public DocumentDatabase(InMemoryRavenConfiguration configuration, TransportState recievedTransportState = null)
{
DocumentLock = new PutSerialLock();
Name = configuration.DatabaseName;
Configuration = configuration;
transportState = recievedTransportState ?? new TransportState();
ExtensionsState = new AtomicDictionary<object>();
using (LogManager.OpenMappedContext("database", Name ?? Constants.SystemDatabase))
{
Log.Debug("Start loading the following database: {0}", Name ?? Constants.SystemDatabase);
initializer = new DocumentDatabaseInitializer(this, configuration);
initializer.InitializeEncryption();
initializer.ValidateLicense();
initializer.SubscribeToDomainUnloadOrProcessExit();
initializer.ExecuteAlterConfiguration();
initializer.SatisfyImportsOnce();
backgroundTaskScheduler = configuration.CustomTaskScheduler ?? TaskScheduler.Default;
recentTouches = new SizeLimitedConcurrentDictionary<string, TouchedDocumentInfo>(configuration.MaxRecentTouchesToRemember, StringComparer.OrdinalIgnoreCase);
configuration.Container.SatisfyImportsOnce(this);
workContext = new WorkContext
{
Database = this,
DatabaseName = Name,
IndexUpdateTriggers = IndexUpdateTriggers,
ReadTriggers = ReadTriggers,
TaskScheduler = backgroundTaskScheduler,
Configuration = configuration,
IndexReaderWarmers = IndexReaderWarmers
};
try
{
uuidGenerator = new SequentialUuidGenerator();
initializer.InitializeTransactionalStorage(uuidGenerator);
lastCollectionEtags = new LastCollectionEtags(WorkContext);
}
catch (Exception)
{
if (TransactionalStorage != null)
TransactionalStorage.Dispose();
throw;
}
try
{
TransactionalStorage.Batch(actions => uuidGenerator.EtagBase = actions.General.GetNextIdentityValue("Raven/Etag"));
// Index codecs must be initialized before we try to read an index
InitializeIndexCodecTriggers();
initializer.InitializeIndexStorage();
Attachments = new AttachmentActions(this, recentTouches, uuidGenerator, Log);
Documents = new DocumentActions(this, recentTouches, uuidGenerator, Log);
Indexes = new IndexActions(this, recentTouches, uuidGenerator, Log);
Maintenance = new MaintenanceActions(this, recentTouches, uuidGenerator, Log);
Notifications = new NotificationActions(this, recentTouches, uuidGenerator, Log);
Patches = new PatchActions(this, recentTouches, uuidGenerator, Log);
Queries = new QueryActions(this, recentTouches, uuidGenerator, Log);
Tasks = new TaskActions(this, recentTouches, uuidGenerator, Log);
Transformers = new TransformerActions(this, recentTouches, uuidGenerator, Log);
inFlightTransactionalState = TransactionalStorage.GetInFlightTransactionalState(this, Documents.Put, Documents.Delete);
CompleteWorkContextSetup();
prefetcher = new Prefetcher(workContext);
indexingExecuter = new IndexingExecuter(workContext, prefetcher);
RaiseIndexingWiringComplete();
InitializeTriggersExceptIndexCodecs();
SecondStageInitialization();
ExecuteStartupTasks();
lastCollectionEtags.InitializeBasedOnIndexingResults();
Log.Debug("Finish loading the following database: {0}", configuration.DatabaseName ?? Constants.SystemDatabase);
}
catch (Exception)
{
Dispose();
throw;
}
}
}
public async Task <HttpResponseMessage> Restore()
{
if (EnsureSystemDatabase() == false)
{
return(GetMessageWithString("Restore is only possible from the system database", HttpStatusCode.BadRequest));
}
var restoreStatus = new RestoreStatus {
Messages = new List <string>()
};
var restoreRequest = await ReadJsonObjectAsync <DatabaseRestoreRequest>();
DatabaseDocument databaseDocument = null;
var databaseDocumentPath = MaintenanceActions.FindDatabaseDocument(restoreRequest.BackupLocation);
if (File.Exists(databaseDocumentPath))
{
var databaseDocumentText = File.ReadAllText(databaseDocumentPath);
databaseDocument = RavenJObject.Parse(databaseDocumentText).JsonDeserialization <DatabaseDocument>();
}
var databaseName = !string.IsNullOrWhiteSpace(restoreRequest.DatabaseName) ? restoreRequest.DatabaseName
: databaseDocument == null ? null : databaseDocument.Id;
if (string.IsNullOrWhiteSpace(databaseName))
{
var errorMessage = (databaseDocument == null || String.IsNullOrWhiteSpace(databaseDocument.Id))
? "Database.Document file is invalid - database name was not found and not supplied in the request (Id property is missing or null). This is probably a bug - should never happen."
