public DynamoDbRecordProcessor(
RecordTranslatorRegistry translatorRegistry,
IAmACommandProcessor commandProcessor,
ILogger <DynamoDbRecordProcessor> logger)
{
_translatorRegistry = translatorRegistry;
_commandProcessor = commandProcessor;
_logger = logger;
}
private static IHost BuildHost()
{
return(new HostBuilder()
.ConfigureLogging(loggingBuilder => loggingBuilder.AddConsole())
.ConfigureHostConfiguration((configurationBuilder) =>
{
configurationBuilder.SetBasePath(Directory.GetCurrentDirectory());
configurationBuilder.AddEnvironmentVariables(prefix: "ASP_");
})
.ConfigureServices((hostContext, services) =>
{
var gatewayConnection = new KafkaMessagingGatewayConfiguration
{
Name = "paramore.brighter.accounttransfer",
BootStrapServers = new[] { "localhost:9092" }
};
var retryPolicy = Policy.Handle <Exception>().WaitAndRetry(new[] { TimeSpan.FromMilliseconds(50), TimeSpan.FromMilliseconds(100), TimeSpan.FromMilliseconds(150) });
var circuitBreakerPolicy = Policy.Handle <Exception>().CircuitBreaker(1, TimeSpan.FromMilliseconds(500));
var retryPolicyAsync = Policy.Handle <Exception>().WaitAndRetryAsync(new[] { TimeSpan.FromMilliseconds(50), TimeSpan.FromMilliseconds(100), TimeSpan.FromMilliseconds(150) });
var circuitBreakerPolicyAsync = Policy.Handle <Exception>().CircuitBreakerAsync(1, TimeSpan.FromMilliseconds(500));
var policyRegistry = new PolicyRegistry()
{
{ CommandProcessor.RETRYPOLICY, retryPolicy },
{ CommandProcessor.CIRCUITBREAKER, circuitBreakerPolicy },
{ CommandProcessor.RETRYPOLICYASYNC, retryPolicyAsync },
{ CommandProcessor.CIRCUITBREAKERASYNC, circuitBreakerPolicyAsync }
};
services.AddSingleton <IReadOnlyPolicyRegistry <string> >(policyRegistry);
var producer = new KafkaMessageProducerFactory(gatewayConnection).Create();
services
.AddBrighter(options =>
{
options.PolicyRegistry = policyRegistry;
options.BrighterMessaging = new BrighterMessaging(new InMemoryOutbox(), producer);
})
.MapperRegistryFromAssemblies(typeof(AccountEventMessageMapper).Assembly);
var useLocalAwsServices = hostContext.Configuration.GetValue <bool>("AWS:UseLocalServices");
if (useLocalAwsServices)
{
services.AddSingleton <IAmazonDynamoDB>(sp => CreateClient(hostContext.Configuration));
services.AddSingleton <IAmazonDynamoDBStreams>(sp => CreateStreamClient(hostContext.Configuration));
}
else
{
services.AddAWSService <IAmazonDynamoDB>();
services.AddAWSService <IAmazonDynamoDBStreams>();
}
var translatorRegistry = new RecordTranslatorRegistry(new TranslatorFactory());
translatorRegistry.Add(typeof(AccountEvent), typeof(AccountFromRecordTranslator));
services.AddSingleton <RecordTranslatorRegistry>(translatorRegistry);
services.AddSingleton <IRecordProcessor <StreamRecord>, DynamoDbRecordProcessor>();
services.AddSingleton <IStreamReader, DynamoStreamReader>();
services.AddHostedService <Pump>();
})
.UseSerilog()
.UseConsoleLifetime()
.Build());
}
