public HealthCheckHostedService(IClusterClient client, IMembershipOracle oracle, IOptions <HealthCheckHostedServiceOptions> myOptions)
{
host = new WebHostBuilder()
.UseKestrel(options => options.ListenAnyIP(myOptions.Value.Port))
.ConfigureServices(services =>
{
services.AddHealthChecks()
.AddCheck <GrainHealthCheck>("GrainHealth")
.AddCheck <SiloHealthCheck>("SiloHealth")
.AddCheck <StorageHealthCheck>("StorageHealth")
.AddCheck <ClusterHealthCheck>("ClusterHealth");
services.AddSingleton <IHealthCheckPublisher, LoggingHealthCheckPublisher>()
.Configure <HealthCheckPublisherOptions>(options =>
{
options.Period = TimeSpan.FromSeconds(1);
});
services.AddSingleton(client);
services.AddSingleton(Enumerable.AsEnumerable(new IHealthCheckParticipant[] { oracle }));
})
.ConfigureLogging(builder =>
{
builder.AddConsole();
})
.Configure(app =>
{
app.UseHealthChecks(myOptions.Value.PathString);
})
.Build();
}
public DummySilo(
ILifecycleObservable lifecycle,
ILoggerFactory loggerFactory,
IMembershipOracle membershipOracle,
IReminderService reminderService,
IMessageCenter messageCenter,
IRuntime runtime)
{
logger = loggerFactory.CreateLogger <DummySilo>();
lifecycle.Subscribe(Initialize, Start, Stop);
}
public TestHooksSystemTarget(
ISiloHost host,
ILocalSiloDetails siloDetails,
ILoggerFactory loggerFactory,
IMembershipOracle clusteringOracle,
TestHooksHostEnvironmentStatistics hostEnvironmentStatistics,
IOptions <LoadSheddingOptions> loadSheddingOptions)
: base(Constants.TestHooksSystemTargetId, siloDetails.SiloAddress, loggerFactory)
{
this.host = host;
this.clusteringOracle = clusteringOracle;
this.hostEnvironmentStatistics = hostEnvironmentStatistics;
this.loadSheddingOptions = loadSheddingOptions.Value;
this.consistentRingProvider = this.host.Services.GetRequiredService <IConsistentRingProvider>();
}
public ApiHostedService(
IOptions <ApiHostedServiceOptions> options,
IClusterClient client,
IMembershipOracle oracle,
IConfiguration configuration,
IExportLocatorScope exportScope,
IAppInfo appInfo,
ILogger <ApiHostedService> logger
)
{
_appInfo = appInfo;
_logger = logger;
logger.LogInformation("Initializing api {appName} ({version}) [{env}] on port {apiPort}...",
appInfo.Name, appInfo.Version, appInfo.Environment, options.Value.Port);
_host = WebHost.CreateDefaultBuilder()
.UseGrace(new InjectionScopeConfiguration
{
Behaviors = { AllowInstanceAndFactoryToReturnNull = true }
})
.UseSerilog()
.UseConfiguration(configuration)
.ConfigureAppConfiguration(cfg =>
{
cfg.Sources.Clear();
cfg.AddConfiguration(configuration);
})
.ConfigureServices(services =>
{
services.AddSingleton(appInfo);
services.AddSingleton(client);
services.AddSingleton(exportScope);
})
.UseStartup <ApiStartup>()
.UseUrls($"http://*:{options.Value.Port}")
.Build();
}
internal Silo(SiloInitializationParameters initializationParams, IServiceProvider services)
{
string name = initializationParams.Name;
ClusterConfiguration config = initializationParams.ClusterConfig;
this.initializationParams = initializationParams;
this.SystemStatus = SystemStatus.Creating;
AsynchAgent.IsStarting = true;
var startTime = DateTime.UtcNow;
services?.GetService <TelemetryManager>()?.AddFromConfiguration(services, LocalConfig.TelemetryConfiguration);
StatisticsCollector.Initialize(LocalConfig);
initTimeout = GlobalConfig.MaxJoinAttemptTime;
if (Debugger.IsAttached)
{
initTimeout = StandardExtensions.Max(TimeSpan.FromMinutes(10), GlobalConfig.MaxJoinAttemptTime);
stopTimeout = initTimeout;
}
var localEndpoint = this.initializationParams.SiloAddress.Endpoint;
// Configure DI using Startup type
if (services == null)
{
var serviceCollection = new ServiceCollection();
serviceCollection.AddSingleton <Silo>(this);
serviceCollection.AddSingleton(initializationParams);
serviceCollection.AddLegacyClusterConfigurationSupport(config);
serviceCollection.Configure <SiloIdentityOptions>(options => options.SiloName = name);
var hostContext = new HostBuilderContext(new Dictionary <object, object>());
DefaultSiloServices.AddDefaultServices(hostContext, serviceCollection);
var applicationPartManager = hostContext.GetApplicationPartManager();
applicationPartManager.AddApplicationPartsFromAppDomain();
applicationPartManager.AddApplicationPartsFromBasePath();
services = StartupBuilder.ConfigureStartup(this.LocalConfig.StartupTypeName, serviceCollection);
services.GetService <TelemetryManager>()?.AddFromConfiguration(services, LocalConfig.TelemetryConfiguration);
}
services.GetService <SerializationManager>().RegisterSerializers(services.GetService <ApplicationPartManager>());
this.Services = services;
this.Services.InitializeSiloUnobservedExceptionsHandler();
//set PropagateActivityId flag from node cofnig
RequestContext.PropagateActivityId = this.initializationParams.NodeConfig.PropagateActivityId;
this.loggerFactory = this.Services.GetRequiredService <ILoggerFactory>();
logger = this.loggerFactory.CreateLogger <Silo>();
logger.Info(ErrorCode.SiloGcSetting, "Silo starting with GC settings: ServerGC={0} GCLatencyMode={1}", GCSettings.IsServerGC, Enum.GetName(typeof(GCLatencyMode), GCSettings.LatencyMode));
if (!GCSettings.IsServerGC)
{
logger.Warn(ErrorCode.SiloGcWarning, "Note: Silo not running with ServerGC turned on - recommend checking app config : <configuration>-<runtime>-<gcServer enabled=\"true\">");
logger.Warn(ErrorCode.SiloGcWarning, "Note: ServerGC only kicks in on multi-core systems (settings enabling ServerGC have no effect on single-core machines).");
}
logger.Info(ErrorCode.SiloInitializing, "-------------- Initializing {0} silo on host {1} MachineName {2} at {3}, gen {4} --------------",
this.initializationParams.Type, LocalConfig.DNSHostName, Environment.MachineName, localEndpoint, this.initializationParams.SiloAddress.Generation);
logger.Info(ErrorCode.SiloInitConfig, "Starting silo {0} with the following configuration= " + Environment.NewLine + "{1}",
name, config.ToString(name));
var siloMessagingOptions = this.Services.GetRequiredService <IOptions <SiloMessagingOptions> >();
BufferPool.InitGlobalBufferPool(siloMessagingOptions);
try
{
grainFactory = Services.GetRequiredService <GrainFactory>();
}
catch (InvalidOperationException exc)
{
logger.Error(ErrorCode.SiloStartError, "Exception during Silo.Start, GrainFactory was not registered in Dependency Injection container", exc);
throw;
}
// Performance metrics
siloStatistics = Services.GetRequiredService <SiloStatisticsManager>();
// The scheduler
scheduler = Services.GetRequiredService <OrleansTaskScheduler>();
healthCheckParticipants.Add(scheduler);
runtimeClient = Services.GetRequiredService <InsideRuntimeClient>();
// Initialize the message center
messageCenter = Services.GetRequiredService <MessageCenter>();
var dispatcher = this.Services.GetRequiredService <Dispatcher>();
messageCenter.RerouteHandler = dispatcher.RerouteMessage;
messageCenter.SniffIncomingMessage = runtimeClient.SniffIncomingMessage;
// GrainRuntime can be created only here, after messageCenter was created.