: "A database name must be supplied if the restore location does not contain a valid Database.Document file";
restoreStatus.Messages.Add(errorMessage);
DatabasesLandlord.SystemDatabase.Documents.Put(RestoreStatus.RavenRestoreStatusDocumentKey, null, RavenJObject.FromObject(new { restoreStatus }), new RavenJObject(), null);
return(GetMessageWithString(errorMessage, HttpStatusCode.BadRequest));
}
if (databaseName == Constants.SystemDatabase)
{
return(GetMessageWithString("Cannot do an online restore for the <system> database", HttpStatusCode.BadRequest));
}
var existingDatabase = Database.Documents.GetDocumentMetadata("Raven/Databases/" + databaseName, null);
if (existingDatabase != null)
{
return(GetMessageWithString("Cannot do an online restore for an existing database, delete the database " + databaseName + " and restore again.", HttpStatusCode.BadRequest));
}
var ravenConfiguration = new RavenConfiguration
{
DatabaseName = databaseName,
IsTenantDatabase = true
};
if (databaseDocument != null)
{
foreach (var setting in databaseDocument.Settings)
{
ravenConfiguration.Settings[setting.Key] = setting.Value;
}
}
if (File.Exists(Path.Combine(restoreRequest.BackupLocation, BackupMethods.Filename)))
{
ravenConfiguration.DefaultStorageTypeName = typeof(Raven.Storage.Voron.TransactionalStorage).AssemblyQualifiedName;
}
else if (Directory.Exists(Path.Combine(restoreRequest.BackupLocation, "new")))
{
ravenConfiguration.DefaultStorageTypeName = typeof(Raven.Storage.Esent.TransactionalStorage).AssemblyQualifiedName;
}
ravenConfiguration.CustomizeValuesForTenant(databaseName);
ravenConfiguration.Initialize();
string documentDataDir;
ravenConfiguration.DataDirectory = ResolveTenantDataDirectory(restoreRequest.DatabaseLocation, databaseName, out documentDataDir);
restoreRequest.DatabaseLocation = ravenConfiguration.DataDirectory;
DatabasesLandlord.SystemDatabase.Documents.Delete(RestoreStatus.RavenRestoreStatusDocumentKey, null, null);
bool defrag;
if (bool.TryParse(GetQueryStringValue("defrag"), out defrag))
{
restoreRequest.Defrag = defrag;
}
var task = Task.Factory.StartNew(() =>
{
MaintenanceActions.Restore(ravenConfiguration, restoreRequest,
msg =>
{
restoreStatus.Messages.Add(msg);
DatabasesLandlord.SystemDatabase.Documents.Put(RestoreStatus.RavenRestoreStatusDocumentKey, null,
RavenJObject.FromObject(restoreStatus), new RavenJObject(), null);
});
if (databaseDocument == null)
{
return;
}
databaseDocument.Settings[Constants.RavenDataDir] = documentDataDir;
if (restoreRequest.IndexesLocation != null)
{
databaseDocument.Settings[Constants.RavenIndexPath] = restoreRequest.IndexesLocation;
}
if (restoreRequest.JournalsLocation != null)
{
databaseDocument.Settings[Constants.RavenTxJournalPath] = restoreRequest.JournalsLocation;
}
databaseDocument.Id = databaseName;
DatabasesLandlord.Protect(databaseDocument);
DatabasesLandlord.SystemDatabase.Documents.Put("Raven/Databases/" + databaseName, null, RavenJObject.FromObject(databaseDocument),
new RavenJObject(), null);
restoreStatus.Messages.Add("The new database was created");
DatabasesLandlord.SystemDatabase.Documents.Put(RestoreStatus.RavenRestoreStatusDocumentKey, null,
RavenJObject.FromObject(restoreStatus), new RavenJObject(), null);
}, TaskCreationOptions.LongRunning);
long id;
Database.Tasks.AddTask(task, new object(), new TaskActions.PendingTaskDescription
{
StartTime = SystemTime.UtcNow,
TaskType = TaskActions.PendingTaskType.RestoreDatabase,
Payload = "Restoring database " + databaseName + " from " + restoreRequest.BackupLocation
}, out id);
return(GetMessageWithObject(new
{
OperationId = id
}));
}
public DocumentDatabase(InMemoryRavenConfiguration configuration, TransportState recievedTransportState = null)
