private KafkaListenerConfiguration CreateConsumerConfiguration(KafkaTriggerAttribute attribute)
{
var consumerConfig = new KafkaListenerConfiguration()
{
BrokerList = this.config.ResolveSecureSetting(nameResolver, attribute.BrokerList),
ConsumerGroup = this.nameResolver.ResolveWholeString(attribute.ConsumerGroup),
Topic = this.nameResolver.ResolveWholeString(attribute.Topic),
EventHubConnectionString = this.config.ResolveSecureSetting(nameResolver, attribute.EventHubConnectionString),
};
if (attribute.AuthenticationMode != BrokerAuthenticationMode.NotSet ||
attribute.Protocol != BrokerProtocol.NotSet)
{
consumerConfig.SaslPassword = this.config.ResolveSecureSetting(nameResolver, attribute.Password);
consumerConfig.SaslUsername = this.config.ResolveSecureSetting(nameResolver, attribute.Username);
consumerConfig.SslKeyLocation = this.config.ResolveSecureSetting(nameResolver, attribute.SslKeyLocation);
consumerConfig.SslKeyPassword = this.config.ResolveSecureSetting(nameResolver, attribute.SslKeyPassword);
consumerConfig.SslCertificateLocation = this.config.ResolveSecureSetting(nameResolver, attribute.SslCertificateLocation);
consumerConfig.SslCaLocation = this.config.ResolveSecureSetting(nameResolver, attribute.SslCaLocation);
if (attribute.AuthenticationMode != BrokerAuthenticationMode.NotSet)
{
consumerConfig.SaslMechanism = (SaslMechanism)attribute.AuthenticationMode;
}
if (attribute.Protocol != BrokerProtocol.NotSet)
{
consumerConfig.SecurityProtocol = (SecurityProtocol)attribute.Protocol;
}
}
return(consumerConfig);
}
public static IListener CreateFor(KafkaTriggerAttribute attribute,
Type parameterType,
ITriggeredFunctionExecutor executor,
bool singleDispatch,
KafkaOptions options,
KafkaListenerConfiguration consumerKafkaConfiguration,
ILogger logger)
{
var valueType = SerializationHelper.GetValueType(attribute.ValueType, attribute.AvroSchema, parameterType, out var avroSchema);
var valueDeserializer = SerializationHelper.ResolveValueDeserializer(valueType, avroSchema);
return((IListener)Activator.CreateInstance(
typeof(KafkaListener <,>).MakeGenericType(attribute.KeyType ?? typeof(Ignore), valueType),
new object[]
{
executor,
singleDispatch,
options,
consumerKafkaConfiguration,
valueDeserializer,
logger
}));
}
