public static TraceContext CreateTraceContext(this Activity activity)
{
var context = new TraceContext()
{
Traceparent = activity.GetTraceparent(),
Tracestate = activity.GetTracestate(),
ParentSpanId = activity.GetParentSpanId()
};
return(context);
}
public static async Task ActivityFunction([QueueTrigger("work-item-queue-ai", Connection = "ConnectionString")] TraceContext traceContext,
[Queue("control-queue-ai", Connection = "ConnectionString")] IAsyncCollector <TraceContext> contexts,
ILogger log)
{
log.LogInformation($"W3CActivity Functions Started.");
var requestActivity = new Activity("W3CActivity Spike: Activity Function Request");
requestActivity.SetParentAndStart(traceContext);
var requestTelemetry = new RequestTelemetry {
Name = "W3CActivity Spike: Activity Function Request"
};
requestTelemetry.SetActivity(requestActivity);
requestTelemetry.Start();
var dependencyActivity = new Activity("W3CActivity FUnction Dependency");
dependencyActivity.SetParentAndStart(requestActivity);
var dependencyTelemetry = new DependencyTelemetry {
Name = "W3CActivity Spike: Activity Function Dependency"
};
dependencyTelemetry.SetActivity(dependencyActivity);
dependencyTelemetry.Start();
var c = dependencyActivity.CreateTraceContext();
c.OrchestrationContexts = traceContext.OrchestrationContexts;
c.Completed = true;
await contexts.AddAsync(c);
dependencyActivity.Stop();
dependencyTelemetry.Stop();
client.Track(dependencyTelemetry);
requestActivity.Stop();
requestTelemetry.Stop();
client.Track(requestTelemetry);
}
public static async Task Orchestrator([QueueTrigger("control-queue-ai", Connection = "ConnectionString")]
TraceContext traceContext,
[Queue("work-item-queue-ai", Connection = "ConnectionString")]
IAsyncCollector <TraceContext> contexts,
ILogger log)
{
log.LogInformation($"Orchestration Started.");
Activity requestActivity = null;
var isReplay = traceContext.OrchestrationContexts.Count != 0;
if (!isReplay)
{
requestActivity = new Activity("W3CActivity Spike: Orchestration Request");
requestActivity.SetParentAndStart(traceContext);
var requestTelemetry = new RequestTelemetry {
Name = "W3CActivity Spike: Orchestration Request"
};
requestTelemetry.SetActivity(requestActivity);
requestTelemetry.Start();
requestActivity.Stop();
requestTelemetry.Stop();
client.Track(requestTelemetry);
}
TraceContext c = null;
if (!isReplay)
{
c = requestActivity.CreateTraceContext();
c.OrchestrationContexts = traceContext.OrchestrationContexts;
c.OrchestrationContexts.Push(requestActivity.CreateTraceContext());
}
else
{
c = traceContext.OrchestrationContexts.Peek(); // if necessary. This program doesn't need it.
}
if (traceContext.Completed)
{
var dependencyActivity = new Activity("W3CActivity Spike: Orchestration Dependency");
dependencyActivity.SetParentAndStart(traceContext.OrchestrationContexts.Peek());
var dependencyTelemetry = new DependencyTelemetry {
Name = "W3CActivity Spike: Orchestration Dependency"
};
dependencyTelemetry.SetActivity(dependencyActivity);
dependencyTelemetry.Start();
dependencyActivity.Stop();
dependencyTelemetry.Stop();
client.Track(dependencyTelemetry);
}
else
{
await contexts.AddAsync(c);
// We don't need to emit telemetry for intermediate execution.
}
}
