private DataSampling DeleteEntriesPerf(ReplicatedTable rtable, List <CustomerEntity> entries) { var stats = new DataSampling("[D]elete"); foreach (var entry in entries) { TableOperation retrieveOperation = TableOperation.Retrieve <CustomerEntity>(entry.PartitionKey, entry.RowKey); TableResult retrieveResult = rtable.Execute(retrieveOperation); Assert.IsNotNull(retrieveResult, "retrieveResult = null"); Assert.AreEqual((int)HttpStatusCode.OK, retrieveResult.HttpStatusCode, "retrieveResult.HttpStatusCode mismatch"); Assert.IsNotNull((CustomerEntity)retrieveResult.Result, "Retrieve: customer = null"); // Delete entity var customer = (CustomerEntity)retrieveResult.Result; Assert.IsTrue(customer._rtable_Version == 2, "entry was updated once, version should be 2"); TableOperation deleteOperation = TableOperation.Delete(customer); TableResult deleteResult; var watch = System.Diagnostics.Stopwatch.StartNew(); { deleteResult = rtable.Execute(deleteOperation); } watch.Stop(); stats.AddPoint(watch.ElapsedMilliseconds); Assert.IsNotNull(deleteResult, "deleteResult = null"); Assert.AreEqual((int)HttpStatusCode.NoContent, deleteResult.HttpStatusCode, "deleteResult.HttpStatusCode mismatch"); } return(stats); }
private DataSampling RetrieveEntriesPerf(ReplicatedTable rtable, List <CustomerEntity> entries) { var stats = new DataSampling("[R]etrieve"); foreach (var entry in entries) { TableOperation retrieveOperation = TableOperation.Retrieve <CustomerEntity>(entry.PartitionKey, entry.RowKey); TableResult retrieveResult = null; var watch = System.Diagnostics.Stopwatch.StartNew(); { retrieveResult = rtable.Execute(retrieveOperation); } watch.Stop(); stats.AddPoint(watch.ElapsedMilliseconds); Assert.IsNotNull(retrieveResult, "retrieveResult = null"); Assert.AreEqual((int)HttpStatusCode.OK, retrieveResult.HttpStatusCode, "retrieveResult.HttpStatusCode mismatch"); var customer = (CustomerEntity)retrieveResult.Result; Assert.IsNotNull(customer, "Retrieve: customer = null"); Assert.IsTrue(customer._rtable_Version == 1, "new entry should have version 1"); } return(stats); }
public void RTableStableTwoReplicaCRUDTest() { try { string tableName = this.GenerateRandomTableName("RTable2Perf"); this.SetupRTableEnv(tableName, true, "", new List <int> { 0, 1 }); Console.WriteLine("tableName = {0}", tableName); // two-replica and stable? View view = this.configurationService.GetTableView(tableName); Assert.IsTrue(view != null && view.Chain != null && view.Chain.Count == 2 && view.IsStable); // convert mode is Off ? yes, because we can't have more than 1 replica while in convert mode! ReplicatedTable rtable = this.repTable; Console.WriteLine("[C]reate stats ..."); entries = ShuffleList(entries); DataSampling createStats = CreateEntriesStats(rtable, entries); Console.WriteLine("[R]etrieve stats ..."); entries = ShuffleList(entries); DataSampling retrieveStats = RetrieveEntriesPerf(rtable, entries); Console.WriteLine("[U]pdate stats ..."); entries = ShuffleList(entries); DataSampling updateStats = UpdateEntriesPerf(rtable, entries); Console.WriteLine("[D]elete stats ..."); entries = ShuffleList(entries); DataSampling deleteStats = DeleteEntriesPerf(rtable, entries); //// TODO: Add perf. tests for LINQ query ... IEnumerable <CustomerEntity> customers = GetCustomerEntities(rtable); Assert.AreEqual(customers.Count(), 0); var report = new StringBuilder(); report.AppendLine("RTable Stable Two-Replicas CRUD perf (ms)"); report.AppendFormat("{0}\n", createStats.ToString()); report.AppendFormat("{0}\n", retrieveStats.ToString()); report.AppendFormat("{0}\n", updateStats.ToString()); report.AppendFormat("{0}\n", deleteStats.ToString()); report.AppendLine("End report."); Console.WriteLine(report); } catch (Exception ex) { Console.WriteLine("{0}", ex); Assert.Fail(); } finally { base.DeleteAllRtableResources(); } }
/// <summary> /// Call this function to modify the contents of the RTable configuration blob to use the specified viewId /// and convertXStoreTableMode and update the appropriate wrapper. /// </summary> /// <param name="updatedViewId"></param> protected void RefreshRTableEnvJsonConfigBlob(long updatedViewId, bool convertXStoreTableMode = false, int readViewHeadIndex = 0, List <int> blobIndexes = null, bool waitForConfig = true) { if (blobIndexes == null) { blobIndexes = new List <int> { 0 }; } Console.WriteLine( "Calling RefreshRTableEnvJsonConfigBlob() with updatedViewId={0} convertXStoreTableMode={1} readViewHeadIndex={2}", updatedViewId, convertXStoreTableMode, readViewHeadIndex); this.ModifyConfigurationBlob(updatedViewId, convertXStoreTableMode, readViewHeadIndex, blobIndexes); this.repTable = new ReplicatedTable(this.repTable.TableName, this.configurationService); this.rtableWrapper = RTableWrapperForSampleRTableEntity.GetRTableWrapper(this.repTable); if (!waitForConfig) { return; } while (this.configurationWrapper.GetWriteView().ViewId != updatedViewId) { Console.WriteLine("Sleeping {0} seconds for new viewId to take effect...", Constants.LeaseDurationInSec / 2); Thread.Sleep((Constants.LeaseDurationInSec / 2) * 1000); } }
private DataSampling UpdateEntriesPerf(ReplicatedTable rtable, List <CustomerEntity> entries) { var stats = new DataSampling("[U]pdate"); foreach (var entry in entries) { TableOperation retrieveOperation = TableOperation.Retrieve <CustomerEntity>(entry.PartitionKey, entry.RowKey); TableResult retrieveResult = rtable.Execute(retrieveOperation); Assert.IsNotNull(retrieveResult, "retrieveResult = null"); Assert.AreEqual((int)HttpStatusCode.OK, retrieveResult.HttpStatusCode, "retrieveResult.HttpStatusCode mismatch"); Assert.IsNotNull((CustomerEntity)retrieveResult.Result, "Retrieve: customer = null"); // Update entity var customer = (CustomerEntity)retrieveResult.Result; customer.Email = string.Format("{0}.{1}@email.com", entry.PartitionKey, entry.RowKey); TableOperation updateOperation = TableOperation.Replace(customer); TableResult updateResult; var watch = System.Diagnostics.Stopwatch.StartNew(); { updateResult = rtable.Execute(updateOperation); } watch.Stop(); stats.AddPoint(watch.ElapsedMilliseconds); Assert.IsNotNull(updateResult, "updateResult = null"); Assert.AreEqual((int)HttpStatusCode.NoContent, updateResult.HttpStatusCode, "updateResult.HttpStatusCode mismatch"); } return(stats); }
public ReplicatedTableV2(string name, ReplicatedTableConfigurationServiceV2 replicatedTableConfigurationAgent) { this._configurationWrapper = new ReplicatedTableConfigurationV2Wrapper(name, replicatedTableConfigurationAgent); TableName = name; _replicatedTableInstance = new ReplicatedTable(name, replicatedTableConfigurationAgent); }
private void UpdateCustomer(CustomerEntity customer, ReplicatedTable repTable) { TableOperation operation = TableOperation.Replace(customer); TableResult updateResult = repTable.Execute(operation); Assert.IsNotNull(updateResult, "updateResult = null"); Assert.AreEqual((int)HttpStatusCode.NoContent, updateResult.HttpStatusCode, "updateResult.HttpStatusCode mismatch"); }
