private string DeleteAzureTableHelper(string TableNameToDelete, int TimeoutSeconds = 30, bool Recreate = false)
{
try
{
if (!CosmosTable.CloudStorageAccount.TryParse(new System.Net.NetworkCredential("", AzureTableConnectionSpec).Password, out CosmosTable.CloudStorageAccount StorageAccount))
{
throw new ConnectionException("Can not connect to CloudStorage Account. Verify connection string.");
}
CosmosTable.CloudTableClient client = CosmosTable.CloudStorageAccountExtensions.CreateCloudTableClient(StorageAccount, new CosmosTable.TableClientConfiguration());
CosmosTable.CloudTable TableToDelete = client.GetTableReference(TableNameToDelete);
TableToDelete.ServiceClient.DefaultRequestOptions.ServerTimeout = new TimeSpan(0, 0, TimeoutSeconds);
bool TableExisted = TableToDelete.DeleteIfExists();
//TableToDelete.Delete();
if (Recreate)
{
TableToDelete.CreateIfNotExists();
}
if (Recreate)
{
//return String.Format("Table '{0}' did not exist.", TableNameToDelete);
return(String.Format("Table '{0}' deleted and recreated.", TableNameToDelete));
}
else
{
return(String.Format("Table '{0}' deleted.", TableNameToDelete));
}
}
catch (ConnectionException cex)
{
throw cex;
}
catch (Exception ex)
{
throw new DeleteFailedException(String.Format("Table '{0}' delete failed.", TableNameToDelete), ex);
}
finally
{
}
}
/// <summary>
/// Restore file created by BackupAzureTables to the destination table name specified.
/// </summary>
/// <param name="DestinationTableName">Name of the Azure Table to restore to - may be different than name backed up originally.</param>
/// <param name="InFilePathName">Complete file name and path containing the data to be restored.</param>
/// <param name="TimeoutSeconds">Set timeout for table client.</param>
/// <returns>A string indicating the table restored and record count.</returns>
public string RestoreTableFromFile(string DestinationTableName, string InFilePathName, int TimeoutSeconds = 30)
{
if (String.IsNullOrWhiteSpace(DestinationTableName))
{
throw new ParameterSpecException("DestinationTableName is missing.");
}
if (Path.GetFullPath(InFilePathName) != InFilePathName)
{
throw new ParameterSpecException(String.Format("Invalid file name/path '{0}' specified.", InFilePathName));
}
else
{
if (!File.Exists(InFilePathName))
{
throw new ParameterSpecException(String.Format("File '{0}' does not exist.", InFilePathName));
}
}
TableSpec footer = null;
try
{
if (!CosmosTable.CloudStorageAccount.TryParse(new System.Net.NetworkCredential("", AzureTableConnectionSpec).Password, out CosmosTable.CloudStorageAccount StorageAccount))
{
throw new ConnectionException("Can not connect to CloudStorage Account. Verify connection string.");
}
CosmosTable.CloudTableClient client = CosmosTable.CloudStorageAccountExtensions.CreateCloudTableClient(StorageAccount, new CosmosTable.TableClientConfiguration());
CosmosTable.CloudTable TableDest = client.GetTableReference(DestinationTableName);
TableDest.ServiceClient.DefaultRequestOptions.ServerTimeout = new TimeSpan(0, 0, TimeoutSeconds);
TableDest.CreateIfNotExists();
DynamicTableEntityJsonSerializer serializer = new DynamicTableEntityJsonSerializer();
bool BatchWritten = true;
string PartitionKey = String.Empty;
CosmosTable.TableBatchOperation Batch = new CosmosTable.TableBatchOperation();
int BatchSize = 100;
int BatchCount = 0;
long TotalRecordCount = 0;
using (StreamReader InputFileStream = new StreamReader(InFilePathName))