grainRuntime = Services.GetRequiredService <IGrainRuntime>();
StreamProviderManager = Services.GetRequiredService <IStreamProviderManager>();
// Now the router/directory service
// This has to come after the message center //; note that it then gets injected back into the message center.;
localGrainDirectory = Services.GetRequiredService <LocalGrainDirectory>();
// Now the activation directory.
activationDirectory = Services.GetRequiredService <ActivationDirectory>();
// Now the consistent ring provider
RingProvider = Services.GetRequiredService <IConsistentRingProvider>();
catalog = Services.GetRequiredService <Catalog>();
siloStatistics.MetricsTable.Scheduler = scheduler;
siloStatistics.MetricsTable.ActivationDirectory = activationDirectory;
siloStatistics.MetricsTable.ActivationCollector = catalog.ActivationCollector;
siloStatistics.MetricsTable.MessageCenter = messageCenter;
executorService = Services.GetRequiredService <ExecutorService>();
// Now the incoming message agents
var messageFactory = this.Services.GetRequiredService <MessageFactory>();
incomingSystemAgent = new IncomingMessageAgent(Message.Categories.System, messageCenter, activationDirectory, scheduler, catalog.Dispatcher, messageFactory, executorService, this.loggerFactory);
incomingPingAgent = new IncomingMessageAgent(Message.Categories.Ping, messageCenter, activationDirectory, scheduler, catalog.Dispatcher, messageFactory, executorService, this.loggerFactory);
incomingAgent = new IncomingMessageAgent(Message.Categories.Application, messageCenter, activationDirectory, scheduler, catalog.Dispatcher, messageFactory, executorService, this.loggerFactory);
membershipOracle = Services.GetRequiredService <IMembershipOracle>();
if (!this.GlobalConfig.HasMultiClusterNetwork)
{
logger.Info("Skip multicluster oracle creation (no multicluster network configured)");
}
else
{
multiClusterOracle = Services.GetRequiredService <IMultiClusterOracle>();
}
this.SystemStatus = SystemStatus.Created;
AsynchAgent.IsStarting = false;
StringValueStatistic.FindOrCreate(StatisticNames.SILO_START_TIME,
() => LogFormatter.PrintDate(startTime)); // this will help troubleshoot production deployment when looking at MDS logs.
var fullSiloLifecycle = this.Services.GetRequiredService <SiloLifecycle>();
this.siloLifecycle = fullSiloLifecycle;
IEnumerable <ILifecycleParticipant <ISiloLifecycle> > lifecyleParticipants = this.Services.GetServices <ILifecycleParticipant <ISiloLifecycle> >();
foreach (ILifecycleParticipant <ISiloLifecycle> participant in lifecyleParticipants)
{
participant.Participate(fullSiloLifecycle);
}
this.Participate(fullSiloLifecycle);
logger.Info(ErrorCode.SiloInitializingFinished, "-------------- Started silo {0}, ConsistentHashCode {1:X} --------------", SiloAddress.ToLongString(), SiloAddress.GetConsistentHashCode());
}
private void DoStart()
{
lock (lockable)
{
if (SystemStatus.Current != SystemStatus.Created)
{
throw new InvalidOperationException(String.Format("Calling Silo.Start() on a silo which is not in the Start state. This silo is in the {0} state.", SystemStatus.Current));
}
SystemStatus.Current = SystemStatus.Starting;
}
logger.Info(ErrorCode.SiloStarting, "Silo Start()");
// Hook up to receive notification of process exit / Ctrl-C events
AppDomain.CurrentDomain.ProcessExit += HandleProcessExit;
Console.CancelKeyPress += HandleProcessExit;
ConfigureThreadPoolAndServicePointSettings();
// This has to start first so that the directory system target factory gets loaded before we start the router.
typeManager.Start();
InsideRuntimeClient.Current.Start();
// The order of these 4 is pretty much arbitrary.
scheduler.Start();
messageCenter.Start();
incomingPingAgent.Start();
incomingSystemAgent.Start();
incomingAgent.Start();
LocalGrainDirectory.Start();
// Set up an execution context for this thread so that the target creation steps can use asynch values.