{
TimerManager = new ResourceTimerManager();
DocumentLock = new PutSerialLock();
IdentityLock = new PutSerialLock();
Name = configuration.DatabaseName;
ResourceName = Name;
Configuration = configuration;
transportState = recievedTransportState ?? new TransportState();
ExtensionsState = new AtomicDictionary<object>();
using (LogManager.OpenMappedContext("database", Name ?? Constants.SystemDatabase))
{
Log.Debug("Start loading the following database: {0}", Name ?? Constants.SystemDatabase);
initializer = new DocumentDatabaseInitializer(this, configuration);
initializer.ValidateLicense();
initializer.ValidateStorage();
initializer.InitializeEncryption();
initializer.SubscribeToDomainUnloadOrProcessExit();
initializer.SubscribeToDiskSpaceChanges();
initializer.ExecuteAlterConfiguration();
initializer.SatisfyImportsOnce();
backgroundTaskScheduler = configuration.CustomTaskScheduler ?? TaskScheduler.Default;
recentTouches = new SizeLimitedConcurrentDictionary<string, TouchedDocumentInfo>(configuration.MaxRecentTouchesToRemember, StringComparer.OrdinalIgnoreCase);
configuration.Container.SatisfyImportsOnce(this);
workContext = new WorkContext
{
Database = this,
DatabaseName = Name,
IndexUpdateTriggers = IndexUpdateTriggers,
ReadTriggers = ReadTriggers,
TaskScheduler = backgroundTaskScheduler,
Configuration = configuration,
IndexReaderWarmers = IndexReaderWarmers
};
try
{
uuidGenerator = new SequentialUuidGenerator();
initializer.InitializeTransactionalStorage(uuidGenerator);
lastCollectionEtags = new LastCollectionEtags(WorkContext);
}
catch (Exception ex)
{
Log.ErrorException("Could not initialize transactional storage, not creating database", ex);
try
{
if (TransactionalStorage != null)
TransactionalStorage.Dispose();
if (initializer != null)
{
initializer.UnsubscribeToDomainUnloadOrProcessExit();
initializer.Dispose();
}
}
catch (Exception e)
{
Log.ErrorException("Could not dispose on initialized DocumentDatabase members", e);
}
throw;
}
try
{
TransactionalStorage.Batch(actions => uuidGenerator.EtagBase = actions.General.GetNextIdentityValue("Raven/Etag"));
initializer.InitializeIndexDefinitionStorage();
Indexes = new IndexActions(this, recentTouches, uuidGenerator, Log);
Attachments = new AttachmentActions(this, recentTouches, uuidGenerator, Log);
Maintenance = new MaintenanceActions(this, recentTouches, uuidGenerator, Log);
Notifications = new NotificationActions(this, recentTouches, uuidGenerator, Log);
Subscriptions = new SubscriptionActions(this, Log);
Patches = new PatchActions(this, recentTouches, uuidGenerator, Log);
Queries = new QueryActions(this, recentTouches, uuidGenerator, Log);
Tasks = new TaskActions(this, recentTouches, uuidGenerator, Log);
Transformers = new TransformerActions(this, recentTouches, uuidGenerator, Log);
Documents = new DocumentActions(this, recentTouches, uuidGenerator, Log);
inFlightTransactionalState = TransactionalStorage.InitializeInFlightTransactionalState(this,
(key, etag, document, metadata, transactionInformation) => Documents.Put(key, etag, document, metadata, transactionInformation),
(key, etag, transactionInformation) => Documents.Delete(key, etag, transactionInformation));
InitializeTriggersExceptIndexCodecs();
// Second stage initializing before index storage for determining the hash algotihm for encrypted databases that were upgraded from 2.5
SecondStageInitialization();
// Index codecs must be initialized before we try to read an index
InitializeIndexCodecTriggers();
initializer.InitializeIndexStorage();
CompleteWorkContextSetup();
prefetcher = new Prefetcher(workContext);
IndexReplacer = new IndexReplacer(this);