/// <summary> /// Setup the RTable Env in order to run unit tests. /// </summary> /// <param name="tableName">Name of the RTable. If string.Empty or null, then use this.rtableTestConfiguration.RTableInformation.RTableName</param> /// <param name="useHttps">When using HttpMangler, set this to false</param> /// <param name="viewIdString">_rtable_ViewId used in the RTable config blob. Set to string.Empty or null to use the _rtable_ViewId value in the xml config</param> /// <param name="actualStorageAccountsToBeUsed">Specify how/which Storage accounts in the config.xml will be used to construct the RTable. Set to null to use all accounts in xml. E.g., {0,1}</param> protected void SetupRTableEnv( string tableName = "", bool useHttps = true, string viewIdString = "", List <int> actualStorageAccountsToBeUsed = null, bool convertXStoreTableMode = false, int numberOfBlobs = 0) { int numberOfStorageAccounts = this.rtableTestConfiguration.StorageInformation.AccountNames.Count(); // If user does not specify which storage accounts to construct the RTable, then use all the storage accounts in the xml. this.actualStorageAccountsUsed = actualStorageAccountsToBeUsed; if (this.actualStorageAccountsUsed == null || this.actualStorageAccountsUsed.Count == 0) { this.actualStorageAccountsUsed = new List <int>(); for (int i = 0; i < numberOfStorageAccounts; i++) { this.actualStorageAccountsUsed.Add(i); } } this.UpdateConfigurationConstants(); // Upload RTable configuration to blob int viewId = this.rtableTestConfiguration.RTableInformation.ViewId; if (!string.IsNullOrEmpty(viewIdString)) { viewId = int.Parse(viewIdString); } numberOfBlobs = numberOfBlobs == 0 ? this.rtableTestConfiguration.StorageInformation.AccountKeys.Count() : numberOfBlobs; if (string.IsNullOrEmpty(tableName)) { tableName = this.rtableTestConfiguration.RTableInformation.RTableName; } this.InitConnectionStringMap(useHttps); InitialSetup(tableName, useHttps, viewId, convertXStoreTableMode, numberOfBlobs); this.repTable = new ReplicatedTable(tableName, this.configurationService); this.repTable.CreateIfNotExists(); this.rtableWrapper = RTableWrapperForSampleRTableEntity.GetRTableWrapper(this.repTable); this.cloudTableClients = new List <CloudTableClient>(); this.cloudTables = new List <CloudTable>(); for (int i = 0; i < this.actualStorageAccountsUsed.Count; i++) { CloudTableClient cloudBloblClient = repTable.GetReplicaTableClient(i); this.cloudTableClients.Add(cloudBloblClient); this.cloudTables.Add(cloudBloblClient.GetTableReference(repTable.TableName)); } }
private void InsertCustormer(CustomerEntity customer, ReplicatedTable repTable) { TableOperation operation = TableOperation.Insert(customer); TableResult result = repTable.Execute(operation); Assert.AreNotEqual(null, result, "result = null"); Assert.AreEqual((int)HttpStatusCode.NoContent, result.HttpStatusCode, "result.HttpStatusCode mismatch"); Assert.AreNotEqual(null, result.Result, "result.Result = null"); }
public void LinqQueriesDontReturnPhysicallyDeletedEntries() { var rtable = new ReplicatedTable(this.repTable.TableName, this.configurationService); string firstName = "FirstName"; string lastName = "LastName"; /* * 1 - insert entries */ for (int i = 0; i < 10; i++) { var customer = new CustomerEntity(firstName + i, lastName + i); TableOperation operation = TableOperation.Insert(customer); rtable.Execute(operation); } /* * 2 - delete entries #2 and #4 */ foreach (var i in new int[] { 2, 4 }) { TableOperation operation = TableOperation.Retrieve <CustomerEntity>(firstName + i, lastName + i); TableResult retrievedResult = rtable.Execute(operation); var customer = (CustomerEntity)retrievedResult.Result; TableOperation deleteOperation = TableOperation.Delete(customer); TableResult deleteResult = rtable.Execute(deleteOperation); Assert.IsNotNull(deleteResult, "deleteResult = null"); Assert.AreEqual((int)HttpStatusCode.NoContent, deleteResult.HttpStatusCode, "deleteResult.HttpStatusCode mismatch"); } /* * 3 - CreateQuery doesn't return entries #2 and #4 */ foreach (var customer in rtable.CreateReplicatedQuery <CustomerEntity>().AsEnumerable()) { int id = int.Parse(customer.PartitionKey.Replace(firstName, "")); Assert.AreNotEqual(id, 2, "entry #2 should have been deleted"); Assert.AreNotEqual(id, 4, "entry #4 should have been deleted"); } /* * 4 - ExecuteQuery doesn't return entries #2 and #4 */ foreach (var customer in rtable.ExecuteQuery <CustomerEntity>(new TableQuery <CustomerEntity>())) { int id = int.Parse(customer.PartitionKey.Replace(firstName, "")); Assert.AreNotEqual(id, 2, "entry #2 should have been deleted"); Assert.AreNotEqual(id, 4, "entry #4 should have been deleted"); } }
private CustomerEntity RetrieveCustomer(string firstName, string lastName, ReplicatedTable repTable) { TableOperation operation = TableOperation.Retrieve <CustomerEntity>(firstName, lastName); TableResult retrievedResult = repTable.Execute(operation); Assert.AreNotEqual(null, retrievedResult, "retrievedResult = null"); Assert.AreEqual((int)HttpStatusCode.OK, retrievedResult.HttpStatusCode, "retrievedResult.HttpStatusCode mismatch"); Assert.AreNotEqual(null, retrievedResult.Result, "retrievedResult.Result = null"); return((CustomerEntity)retrievedResult.Result); }
public IChainTable GetChainTable(string tableId) { if (tableId.StartsWith("__RTable_")) { var name = tableId.Substring(9); ReplicatedTableConfigurationService rtableConfig = new ReplicatedTableConfigurationService(rTabConfLocs, true); ReplicatedTable rTable = new ReplicatedTable(name, rtableConfig); return(new RTableAdapter(rTable)); } else { return(new ATableAdapter(client.GetTableReference(tableId))); } }
public void RTableCreateTableAlreadyExistsSync() { try { string tableName = this.GenerateRandomTableName(); this.SetupRTableEnv(tableName); Assert.IsTrue(this.repTable.Exists(), "RTable does not exist"); // Try to create the same RTable again. ReplicatedTable curTable = new ReplicatedTable(this.repTable.TableName, this.configurationService); Assert.IsFalse(curTable.CreateIfNotExists(), "Calling CreateIfNotExists() again returned true. Should be false."); int replicasCreated = curTable.replicasCreated; Assert.AreEqual(replicasCreated, 0, "Calling CreateIfNotExists() again returned replicasCreated={0} > 0. Should be 0.", replicasCreated); } finally { base.DeleteAllRtableResources(); } }
private DataSampling CreateEntriesStats(ReplicatedTable rtable, List <CustomerEntity> entries) { var stats = new DataSampling("[C]reate"); foreach (var entry in entries) { TableOperation insertOperation = TableOperation.Insert(entry); TableResult insertResult = null; var watch = System.Diagnostics.Stopwatch.StartNew(); { insertResult = rtable.Execute(insertOperation); } watch.Stop(); stats.AddPoint(watch.ElapsedMilliseconds); Assert.IsNotNull(insertResult, "insertResult = null"); Assert.AreEqual((int)HttpStatusCode.NoContent, insertResult.HttpStatusCode, "insertResult.HttpStatusCode mismatch"); } return(stats); }
