public async Task ShouldPostTraceToZipkin()
{
string traceId;
using (var active = Tracer.BuildSpan("bar").WithTag("foo", true).WithTag("akka.net", "1.3.8")
.StartActive(true))
{
active.Span.Log("this is an event");
using (var active2 = Tracer.BuildSpan("foo").StartActive(true))
{
active2.Span.Log("This is a nested span");
}
traceId = active.Span.Context.AsInstanceOf <IZipkinSpanContext>().TraceId.ToString();
}
await Task.Delay(1000); // give it some time to get uploaded
var fullUri = new Uri(_httpBaseUri, $"api/v2/trace/{traceId}/");
var traceResp =
await _zipkinClient.GetAsync(fullUri);
traceResp.IsSuccessStatusCode.Should().BeTrue();
var json = await traceResp.Content.ReadAsStringAsync();
var traces = ZipkinDeserializer.Deserialize(json);
traces.Count.Should().Be(2);
var barSpan = traces.Single(x => x.name.Equals("bar"));
var fooSpan = traces.Single(x => x.name.Equals("foo"));
fooSpan.parentId.Should().Be(barSpan.id);
}
public async Task ShouldPostTraceToZipkin()
{
HttpResponseMessage traceResp = null;
var retries = 3;
for (var i = 1; i <= retries; i++)
{
/*
* Might have to try re-uploading the entire span. Takes Kafka a bit longer to spin up than stand-alone HTTP.
*
*/
string traceId;
using (var active = Tracer.BuildSpan("bar").WithTag("foo", true).WithTag("akka.net", "1.3.8")
.StartActive(true))
{
active.Span.Log("this is an event");
using (var active2 = Tracer.BuildSpan("foo").StartActive(true))
{
active2.Span.Log("This is a nested span");
}
traceId = active.Span.Context.AsInstanceOf <IZipkinSpanContext>().TraceId;
}
var fullUri = new Uri(_httpBaseUri, $"api/v2/trace/{traceId}");
try
{
await Task.Delay(1000); // give it some time to get uploaded
traceResp =
await _zipkinClient.GetAsync(fullUri);
traceResp.IsSuccessStatusCode.Should()
.BeTrue(
$"Expected success status code, but instead found [{traceResp.StatusCode}][{traceResp.ReasonPhrase}]");
}
catch (Exception ex)
{
if (i == retries)
{
throw;
}
}
}
var json = await traceResp.Content.ReadAsStringAsync();
var traces = ZipkinDeserializer.Deserialize(json);
traces.Count.Should().Be(2);
var barSpan = traces.Single(x => x.name.Equals("bar"));
var fooSpan = traces.Single(x => x.name.Equals("foo"));
fooSpan.parentId.Should().Be(barSpan.id);
}
public async Task HttpReporterShouldPostCorrectlyToZipkin()
{
var testTracer = new ZipkinTracer(new ZipkinTracerOptions(
new Endpoint(_appName), new NoOpReporter())
{
ScopeManager = new AsyncLocalScopeManager()
});
string traceId;
Span parentSpan = null;
Span childSpan = null;
using (var parentScope = testTracer.BuildSpan("parent").StartActive())
{
parentSpan = (Span)parentScope.Span;
using (var childScope = testTracer.BuildSpan("child").StartActive())
{
childSpan = (Span)childScope.Span;
}
traceId = parentSpan.TypedContext.TraceId;
}
// sanity check
parentSpan.TypedContext.ParentId.Should().BeNullOrEmpty();
childSpan.TypedContext.ParentId.Should().Be(parentSpan.Context.SpanId);
// create an HTTP reporting engine
var httpReporter = new ZipkinHttpApiTransmitter(_zipkinClient,
ZipkinHttpApiTransmitter.GetFullZipkinUri(_httpBaseUri.AbsoluteUri));
// manually transmit data to Zipkin for parent span
var resp1 = await httpReporter.TransmitSpans(new[] { parentSpan }, TimeSpan.FromSeconds(3));
resp1.IsSuccessStatusCode.Should().BeTrue(
$"Expected success status code, but instead found [{resp1.StatusCode}][{resp1.ReasonPhrase}]");
// manually transmit data to Zipkin for child span
var resp2 = await httpReporter.TransmitSpans(new[] { childSpan }, TimeSpan.FromSeconds(3));
resp2.IsSuccessStatusCode.Should().BeTrue(
$"Expected success status code, but instead found [{resp2.StatusCode}][{resp2.ReasonPhrase}]");
var fullUri = new Uri(_httpBaseUri, $"api/v2/trace/{traceId}");
HttpResponseMessage traceResp = null;
var retries = 3;
for (var i = 1; i <= retries; i++)
{
try
{
await Task.Delay(1000); // give it some time to get uploaded
traceResp =
await _zipkinClient.GetAsync(fullUri);
traceResp.IsSuccessStatusCode.Should()
.BeTrue(
$"Expected success status code, but instead found [{traceResp.StatusCode}][{traceResp.ReasonPhrase}]");
}
catch (Exception ex)
{
if (i == retries)
{
throw;
}
}
}
var json = await traceResp.Content.ReadAsStringAsync();
var traces = ZipkinDeserializer.Deserialize(json);
traces.Count.Should().Be(2);
}