RuntimeContext.InitializeMainThread();
SiloProviderRuntime.Initialize(GlobalConfig);
statisticsProviderManager = new StatisticsProviderManager("Statistics", SiloProviderRuntime.Instance);
string statsProviderName = statisticsProviderManager.LoadProvider(GlobalConfig.ProviderConfigurations)
.WaitForResultWithThrow(initTimeout);
if (statsProviderName != null)
{
LocalConfig.StatisticsProviderName = statsProviderName;
}
// can call SetSiloMetricsTableDataManager only after MessageCenter is created (dependency on this.SiloAddress).
siloStatistics.SetSiloStatsTableDataManager(this, nodeConfig).WaitWithThrow(initTimeout);
siloStatistics.SetSiloMetricsTableDataManager(this, nodeConfig).WaitWithThrow(initTimeout);
membershipOracle = membershipFactory.CreateMembershipOracle(this).WaitForResultWithThrow(initTimeout);
// This has to follow the above steps that start the runtime components
CreateSystemTargets();
InjectDependencies();
// ensure this runs in the grain context, wait for it to complete
scheduler.QueueTask(CreateSystemGrains, catalog.SchedulingContext)
.WaitWithThrow(initTimeout);
// Initialize storage providers once we have a basic silo runtime environment operating
storageProviderManager = new StorageProviderManager();
scheduler.QueueTask(
() => storageProviderManager.LoadStorageProviders(GlobalConfig.ProviderConfigurations),
providerManagerSystemTarget.SchedulingContext)
.WaitWithThrow(initTimeout);
catalog.SetStorageManager(storageProviderManager);
// Load and init stream providers before silo becomes active
var siloStreamProviderManager = new Orleans.Streams.StreamProviderManager();
scheduler.QueueTask(
() => siloStreamProviderManager.LoadStreamProviders(this.GlobalConfig.ProviderConfigurations, SiloProviderRuntime.Instance),
providerManagerSystemTarget.SchedulingContext)
.WaitWithThrow(initTimeout);
InsideRuntimeClient.Current.CurrentStreamProviderManager = siloStreamProviderManager;
ISchedulingContext statusOracleContext = ((SystemTarget)LocalSiloStatusOracle).SchedulingContext;
bool waitForPrimaryToStart = globalConfig.PrimaryNodeIsRequired && siloType != SiloType.Primary;
scheduler.QueueTask(() => LocalSiloStatusOracle.Start(waitForPrimaryToStart), statusOracleContext)
.WaitWithThrow(initTimeout);
scheduler.QueueTask(LocalSiloStatusOracle.BecomeActive, statusOracleContext)
.WaitWithThrow(initTimeout);
try
{
siloStatistics.Start(LocalConfig);
// Finally, initialize the deployment load collector, for grains with load-based placement
scheduler.QueueTask(DeploymentLoadPublisher.Instance.Start, DeploymentLoadPublisher.Instance.SchedulingContext)
.WaitWithThrow(initTimeout);
// Start background timer tick to watch for platform execution stalls, such as when GC kicks in
platformWatchdog = new Watchdog(nodeConfig.StatisticsLogWriteInterval, healthCheckParticipants);
platformWatchdog.Start();
// so, we have the view of the membership in the consistentRingProvider. We can start the reminder service
scheduler.QueueTask(reminderService.Start, ((SystemTarget)reminderService).SchedulingContext)
.WaitWithThrow(initTimeout);
// Start stream providers after silo is active (so the pulling agents don't start sending messages before silo is active).
scheduler.QueueTask(siloStreamProviderManager.StartStreamProviders, providerManagerSystemTarget.SchedulingContext)
.WaitWithThrow(initTimeout);
var bootstrapProviderManager = new BootstrapProviderManager();
scheduler.QueueTask(
() => bootstrapProviderManager.LoadAppBootstrapProviders(GlobalConfig.ProviderConfigurations),
providerManagerSystemTarget.SchedulingContext)
.WaitWithThrow(initTimeout);
BootstrapProviders = bootstrapProviderManager.GetProviders(); // Data hook for testing & diagnotics
// Now that we're active, we can start the gateway
var mc = messageCenter as MessageCenter;
if (mc != null)
{
mc.StartGateway();
}
SystemStatus.Current = SystemStatus.Running;
}
catch (Exception exc)
{
SafeExecute(() => logger.Error(ErrorCode.Runtime_Error_100330, String.Format("Error starting silo {0}. Going to FastKill().", SiloAddress), exc));
FastKill(); // if failed after Membership became active, mark itself as dead in Membership abale.
throw;
}
}
public Silo(ILocalSiloDetails siloDetails, IServiceProvider services)
{
string name = siloDetails.Name;
// Temporarily still require this. Hopefuly gone when 2.0 is released.
this.siloDetails = siloDetails;
this.SystemStatus = SystemStatus.Creating;
AsynchAgent.IsStarting = true; // todo. use ISiloLifecycle instead?
var startTime = DateTime.UtcNow;
IOptions <ClusterMembershipOptions> clusterMembershipOptions = services.GetRequiredService <IOptions <ClusterMembershipOptions> >();
initTimeout = clusterMembershipOptions.Value.MaxJoinAttemptTime;
if (Debugger.IsAttached)
{
initTimeout = StandardExtensions.Max(TimeSpan.FromMinutes(10), clusterMembershipOptions.Value.MaxJoinAttemptTime);
stopTimeout = initTimeout;
}
var localEndpoint = this.siloDetails.SiloAddress.Endpoint;
services.GetService <SerializationManager>().RegisterSerializers(services.GetService <IApplicationPartManager>());
this.Services = services;
this.Services.InitializeSiloUnobservedExceptionsHandler();
//set PropagateActivityId flag from node config
IOptions <SiloMessagingOptions> messagingOptions = services.GetRequiredService <IOptions <SiloMessagingOptions> >();
RequestContext.PropagateActivityId = messagingOptions.Value.PropagateActivityId;
this.loggerFactory = this.Services.GetRequiredService <ILoggerFactory>();
logger = this.loggerFactory.CreateLogger <Silo>();
logger.Info(ErrorCode.SiloGcSetting, "Silo starting with GC settings: ServerGC={0} GCLatencyMode={1}", GCSettings.IsServerGC, Enum.GetName(typeof(GCLatencyMode), GCSettings.LatencyMode));
if (!GCSettings.IsServerGC)
{
logger.Warn(ErrorCode.SiloGcWarning, "Note: Silo not running with ServerGC turned on - recommend checking app config : <configuration>-<runtime>-<gcServer enabled=\"true\">");
logger.Warn(ErrorCode.SiloGcWarning, "Note: ServerGC only kicks in on multi-core systems (settings enabling ServerGC have no effect on single-core machines).");
}
logger.Info(ErrorCode.SiloInitializing, "-------------- Initializing silo on host {0} MachineName {1} at {2}, gen {3} --------------",
this.siloDetails.DnsHostName, Environment.MachineName, localEndpoint, this.siloDetails.SiloAddress.Generation);
logger.Info(ErrorCode.SiloInitConfig, "Starting silo {0}", name);
var siloMessagingOptions = this.Services.GetRequiredService <IOptions <SiloMessagingOptions> >();
BufferPool.InitGlobalBufferPool(siloMessagingOptions.Value);
try
{
grainFactory = Services.GetRequiredService <GrainFactory>();
}
catch (InvalidOperationException exc)
{
logger.Error(ErrorCode.SiloStartError, "Exception during Silo.Start, GrainFactory was not registered in Dependency Injection container", exc);
throw;
}
// Performance metrics
siloStatistics = Services.GetRequiredService <SiloStatisticsManager>();
// The scheduler
scheduler = Services.GetRequiredService <OrleansTaskScheduler>();
healthCheckParticipants.Add(scheduler);
runtimeClient = Services.GetRequiredService <InsideRuntimeClient>();
// Initialize the message center
messageCenter = Services.GetRequiredService <MessageCenter>();
var dispatcher = this.Services.GetRequiredService <Dispatcher>();
messageCenter.RerouteHandler = dispatcher.RerouteMessage;
messageCenter.SniffIncomingMessage = runtimeClient.SniffIncomingMessage;
// Now the router/directory service
// This has to come after the message center //; note that it then gets injected back into the message center.;
localGrainDirectory = Services.GetRequiredService <LocalGrainDirectory>();
// Now the activation directory.