public void TxnViewExpiresAndViewIdHasChanged() { // Insert an entry string entityPartitionKey = "jobType-ReplaceWhenTxnViewExpires"; string entityRowKey = "jobType-ReplaceWhenTxnViewExpires"; this.ForceDeleteEntryFromStorageTablesDirectly(entityPartitionKey, entityRowKey); Console.WriteLine("Inserting entry ..."); var entry = new SampleRTableEntity(entityPartitionKey, entityRowKey, "insert message"); this.rtableWrapper.InsertRow(entry); // Retrieve the config ... ReplicatedTableConfiguration config; ReplicatedTableQuorumReadResult readStatus = this.configurationService.RetrieveConfiguration(out config); Assert.IsTrue(readStatus.Code == ReplicatedTableQuorumReadCode.Success); // Reconfigure RTable config with a short LeaseDuration int leaseDurationInSec = 3; config.LeaseDuration = leaseDurationInSec; this.configurationService.UpdateConfiguration(config); string accountNameToTamper = this.rtableTestConfiguration.StorageInformation.AccountNames[0]; Console.WriteLine("RunHttpManglerBehaviorHelper(): accountNameToTamper={0}", accountNameToTamper); // Delay behavior ProxyBehavior[] behaviors = new[] { DelayBehaviors.DelayAllResponsesIf( 1, (session => { var body = session.GetRequestBodyAsString(); // Delay lock of the Head response enough so the txView expires ... // And, upload a new config with a new viewId if (session.hostname.Contains(accountNameToTamper + ".") && session.HTTPMethodIs("PUT") && body.Contains("\"_rtable_Operation\":\"Replace\"") && body.Contains("\"_rtable_RowLock\":true")) { // Upload a new config with a new ViewId View view = this.configurationService.GetTableView(this.repTable.TableName); config.GetView(view.Name).ViewId++; this.configurationService.UpdateConfiguration(config, false); // ensure txView expires Thread.Sleep(2 * leaseDurationInSec * 1000); return(true); } return(false); })), }; // Launch an Update using (new HttpMangler(false, behaviors)) { try { entry = this.rtableWrapper.ReadEntity(entityPartitionKey, entityRowKey); entry.Message = "update message"; var table = new ReplicatedTable(this.repTable.TableName, this.configurationService); TableOperation replaceOperation = TableOperation.Replace(entry); // Get a snapshot of txView before transaction starts ... View viewBeforeTx = this.configurationService.GetTableView(this.repTable.TableName); // Transaction will get delayed 2*LeaseDuration sec. and Config/ViewId will be changed TableResult replaceResult = table.Execute(replaceOperation); Assert.IsTrue(viewBeforeTx.IsExpired(), "txView expected to expire!"); Assert.AreNotEqual(this.configurationService.GetTableView(this.repTable.TableName).ViewId, viewBeforeTx.ViewId, "ViewId should have changed!"); Assert.IsNotNull(replaceResult, "upsertResult = null"); Assert.AreNotEqual((int)HttpStatusCode.NoContent, replaceResult.HttpStatusCode, "upsertResult.HttpStatusCode mismatch"); } catch (ReplicatedTableStaleViewException ex) { // ValidateTxnView is called form everywhere ... we may endup here too switch (ex.ErrorCode) { case ReplicatedTableViewErrorCodes.ViewIdChanged: break; default: Console.WriteLine(ex); Assert.IsTrue(false); break; } } } }
public void TableQueryableCreateQueryNoPartitionKey() { Thread.Sleep(10000); string tableName = this.GenerateRandomTableName(); ReplicatedTable localRTable = new ReplicatedTable(tableName, this.configurationService); localRTable.CreateIfNotExists(); RTableWrapperForSampleRTableEntity localRTableWrapper = RTableWrapperForSampleRTableEntity.GetRTableWrapper(localRTable); CloudTableClient tableClient = localRTable.GetTailTableClient(); CloudTable table = tableClient.GetTableReference(localRTable.TableName); string pk = "0"; try { try { TableBatchOperation batch = new TableBatchOperation(); for (int j = 0; j < 10; j++) { BaseEntity ent = GenerateRandomEntity(pk); ent.RowKey = string.Format("{0:0000}", j); batch.Insert(ent); } localRTable.ExecuteBatch(batch); } catch (Exception ex) { Console.WriteLine("Exception during test case init {0}", ex.ToString()); throw; } try { pk = "1"; TableBatchOperation batch = new TableBatchOperation(); for (int j = 0; j < 10; j++) { BaseEntity ent = GenerateRandomEntity(pk); ent.RowKey = string.Format("{0:0000}", j); batch.Insert(ent); } localRTable.ExecuteBatch(batch); } catch (Exception ex) { Console.WriteLine("Exception during test case init {0}", ex.ToString()); throw; } IQueryable<BaseEntity> tableQuery = table.CreateQuery<BaseEntity>(); IQueryable<BaseEntity> rtableQuery = localRTable.CreateQuery<BaseEntity>(); var list = tableQuery.AsEnumerable(); int tableCount = 0; int rtableCount = 0; foreach (BaseEntity ent in list) { tableCount++; } foreach (BaseEntity ent in rtableQuery.ToList()) { rtableCount++; } Assert.IsTrue(tableCount == rtableCount, "Query counts are different"); Assert.IsTrue(tableCount == 20, "Query counts are different"); } catch (Exception e) { Console.WriteLine("Error during query processing: {0}", e.ToString()); } finally { localRTable.DeleteIfExists(); } }
private ReplicatedTableRepairResult RepairTable(string tableName, string storageAccountName, ReplicatedTableConfiguration configuration) { string viewName = ""; try { ReplicatedTableConfiguredTable tableConfig; if (!configuration.IsConfiguredTable(tableName, out tableConfig)) { return(new ReplicatedTableRepairResult(ReplicatedTableRepairCode.NotConfiguredTable, tableName)); } viewName = tableConfig.ViewName; List <ReplicaInfo> list = configuration.GetView(viewName).ReplicaChain; if (!list.Any() || list[0].StorageAccountName != storageAccountName) { return(new ReplicatedTableRepairResult(ReplicatedTableRepairCode.NotImpactedTable, tableName, viewName, storageAccountName)); } ReplicaInfo head = list[0]; if (head.Status != ReplicaStatus.WriteOnly) { return(new ReplicatedTableRepairResult(ReplicatedTableRepairCode.StableTable, tableName, viewName, storageAccountName)); } int viewIdToRecoverFrom = (int)head.ViewWhenTurnedOff; ReplicatedTableLogger.LogInformational("RepairTable={0}, View={1}, StorageAccountName={2}, from viewId={3} ...", tableName, viewName, storageAccountName, viewIdToRecoverFrom); // Repairing ... ReconfigurationStatus status = new ReplicatedTable(tableName, this).RepairTable(viewIdToRecoverFrom, null); ReplicatedTableLogger.LogInformational("RepairTable={0}, View={1}, StorageAccountName={2}, from viewId={3} => Status={4}", tableName, viewName, storageAccountName, viewIdToRecoverFrom, status); if (status == ReconfigurationStatus.SUCCESS) { return(new ReplicatedTableRepairResult(ReplicatedTableRepairCode.Success, tableName, viewName, storageAccountName)); } // Failure! return(new ReplicatedTableRepairResult(ReplicatedTableRepairCode.Error, tableName, viewName, storageAccountName) { Status = status, }); } catch (Exception ex) { return(new ReplicatedTableRepairResult(ReplicatedTableRepairCode.Error, tableName, viewName, storageAccountName) { Status = ReconfigurationStatus.FAILURE, Message = ex.ToString(), }); } }
public void TableQueryableCreateQueryNoPartitionKey() { Thread.Sleep(10000); string tableName = this.GenerateRandomTableName(); ReplicatedTable localRTable = new ReplicatedTable(tableName, this.configurationService); localRTable.CreateIfNotExists(); RTableWrapperForSampleRTableEntity localRTableWrapper = RTableWrapperForSampleRTableEntity.GetRTableWrapper(localRTable); CloudTableClient tableClient = localRTable.GetTailTableClient(); CloudTable table = tableClient.GetTableReference(localRTable.TableName); string pk = "0"; try { try { TableBatchOperation batch = new TableBatchOperation(); for (int j = 0; j < 10; j++) { BaseEntity ent = GenerateRandomEntity(pk); ent.RowKey = string.Format("{0:0000}", j); batch.Insert(ent); } localRTable.ExecuteBatch(batch); } catch (Exception ex) { Console.WriteLine("Exception during test case init {0}", ex.ToString()); throw; } try { pk = "1"; TableBatchOperation batch = new TableBatchOperation(); for (int j = 0; j < 10; j++) { BaseEntity ent = GenerateRandomEntity(pk); ent.RowKey = string.Format("{0:0000}", j); batch.Insert(ent); } localRTable.ExecuteBatch(batch); } catch (Exception ex) { Console.WriteLine("Exception during test case init {0}", ex.ToString()); throw; } IQueryable <BaseEntity> tableQuery = table.CreateQuery <BaseEntity>(); IQueryable <BaseEntity> rtableQuery = localRTable.CreateQuery <BaseEntity>(); var list = tableQuery.AsEnumerable(); int tableCount = 0; int rtableCount = 0; foreach (BaseEntity ent in list) { tableCount++; } foreach (BaseEntity