public async Task BackupAsync(BackupConfiguration configuration, BackupMode mode)
{
var watch = new Stopwatch();
watch.Start();
configuration.Validate();
var storageFacade = CreateStorageFacade(configuration.StorageAccount);
ILogger logger = new StorageFolderLogger(storageFacade.ChangeFolder("logs"));
var cosmosFacade = CreateCosmosFacade(configuration.CosmosAccount, logger);
var scheduler = new BackupScheduler(
logger,
cosmosFacade,
storageFacade,
configuration.GetCollectionPlans(),
configuration.Constants);
try
{
await scheduler.InitializeAsync();
try
{
if (mode == BackupMode.Iterative)
{
await scheduler.ProcessIterationAsync();
}
else
{
await scheduler.ProcessContinuouslyAsync();
}
logger.Display($"Elapsed Time: {watch.Elapsed}");
logger.Display("Memory used: "
+ $"{Process.GetCurrentProcess().PrivateMemorySize64 / 1024 / 1024} Mb");
}
finally
{
await Task.WhenAll(scheduler.DisposeAsync(), logger.FlushAsync());
}
}
catch (Exception ex)
{
logger.DisplayError(ex);
}
}
public async Task RestoreAsync(
RestoreConfiguration configuration,
DateTime?pointInTime = null)
{
var watch = new Stopwatch();
watch.Start();
configuration.Validate();
var storageFacade = CreateStorageFacade(configuration.StorageAccount);
ILogger logger = new StorageFolderLogger(storageFacade.ChangeFolder("logs"));
var cosmosFacade = CreateCosmosFacade(
configuration.CosmosAccount,
logger) as ICosmosAccountFacade;
var sourceCollectionLogger = logger
.AddContext("Db", configuration.SourceCollection.Db)
.AddContext("Collection", configuration.SourceCollection.Collection);
var indexController = new IndexCollectionController(
configuration.SourceCollection.Account,
configuration.SourceCollection.Db,
configuration.SourceCollection.Collection,
storageFacade,
null,
configuration.Constants.IndexConstants,
sourceCollectionLogger);
try
{
await indexController.InitializeAsync();
try
{
if (pointInTime == null)
{
await indexController.LoadAsync(true);
}
else
{
await indexController.LoadUntilAsync(pointInTime);
}
var collection = await FindOrCreateCollectionAsync(
cosmosFacade,
configuration.TargetCollection);
var targetCollectionLogger = logger
.AddContext("Db", configuration.TargetCollection.Db)
.AddContext("Collection", configuration.TargetCollection.Collection);
var restoreController = new RestoreController(
configuration.SourceCollection.Account,
configuration.SourceCollection.Db,
configuration.SourceCollection.Collection,
storageFacade,
collection,
targetCollectionLogger);
await restoreController.InitializeAsync();
try
{
await restoreController.RestoreAsync(pointInTime);
logger.Display($"Elapsed Time: {watch.Elapsed}");
logger.Display("Memory used: "
+ $"{Process.GetCurrentProcess().PrivateMemorySize64 / 1024 / 1024} Mb");
}
finally
{
await restoreController.DisposeAsync();
}
}
finally
{
await Task.WhenAll(indexController.DisposeAsync(), logger.FlushAsync());
}
}
catch (Exception ex)
{
logger.DisplayError(ex);
}
}
