpenAsync(recoveryPointMetadataFileName, cancellationToken);
backupLocationList.Add(recoveryPointMetadataFile.BackupLocation);
while (recoveryPointMetadataFile.ParentBackupId != Guid.Empty)
{
fullBackupLocation = Path.Combine(this.storeInformation.Path,
recoveryPointMetadataFile.ParentBackupLocation);
// Check if backup folder exists
if (!CheckIfBackupExists(fullBackupLocation))
{
throw new FabricElementNotFoundException(String.Format("Missing backup!! Couldnt find backup folder {0} which is there in backup chain", fullBackupLocation));
}
recoveryPointMetadataFileName = GetRecoveryPointMetadataFileNameFromBackupLocation(fullBackupLocation);
recoveryPointMetadataFile = await RecoveryPointMetadataFile.OpenAsync(recoveryPointMetadataFileName, cancellationToken);
backupLocationList.Add(recoveryPointMetadataFile.BackupLocation);
}
Debug.Assert(recoveryPointMetadataFile.BackupId == recoveryPointMetadataFile.BackupChainId, "Backup ID for root doesnt 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();
var recoveryPointMetadataFile =
await RecoveryPointMetadataFile.OpenAsync(Path.Combine(this.storeInformation.Path, 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);
}