activationDirectory = Services.GetRequiredService <ActivationDirectory>();
// Now the consistent ring provider
RingProvider = Services.GetRequiredService <IConsistentRingProvider>();
catalog = Services.GetRequiredService <Catalog>();
executorService = Services.GetRequiredService <ExecutorService>();
// Now the incoming message agents
var messageFactory = this.Services.GetRequiredService <MessageFactory>();
incomingSystemAgent = new IncomingMessageAgent(Message.Categories.System, messageCenter, activationDirectory, scheduler, catalog.Dispatcher, messageFactory, executorService, this.loggerFactory);
incomingPingAgent = new IncomingMessageAgent(Message.Categories.Ping, messageCenter, activationDirectory, scheduler, catalog.Dispatcher, messageFactory, executorService, this.loggerFactory);
incomingAgent = new IncomingMessageAgent(Message.Categories.Application, messageCenter, activationDirectory, scheduler, catalog.Dispatcher, messageFactory, executorService, this.loggerFactory);
membershipOracle = Services.GetRequiredService <IMembershipOracle>();
this.clusterOptions = Services.GetRequiredService <IOptions <ClusterOptions> >().Value;
var multiClusterOptions = Services.GetRequiredService <IOptions <MultiClusterOptions> >().Value;
if (!multiClusterOptions.HasMultiClusterNetwork)
{
logger.Info("Skip multicluster oracle creation (no multicluster network configured)");
}
else
{
multiClusterOracle = Services.GetRequiredService <IMultiClusterOracle>();
}
this.SystemStatus = SystemStatus.Created;
AsynchAgent.IsStarting = false;
StringValueStatistic.FindOrCreate(StatisticNames.SILO_START_TIME,
() => LogFormatter.PrintDate(startTime)); // this will help troubleshoot production deployment when looking at MDS logs.
this.siloLifecycle = this.Services.GetRequiredService <ISiloLifecycleSubject>();
// register all lifecycle participants
IEnumerable <ILifecycleParticipant <ISiloLifecycle> > lifecycleParticipants = this.Services.GetServices <ILifecycleParticipant <ISiloLifecycle> >();
foreach (ILifecycleParticipant <ISiloLifecycle> participant in lifecycleParticipants)
{
participant?.Participate(this.siloLifecycle);
}
// register all named lifecycle participants
IKeyedServiceCollection <string, ILifecycleParticipant <ISiloLifecycle> > namedLifecycleParticipantCollection = this.Services.GetService <IKeyedServiceCollection <string, ILifecycleParticipant <ISiloLifecycle> > >();
foreach (ILifecycleParticipant <ISiloLifecycle> participant in namedLifecycleParticipantCollection
?.GetServices(this.Services)
?.Select(s => s.GetService(this.Services)))
{
participant?.Participate(this.siloLifecycle);
}
// add self to lifecycle
this.Participate(this.siloLifecycle);
logger.Info(ErrorCode.SiloInitializingFinished, "-------------- Started silo {0}, ConsistentHashCode {1:X} --------------", SiloAddress.ToLongString(), SiloAddress.GetConsistentHashCode());
}
internal Silo(SiloInitializationParameters initializationParams)
{
string name = initializationParams.Name;
ClusterConfiguration config = initializationParams.ClusterConfig;
this.initializationParams = initializationParams;
SystemStatus.Current = SystemStatus.Creating;
CurrentSilo = this;
var startTime = DateTime.UtcNow;
siloTerminatedEvent = new ManualResetEvent(false);
if (!LogManager.IsInitialized)
LogManager.Initialize(LocalConfig);
config.OnConfigChange("Defaults/Tracing", () => LogManager.Initialize(LocalConfig, true), false);
MultiClusterRegistrationStrategy.Initialize(config.Globals);
StatisticsCollector.Initialize(LocalConfig);
SerializationManager.Initialize(GlobalConfig.SerializationProviders, this.GlobalConfig.FallbackSerializationProvider);
initTimeout = GlobalConfig.MaxJoinAttemptTime;
if (Debugger.IsAttached)
{
initTimeout = StandardExtensions.Max(TimeSpan.FromMinutes(10), GlobalConfig.MaxJoinAttemptTime);
stopTimeout = initTimeout;
}
var localEndpoint = this.initializationParams.SiloAddress.Endpoint;
LogManager.MyIPEndPoint = localEndpoint;
logger = LogManager.GetLogger("Silo", LoggerType.Runtime);
logger.Info(ErrorCode.SiloGcSetting, "Silo starting with GC settings: ServerGC={0} GCLatencyMode={1}", GCSettings.IsServerGC, Enum.GetName(typeof(GCLatencyMode), GCSettings.LatencyMode));
if (!GCSettings.IsServerGC || !GCSettings.LatencyMode.Equals(GCLatencyMode.Batch))
{
logger.Warn(ErrorCode.SiloGcWarning, "Note: Silo not running with ServerGC turned on or with GCLatencyMode.Batch enabled - recommend checking app config : <configuration>-<runtime>-<gcServer enabled=\"true\"> and <configuration>-<runtime>-<gcConcurrent enabled=\"false\"/>");
logger.Warn(ErrorCode.SiloGcWarning, "Note: ServerGC only kicks in on multi-core systems (settings enabling ServerGC have no effect on single-core machines).");
}
logger.Info(ErrorCode.SiloInitializing, "-------------- Initializing {0} silo on host {1} MachineName {2} at {3}, gen {4} --------------",
this.initializationParams.Type, LocalConfig.DNSHostName, Environment.MachineName, localEndpoint, this.initializationParams.SiloAddress.Generation);
logger.Info(ErrorCode.SiloInitConfig, "Starting silo {0} with the following configuration= " + Environment.NewLine + "{1}",
name, config.ToString(name));
// Configure DI using Startup type
this.Services = StartupBuilder.ConfigureStartup(
this.LocalConfig.StartupTypeName,
(services, usingCustomServiceProvider) =>
{
// add system types
// Note: you can replace IGrainFactory with your own implementation, but
// we don't recommend it, in the aspect of performance and usability
services.TryAddSingleton(sp => sp);
