ElasticSearch - Log request and response data

For debugging purposes it can be useful to see the executed REST call. To make this possible using NEST you first have to disable Direct Streaming after which you can start capturing request and response data.

Here is a short snippet on how to enable this in your application:

	connectionSettings
	.DisableDirectStreaming()//We do this to be able to capture the request and responses(don't do this in production!!!!)
	.OnRequestCompleted(apiCallDetails =>
	{
	// log out the request and the request body, if one exists for the type of request
	if (apiCallDetails.RequestBodyInBytes != null)
	{
	Trace.Write(
	$"{apiCallDetails.HttpMethod} {apiCallDetails.Uri} " +
	$"{Encoding.UTF8.GetString(apiCallDetails.RequestBodyInBytes)}");
	}
	else
	{
	Trace.Write($"{apiCallDetails.HttpMethod} {apiCallDetails.Uri}");
	}
	// log out the response and the response body, if one exists for the type of response
	if (apiCallDetails.ResponseBodyInBytes != null)
	{
	Trace.Write($"Status: {apiCallDetails.HttpStatusCode}" +
	$"{Encoding.UTF8.GetString(apiCallDetails.ResponseBodyInBytes)}");
	}
	else
	{
	Trace.Write($"Status: {apiCallDetails.HttpStatusCode}");
	}
	});
	var client = new ElasticClient(connectionSettings);

view raw ElasticConfig.cs hosted with ❤ by GitHub

Important: Don’t forget to disable this when you go to production, it has a big impact on performance.