IInfrastructureCoordinator CreateCoordinatorAzureParallelDisabled(CoordinatorFactoryArgs args)
{
return(CreateCoordinatorByReflection(
ParallelAssemblyName,
"System.Fabric.InfrastructureService.Parallel.AzureParallelDisabledCoordinatorFactory",
args.ServiceName, this.configStore, args.ConfigSectionName, args.PartitionId, args.ReplicaId, args.Agent));
}
IInfrastructureCoordinator CreateCoordinatorServerRestart(CoordinatorFactoryArgs args)
{
return(CreateCoordinatorByReflection(
SerialAssemblyName,
ServerRestartCoordinatorFactoryTypeName,
this.configStore, args.ConfigSectionName, args.PartitionId, args.ReplicaId));
}
IInfrastructureCoordinator InternalCreateCoordinatorAzureSerial(CoordinatorFactoryArgs args, IAzureModeDetector modeDetector)
{
return(CreateCoordinatorByReflection(
SerialAssemblyName,
SerialCoordinatorFactoryTypeName,
this.configStore, args.ConfigSectionName, args.PartitionId, args.ReplicaId, args.Agent, modeDetector));
}
public DelayLoadCoordinator(
Func <CoordinatorFactoryArgs, IInfrastructureCoordinator> factory,
CoordinatorFactoryArgs factoryArgs,
IHealthClient healthClient,
IConfigSection configSection)
{
this.factory = factory.Validate("factory");
this.factoryArgs = factoryArgs.Validate("factoryArgs");
this.healthClient = healthClient.Validate("healthClient");
this.configSection = configSection.Validate("configSection");
}
IInfrastructureCoordinator CreateCoordinatorDynamic(CoordinatorFactoryArgs args)
{
string coordinatorAssemblyName = this.ReadFactoryConfig(
args.ConfigSection,
"CoordinatorAssemblyName",
string.Empty);
string coordinatorFactoryType = this.ReadFactoryConfig(
args.ConfigSection,
"CoordinatorFactoryType",
string.Empty);
return(CreateCoordinatorByReflection(
coordinatorAssemblyName,
coordinatorFactoryType,
args.ServiceName,
this.configStore,
args.ConfigSectionName,
args.PartitionId,
args.ReplicaId));
}
/// <summary>
/// Detects the mode by checking if the parallel endpoint is publishing
/// job information. If so, creates the parallel coordinator. If not, creates
/// the serial coordinator but passes it a reference to the autodetector, so
/// that the serial coordinator can exit when it detects that parallel mode has
/// been enabled via a tenant update. That update would be invisible over the
/// serial channel, so this is the only way the serial coordinator can detect a change.
/// </summary>
IInfrastructureCoordinator CreateCoordinatorAzureAutodetect(CoordinatorFactoryArgs args)
{
var azureParallelFactory = InternalCreateCoordinatorFactoryAzureParallel(args);
IAzureModeDetector modeDetector = ((IAzureModeDetectorFactory)azureParallelFactory).CreateAzureModeDetector();
AzureMode mode = modeDetector.DetectModeAsync().GetAwaiter().GetResult();
TraceType.WriteInfo("Auto-detected Azure mode: {0}", mode);
switch (mode)
{
case AzureMode.Serial:
return(InternalCreateCoordinatorAzureSerial(args, modeDetector));
case AzureMode.Parallel:
return(azureParallelFactory.Create());
default:
throw new InvalidOperationException("Failed to auto-detect Azure coordinator mode");
}
}
private IInfrastructureCoordinator CreateCoordinator(CoordinatorFactoryArgs args)
{
IInfrastructureCoordinator coordinator;
var configSection = args.ConfigSection;
if (configSection.SectionExists)
{
string coordinatorType = this.ReadFactoryConfig(configSection, CoordinatorTypeKeyName, string.Empty);
TraceType.WriteInfo("Coordinator type: {0}", coordinatorType ?? "<not specified>");
Func <CoordinatorFactoryArgs, IInfrastructureCoordinator> factory;