services.TryAddSingleton(this);
services.TryAddSingleton(initializationParams);
services.TryAddSingleton<ILocalSiloDetails>(initializationParams);
services.TryAddSingleton(initializationParams.ClusterConfig);
services.TryAddSingleton(initializationParams.GlobalConfig);
services.TryAddTransient(sp => initializationParams.NodeConfig);
services.TryAddSingleton<ITimerRegistry, TimerRegistry>();
services.TryAddSingleton<IReminderRegistry, ReminderRegistry>();
services.TryAddSingleton<IStreamProviderManager, StreamProviderManager>();
services.TryAddSingleton<GrainRuntime>();
services.TryAddSingleton<IGrainRuntime, GrainRuntime>();
services.TryAddSingleton<OrleansTaskScheduler>();
services.TryAddSingleton<GrainFactory>(sp => sp.GetService<InsideRuntimeClient>().ConcreteGrainFactory);
services.TryAddExisting<IGrainFactory, GrainFactory>();
services.TryAddExisting<IInternalGrainFactory, GrainFactory>();
services.TryAddSingleton<TypeMetadataCache>();
services.TryAddSingleton<AssemblyProcessor>();
services.TryAddSingleton<ActivationDirectory>();
services.TryAddSingleton<LocalGrainDirectory>();
services.TryAddExisting<ILocalGrainDirectory, LocalGrainDirectory>();
services.TryAddSingleton<SiloStatisticsManager>();
services.TryAddSingleton<ISiloPerformanceMetrics>(sp => sp.GetRequiredService<SiloStatisticsManager>().MetricsTable);
services.TryAddSingleton<SiloAssemblyLoader>();
services.TryAddSingleton<GrainTypeManager>();
services.TryAddExisting<IMessagingConfiguration, GlobalConfiguration>();
services.TryAddSingleton<MessageCenter>();
services.TryAddExisting<IMessageCenter, MessageCenter>();
services.TryAddExisting<ISiloMessageCenter, MessageCenter>();
services.TryAddSingleton<Catalog>();
services.TryAddSingleton(sp => sp.GetRequiredService<Catalog>().Dispatcher);
services.TryAddSingleton<InsideRuntimeClient>();
services.TryAddExisting<IRuntimeClient, InsideRuntimeClient>();
services.TryAddExisting<ISiloRuntimeClient, InsideRuntimeClient>();
services.TryAddSingleton<MembershipFactory>();
services.TryAddSingleton<MultiClusterOracleFactory>();
services.TryAddSingleton<LocalReminderServiceFactory>();
services.TryAddSingleton<DeploymentLoadPublisher>();
services.TryAddSingleton<IMembershipTable>(
sp => sp.GetRequiredService<MembershipFactory>().GetMembershipTable(sp.GetRequiredService<GlobalConfiguration>()));
services.TryAddSingleton<MembershipOracle>(
sp =>
sp.GetRequiredService<MembershipFactory>()
.CreateMembershipOracle(sp.GetRequiredService<Silo>(), sp.GetRequiredService<IMembershipTable>()));
services.TryAddExisting<IMembershipOracle, MembershipOracle>();
services.TryAddExisting<ISiloStatusOracle, MembershipOracle>();
services.TryAddSingleton<Func<ISiloStatusOracle>>(sp => () => sp.GetRequiredService<ISiloStatusOracle>());
services.TryAddSingleton<MultiClusterOracleFactory>();
services.TryAddSingleton<LocalReminderServiceFactory>();
services.TryAddSingleton<ClientObserverRegistrar>();
services.TryAddSingleton<SiloProviderRuntime>();
services.TryAddExisting<IStreamProviderRuntime, SiloProviderRuntime>();
services.TryAddSingleton<ImplicitStreamSubscriberTable>();
// Placement
services.TryAddSingleton<PlacementDirectorsManager>();
services.TryAddSingleton<IPlacementDirector<RandomPlacement>, RandomPlacementDirector>();
services.TryAddSingleton<IPlacementDirector<PreferLocalPlacement>, PreferLocalPlacementDirector>();
services.TryAddSingleton<IPlacementDirector<StatelessWorkerPlacement>, StatelessWorkerDirector>();
services.TryAddSingleton<IPlacementDirector<ActivationCountBasedPlacement>, ActivationCountPlacementDirector>();
services.TryAddSingleton<DefaultPlacementStrategy>();
services.TryAddSingleton<ClientObserversPlacementDirector>();
services.TryAddSingleton<Func<IGrainRuntime>>(sp => () => sp.GetRequiredService<IGrainRuntime>());
services.TryAddSingleton<GrainCreator>();
if (initializationParams.GlobalConfig.UseVirtualBucketsConsistentRing)
{
services.TryAddSingleton<IConsistentRingProvider>(
sp =>
new VirtualBucketsRingProvider(
this.initializationParams.SiloAddress,
this.initializationParams.GlobalConfig.NumVirtualBucketsConsistentRing));
}
else
{
services.TryAddSingleton<IConsistentRingProvider>(
sp => new ConsistentRingProvider(this.initializationParams.SiloAddress));
}
});
this.assemblyProcessor = this.Services.GetRequiredService<AssemblyProcessor>();
this.assemblyProcessor.Initialize();
BufferPool.InitGlobalBufferPool(GlobalConfig);
UnobservedExceptionsHandlerClass.SetUnobservedExceptionHandler(UnobservedExceptionHandler);
AppDomain.CurrentDomain.UnhandledException += this.DomainUnobservedExceptionHandler;
try
{
grainFactory = Services.GetRequiredService<GrainFactory>();
}
catch (InvalidOperationException exc)
{
logger.Error(ErrorCode.SiloStartError, "Exception during Silo.Start, GrainFactory was not registered in Dependency Injection container", exc);
throw;
}
grainTypeManager = Services.GetRequiredService<GrainTypeManager>();
// Performance metrics
siloStatistics = Services.GetRequiredService<SiloStatisticsManager>();
// The scheduler
scheduler = Services.GetRequiredService<OrleansTaskScheduler>();
healthCheckParticipants.Add(scheduler);
runtimeClient = Services.GetRequiredService<InsideRuntimeClient>();
// Initialize the message center
messageCenter = Services.GetRequiredService<MessageCenter>();
messageCenter.RerouteHandler = runtimeClient.RerouteMessage;
messageCenter.SniffIncomingMessage = runtimeClient.SniffIncomingMessage;
// GrainRuntime can be created only here, after messageCenter was created.