indexingExecuter = new IndexingExecuter(workContext, prefetcher, IndexReplacer);
InitializeTriggersExceptIndexCodecs();
EnsureAllIndexDefinitionsHaveIndexes();
RaiseIndexingWiringComplete();
ExecuteStartupTasks();
lastCollectionEtags.InitializeBasedOnIndexingResults();
Log.Debug("Finish loading the following database: {0}", configuration.DatabaseName ?? Constants.SystemDatabase);
}
catch (Exception e)
{
Log.ErrorException("Could not create database", e);
try
{
Dispose();
}
catch (Exception ex)
{
Log.FatalException("Failed to disposed when already getting an error during ctor", ex);
}
throw;
}
}
}
public async Task <HttpResponseMessage> Restore()
{
if (EnsureSystemDatabase() == false)
{
return(GetMessageWithString("Restore is only possible from the system database", HttpStatusCode.BadRequest));
}
var restoreStatus = new RestoreStatus {
State = RestoreStatusState.Running, Messages = new List <string>()
};
var restoreRequest = await ReadJsonObjectAsync <DatabaseRestoreRequest>();
DatabaseDocument databaseDocument = null;
var databaseDocumentPath = MaintenanceActions.FindDatabaseDocument(restoreRequest.BackupLocation);
if (File.Exists(databaseDocumentPath))
{
var databaseDocumentText = File.ReadAllText(databaseDocumentPath);
databaseDocument = RavenJObject.Parse(databaseDocumentText).JsonDeserialization <DatabaseDocument>();
}
var databaseName = !string.IsNullOrWhiteSpace(restoreRequest.DatabaseName) ? restoreRequest.DatabaseName
: databaseDocument == null ? null : databaseDocument.Id;
if (string.IsNullOrWhiteSpace(databaseName))
{
var errorMessage = (databaseDocument == null || String.IsNullOrWhiteSpace(databaseDocument.Id))
? "Database.Document file is invalid - database name was not found and not supplied in the request (Id property is missing or null). This is probably a bug - should never happen."
: "A database name must be supplied if the restore location does not contain a valid Database.Document file";
restoreStatus.Messages.Add(errorMessage);
DatabasesLandlord.SystemDatabase.Documents.Put(RestoreStatus.RavenRestoreStatusDocumentKey, null, RavenJObject.FromObject(new { restoreStatus }), new RavenJObject(), null);
return(GetMessageWithString(errorMessage, HttpStatusCode.BadRequest));
}
if (databaseName == Constants.SystemDatabase)
{
return(GetMessageWithString("Cannot do an online restore for the <system> database", HttpStatusCode.BadRequest));
}
var existingDatabase = Database.Documents.GetDocumentMetadata("Raven/Databases/" + databaseName, null);
if (existingDatabase != null)
{
return(GetMessageWithString("Cannot do an online restore for an existing database, delete the database " + databaseName + " and restore again.", HttpStatusCode.BadRequest));
}
var ravenConfiguration = new RavenConfiguration
{
DatabaseName = databaseName,
IsTenantDatabase = true
};
if (databaseDocument != null)
{
foreach (var setting in databaseDocument.Settings)
{
ravenConfiguration.Settings[setting.Key] = setting.Value;
}
}
if (File.Exists(Path.Combine(restoreRequest.BackupLocation, BackupMethods.Filename)))
{
ravenConfiguration.DefaultStorageTypeName = typeof(Raven.Storage.Voron.TransactionalStorage).AssemblyQualifiedName;
}
else if (Directory.Exists(Path.Combine(restoreRequest.BackupLocation, "new")))
{
ravenConfiguration.DefaultStorageTypeName = typeof(Raven.Storage.Esent.TransactionalStorage).AssemblyQualifiedName;
}
ravenConfiguration.CustomizeValuesForDatabaseTenant(databaseName);
ravenConfiguration.Initialize();
string documentDataDir;
ravenConfiguration.DataDirectory = ResolveTenantDataDirectory(restoreRequest.DatabaseLocation, databaseName, out documentDataDir);
restoreRequest.DatabaseLocation = ravenConfiguration.DataDirectory;
string anotherRestoreResourceName;