{
string InFileLine = InputFileStream.ReadLine();
while (InFileLine != null)
{
if (InFileLine.Contains("ProcessingMetaData") && InFileLine.Contains("Header"))
{
System.Console.WriteLine(String.Format("Header {0}", InFileLine));
}
else if (InFileLine.Contains("ProcessingMetaData") && InFileLine.Contains("Footer"))
{
footer = JsonConvert.DeserializeObject <TableSpec>(InFileLine);
System.Console.WriteLine(String.Format("Footer {0}", InFileLine));
}
else
{
CosmosTable.DynamicTableEntity dte2 = serializer.Deserialize(InFileLine);
if (String.Empty.Equals(PartitionKey))
{
PartitionKey = dte2.PartitionKey;
}
if (dte2.PartitionKey == PartitionKey)
{
Batch.InsertOrReplace(dte2);
BatchCount++;
TotalRecordCount++;
BatchWritten = false;
}
else
{
try
{
TableDest.ExecuteBatch(Batch);
Batch = new CosmosTable.TableBatchOperation();
PartitionKey = dte2.PartitionKey;
Batch.InsertOrReplace(dte2);
BatchCount = 1;
TotalRecordCount++;
BatchWritten = false;
}
catch (Exception ex)
{
throw new RestoreFailedException(String.Format("Table '{0}' restore failed.", DestinationTableName), ex);
}
}
if (BatchCount >= BatchSize)
{
try
{
TableDest.ExecuteBatch(Batch);
PartitionKey = String.Empty;
Batch = new CosmosTable.TableBatchOperation();
BatchWritten = true;
BatchCount = 0;
}
catch (Exception ex)
{
throw new RestoreFailedException(String.Format("Table '{0}' restore failed.", DestinationTableName), ex);
}
}
}
InFileLine = InputFileStream.ReadLine();
} // while (InFileLine != null)
//final batch
if (!BatchWritten)
{
try
{
TableDest.ExecuteBatch(Batch);
PartitionKey = String.Empty;
}
catch (Exception ex) {
throw new RestoreFailedException(String.Format("Table '{0}' restore failed.", DestinationTableName), ex);
}
}
} // using (StreamReader
if (null == footer)
{
throw new RestoreFailedException(String.Format("Table '{0}' restore failed, no footer record found.", DestinationTableName));
}
else if (TotalRecordCount == footer.RecordCount)
{
//OK, do nothing
}
else
{
throw new RestoreFailedException(String.Format("Table '{0}' restore failed, records read {1} does not match expected count {2} in footer record.", DestinationTableName, TotalRecordCount, footer.RecordCount));
}
return(String.Format("Restore to table '{0}' Successful; {1} entries.", DestinationTableName, TotalRecordCount));
}
catch (ConnectionException cex)
{
throw cex;
}
catch (RestoreFailedException rex)
{
throw rex;
}
catch (Exception ex)
{
throw new RestoreFailedException(String.Format("Table '{0}' restore failed.", DestinationTableName), ex);
}
finally
{
}
}
/// <summary>
/// Restore file from blob storage by BackupAzureTables to the destination table name specified.
/// File will be read directly from blob storage. If the file is compressed, it will be decompressed to blob storage and then read.
/// </summary>
/// <param name="DestinationTableName">Name of the Azure Table to restore to - may be different than name backed up originally.</param>
/// <param name="OriginalTableName">Name of the Azure Table originally backed (required for determining blob directory to use)</param>
/// <param name="BlobRoot">Name to use as blob root folder.</param>
/// <param name="BlobFileName">Name of the blob file to restore.</param>
/// <param name="TimeoutSeconds">Set timeout for table client.</param>
/// <returns>A string indicating the table restored and record count.</returns>