grainRuntime = Services.GetRequiredService<IGrainRuntime>();
// Now the router/directory service
// This has to come after the message center //; note that it then gets injected back into the message center.;
localGrainDirectory = Services.GetRequiredService<LocalGrainDirectory>();
// Now the activation directory.
activationDirectory = Services.GetRequiredService<ActivationDirectory>();
// Now the consistent ring provider
RingProvider = Services.GetRequiredService<IConsistentRingProvider>();
// to preserve backwards compatibility, only use the service provider to inject grain dependencies if the user supplied his own
// service provider, meaning that he is explicitly opting into it.
catalog = Services.GetRequiredService<Catalog>();
siloStatistics.MetricsTable.Scheduler = scheduler;
siloStatistics.MetricsTable.ActivationDirectory = activationDirectory;
siloStatistics.MetricsTable.ActivationCollector = catalog.ActivationCollector;
siloStatistics.MetricsTable.MessageCenter = messageCenter;
// Now the incoming message agents
incomingSystemAgent = new IncomingMessageAgent(Message.Categories.System, messageCenter, activationDirectory, scheduler, catalog.Dispatcher);
incomingPingAgent = new IncomingMessageAgent(Message.Categories.Ping, messageCenter, activationDirectory, scheduler, catalog.Dispatcher);
incomingAgent = new IncomingMessageAgent(Message.Categories.Application, messageCenter, activationDirectory, scheduler, catalog.Dispatcher);
membershipFactory = Services.GetRequiredService<MembershipFactory>();
membershipOracle = Services.GetRequiredService<IMembershipOracle>();
SystemStatus.Current = SystemStatus.Created;
StringValueStatistic.FindOrCreate(StatisticNames.SILO_START_TIME,
() => LogFormatter.PrintDate(startTime)); // this will help troubleshoot production deployment when looking at MDS logs.
logger.Info(ErrorCode.SiloInitializingFinished, "-------------- Started silo {0}, ConsistentHashCode {1:X} --------------", SiloAddress.ToLongString(), SiloAddress.GetConsistentHashCode());
}
internal Silo(SiloInitializationParameters initializationParams, IServiceProvider services)
{
string name = initializationParams.Name;
ClusterConfiguration config = initializationParams.ClusterConfig;
this.initializationParams = initializationParams;
this.SystemStatus = SystemStatus.Creating;
AsynchAgent.IsStarting = true;
var startTime = DateTime.UtcNow;
if (!LogManager.IsInitialized)
{
LogManager.Initialize(LocalConfig);
}
services?.GetService <TelemetryManager>()?.AddFromConfiguration(services, LocalConfig.TelemetryConfiguration);
config.OnConfigChange("Defaults/Tracing", () => LogManager.Initialize(LocalConfig, true), false);
StatisticsCollector.Initialize(LocalConfig);
initTimeout = GlobalConfig.MaxJoinAttemptTime;
if (Debugger.IsAttached)
{
initTimeout = StandardExtensions.Max(TimeSpan.FromMinutes(10), GlobalConfig.MaxJoinAttemptTime);
stopTimeout = initTimeout;
}
var localEndpoint = this.initializationParams.SiloAddress.Endpoint;
LogManager.MyIPEndPoint = localEndpoint;
logger = LogManager.GetLogger("Silo", LoggerType.Runtime);
logger.Info(ErrorCode.SiloGcSetting, "Silo starting with GC settings: ServerGC={0} GCLatencyMode={1}", GCSettings.IsServerGC, Enum.GetName(typeof(GCLatencyMode), GCSettings.LatencyMode));
if (!GCSettings.IsServerGC)
{
logger.Warn(ErrorCode.SiloGcWarning, "Note: Silo not running with ServerGC turned on - recommend checking app config : <configuration>-<runtime>-<gcServer enabled=\"true\">");
logger.Warn(ErrorCode.SiloGcWarning, "Note: ServerGC only kicks in on multi-core systems (settings enabling ServerGC have no effect on single-core machines).");
}
logger.Info(ErrorCode.SiloInitializing, "-------------- Initializing {0} silo on host {1} MachineName {2} at {3}, gen {4} --------------",
this.initializationParams.Type, LocalConfig.DNSHostName, Environment.MachineName, localEndpoint, this.initializationParams.SiloAddress.Generation);
logger.Info(ErrorCode.SiloInitConfig, "Starting silo {0} with the following configuration= " + Environment.NewLine + "{1}",
name, config.ToString(name));
// Configure DI using Startup type
if (services == null)
{
var serviceCollection = new ServiceCollection();
serviceCollection.AddSingleton <Silo>(this);
serviceCollection.AddSingleton(initializationParams);
DefaultSiloServices.AddDefaultServices(serviceCollection);
services = StartupBuilder.ConfigureStartup(this.LocalConfig.StartupTypeName, serviceCollection);
services.GetService <TelemetryManager>()?.AddFromConfiguration(services, LocalConfig.TelemetryConfiguration);
}
this.Services = services;
this.assemblyProcessor = this.Services.GetRequiredService <AssemblyProcessor>();
this.assemblyProcessor.Initialize();
BufferPool.InitGlobalBufferPool(GlobalConfig);
if (!UnobservedExceptionsHandlerClass.TrySetUnobservedExceptionHandler(UnobservedExceptionHandler))
{
logger.Warn(ErrorCode.Runtime_Error_100153, "Unable to set unobserved exception handler because it was already set.");
}
AppDomain.CurrentDomain.UnhandledException += this.DomainUnobservedExceptionHandler;
try
{
grainFactory = Services.GetRequiredService <GrainFactory>();
}
catch (InvalidOperationException exc)
{
logger.Error(ErrorCode.SiloStartError, "Exception during Silo.Start, GrainFactory was not registered in Dependency Injection container", exc);
throw;
}
grainTypeManager = Services.GetRequiredService <GrainTypeManager>();
// Performance metrics
siloStatistics = Services.GetRequiredService <SiloStatisticsManager>();
// The scheduler
scheduler = Services.GetRequiredService <OrleansTaskScheduler>();
healthCheckParticipants.Add(scheduler);
runtimeClient = Services.GetRequiredService <InsideRuntimeClient>();
// Initialize the message center
messageCenter = Services.GetRequiredService <MessageCenter>();
var dispatcher = this.Services.GetRequiredService <Dispatcher>();
messageCenter.RerouteHandler = dispatcher.RerouteMessage;
messageCenter.SniffIncomingMessage = runtimeClient.SniffIncomingMessage;
// GrainRuntime can be created only here, after messageCenter was created.