ent in rtableQuery.ToList()) { rtableCount++; Assert.IsTrue(ent.ETag != ent._rtable_Version.ToString(), "ETag is not virtualized when using CreateQuery()"); } Assert.IsTrue(tableCount == rtableCount, "Query counts are different"); Assert.IsTrue(tableCount == 20, "Query counts are different"); // But, with "CreateReplicatedQuery" ETag is virtualized IQueryable <BaseEntity> virtualizedRtableQuery = localRTable.CreateReplicatedQuery <BaseEntity>(); foreach (BaseEntity ent in virtualizedRtableQuery.ToList()) { Assert.IsTrue(ent._rtable_Version == 0); Assert.IsTrue(ent.ETag == ent._rtable_Version.ToString(), "ETag is virtualized when using CreateReplicatedQuery()"); ent.A += "`"; // Update should go fine since ETag is virtualized TableOperation operation = TableOperation.Replace(ent); TableResult result = localRTable.Execute(operation); Assert.IsTrue(result != null && result.HttpStatusCode == (int)HttpStatusCode.NoContent); } virtualizedRtableQuery = localRTable.CreateReplicatedQuery <BaseEntity>(); foreach (BaseEntity ent in virtualizedRtableQuery.ToList()) { Assert.IsTrue(ent._rtable_Version == 1); Assert.IsTrue(ent.ETag == ent._rtable_Version.ToString(), "ETag is virtualized when using CreateReplicatedQuery()"); } } catch (Exception e) { Console.WriteLine("Error during query processing: {0}", e.ToString()); } finally { localRTable.DeleteIfExists(); } }
/// <summary> /// Initializes a new instance of the <see cref="DynamicReplicatedTableEntity"/> class. /// </summary> public DynamicReplicatedTableEntity() : base() { this.Properties = new Dictionary <string, EntityProperty>(); this._rtable_Operation = ReplicatedTable.GetTableOperation(TableOperationType.Insert); }
public void ConfigurationChangeNotificationAfterDetectingStaleView() { ReplicatedTableConfigurationServiceV2 configServiceOne, configServiceTwo; // setup: // stale view = [H] -> [T] // new view = [H] SetupStaleViewAndNewView(out configServiceOne, out configServiceTwo); long staleViewId = configServiceOne.GetTableView(this.repTable.TableName).ViewId; long latestViewId = configServiceTwo.GetTableView(this.repTable.TableName).ViewId; string firstName = "FirstName01"; string lastName = "LastName01"; /* * 1 - WorkerOne => inserts an entry using the stale View */ var workerOne = new ReplicatedTable(this.repTable.TableName, configServiceOne); var customer = new CustomerEntity(firstName, lastName); customer.Email = "*****@*****.**"; InsertCustormer(customer, workerOne); customer = RetrieveCustomer(firstName, lastName, workerOne); Assert.AreEqual(staleViewId, customer._rtable_ViewId, "customer._rtable_ViewId mismatch"); Assert.AreEqual("*****@*****.**", customer.Email, "customer.Email mismatch"); Console.WriteLine("workerOne inserted a customer in ViewId={0}", staleViewId); /* * 2 - WorkerTwo => updates the entry using latest View * row is updated in [Head] replica */ var workerTwo = new ReplicatedTable(this.repTable.TableName, configServiceTwo); customer = RetrieveCustomer(firstName, lastName, workerTwo); customer.Email = "*****@*****.**"; UpdateCustomer(customer, workerTwo); customer = RetrieveCustomer(firstName, lastName, workerTwo); Assert.AreEqual(latestViewId, customer._rtable_ViewId, "customer._rtable_ViewId mismatch"); Assert.AreEqual("*****@*****.**", customer.Email, "customer.Email mismatch"); Console.WriteLine("workerTwo updated the customer in ViewId={0}", latestViewId); /* * 3 - WorkerOne => access existing entry using "the stale View" * Read is served from [Head] i.e. we are not reading stale data from [Tail] */ try { customer = RetrieveCustomer(firstName, lastName, workerOne); Assert.Fail("Retrieve() is expected to get an RTableStaleViewException but did not get it."); } catch (ReplicatedTableStaleViewException ex) { Console.WriteLine("workerOne got exception: {0}", ex.Message); Assert.IsTrue(ex.ErrorCode == ReplicatedTableViewErrorCodes.ViewIdSmallerThanEntryViewId); Assert.IsTrue(ex.Message.Contains(string.Format("current _rtable_ViewId {0} is smaller than _rtable_ViewId of existing row {1}", staleViewId, latestViewId)), "Got unexpected exception message"); } // Note: // No need to test all table APIs since already covered by UT: // => "Microsoft.Azure.Toolkit.Replication.Test.RTableViewIdTests.ExceptionWhenUsingSmallerViewId()" /* * 4 - Notify "configServiceOne" instance of config change */ Assert.AreEqual(configServiceOne.GetTableView(this.repTable.TableName).ViewId, staleViewId, "we should see old View!!!"); { configServiceOne.ConfigurationChangeNotification(); } Assert.AreEqual(configServiceOne.GetTableView(this.repTable.TableName).ViewId, latestViewId, "we should see latest View!!!"); /* * 5 - WorkerOne => updates the entry using latest View */ customer = RetrieveCustomer(firstName, lastName, workerTwo); customer.Email = "*****@*****.**"; UpdateCustomer(customer, workerTwo); customer = RetrieveCustomer(firstName, lastName, workerTwo); Assert.AreEqual(latestViewId, customer._rtable_ViewId, "customer._rtable_ViewId mismatch"); Assert.AreEqual("*****@*****.**", customer.Email, "customer.Email mismatch"); Console.WriteLine("workerOne updated the customer in ViewId={0}", latestViewId); }
public void ReadingUncommittedDataFromReplicaIdentifiedByReadTailIndexWontThrow() { ReplicatedTableConfigurationServiceV2 configServiceOne, configServiceTwo; // setup: Acc0 Acc1 // stale view = [H] -> [T] // new view = [H] SetupStaleViewAndNewView(out configServiceOne, out configServiceTwo); long staleViewId = configServiceOne.GetTableView(this.repTable.TableName).ViewId; long latestViewId = configServiceTwo.GetTableView(this.repTable.TableName).ViewId; string firstName = "FirstName01"; string lastName = "LastName01"; /* * 1 - WorkerOne => inserts an entry in stale View */ var workerOne = new ReplicatedTable(this.repTable.TableName, configServiceOne); var workerTwo = new ReplicatedTable(this.repTable.TableName, configServiceTwo); var customer = new CustomerEntity(firstName, lastName); customer.Email = "***"; InsertCustormer(customer, workerOne); string accountNameToTamper = this.rtableTestConfiguration.StorageInformation.AccountNames[1]; Console.WriteLine("RunHttpManglerBehaviorHelper(): accountNameToTamper={0}", accountNameToTamper); TableResult oldUpdateResult = null; CustomerEntity customerSeenByNewView = null; // Delay behavior ProxyBehavior[] behaviors = { TamperBehaviors.TamperAllRequestsIf( (session => { session.oRequest.FailSession((int)HttpStatusCode.ServiceUnavailable, "ServerBusy", ""); }), (session => { var body = session.GetRequestBodyAsString(); // Fail Lock to Tail by stale view if (session.hostname.Contains(accountNameToTamper + ".") && session.HTTPMethodIs("PUT") && body.Contains("\"Email\":\"workerOne\"") && body.Contains(string.Format("\"_rtable_ViewId\":\"{0}\"", staleViewId)) && body.Contains("\"_rtable_RowLock\":true")) { return(true); } return(false); })), }; /* * 2 - WorkerOne => update an entry using the stale View */ using (new HttpMangler(false, behaviors)) { customer = RetrieveCustomer(firstName, lastName, workerOne); customer.Email = "workerOne"; TableOperation operation = TableOperation.Replace(customer); oldUpdateResult = workerOne.Execute(operation); } // Expected behavior: // Thread_1 (stale ViewId) fails to commit to Tail Assert.IsNotNull(oldUpdateResult, "oldUpdateResult = null"); Assert.AreEqual((int)HttpStatusCode.ServiceUnavailable, oldUpdateResult.HttpStatusCode, "oldUpdateResult.HttpStatusCode mismatch"); Console.WriteLine("Update in stale View Succeeded with HttpStatus={0}", oldUpdateResult.HttpStatusCode); // Thread_1 (stale ViewId): Reads the entry => Succeeds eventhough the row is "uncommitted". // "ReadTailIndex = [Head]" means [Head] is treated as [Tail] for Reads. // => row is assumed "committed" customer = RetrieveCustomer(firstName, lastName, workerOne); Assert.IsNotNull(customer, "customer = null"); Assert.AreEqual("workerOne", customer.Email, "customer.Email mismatch"); // Thread_2 (new ViewId): Reads the entry => Succeed since reading from Head customerSeenByNewView = RetrieveCustomer(firstName, lastName, workerTwo); Assert.IsNotNull(customerSeenByNewView, "customerSeenByNewView = null"); Assert.AreEqual("workerOne", customer.Email, "customer.Email mismatch"); }