public string RestoreTableFromBlobDirect(string DestinationTableName, string OriginalTableName, string BlobRoot, string BlobFileName, int TimeoutSeconds = 30)
{
if (String.IsNullOrWhiteSpace(DestinationTableName))
{
throw new ParameterSpecException("DestinationTableName is missing.");
}
if (String.IsNullOrWhiteSpace(OriginalTableName))
{
throw new ParameterSpecException("OriginalTableName is missing.");
}
if (String.IsNullOrWhiteSpace(BlobFileName))
{
throw new ParameterSpecException(String.Format("Invalid BlobFileName '{0}' specified.", BlobFileName));
}
bool Decompress = BlobFileName.EndsWith(".7z");
string TempFileName = String.Format("{0}.temp", BlobFileName);
if (String.IsNullOrWhiteSpace(BlobRoot))
{
throw new ParameterSpecException(String.Format("Invalid BlobRoot '{0}' specified.", BlobRoot));
}
try
{
if (!CosmosTable.CloudStorageAccount.TryParse(new System.Net.NetworkCredential("", AzureTableConnectionSpec).Password, out CosmosTable.CloudStorageAccount StorageAccount))
{
throw new ConnectionException("Can not connect to CloudStorage Account. Verify connection string.");
}
if (!AZStorage.CloudStorageAccount.TryParse(new System.Net.NetworkCredential("", AzureBlobConnectionSpec).Password, out AZStorage.CloudStorageAccount StorageAccountAZ))
{
throw new ConnectionException("Can not connect to CloudStorage Account. Verify connection string.");
}
AZBlob.CloudBlobClient ClientBlob = AZBlob.BlobAccountExtensions.CreateCloudBlobClient(StorageAccountAZ);
var container = ClientBlob.GetContainerReference(BlobRoot);
container.CreateIfNotExists();
AZBlob.CloudBlobDirectory directory = container.GetDirectoryReference(BlobRoot.ToLower() + "-table-" + OriginalTableName.ToLower());
// If file is compressed, Decompress to a temp file in the blob
if (Decompress)
{
AZBlob.CloudBlockBlob BlobBlockTemp = directory.GetBlockBlobReference(TempFileName);
AZBlob.CloudBlockBlob BlobBlockRead = directory.GetBlockBlobReference(BlobFileName);
using (AZBlob.CloudBlobStream decompressedStream = BlobBlockTemp.OpenWrite())
{
using (Stream readstream = BlobBlockRead.OpenRead())
{
using (var zip = new GZipStream(readstream, CompressionMode.Decompress, true))
{
zip.CopyTo(decompressedStream);
}
}
}
BlobFileName = TempFileName;
}
AZBlob.CloudBlockBlob BlobBlock = directory.GetBlockBlobReference(BlobFileName);
CosmosTable.CloudTableClient client = CosmosTable.CloudStorageAccountExtensions.CreateCloudTableClient(StorageAccount, new CosmosTable.TableClientConfiguration());
CosmosTable.CloudTable TableDest = client.GetTableReference(DestinationTableName);
TableDest.ServiceClient.DefaultRequestOptions.ServerTimeout = new TimeSpan(0, 0, TimeoutSeconds);
TableDest.CreateIfNotExists();
using (Stream BlobStream = BlobBlock.OpenRead())
{
using (StreamReader InputFileStream = new StreamReader(BlobStream))
{
string result = RestoreFromStream(InputFileStream, TableDest, DestinationTableName);
if (Decompress)
{
AZBlob.CloudBlockBlob BlobBlockTemp = directory.GetBlockBlobReference(TempFileName);
BlobBlockTemp.DeleteIfExists();
}
return(result);
}
}
}
catch (ConnectionException cex)
{
throw cex;
}
catch (RestoreFailedException rex)
{
throw rex;
}
catch (Exception ex)
{
throw new RestoreFailedException(String.Format("Table '{0}' restore failed.", DestinationTableName), ex);
}
finally
{
}
} // RestoreTableFromBlobDirect
/// <summary>
/// This method will copy entries from SourceTableName to DestinationTableName. The destination table is NOT deleted first.