grainRuntime = Services.GetRequiredService <IGrainRuntime>();
// Now the router/directory service
// This has to come after the message center //; note that it then gets injected back into the message center.;
localGrainDirectory = Services.GetRequiredService <LocalGrainDirectory>();
// Now the activation directory.
activationDirectory = Services.GetRequiredService <ActivationDirectory>();
// Now the consistent ring provider
RingProvider = Services.GetRequiredService <IConsistentRingProvider>();
catalog = Services.GetRequiredService <Catalog>();
siloStatistics.MetricsTable.Scheduler = scheduler;
siloStatistics.MetricsTable.ActivationDirectory = activationDirectory;
siloStatistics.MetricsTable.ActivationCollector = catalog.ActivationCollector;
siloStatistics.MetricsTable.MessageCenter = messageCenter;
// Now the incoming message agents
var messageFactory = this.Services.GetRequiredService <MessageFactory>();
incomingSystemAgent = new IncomingMessageAgent(Message.Categories.System, messageCenter, activationDirectory, scheduler, catalog.Dispatcher, messageFactory);
incomingPingAgent = new IncomingMessageAgent(Message.Categories.Ping, messageCenter, activationDirectory, scheduler, catalog.Dispatcher, messageFactory);
incomingAgent = new IncomingMessageAgent(Message.Categories.Application, messageCenter, activationDirectory, scheduler, catalog.Dispatcher, messageFactory);
membershipOracle = Services.GetRequiredService <IMembershipOracle>();
if (!this.GlobalConfig.HasMultiClusterNetwork)
{
logger.Info("Skip multicluster oracle creation (no multicluster network configured)");
}
else
{
multiClusterOracle = Services.GetRequiredService <IMultiClusterOracle>();
}
this.SystemStatus = SystemStatus.Created;
AsynchAgent.IsStarting = false;
StringValueStatistic.FindOrCreate(StatisticNames.SILO_START_TIME,
() => LogFormatter.PrintDate(startTime)); // this will help troubleshoot production deployment when looking at MDS logs.
logger.Info(ErrorCode.SiloInitializingFinished, "-------------- Started silo {0}, ConsistentHashCode {1:X} --------------", SiloAddress.ToLongString(), SiloAddress.GetConsistentHashCode());
}
private void DoStart()
{
lock (lockable)
{
if (!SystemStatus.Current.Equals(SystemStatus.Created))
{
throw new InvalidOperationException(String.Format("Calling Silo.Start() on a silo which is not in the Created state. This silo is in the {0} state.", SystemStatus.Current));
}
SystemStatus.Current = SystemStatus.Starting;
}
logger.Info(ErrorCode.SiloStarting, "Silo Start()");
// Hook up to receive notification of process exit / Ctrl-C events
AppDomain.CurrentDomain.ProcessExit += HandleProcessExit;
Console.CancelKeyPress += HandleProcessExit;
ConfigureThreadPoolAndServicePointSettings();
// This has to start first so that the directory system target factory gets loaded before we start the router.
typeManager.Start();
InsideRuntimeClient.Current.Start();
// The order of these 4 is pretty much arbitrary.
scheduler.Start();
messageCenter.Start();
incomingPingAgent.Start();
incomingSystemAgent.Start();
incomingAgent.Start();
LocalGrainDirectory.Start();
// Set up an execution context for this thread so that the target creation steps can use asynch values.
RuntimeContext.InitializeMainThread();
SiloProviderRuntime.Initialize(GlobalConfig, SiloIdentity, grainFactory, Services);
InsideRuntimeClient.Current.CurrentStreamProviderRuntime = SiloProviderRuntime.Instance;
statisticsProviderManager = new StatisticsProviderManager("Statistics", SiloProviderRuntime.Instance);
string statsProviderName = statisticsProviderManager.LoadProvider(GlobalConfig.ProviderConfigurations)
.WaitForResultWithThrow(initTimeout);
if (statsProviderName != null)
{
LocalConfig.StatisticsProviderName = statsProviderName;
}
allSiloProviders.AddRange(statisticsProviderManager.GetProviders());
// can call SetSiloMetricsTableDataManager only after MessageCenter is created (dependency on this.SiloAddress).
siloStatistics.SetSiloStatsTableDataManager(this, nodeConfig).WaitWithThrow(initTimeout);
siloStatistics.SetSiloMetricsTableDataManager(this, nodeConfig).WaitWithThrow(initTimeout);
IMembershipTable membershipTable = membershipFactory.GetMembershipTable(GlobalConfig.LivenessType, GlobalConfig.MembershipTableAssembly);
membershipOracle = membershipFactory.CreateMembershipOracle(this, membershipTable);
multiClusterOracle = multiClusterFactory.CreateGossipOracle(this).WaitForResultWithThrow(initTimeout);
// This has to follow the above steps that start the runtime components
CreateSystemTargets();
InjectDependencies();
// Validate the configuration.
