public static KafkaProducerConfigurationBuilder UseKafka(this StandardConfigurer <IConsumerImplementation> configurer, IEnumerable <string> bootstrapServers)
{
var builder = new KafkaProducerConfigurationBuilder();
StandardConfigurer.Open(configurer)
.Register(c =>
{
var loggerFactory = c.Get <ILoggerFactory>();
var topics = c.Has <Topics>() ? c.Get <Topics>() : new Topics();
var group = c.Get <GroupId>();
var consumerDispatcher = c.Get <IConsumerDispatcher>();
var positionManager = c.Get <IPositionManager>(errorMessage: @"The Kafka consumer needs access to a positions manager, so it can figure out which offsets to pick up from when starting up.");
return(new KafkaConsumerImplementation(
loggerFactory: loggerFactory,
address: string.Join("; ", bootstrapServers),
topics: topics,
group: group.Id,
consumerDispatcher: consumerDispatcher,
positionManager: positionManager
));
});
return(builder);
}
public static KafkaProducerConfigurationBuilder UseKafka(this StandardConfigurer <IProducerImplementation> configurer, IEnumerable <string> bootstrapServers)
{
var builder = new KafkaProducerConfigurationBuilder();
StandardConfigurer.Open(configurer)
.Register(c => RegisterProducerImplementation(bootstrapServers, c, builder));
return(builder);
}
public static KafkaProducerConfigurationBuilder WithCertificate(this KafkaProducerConfigurationBuilder builder, string sslCaLocation)
{
KafkaProducerConfigurationBuilder.AddCustomizer(builder, config =>
{
config.SecurityProtocol = SecurityProtocol.Ssl;
config.SslCaLocation = sslCaLocation;
return(config);
});
return(builder);
}
public static KafkaProducerConfigurationBuilder UseKafka(this StandardConfigurer <IProducerImplementation> configurer, IEnumerable <string> bootstrapServers)
{
var builder = new KafkaProducerConfigurationBuilder();
StandardConfigurer.Open(configurer)
.Register(c =>
{
var loggerFactory = c.Get <ILoggerFactory>();
return(new KafkaProducerImplementation(loggerFactory, string.Join(";", bootstrapServers)));
});
return(builder);
}
/// <summary>
/// Configures the Kafka client with good defaults for connecting to Confluent Cloud
/// </summary>
public static KafkaProducerConfigurationBuilder WithConfluentCloud(this KafkaProducerConfigurationBuilder builder, string key, string secret)
{
KafkaProducerConfigurationBuilder.AddCustomizer(builder, config =>
{
config.SaslUsername = key;
config.SaslPassword = secret;
config.RequestTimeoutMs = 60000;
config.SecurityProtocol = SecurityProtocol.SaslSsl;
config.SaslMechanism = SaslMechanism.Plain;
config.EnableSslCertificateVerification = false;
config.SocketKeepaliveEnable = true;
config.LogConnectionClose = false;
config.ReconnectBackoffMaxMs = 3333;
return(config);
});
return(builder);
}
/// <summary> /// Adds a <see cref="ProducerConfig"/> customizer to the builder. This provides the ability to customize and/or completely replace the configuration /// used to build the producer /// </summary> public static void AddCustomizer(KafkaProducerConfigurationBuilder builder, Func <ProducerConfig, ProducerConfig> customizer) => builder._customizers.Add(customizer);
static IProducerImplementation RegisterProducerImplementation(IEnumerable <string> bootstrapServers, IResolutionContext c, KafkaProducerConfigurationBuilder builder)
{
var loggerFactory = c.Get <ILoggerFactory>();
return(new KafkaProducerImplementation(
loggerFactory: loggerFactory,
address: string.Join(";", bootstrapServers),
configurationCustomizer: builder.Apply
));
}