public void A00TwoInsertOrReplaceCallsConflictingOnTheHead() { this.rtableWrapper = RTableWrapperForSampleRTableEntity.GetRTableWrapper(this.repTable); string entityPartitionKey = "jobType-DelayInsertOrReplaceRowHeadTest"; string entityRowKey = "jobId-DelayInsertOrReplaceRowHeadTest"; this.ForceDeleteEntryFromStorageTablesDirectly(entityPartitionKey, entityRowKey); // Insert one entry Console.WriteLine("Inserting entry ..."); var entry = new SampleRTableEntity(entityPartitionKey, entityRowKey, "insert message"); this.rtableWrapper.InsertRow(entry); string accountNameToTamper = this.rtableTestConfiguration.StorageInformation.AccountNames[0]; Console.WriteLine("RunHttpManglerBehaviorHelper(): accountNameToTamper={0}", accountNameToTamper); int delayInMs = 3000; bool firstWritterInitiatingCommit = false; bool secondWritterTriedLockingHead = false; // Delay behavior ProxyBehavior[] behaviors = new[] { // Writter-1 tampering TamperBehaviors.TamperAllRequestsIf( (session => { int iter = 0; // Signal Writter-2 firstWritterInitiatingCommit = true; // Blobk commit to head ... until Writter-2 try to lock the head while (!secondWritterTriedLockingHead) { Console.WriteLine("Writter-1 waiting on Writter-2 to try to lock the Head (#{0})", iter); Thread.Sleep(delayInMs); if (++iter > 10) { break; } } }), (session => { var body = session.GetRequestBodyAsString(); // Writter-1 committing to head if (session.hostname.Contains(accountNameToTamper + ".") && session.HTTPMethodIs("PUT") && body.Contains("\"_rtable_Operation\":\"Replace\"") && body.Contains("\"_rtable_RowLock\":false") && body.Contains("\"Message\":\"upsert message 0\"") ) { return(true); } return(false); })), // Writter-2 tampering TamperBehaviors.TamperAllRequestsIf( (session => { // Block till Writter-1 issues a commit to head while (!firstWritterInitiatingCommit) { Console.WriteLine("Writter-2 waiting on Writter-1 to issue a commit to head"); Thread.Sleep(delayInMs); } }), (session => { var body = session.GetRequestBodyAsString(); // Writter-2 locking the head if (session.hostname.Contains(accountNameToTamper + ".") && session.HTTPMethodIs("PUT") && body.Contains("\"_rtable_Operation\":\"Replace\"") && body.Contains("\"_rtable_RowLock\":true") && body.Contains("\"Message\":\"upsert message 1\"") ) { return(true); } return(false); })), // Delay Writter-2 lock-to-the-head's response, so Writter-1 can continue with its commit. DelayBehaviors.DelayAllResponsesIf( delayInMs, (session => { var body = session.GetRequestBodyAsString(); // Writter-2 locking the head response if (session.hostname.Contains(accountNameToTamper + ".") && session.HTTPMethodIs("PUT") && body.Contains("\"_rtable_Operation\":\"Replace\"") && body.Contains("\"_rtable_RowLock\":true") && body.Contains("\"Message\":\"upsert message 1\"") ) { // Signal Writter-1 so it can continue with commit to head secondWritterTriedLockingHead = true; return(true); } return(false); })), }; // Launch 2 concurrent Upserts var results = new TableResult[2]; using (new HttpMangler(false, behaviors)) { Parallel.For(0, 2, (index) => { entry = new SampleRTableEntity(entityPartitionKey, entityRowKey, string.Format("upsert message {0}", index)); try { var table = new ReplicatedTable(this.repTable.TableName, this.configurationService); TableOperation operation = TableOperation.InsertOrReplace(entry); results[index] = table.Execute(operation); } catch (AggregateException ex) { Console.WriteLine(ex); } }); } // Writter-1 suceed? Assert.AreEqual((int)HttpStatusCode.NoContent, results[0].HttpStatusCode, "Writter-1 expected to suceed!"); // Writter-2 suceeded? Assert.AreEqual((int)HttpStatusCode.NoContent, results[1].HttpStatusCode, "Writter-2 expected to suceed!"); // Writter-2 upsert succeeded SampleRTableEntity upsertedEntity = this.rtableWrapper.ReadEntity(entityPartitionKey, entityRowKey); Assert.NotNull(upsertedEntity, "Writter-2 upsert succeeded"); Assert.AreEqual(upsertedEntity.Message, string.Format("upsert message {0}", 1), "Writter-2 upsert succeeded"); }
public void WhenReadFromTailFailsWithServiceUnavailableWeReadFromHeadAndSucceed() { View view = this.configurationWrapper.GetWriteView(); Assert.IsTrue(view.Chain.Count > 1, "expects at least 2 replicas!"); // Insert one entry var rtable = new ReplicatedTable(this.repTable.TableName, this.configurationService); string firstName = "FirstName01"; string lastName = "LastName01"; var customer = new CustomerEntity(firstName, lastName); TableOperation operation = TableOperation.Insert(customer); rtable.Execute(operation); // Using xstore modify the row in each replica individually ... so we know, later, which replica RTable will retrieve from for (int replicaIndex = 0; replicaIndex < this.cloudTableClients.Count; replicaIndex++) { CloudTableClient tableClient = this.cloudTableClients[replicaIndex]; CloudTable table = tableClient.GetTableReference(this.repTable.TableName); TableOperation retrieveOperation = TableOperation.Retrieve <CustomerEntity>(firstName, lastName); TableResult retrieveResult = table.Execute(retrieveOperation); customer = (CustomerEntity)retrieveResult.Result; customer.Email = replicaIndex.ToString(); // Head = 0 // ... = 1 // Tail = 2 TableOperation updateOperation = TableOperation.Replace(customer); TableResult updateResult = table.Execute(updateOperation); Assert.IsNotNull(updateResult, "updateResult = null"); Console.WriteLine("updateResult.HttpStatusCode = {0}", updateResult.HttpStatusCode); Assert.AreEqual((int)HttpStatusCode.NoContent, updateResult.HttpStatusCode, "updateResult.HttpStatusCode mismatch"); } string accountNameToNotTamper = this.rtableTestConfiguration.StorageInformation.AccountNames[0]; Console.WriteLine("RunHttpManglerBehaviorHelper(): accountNameToNotTamper={0}", accountNameToNotTamper); // Delay behavior ProxyBehavior[] behaviors = { TamperBehaviors.TamperAllRequestsIf( (session => { session.oRequest.FailSession((int)HttpStatusCode.ServiceUnavailable, "ServerBusy", ""); }), (session => { if (session.HTTPMethodIs("Get")) { // Fail Get from all replicas, except Head if (!session.hostname.Contains(accountNameToNotTamper + ".")) { return(true); } } return(false); })), }; using (new HttpMangler(false, behaviors)) { operation = TableOperation.Retrieve <CustomerEntity>(firstName, lastName); TableResult retrievedResult = repTable.Execute(operation); Assert.AreNotEqual(null, retrievedResult, "retrievedResult = null"); Assert.AreEqual((int)HttpStatusCode.OK, retrievedResult.HttpStatusCode, "retrievedResult.HttpStatusCode mismatch"); Assert.AreNotEqual(null, retrievedResult.Result, "retrievedResult.Result = null"); customer = (CustomerEntity)retrievedResult.Result; Assert.AreEqual(customer.Email, (0).ToString(), "we should have read the row from Head"); } }