GlobalConfig.Application.ValidateConfiguration(logger);
// ensure this runs in the grain context, wait for it to complete
scheduler.QueueTask(CreateSystemGrains, catalog.SchedulingContext)
.WaitWithThrow(initTimeout);
if (logger.IsVerbose)
{
logger.Verbose("System grains created successfully.");
}
// Initialize storage providers once we have a basic silo runtime environment operating
storageProviderManager = new StorageProviderManager(grainFactory, Services);
scheduler.QueueTask(
() => storageProviderManager.LoadStorageProviders(GlobalConfig.ProviderConfigurations),
providerManagerSystemTarget.SchedulingContext)
.WaitWithThrow(initTimeout);
catalog.SetStorageManager(storageProviderManager);
allSiloProviders.AddRange(storageProviderManager.GetProviders());
if (logger.IsVerbose)
{
logger.Verbose("Storage provider manager created successfully.");
}
// Load and init stream providers before silo becomes active
var siloStreamProviderManager = (StreamProviderManager)grainRuntime.StreamProviderManager;
scheduler.QueueTask(
() => siloStreamProviderManager.LoadStreamProviders(GlobalConfig.ProviderConfigurations, SiloProviderRuntime.Instance),
providerManagerSystemTarget.SchedulingContext)
.WaitWithThrow(initTimeout);
InsideRuntimeClient.Current.CurrentStreamProviderManager = siloStreamProviderManager;
allSiloProviders.AddRange(siloStreamProviderManager.GetProviders());
if (logger.IsVerbose)
{
logger.Verbose("Stream provider manager created successfully.");
}
ISchedulingContext statusOracleContext = ((SystemTarget)LocalSiloStatusOracle).SchedulingContext;
bool waitForPrimaryToStart = globalConfig.PrimaryNodeIsRequired && siloType != SiloType.Primary;
if (waitForPrimaryToStart) // only in MembershipTableGrain case.
{
scheduler.QueueTask(() => membershipFactory.WaitForTableToInit(membershipTable), statusOracleContext)
.WaitWithThrow(initTimeout);
}
scheduler.QueueTask(() => membershipTable.InitializeMembershipTable(GlobalConfig, true, LogManager.GetLogger(membershipTable.GetType().Name)), statusOracleContext)
.WaitWithThrow(initTimeout);
scheduler.QueueTask(() => LocalSiloStatusOracle.Start(), statusOracleContext)
.WaitWithThrow(initTimeout);
if (logger.IsVerbose)
{
logger.Verbose("Local silo status oracle created successfully.");
}
scheduler.QueueTask(LocalSiloStatusOracle.BecomeActive, statusOracleContext)
.WaitWithThrow(initTimeout);
if (logger.IsVerbose)
{
logger.Verbose("Local silo status oracle became active successfully.");
}
//if running in multi cluster scenario, start the MultiClusterNetwork Oracle
if (GlobalConfig.HasMultiClusterNetwork)
{
logger.Info("Creating multicluster oracle with my ServiceId={0} and ClusterId={1}.",
GlobalConfig.ServiceId, GlobalConfig.ClusterId);
ISchedulingContext clusterStatusContext = ((SystemTarget)multiClusterOracle).SchedulingContext;
scheduler.QueueTask(() => multiClusterOracle.Start(LocalSiloStatusOracle), clusterStatusContext)
.WaitWithThrow(initTimeout);
if (logger.IsVerbose)
{
logger.Verbose("multicluster oracle created successfully.");
}
}
try
{
siloStatistics.Start(LocalConfig);
if (logger.IsVerbose)
{
logger.Verbose("Silo statistics manager started successfully.");
}
// Finally, initialize the deployment load collector, for grains with load-based placement
scheduler.QueueTask(DeploymentLoadPublisher.Instance.Start, DeploymentLoadPublisher.Instance.SchedulingContext)
.WaitWithThrow(initTimeout);
if (logger.IsVerbose)
{
logger.Verbose("Silo deployment load publisher started successfully.");
}
// Start background timer tick to watch for platform execution stalls, such as when GC kicks in
platformWatchdog = new Watchdog(nodeConfig.StatisticsLogWriteInterval, healthCheckParticipants);
platformWatchdog.Start();
if (logger.IsVerbose)
{
logger.Verbose("Silo platform watchdog started successfully.");
}
if (reminderService != null)
{
// so, we have the view of the membership in the consistentRingProvider. We can start the reminder service
scheduler.QueueTask(reminderService.Start, ((SystemTarget)reminderService).SchedulingContext)
.WaitWithThrow(initTimeout);
if (logger.IsVerbose)
{
logger.Verbose("Reminder service started successfully.");
}
}
bootstrapProviderManager = new BootstrapProviderManager();
scheduler.QueueTask(
() => bootstrapProviderManager.LoadAppBootstrapProviders(GlobalConfig.ProviderConfigurations),
providerManagerSystemTarget.SchedulingContext)
.WaitWithThrow(initTimeout);
BootstrapProviders = bootstrapProviderManager.GetProviders(); // Data hook for testing & diagnotics
allSiloProviders.AddRange(BootstrapProviders);
if (logger.IsVerbose)
{
logger.Verbose("App bootstrap calls done successfully.");
}
// Start stream providers after silo is active (so the pulling agents don't start sending messages before silo is active).
// also after bootstrap provider started so bootstrap provider can initialize everything stream before events from this silo arrive.
scheduler.QueueTask(siloStreamProviderManager.StartStreamProviders, providerManagerSystemTarget.SchedulingContext)
.WaitWithThrow(initTimeout);
if (logger.IsVerbose)
{
logger.Verbose("Stream providers started successfully.");
}
// Now that we're active, we can start the gateway
var mc = messageCenter as MessageCenter;
if (mc != null)
{
mc.StartGateway(clientRegistrar);
}
if (logger.IsVerbose)
{
logger.Verbose("Message gateway service started successfully.");
}
SystemStatus.Current = SystemStatus.Running;
}
catch (Exception exc)
{
SafeExecute(() => logger.Error(ErrorCode.Runtime_Error_100330, String.Format("Error starting silo {0}. Going to FastKill().", SiloAddress), exc));
FastKill(); // if failed after Membership became active, mark itself as dead in Membership abale.
throw;
}
if (logger.IsVerbose)
{
logger.Verbose("Silo.Start complete: System status = {0}", SystemStatus.Current);
}
}