if (IsAnotherRestoreInProgress(out anotherRestoreResourceName))
{
if (restoreRequest.RestoreStartTimeout.HasValue)
{
try
{
using (var cts = new CancellationTokenSource())
{
cts.CancelAfter(TimeSpan.FromSeconds(restoreRequest.RestoreStartTimeout.Value));
var token = cts.Token;
do
{
await Task.Delay(500, token);
}while (IsAnotherRestoreInProgress(out anotherRestoreResourceName));
}
}
catch (OperationCanceledException)
{
return(GetMessageWithString(string.Format("Another restore is still in progress (resource name = {0}). Waited {1} seconds for other restore to complete.", anotherRestoreResourceName, restoreRequest.RestoreStartTimeout.Value), HttpStatusCode.ServiceUnavailable));
}
}
else
{
return(GetMessageWithString(string.Format("Another restore is in progress (resource name = {0})", anotherRestoreResourceName), HttpStatusCode.ServiceUnavailable));
}
}
Database.Documents.Put(RestoreInProgress.RavenRestoreInProgressDocumentKey, null, RavenJObject.FromObject(new RestoreInProgress
{
Resource = databaseName
}), new RavenJObject(), null);
DatabasesLandlord.SystemDatabase.Documents.Delete(RestoreStatus.RavenRestoreStatusDocumentKey, null, null);
bool defrag;
if (bool.TryParse(GetQueryStringValue("defrag"), out defrag))
{
restoreRequest.Defrag = defrag;
}
var task = Task.Factory.StartNew(() =>
{
try
{
MaintenanceActions.Restore(ravenConfiguration, restoreRequest,
msg =>
{
restoreStatus.Messages.Add(msg);
DatabasesLandlord.SystemDatabase.Documents.Put(RestoreStatus.RavenRestoreStatusDocumentKey, null,
RavenJObject.FromObject(restoreStatus), new RavenJObject(), null);
});
if (databaseDocument == null)
{
return;
}
databaseDocument.Settings[Constants.RavenDataDir] = documentDataDir;
if (restoreRequest.IndexesLocation != null)
{
databaseDocument.Settings[Constants.RavenIndexPath] = restoreRequest.IndexesLocation;
}
if (restoreRequest.JournalsLocation != null)
{
databaseDocument.Settings[Constants.RavenTxJournalPath] = restoreRequest.JournalsLocation;
}
bool replicationBundleRemoved = false;
if (restoreRequest.DisableReplicationDestinations)
{
replicationBundleRemoved = TryRemoveReplicationBundle(databaseDocument);
}
databaseDocument.Id = databaseName;
DatabasesLandlord.Protect(databaseDocument);
DatabasesLandlord
.SystemDatabase
.Documents
.Put("Raven/Databases/" + databaseName, null, RavenJObject.FromObject(databaseDocument), new RavenJObject(), null);
restoreStatus.Messages.Add("The new database was created");
restoreStatus.State = RestoreStatusState.Completed;
DatabasesLandlord.SystemDatabase.Documents.Put(RestoreStatus.RavenRestoreStatusDocumentKey, null,
RavenJObject.FromObject(restoreStatus), new RavenJObject(), null);
if (restoreRequest.GenerateNewDatabaseId)
{
GenerateNewDatabaseId(databaseName);
}
if (replicationBundleRemoved)
{
AddReplicationBundleAndDisableReplicationDestinations(databaseName);
}
}
catch (Exception e)
{
restoreStatus.State = RestoreStatusState.Faulted;
restoreStatus.Messages.Add("Unable to restore database " + e.Message);
DatabasesLandlord.SystemDatabase.Documents.Put(RestoreStatus.RavenRestoreStatusDocumentKey, null,
RavenJObject.FromObject(restoreStatus), new RavenJObject(), null);
throw;
}
finally
{
Database.Documents.Delete(RestoreInProgress.RavenRestoreInProgressDocumentKey, null, null);
}
}, TaskCreationOptions.LongRunning);
long id;
Database.Tasks.AddTask(task, new TaskBasedOperationState(task), new TaskActions.PendingTaskDescription
{
StartTime = SystemTime.UtcNow,
TaskType = TaskActions.PendingTaskType.RestoreDatabase,
Payload = "Restoring database " + databaseName + " from " + restoreRequest.BackupLocation
}, out id);
return(GetMessageWithObject(new
{
OperationId = id
}));
}