/// <summary>
/// Retrieves IDs and metadata for traces available for a specified time frame using an
/// optional filter. To get the full traces, pass the trace IDs to <code>BatchGetTraces</code>.
///
///
/// <para>
/// A filter expression can target traced requests that hit specific service nodes or
/// edges, have errors, or come from a known user. For example, the following filter expression
/// targets traces that pass through <code>api.example.com</code>:
/// </para>
///
/// <para>
/// <code>service("api.example.com")</code>
/// </para>
///
/// <para>
/// This filter expression finds traces that have an annotation named <code>account</code>
/// with the value <code>12345</code>:
/// </para>
///
/// <para>
/// <code>annotation.account = "12345"</code>
/// </para>
///
/// <para>
/// For a full list of indexed fields and keywords that you can use in filter expressions,
/// see <a href="http://docs.aws.amazon.com/xray/latest/devguide/xray-console-filters.html">Using
/// Filter Expressions</a> in the <i>AWS X-Ray Developer Guide</i>.
/// </para>
/// </summary>
/// <param name="request">Container for the necessary parameters to execute the GetTraceSummaries service method.</param>
///
/// <returns>The response from the GetTraceSummaries service method, as returned by XRay.</returns>
/// <exception cref="Amazon.XRay.Model.InvalidRequestException">
/// The request is missing required parameters or has invalid parameters.
/// </exception>
/// <exception cref="Amazon.XRay.Model.ThrottledException">
/// The request exceeds the maximum number of requests per second.
/// </exception>
public virtual GetTraceSummariesResponse GetTraceSummaries(GetTraceSummariesRequest request)
{
var marshaller = GetTraceSummariesRequestMarshaller.Instance;
var unmarshaller = GetTraceSummariesResponseUnmarshaller.Instance;
return(Invoke <GetTraceSummariesRequest, GetTraceSummariesResponse>(request, marshaller, unmarshaller));
}
/// <summary>
/// Initiates the asynchronous execution of the GetTraceSummaries operation.
/// </summary>
///
/// <param name="request">Container for the necessary parameters to execute the GetTraceSummaries operation.</param>
/// <param name="cancellationToken">
/// A cancellation token that can be used by other objects or threads to receive notice of cancellation.
/// </param>
/// <returns>The task object representing the asynchronous operation.</returns>
public virtual Task <GetTraceSummariesResponse> GetTraceSummariesAsync(GetTraceSummariesRequest request, System.Threading.CancellationToken cancellationToken = default(CancellationToken))
{
var marshaller = GetTraceSummariesRequestMarshaller.Instance;
var unmarshaller = GetTraceSummariesResponseUnmarshaller.Instance;
return(InvokeAsync <GetTraceSummariesRequest, GetTraceSummariesResponse>(request, marshaller,
unmarshaller, cancellationToken));
}
/// <summary>
/// Initiates the asynchronous execution of the GetTraceSummaries operation.
/// </summary>
///
/// <param name="request">Container for the necessary parameters to execute the GetTraceSummaries operation on AmazonXRayClient.</param>
/// <param name="callback">An AsyncCallback delegate that is invoked when the operation completes.</param>
/// <param name="state">A user-defined state object that is passed to the callback procedure. Retrieve this object from within the callback
/// procedure using the AsyncState property.</param>
///
/// <returns>An IAsyncResult that can be used to poll or wait for results, or both; this value is also needed when invoking EndGetTraceSummaries
/// operation.</returns>
public virtual IAsyncResult BeginGetTraceSummaries(GetTraceSummariesRequest request, AsyncCallback callback, object state)
{
var marshaller = new GetTraceSummariesRequestMarshaller();
var unmarshaller = GetTraceSummariesResponseUnmarshaller.Instance;
return(BeginInvoke <GetTraceSummariesRequest>(request, marshaller, unmarshaller,
callback, state));
}
/// <summary>
/// Initiates the asynchronous execution of the GetTraceSummaries operation.