/// </summary>
/// <param name="SourceTableName">Name of table to copy from.</param>
/// <param name="DestinationTableName">Name of table to copy to.</param>
/// <param name="TimeoutSeconds">Set timeout for table client.</param>
/// <param name="filters">A list of Filter objects to be applied to table values extracted.</param>
/// <returns>A string indicating the result of the operation.</returns>
public string CopyTableToTable(string SourceTableName, string DestinationTableName, int TimeoutSeconds = 30, List <Filter> filters = default(List <Filter>))
{
if (String.IsNullOrWhiteSpace(SourceTableName))
{
throw new ParameterSpecException("SourceTableName is missing.");
}
if (String.IsNullOrWhiteSpace(DestinationTableName))
{
throw new ParameterSpecException("DestinationTableName is missing.");
}
if (!Filter.AreFiltersValid(filters))
{
throw new ParameterSpecException(String.Format("One or more of the supplied filter criteria is invalid."));
}
try
{
if (!CosmosTable.CloudStorageAccount.TryParse(new System.Net.NetworkCredential("", AzureSourceTableConnection).Password, out CosmosTable.CloudStorageAccount StorageAccountSource))
{
throw new ConnectionException("Can not connect to CloudStorage Account for Source Table. Verify connection string.");
}
CosmosTable.CloudTableClient clientSource = CosmosTable.CloudStorageAccountExtensions.CreateCloudTableClient(StorageAccountSource, new CosmosTable.TableClientConfiguration());
CosmosTable.CloudTable TableSource = clientSource.GetTableReference(SourceTableName);
TableSource.ServiceClient.DefaultRequestOptions.ServerTimeout = new TimeSpan(0, 0, TimeoutSeconds);
if (!CosmosTable.CloudStorageAccount.TryParse(new System.Net.NetworkCredential("", AzureDestinationTableConnection).Password, out CosmosTable.CloudStorageAccount StorageAccountDest))
{
throw new ConnectionException("Can not connect to CloudStorage Account for Destination Table. Verify connection string.");
}
CosmosTable.CloudTableClient clientDestnation = CosmosTable.CloudStorageAccountExtensions.CreateCloudTableClient(StorageAccountDest, new CosmosTable.TableClientConfiguration());
CosmosTable.CloudTable TableDest = clientDestnation.GetTableReference(DestinationTableName);
TableDest.ServiceClient.DefaultRequestOptions.ServerTimeout = new TimeSpan(0, 0, TimeoutSeconds);
TableDest.CreateIfNotExists();
bool BatchWritten = true;
string PartitionKey = String.Empty;
CosmosTable.TableBatchOperation Batch = new CosmosTable.TableBatchOperation();
int BatchSize = 100;
int BatchCount = 0;
long TotalRecordCountIn = 0;
long TotalRecordCountOut = 0;
CosmosTable.TableContinuationToken token = null;
do
{
CosmosTable.TableQuery <CosmosTable.DynamicTableEntity> tq;
if (default(List <Filter>) == filters)
{
tq = new CosmosTable.TableQuery <CosmosTable.DynamicTableEntity>();
}
else
{
tq = new CosmosTable.TableQuery <CosmosTable.DynamicTableEntity>().Where(Filter.BuildFilterSpec(filters));
}
var queryResult = TableSource.ExecuteQuerySegmented(tq, token);
foreach (CosmosTable.DynamicTableEntity dte in queryResult.Results)
{
TotalRecordCountIn++;
if (String.Empty.Equals(PartitionKey))
{
PartitionKey = dte.PartitionKey;
}
if (dte.PartitionKey == PartitionKey)
{
Batch.InsertOrReplace(dte);
BatchCount++;
TotalRecordCountOut++;
BatchWritten = false;
}
else
{
try
{
TableDest.ExecuteBatch(Batch);
Batch = new CosmosTable.TableBatchOperation();
PartitionKey = dte.PartitionKey;
Batch.InsertOrReplace(dte);
BatchCount = 1;
TotalRecordCountOut++;
BatchWritten = false;
}
catch (Exception ex)
{
throw new CopyFailedException(String.Format("Table '{0}' copy to '{1}' failed.", SourceTableName, DestinationTableName), ex);
}
}
if (BatchCount >= BatchSize)
{
try
{
TableDest.ExecuteBatch(Batch);
PartitionKey = String.Empty;
Batch = new CosmosTable.TableBatchOperation();
BatchWritten = true;
BatchCount = 0;
}
catch (Exception ex)
{
throw new CopyFailedException(String.Format("Table '{0}' copy to '{1}' failed.", SourceTableName, DestinationTableName), ex);
}
}
}
token = queryResult.ContinuationToken;
} while (token != null);
if (!BatchWritten)
{
try
{
TableDest.ExecuteBatch(Batch);
PartitionKey = String.Empty;
}
catch (Exception ex)
{
throw new CopyFailedException(String.Format("Table '{0}' copy to '{1}' failed.", SourceTableName, DestinationTableName), ex);
}
}
return(String.Format("Table '{0}' copied to table '{1}', total records {2}.", SourceTableName, DestinationTableName, TotalRecordCountIn));
}
catch (ConnectionException cex)
{
throw cex;
}
catch (Exception ex)
{
throw new CopyFailedException(String.Format("Table '{0}' copy to '{1}' failed.", SourceTableName, DestinationTableName), ex);
}
finally
{
}
}