コード例 #1
0
        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);
            }
        }
コード例 #2
0
        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);
            }
        }