public RestfulGrain(IDispatcher <T> dispatcher, EventStoreClient eventStore, ILogger <RestfulGrain <T> > logger,
ITelemetryClient telemetry, IEventSerializer eventSerializer, IClusterClient clusterClient,
UpgradeMap upgradeMap)
{
_dispatcher = dispatcher;
_eventStore = eventStore;
_logger = logger;
_telemetry = telemetry;
_eventSerializer = eventSerializer;
_clusterClient = clusterClient;
_upgradeMap = upgradeMap;
}
public static IHostBuilder AddMetaflow(this IHostBuilder builder, List <Assembly> assemblies = null)
{
builder.UseOrleans((Microsoft.Extensions.Hosting.HostBuilderContext ctx, ISiloBuilder siloBuilder) =>
{
var config = ctx.Configuration.GetSection("Metaflow").Get <MetaflowConfig>();
List <Assembly> metaflowAssemblies = assemblies ?? config.Assemblies.Where(a => !string.IsNullOrEmpty(a))
.Select(a => AssemblyLoadContext.Default.LoadFromAssemblyPath(Path.GetFullPath(a))).ToList();
siloBuilder
.AddCustomStorageBasedLogConsistencyProviderAsDefault()
.Configure <ClusterOptions>(opts =>
{
opts.ClusterId = $"{config.ClusterName}Cluster";
opts.ServiceId = $"{config.ClusterName}Service";
})
.ConfigureApplicationParts(parts =>
{
parts.AddApplicationPart(typeof(IRestfulGrain <>).Assembly).WithCodeGeneration();
foreach (var assembly in metaflowAssemblies)
{
parts.AddApplicationPart(assembly).WithCodeGeneration();
}
})
.ConfigureServices(services =>
{
services.AddScoped(typeof(IDispatcher <>), typeof(ReflectionDispatcher <>));
services.AddApplicationInsightsTelemetry();
services.AddHealthChecks();
services.AddScoped <GrainActionFilterAttribute>();
services.AddScoped <ITelemetryClient, AppInsightsTelemetryClient>();
services.AddControllers()
.AddMetaflow(metaflowAssemblies);
services.AddHttpClient();
services.AddSingleton <IEventSerializer, EventSerializer>();
services.AddSingleton(_ =>
{
List <Type> types = metaflowAssemblies.SelectMany(a => a.GetExportedTypes()).ToList();
List <Type> resourceTypes = types.Where(t => t.GetCustomAttributes().Any(a => a is RestfulAttribute)).ToList();
return(UpgradeMap.Initialize(resourceTypes));
});
services.AddEventStoreClient(settings =>
{
settings.ConnectivitySettings.Address = new Uri(config.EventStore.Endpoint);
settings.DefaultCredentials = new UserCredentials(config.EventStore.User, config.EventStore.Password);
settings.CreateHttpMessageHandler = () =>
new SocketsHttpHandler
{
SslOptions =
{
RemoteCertificateValidationCallback = delegate { return(true); }
}
};
});
});
if (config.Local)
{
siloBuilder
.UseLocalhostClustering(siloPort: config.SiloPort, gatewayPort: config.GatewayPort)
.Configure <EndpointOptions>(o => o.AdvertisedIPAddress = IPAddress.Loopback);
}
else
{
siloBuilder
.UseAzureStorageClustering(opt => opt.ConnectionString = config.AzureStorage)
.ConfigureEndpoints(siloPort: config.SiloPort, gatewayPort: config.GatewayPort);
}
});
return(builder);
}