if (!this.coordinatorFactoryMap.TryGetValue(coordinatorType, out factory))
{
// Current behavior is that coordinator defaults to AzureAutodetect when not specified in config
TraceType.WriteInfo("Using default coordinator type: AzureAutodetect");
factory = this.CreateCoordinatorAzureAutodetect;
}
if (this.ReadFactoryConfig(configSection, "DelayLoadCoordinator", false))
{
TraceType.WriteInfo("Coordinator will be delay-loaded");
coordinator = new DelayLoadCoordinator(factory, args, new ServiceFabricHealthClient(), configSection);
}
else
{
coordinator = factory(args);
}
}
else
{
Trace.WriteWarning(TraceType, "No configuration found; infrastructure coordinator is not active");
coordinator = this.CreateCoordinatorNull(args);
}
return(coordinator);
}
IInfrastructureCoordinator CreateCoordinatorAzureParallel(CoordinatorFactoryArgs args)
{
var factory = InternalCreateCoordinatorFactoryAzureParallel(args);
return(factory.Create());
}
IInfrastructureCoordinatorFactory InternalCreateCoordinatorFactoryAzureParallel(CoordinatorFactoryArgs args)
{
return(CreateCoordinatorFactoryByReflection(
ParallelAssemblyName,
ParallelCoordinatorFactoryTypeName,
args.ServiceName, this.configStore, args.ConfigSectionName, args.PartitionId, args.ReplicaId, args.Agent));
}
IInfrastructureCoordinator CreateCoordinatorAzureSerial(CoordinatorFactoryArgs args)
{
return(InternalCreateCoordinatorAzureSerial(args, null));
}
IInfrastructureCoordinator CreateCoordinatorTest(CoordinatorFactoryArgs args)
{
return(new TestInfrastructureCoordinator(args.Agent, args.PartitionId));
}
IInfrastructureCoordinator CreateCoordinatorNull(CoordinatorFactoryArgs args)
{
return(new NullCoordinator());
}
public IStatefulServiceReplica CreateReplica(
string serviceTypeName,
Uri serviceName,
byte[] initializationData,
Guid partitionId,
long replicaId)
{
string replicaConfigSectionName = this.configSectionName;
if (replicaConfigSectionName == null)
{
// When run as a system service, the configuration section name is encoded
// in the service initialization data, because there can be multiple
// InfrastructureService instances, each with its own config section.
// When run as an application, a fixed configuration section name is used,
// and passed into the factory constructor.
replicaConfigSectionName = Encoding.Unicode.GetString(initializationData);
}
Trace.WriteInfo(
TraceType,
"CreateReplica: serviceName = {0}, partitionId = {1}, configSectionName = {2}",
serviceName,
partitionId,
replicaConfigSectionName);
try
{
var args = new CoordinatorFactoryArgs()
{
Agent = this.infrastructureServiceAgent,
ConfigSection = GetConfigSection(replicaConfigSectionName),
PartitionId = partitionId,
ReplicaId = replicaId,
ServiceName = serviceName,
};
IInfrastructureCoordinator coordinator = CreateCoordinator(args);
var replica = new ServiceReplica(
this.infrastructureServiceAgent,
coordinator,
GetReplicatorAddress(coordinator, args.ConfigSection),
UseClusterSecuritySettingsForReplicator(args.ConfigSection),
args.ConfigSection);
return(replica);
}
catch (TargetInvocationException ex)
{
TraceType.WriteError("Error creating infrastructure coordinator. Cannot continue further. Exception: {0}", ex);
if (ex.InnerException != null)
{
// Rethrow, preserving the original stack trace from exceptions that
// come from dynamic invoke (e.g. factory creation) via reflection.
ExceptionDispatchInfo.Capture(ex.InnerException).Throw();
}
throw;
}
catch (Exception ex)
{
TraceType.WriteError("Error creating infrastructure coordinator. Cannot continue further. Exception: {0}", ex);
throw;
}
}