public void LinqQueriesAreServedFromHeadWhenReadViewTailIndexIsSet() { var rtable = new ReplicatedTable(this.repTable.TableName, this.configurationService); string firstName = "FirstName"; string lastName = "LastName"; int dataSize = 5; /* * 1 - insert entries */ for (int i = 0; i < dataSize; i++) { var customer = new CustomerEntity(firstName + i, lastName + i); customer.Email = "***"; TableOperation operation = TableOperation.Insert(customer); rtable.Execute(operation); } // Identify the Tail account View view = this.configurationWrapper.GetWriteView(); Assert.IsTrue(view.Chain.Count > 1, "expects at least one replica!"); string accountNameToTamper = view.Chain.Last().Item1.StorageAccountName; Console.WriteLine("RunHttpManglerBehaviorHelper(): accountNameToTamper={0}", accountNameToTamper); // We will fail requests to update a row in Tail ProxyBehavior[] behaviors = { TamperBehaviors.TamperAllRequestsIf( (session => { session.oRequest.FailSession((int)HttpStatusCode.ServiceUnavailable, "ServerBusy", ""); }), (session => { var body = session.GetRequestBodyAsString(); // Fail Lock to Tail by stale view if (session.hostname.Contains(accountNameToTamper + ".") && session.HTTPMethodIs("PUT") && body.Contains("\"_rtable_RowLock\":true")) { return(true); } return(false); })), }; using (new HttpMangler(false, behaviors)) { /* * 2 - update entries */ for (int i = 0; i < dataSize; i++) { TableOperation operation = TableOperation.Retrieve <CustomerEntity>(firstName + i, lastName + i); TableResult retrievedResult = rtable.Execute(operation); var customer = (CustomerEntity)retrievedResult.Result; customer.Email = "updated"; TableOperation replaceOperation = TableOperation.Replace(customer); TableResult replaceResult = rtable.Execute(replaceOperation); Assert.IsNotNull(replaceResult, "replaceResult = null"); Assert.AreEqual((int)HttpStatusCode.ServiceUnavailable, replaceResult.HttpStatusCode, "replaceResult.HttpStatusCode mismatch"); } } SetReadViewTailIndex(0); Assert.AreEqual(0, this.configurationService.GetTableView(this.repTable.TableName).ReadTailIndex, "ReadTailIndex should be 0!!!"); /* * 3 - CreateQuery is served from [Head], data should be new */ foreach (var customer in rtable.CreateReplicatedQuery <CustomerEntity>().AsEnumerable()) { Assert.AreEqual(customer.Email, "updated", "expected new data"); } /* * 4 - ExecuteQuery is served from [Head], data should be new */ foreach (var customer in rtable.ExecuteQuery <CustomerEntity>(new TableQuery <CustomerEntity>())) { Assert.AreEqual(customer.Email, "updated", "expected new data"); } }
public void A00InsertOrReplaceCallConflictingWithDeleteOnTheHead() { this.rtableWrapper = RTableWrapperForSampleRTableEntity.GetRTableWrapper(this.repTable); string entityPartitionKey = "jobType-DelayInsertOrReplaceWhileDelete"; string entityRowKey = "jobType-DelayInsertOrReplaceWhileDelete"; this.ForceDeleteEntryFromStorageTablesDirectly(entityPartitionKey, entityRowKey); // Insert one entry Console.WriteLine("Inserting entry ..."); var entry = new SampleRTableEntity(entityPartitionKey, entityRowKey, "insert message"); this.rtableWrapper.InsertRow(entry); // 1 - Launch an Upsert task in wait mode ... bool deleteLockedHead = false; TableResult upsertResult = null; var upsertTask = Task.Run(() => { while (!deleteLockedHead) { Thread.Sleep(5); } try { entry = new SampleRTableEntity(entityPartitionKey, entityRowKey, "upsert message"); var table = new ReplicatedTable(this.repTable.TableName, this.configurationService); TableOperation upserOperation = TableOperation.InsertOrReplace(entry); Console.WriteLine("Upsert started ..."); upsertResult = table.Execute(upserOperation); Console.WriteLine("Upsert completed with HttpStatus={0}", upsertResult == null ? "NULL" : upsertResult.HttpStatusCode.ToString()); } catch (AggregateException ex) { Console.WriteLine(ex); } }); string accountNameToTamper = this.rtableTestConfiguration.StorageInformation.AccountNames[0]; Console.WriteLine("RunHttpManglerBehaviorHelper(): accountNameToTamper={0}", accountNameToTamper); int delayInMs = 5; // Delay behavior ProxyBehavior[] behaviors = new[] { DelayBehaviors.DelayAllResponsesIf( delayInMs, (session => { var body = session.GetRequestBodyAsString(); Console.WriteLine(body); // Delete locking the head response if (session.hostname.Contains(accountNameToTamper + ".") && session.HTTPMethodIs("PUT") && body.Contains("\"_rtable_Operation\":\"Replace\"") && body.Contains("\"_rtable_RowLock\":true") && body.Contains("\"_rtable_Tombstone\":true")) { // Signal upsert we locked the head, so it can continue ... deleteLockedHead = true; return(true); } return(false); })), }; // Launch a delete using (new HttpMangler(false, behaviors)) { try { var table = new ReplicatedTable(this.repTable.TableName, this.configurationService); // Retrieve entity TableOperation retrieveOperation = TableOperation.Retrieve <SampleRTableEntity>(entry.PartitionKey, entry.RowKey); TableResult retrieveResult = table.Execute(retrieveOperation); Assert.IsNotNull(retrieveResult, "retrieveResult = null"); Assert.AreEqual((int)HttpStatusCode.OK, retrieveResult.HttpStatusCode, "retrieveResult.HttpStatusCode mismatch"); Assert.IsNotNull((SampleRTableEntity)retrieveResult.Result, "Retrieve: customer = null"); // Delete entity TableOperation deleteOperation = TableOperation.Delete((SampleRTableEntity)retrieveResult.Result); TableResult deleteResult = table.Execute(deleteOperation); Assert.IsNotNull(deleteResult, "deleteResult = null"); Assert.AreEqual((int)HttpStatusCode.NoContent, deleteResult.HttpStatusCode, "deleteResult.HttpStatusCode mismatch"); } catch (AggregateException ex) { Console.WriteLine(ex); } } // wait on upsert to finish ... upsertTask.Wait(); // Upsert suceeded? Assert.AreEqual((int)HttpStatusCode.NoContent, upsertResult.HttpStatusCode, "Upsert expected to suceed!"); SampleRTableEntity upsertedEntity = this.rtableWrapper.ReadEntity(entityPartitionKey, entityRowKey); Assert.NotNull(upsertedEntity, "upsert should succeed"); Assert.AreEqual(upsertedEntity.Message, "upsert message", "upsert should succeeded"); }
private IEnumerable <CustomerEntity> GetCustomerEntities(ReplicatedTable rtable) { ReplicatedTableQuery <CustomerEntity> query = rtable.CreateReplicatedQuery <CustomerEntity>(); return(query.AsEnumerable()); }
public void LinqQueriesDontReturnRowsWithHighViewIdWhenFlagIgnoreHigherViewIdRowsIsSet() { TableOperation operation; TableResult result; CustomerEntity customer; /* * Set config viewId to 5 */ long staleViewId = 5; SetConfigViewIdAndIgnoreHigherViewIdRowsFlag(staleViewId, false); Assert.AreEqual(staleViewId, this.configurationService.GetTableView(this.repTable.TableName).ViewId, "View should be 5!!!"); // Insert entries in stale viewId 5 var rtable = new ReplicatedTable(this.repTable.TableName, this.configurationService); string firstName = "FirstName"; string lastName = "LastName"; for (int i = 0; i < 10; i++) { customer = new CustomerEntity(firstName + i, lastName + i); operation = TableOperation.Insert(customer); rtable.Execute(operation); } /* * Set config new viewId to 6 */ long newViewId = 6; SetConfigViewIdAndIgnoreHigherViewIdRowsFlag(newViewId, false); Assert.AreEqual(newViewId, this.configurationService.GetTableView(this.repTable.TableName).ViewId, "View should be 6!!!"); // Update entry #5 and #8 in new viewId 6 foreach (int entryId in new int[] { 5, 8 }) { operation = TableOperation.Retrieve <CustomerEntity>(firstName + entryId, lastName + entryId); result = rtable.Execute(operation); Assert.IsTrue(result != null && result.HttpStatusCode == (int)HttpStatusCode.OK && (CustomerEntity)result.Result != null, "Retrieve customer failed"); customer = (CustomerEntity)result.Result; customer.Email = "*****@*****.