public void BuildSpan()
{
var span = new NewRelicSpan(
traceId: "traceId",
spanId: "spanId",
timestamp: 1L,
parentSpanId: "parentId",
attributes: new Dictionary <string, object>()
{
{ "attrKey", "attrValue" },
{ "adsfasdf", 12 },
{ NewRelicConsts.Tracing.AttribNameDurationMs, 67 },
{ NewRelicConsts.Tracing.AttribNameServiceName, "serviceName" },
{ NewRelicConsts.Tracing.AttribNameName, "name" },
});
Assert.Equal("spanId", span.Id);
Assert.Equal("traceId", span.TraceId);
Assert.Equal(1L, span.Timestamp);
Assert.Equal("serviceName", span.Attributes?["service.name"]);
Assert.Equal(67, span.Attributes?["duration.ms"]);
Assert.Equal("name", span.Attributes?["name"]);
Assert.Equal("parentId", span.Attributes?["parent.id"]);
Assert.Equal("attrValue", span.Attributes?["attrKey"]);
}
public void SendANonEmptySpanBatch()
{
var traceId = "123";
var span = new NewRelicSpan(
traceId: null,
spanId: "Span1",
timestamp: DateTimeOffset.UtcNow.ToUnixTimeMilliseconds(),
parentSpanId: null,
attributes: new Dictionary <string, object>()
{
{ NewRelicConsts.Tracing.AttribNameName, "TestSpan" },
});
var spanBatch = new NewRelicSpanBatch(
spans: new[] { span },
commonProperties: new NewRelicSpanBatchCommonProperties(traceId));
var dataSender = new TraceDataSender(new TelemetryConfiguration()
{
ApiKey = "123456"
}, null);
dataSender.WithHttpHandlerImpl((serializedJson) =>
{
var response = new HttpResponseMessage(System.Net.HttpStatusCode.OK);
return(Task.FromResult(response));
});
var response = dataSender.SendDataAsync(spanBatch).Result;
Assert.Equal(NewRelicResponseStatus.Success, response.ResponseStatus);
}
public async Task <IEnumerable <WeatherForecast> > Get()
{
// Each span must have a unique identifier. In this example, we are using a Guid.
var spanId = Guid.NewGuid().ToString();
var spanTimeStamp = DateTimeOffset.UtcNow;
var spanAttribs = new Dictionary <string, object>();
// Wrapping the unit of work inside a try/catch is helpful to ensure that
// spans are always reported to the endpoint, even if they have exceptions.
try
{
// This is the unit of work being tracked by the span.
var rng = new Random();
var result = Enumerable.Range(1, 5)
.Select(index => new WeatherForecast()
{
Date = DateTime.Now.AddDays(index),
TemperatureC = rng.Next(-20, 55),
Summary = Summaries[rng.Next(Summaries.Length)]
})
.ToArray();
return(result);
}
// If an unhandled exception occurs, it can be denoted on the span.
catch (Exception ex)
{
spanAttribs[NewRelicConsts.Tracing.AttribNameErrorMsg] = ex;
//This ensures that tracking of spans doesn't interfere with the normal execution flow
throw;
}
// In all cases, the span is sent up to the New Relic endpoint.
finally
{
spanAttribs[NewRelicConsts.Tracing.AttribNameName] = "WeatherForecast/Get";
spanAttribs[NewRelicConsts.Tracing.AttribNameDurationMs] = DateTimeOffset.UtcNow.Subtract(spanTimeStamp).TotalMilliseconds;
var span = new NewRelicSpan(
traceId: Guid.NewGuid().ToString(),
spanId: spanId,
timestamp: spanTimeStamp.ToUnixTimeMilliseconds(),
parentSpanId: null,
attributes: spanAttribs);
// Send it to the New Relic endpoint.
var newRelicResult = await _spanDataSender.SendDataAsync(new[] { span });
if (newRelicResult.ResponseStatus == NewRelicResponseStatus.Failure)
{
_logger.LogWarning("There was a problem sending the SpanBatch to New Relic endpoint");
}
}
}
/// <summary>
/// In this example, multiple traces will be reported in the same batch.
/// Accordingly, the TraceId is applied to the individual spans, and NOT on
/// the SpanBatch.
/// </summary>
private static async Task Example_SpanBatchForMultipleTraces()
{
// The collection of Spans
var spans = new List <NewRelicSpan>();
for (var traceIdx = 0; traceIdx < 3; traceIdx++)
{
var traceId = Guid.NewGuid().ToString();
// Perform 10 units of work as part of this trace/spanBatch
for (var spanIdx = 0; spanIdx < 5; spanIdx++)
{
var spanStartTime = DateTime.UtcNow;
var spanAttribs = new Dictionary <string, object>();
try
{
// Attempt to perform a unit of work
DoWork($"Hello World #{spanIdx}");
}
catch (Exception ex)
{
// In the event of an exception, mark the span
// as having an error and record a custom attribute
// with the details about the exception.
spanAttribs[NewRelicConsts.Tracing.AttribNameErrorMsg] = ex.Message;
}
finally
{
spanAttribs[NewRelicConsts.Tracing.AttribNameName] = $"{traceId} - {spanIdx}";
spanAttribs[NewRelicConsts.Tracing.AttribNameDurationMs] = DateTime.UtcNow.Subtract(spanStartTime).TotalMilliseconds;
// Create a new Span assigning it a random guid as the spanId
var span = new NewRelicSpan(
traceId: traceId, //Since we're mixing traces in the same batch, the trace id is supplied on each span
spanId: Guid.NewGuid().ToString(),
parentSpanId: null,
timestamp: DateTimeOffset.UtcNow.ToUnixTimeMilliseconds(),
attributes: spanAttribs);
spans.Add(span);
}
}
}
var spanBatch = new NewRelicSpanBatch(spans);
// Send the SpanBatch to the New Relic endpoint.
await SendDataToNewRelic(spanBatch);
}