/// </summary>
///
/// <param name="request">Container for the necessary parameters to execute the GetTraceSummaries operation.</param>
/// <param name="cancellationToken">
/// A cancellation token that can be used by other objects or threads to receive notice of cancellation.
/// </param>
/// <returns>The task object representing the asynchronous operation.</returns>
public virtual Task <GetTraceSummariesResponse> GetTraceSummariesAsync(GetTraceSummariesRequest request, System.Threading.CancellationToken cancellationToken = default(CancellationToken))
{
var options = new InvokeOptions();
options.RequestMarshaller = GetTraceSummariesRequestMarshaller.Instance;
options.ResponseUnmarshaller = GetTraceSummariesResponseUnmarshaller.Instance;
return(InvokeAsync <GetTraceSummariesResponse>(request, options, cancellationToken));
}
internal virtual GetTraceSummariesResponse GetTraceSummaries(GetTraceSummariesRequest request)
{
var options = new InvokeOptions();
options.RequestMarshaller = GetTraceSummariesRequestMarshaller.Instance;
options.ResponseUnmarshaller = GetTraceSummariesResponseUnmarshaller.Instance;
return(Invoke <GetTraceSummariesResponse>(request, options));
}
public async Task <State> CollectMetrics(State state, ILambdaContext context)
{
state.EndTimeInEpoch = DateTimeOffset.UtcNow.ToUnixTimeSeconds();
var client = new AmazonXRayClient(RegionEndpoint.APSoutheast2);
var getTraceSummariesRequest = new GetTraceSummariesRequest
{
StartTime = DateTimeOffset.FromUnixTimeSeconds(state.StartTimeInEpoch).UtcDateTime,
EndTime = DateTimeOffset.FromUnixTimeSeconds(state.EndTimeInEpoch).UtcDateTime,
TimeRangeType = TimeRangeType.Event
};
var getTraceSummariesResponse = await client.GetTraceSummariesAsync(getTraceSummariesRequest);
var traceIds = getTraceSummariesResponse.TraceSummaries.Select(x => x.Id);
var traces = new List <Trace>();
foreach (var batchIds in Batch(traceIds, XRayBatchSize))
{
var request = new BatchGetTracesRequest
{
TraceIds = batchIds.ToList(),
};
var response = await client.BatchGetTracesAsync(request);
traces.AddRange(response.Traces);
}
var metrics = new List <LambdaMetric>();
foreach (var trace in traces)
{
foreach (var segment in trace.Segments)
{
var document = JsonConvert.DeserializeObject <XRayLambdaTrace.Document>(segment.Document);
Console.WriteLine(segment.Document);
if (document.name == state.FunctionName)
{
if (document.origin == "AWS::Lambda::Function")
{
metrics.Add(CreateLambdaMetric(document, document.trace_id, document.name, document.origin, "Total"));
foreach (var subSegment in document.subsegments)
{
metrics.Add(CreateLambdaMetric(subSegment, document.trace_id, document.name, document.origin, null));
}
}
else if (document.origin == "AWS::Lambda")
{
metrics.Add(CreateLambdaMetric(document, document.trace_id, document.name, document.origin, "Total"));
}
}
}
}
var contentBody = string.Empty;
using (var writer = new StringWriter())
using (var csv = new CsvWriter(writer, CultureInfo.InvariantCulture, true))
{
csv.WriteRecords(metrics);
csv.Flush();
contentBody = writer.ToString();
}
var bucketName = System.Environment.GetEnvironmentVariable("MetricS3BucketName");
var now = DateTime.Now;
var putObjectRequest = new PutObjectRequest
{
BucketName = bucketName,
Key = $"{now:yyyy-MM-dd}/{state.FunctionName}-{now:HHmmss}.csv",
ContentType = "text/csv",
ContentBody = contentBody
};
var s3Client = new AmazonS3Client(RegionEndpoint.APSoutheast2);
await s3Client.PutObjectAsync(putObjectRequest);
return(state);
}