**"; operation = TableOperation.Replace(customer); result = rtable.Execute(operation); Assert.IsTrue(result != null && result.HttpStatusCode == (int)HttpStatusCode.NoContent, "Update customer failed"); } /* * Simulate a stale client => Set config viewId back to 5 * and Set 'IgnoreHigherViewIdRows' flag so we ignore rows with higher viewIds */ SetConfigViewIdAndIgnoreHigherViewIdRowsFlag(staleViewId, true); Assert.AreEqual(staleViewId, this.configurationService.GetTableView(this.repTable.TableName).ViewId, "View should be 5!!!"); try { // Check Retrieve of row #5 and #8 returns NotFound foreach (int entryId in new int[] { 5, 8 }) { operation = TableOperation.Retrieve <CustomerEntity>(firstName + entryId, lastName + entryId); var retrievedResult = rtable.Execute(operation); Assert.AreNotEqual(null, retrievedResult, "retrievedResult = null"); Assert.AreEqual((int)HttpStatusCode.NotFound, retrievedResult.HttpStatusCode, "retrievedResult.HttpStatusCode mismatch"); } } catch (ReplicatedTableStaleViewException) { Assert.Fail("Retrieve() is expected to NotFound the row, but got RTableStaleViewException !"); } /* * stale client using LINQ: CreateReplicatedQuery */ foreach (var entry in rtable.CreateReplicatedQuery <CustomerEntity>().AsEnumerable()) { int id = int.Parse(entry.PartitionKey.Replace(firstName, "")); Assert.AreNotEqual(id, 5, "row #5 should not be returned"); Assert.AreNotEqual(id, 8, "row #8 should not be returned"); Assert.AreEqual(entry._rtable_ViewId, staleViewId, "CreateReplicatedQuery: entry viewId should be '5'"); } /* * stale client using LINQ: ExecuteQuery */ foreach (var entry in rtable.ExecuteQuery <CustomerEntity>(new TableQuery <CustomerEntity>())) { int id = int.Parse(entry.PartitionKey.Replace(firstName, "")); Assert.AreNotEqual(id, 5, "row #5 should not be returned"); Assert.AreNotEqual(id, 8, "row #8 should not be returned"); Assert.AreEqual(entry._rtable_ViewId, staleViewId, "CreateReplicatedQuery: entry viewId should be '5'"); } }
public void LinqQueriesThrowAfterDetectingStaleViewWhenThrowOnStaleViewInLinqQueryFlagIsSet() { TableOperation operation; TableResult result; CustomerEntity customer; /* * Set config viewId to 5 */ long staleViewId = 5; SetConfigViewIdAndIgnoreHigherViewIdRowsFlag(staleViewId, false); Assert.AreEqual(staleViewId, this.configurationService.GetTableView(this.repTable.TableName).ViewId, "View should be 5!!!"); // Insert entries in stale viewId 5 var rtable = new ReplicatedTable(this.repTable.TableName, this.configurationService); string firstName = "FirstName"; string lastName = "LastName"; for (int i = 0; i < 10; i++) { customer = new CustomerEntity(firstName + i, lastName + i); operation = TableOperation.Insert(customer); rtable.Execute(operation); } /* * Set config new viewId to 6 */ long newViewId = 6; SetConfigViewIdAndIgnoreHigherViewIdRowsFlag(newViewId, false); Assert.AreEqual(newViewId, this.configurationService.GetTableView(this.repTable.TableName).ViewId, "View should be 6!!!"); // Update entry #5 in new viewId 6 int entryId = 5; operation = TableOperation.Retrieve <CustomerEntity>(firstName + entryId, lastName + entryId); result = rtable.Execute(operation); Assert.IsTrue(result != null && result.HttpStatusCode == (int)HttpStatusCode.OK && (CustomerEntity)result.Result != null, "Retrieve customer failed"); customer = (CustomerEntity)result.Result; customer.Email = "*****@*****.**"; operation = TableOperation.Replace(customer); result = rtable.Execute(operation); Assert.IsTrue(result != null && result.HttpStatusCode == (int)HttpStatusCode.NoContent, "Update customer failed"); /* * Simulate a stale client => Set config viewId back to 5 */ SetConfigViewIdAndIgnoreHigherViewIdRowsFlag(staleViewId, false); Assert.AreEqual(staleViewId, this.configurationService.GetTableView(this.repTable.TableName).ViewId, "View should be 5!!!"); try { // Check Retrieve of row #5 throws stale view as expected operation = TableOperation.Retrieve <CustomerEntity>(firstName + entryId, lastName + entryId); rtable.Execute(operation); Assert.Fail("Retrieve() is expected to get an RTableStaleViewException but did not get it."); } catch (ReplicatedTableStaleViewException ex) { Assert.IsTrue(ex.ErrorCode == ReplicatedTableViewErrorCodes.ViewIdSmallerThanEntryViewId); Assert.IsTrue(ex.Message.Contains(string.Format("current _rtable_ViewId {0} is smaller than _rtable_ViewId of existing row {1}", staleViewId, newViewId)), "Got unexpected exception message"); } // Enable throwing on stale view detection rtable.ThrowOnStaleViewInLinqQueryFlag = true; /* * stale client using LINQ: CreateReplicatedQuery */ try { foreach (var entry in rtable.CreateReplicatedQuery <CustomerEntity>().AsEnumerable()) { int id = int.Parse(entry.PartitionKey.Replace(firstName, "")); Assert.IsTrue(id != entryId, "we should throw on entry #5"); Assert.AreEqual(entry._rtable_ViewId, staleViewId, "CreateReplicatedQuery: entry viewId should be '5'"); } } catch (ReplicatedTableStaleViewException ex) { Assert.IsTrue(ex.ErrorCode == ReplicatedTableViewErrorCodes.ViewIdSmallerThanEntryViewId); Assert.IsTrue(ex.Message.Contains(string.Format("current _rtable_ViewId {0} is smaller than _rtable_ViewId of existing row {1}", staleViewId, newViewId)), "Got unexpected exception message"); } /* * stale client using LINQ: ExecuteQuery */ try { foreach (var entry in rtable.ExecuteQuery <CustomerEntity>(new TableQuery <CustomerEntity>())) { int id = int.Parse(entry.PartitionKey.Replace(firstName, "")); Assert.IsTrue(id != entryId, "we should throw on entry #5"); Assert.AreEqual(entry._rtable_ViewId, staleViewId, "ExecuteQuery: entry viewId should be '5'"); } } catch (ReplicatedTableStaleViewException ex) { Assert.IsTrue(ex.ErrorCode == ReplicatedTableViewErrorCodes.ViewIdSmallerThanEntryViewId); Assert.IsTrue(ex.Message.Contains(string.Format("current _rtable_ViewId {0} is smaller than _rtable_ViewId of existing row {1}", staleViewId, newViewId)), "Got unexpected exception message"); } }
public RTableAdapter(ReplicatedTable rtable) { this.rtable = rtable; }
public void RepairMidAnUpdate() { this.rtableWrapper = RTableWrapperForSampleRTableEntity.GetRTableWrapper(this.repTable); // Not-Stable chain // Reconfigure RTable so Head is WriteOnly. View view = this.configurationService.GetTableView(this.repTable.TableName); ReplicatedTableConfiguration config; ReplicatedTableQuorumReadResult readStatus = this.configurationService.RetrieveConfiguration(out config); Assert.IsTrue(readStatus.Code == ReplicatedTableQuorumReadCode.Success); // Set Head as WriteOnly mode ReplicatedTableConfigurationStore viewConfg = config.GetView(view.Name); viewConfg.ReplicaChain[0].Status = ReplicaStatus.WriteOnly; config.SetView(view.Name, viewConfg); // Upload RTable config back this.configurationService.UpdateConfiguration(config); // Sanity: Replicated mode and chain Not-Stable view = this.configurationService.GetTableView(this.repTable.TableName); Assert.IsTrue(view != null && view.Chain.Count > 1, "Two replicas should be used."); Assert.IsFalse(view.IsStable); // Insert one entry Console.WriteLine("Inserting entry ..."); string entityPartitionKey = "jobType-RepairMidAnUpdate-Replace"; string entityRowKey = "jobId-RepairMidAnUpdate-Replace"; var entry = new SampleRTableEntity(entityPartitionKey, entityRowKey, "message"); this.rtableWrapper.InsertRow(entry); // 1 - Launch a RepairRow task in wait mode ... bool triggerRepair = false; bool repaireDone = false; bool headAfterRepairWasLocked = false; TableResult repairResult = null; Task.Run(() => { ReplicatedTable repairTable = new ReplicatedTable(this.repTable.TableName, this.configurationService); while (!triggerRepair) { Thread.Sleep(5); } Console.WriteLine("RepairRow started ..."); repairResult = repairTable.RepairRow(entry.PartitionKey, entry.RowKey, null); Console.WriteLine("RepairRow completed with HttpStatus={0}", repairResult == null ? "NULL" : repairResult.HttpStatusCode.ToString()); // Check the entry at the Head is still locked i.e. RepairRow was NOP headAfterRepairWasLocked = HeadIsLocked(entry); Console.WriteLine("Signal the commit to Head job"); repaireDone = true; }); // 2 - Configure Mangler ... string accountNameToTamper = this.rtableTestConfiguration.StorageInformation.AccountNames[0]; Console.WriteLine("RunHttpManglerBehaviorHelper(): accountNameToTamper={0}", accountNameToTamper); ProxyBehavior[] behaviors = new[] { TamperBehaviors.TamperAllRequestsIf( (session => { Console.WriteLine("Delaying commit to the Head ... => signal RepairRow job"); // Let RepairRow task go through triggerRepair = true; int iter = 0; while (!repaireDone) { // TODO: break the loop after couple of iteration ... Thread.Sleep(100); Console.WriteLine("Waiting on RepairRow to finish ({0}) ...", ++iter); } Console.WriteLine("Request a commit to the head"); }), (session => { // Commit on head i.e. a PUT with RowLock == false if (session.hostname.Contains(accountNameToTamper + ".") && session.HTTPMethodIs("PUT") && session.GetRequestBodyAsString().Contains("\"_rtable_RowLock\":false")) { return(true); } return(false); })) }; using (new HttpMangler(false, behaviors)) { Console.WriteLine("Updating entry ..."); entry = this.rtableWrapper.FindRow(entry.PartitionKey, entry.RowKey); entry.Message = "updated message"; this.rtableWrapper.ReplaceRow(entry); } Assert.IsTrue(triggerRepair); Assert.IsTrue(repairResult != null && repairResult.HttpStatusCode == (int)HttpStatusCode.OK, "Repair failed."); Assert.IsTrue(repaireDone); Assert.IsTrue(headAfterRepairWasLocked); Console.WriteLine("DONE. Test passed."); }
private ReplicatedTableRepairResult RepairTable(string tableName, string storageAccountName, ReplicatedTableConfiguration configuration) { string viewName = ""; try { ReplicatedTableConfiguredTable tableConfig; if (!configuration.IsConfiguredTable(tableName, out tableConfig)) { return new ReplicatedTableRepairResult(ReplicatedTableRepairCode.NotConfiguredTable, tableName); } viewName = tableConfig.ViewName; List<ReplicaInfo> list = configuration.GetView(viewName).ReplicaChain; if (!list.Any() || list[0].StorageAccountName != storageAccountName) { return new ReplicatedTableRepairResult(ReplicatedTableRepairCode.NotImpactedTable, tableName, viewName, storageAccountName); } ReplicaInfo head = list[0]; if (head.Status != ReplicaStatus.WriteOnly) { return new ReplicatedTableRepairResult(ReplicatedTableRepairCode.StableTable, tableName, viewName, storageAccountName); } int viewIdToRecoverFrom = (int)head.ViewWhenTurnedOff; ReplicatedTableLogger.LogInformational("RepairTable={0}, View={1}, StorageAccountName={2}, from viewId={3} ...", tableName, viewName, storageAccountName, viewIdToRecoverFrom); // Repairing ... ReconfigurationStatus status = new ReplicatedTable(tableName, this).RepairTable(viewIdToRecoverFrom, null); ReplicatedTableLogger.LogInformational("RepairTable={0}, View={1}, StorageAccountName={2}, from viewId={3} => Status={4}", tableName, viewName, storageAccountName, viewIdToRecoverFrom, status); if (status == ReconfigurationStatus.SUCCESS) { return new ReplicatedTableRepairResult(ReplicatedTableRepairCode.Success, tableName, viewName, storageAccountName); } // Failure! return new ReplicatedTableRepairResult(ReplicatedTableRepairCode.Error, tableName, viewName, storageAccountName) { Status = status, }; } catch (Exception ex) { return new ReplicatedTableRepairResult(ReplicatedTableRepairCode.Error, tableName, viewName, storageAccountName) { Status = ReconfigurationStatus.FAILURE, Message = ex.ToString(), }; } }
public void LinqQueriesDontReturnEntriesWithTombstone() { var rtable = new ReplicatedTable(this.repTable.TableName, this.configurationService); string firstName = "FirstName"; string lastName = "LastName"; /* * 1 - insert entries */ for (int i = 0; i < 10; i++) { var customer = new CustomerEntity(firstName + i, lastName + i); TableOperation operation = TableOperation.Insert(customer); rtable.Execute(operation); } // Identify the Tail account View view = this.configurationWrapper.GetWriteView(); Assert.IsTrue(view.Chain.Count > 1, "expects at least one replica!"); string accountNameToTamper = view.Chain.Last().Item1.StorageAccountName; Console.WriteLine("RunHttpManglerBehaviorHelper(): accountNameToTamper={0}", accountNameToTamper); // We will fail requests to delete a row in Tail ProxyBehavior[] behaviors = { TamperBehaviors.TamperAllRequestsIf( (session => { session.oRequest.FailSession((int)HttpStatusCode.ServiceUnavailable, "ServerBusy", ""); }), (session => { // Commit to Tail i.e. physically delete the row if (session.hostname.Contains(accountNameToTamper + ".") && session.HTTPMethodIs("DELETE")) { return(true); } return(false); })), }; using (new HttpMangler(false, behaviors)) { /* * 2 - delete entries #2 and #4 */ foreach (var i in new int[] { 2, 4 }) { TableOperation operation = TableOperation.Retrieve <CustomerEntity>(firstName + i, lastName + i); TableResult retrievedResult = rtable.Execute(operation); var customer = (CustomerEntity)retrievedResult.Result; TableOperation deleteOperation = TableOperation.Delete(customer); TableResult deleteResult = rtable.Execute(deleteOperation); Assert.IsNotNull(deleteResult, "deleteResult = null"); Assert.AreEqual((int)HttpStatusCode.ServiceUnavailable, deleteResult.HttpStatusCode, "deleteResult.HttpStatusCode mismatch"); } } // Verify, Retrieve doesn't return entries #2 and #4 int deleteId = 2; var result = rtable.Execute(TableOperation.Retrieve <CustomerEntity>(firstName + deleteId, lastName + deleteId)); Assert.IsNotNull(result, "result = null"); Assert.AreEqual((int)HttpStatusCode.NotFound, result.HttpStatusCode, "result.HttpStatusCode mismatch"); deleteId = 4; result = rtable.Execute(TableOperation.Retrieve <CustomerEntity>(firstName + deleteId, lastName + deleteId)); Assert.IsNotNull(result, "result = null"); Assert.AreEqual((int)HttpStatusCode.NotFound, result.HttpStatusCode, "result.HttpStatusCode mismatch"); /* * 3 - CreateQuery doesn't return entries #2 and #4 */ foreach (var customer in rtable.CreateReplicatedQuery <CustomerEntity>().AsEnumerable()) { int id = int.Parse(customer.PartitionKey.Replace(firstName, "")); Assert.AreNotEqual(id, 2, "entry #2 should have been deleted"); Assert.AreNotEqual(id, 4, "entry #4 should have been deleted"); } /* * 4 - ExecuteQuery doesn't return entries #2 and #4 */ foreach (var customer in rtable.ExecuteQuery <CustomerEntity>(new TableQuery <CustomerEntity>())) { int id = int.Parse(customer.PartitionKey.Replace(firstName, "")); Assert.AreNotEqual(id, 2, "entry #2 should have been deleted"); Assert.AreNotEqual(id, 4, "entry #4 should have been deleted"); } }