public static async Task <IActionResult> Run(
[HttpTrigger(AuthorizationLevel.Anonymous, "get", "post", Route = null)] HttpRequest req,
[Queue("control-queue-ai", Connection = "ConnectionString")] IAsyncCollector <Context> contexts,
ILogger log)
{
log.LogInformation("Accept the request. Incoming request doesn't have correlation info.");
var requestActivity = new Activity("ActivitySpike: HttpTrigger Request");
var current = Activity.Current; // You can refer the current Activity. That is automatically created by HttpTrigger.
// No parent from the start
requestActivity.Start();
var requestTelemetry = new RequestTelemetry {
Name = "ActivitySpike: HttpTrigger Request"
};
requestTelemetry.SetActivity(requestActivity);
requestTelemetry.Start();
requestTelemetry.Stop();
client.Track(requestTelemetry);
var dependencyActivity = new Activity("HttpTrigger Dependency Queue output");
dependencyActivity.SetParentId(requestActivity.Id); // You can omit this code
dependencyActivity.Start();
var context = new Context()
{
ActivityId = dependencyActivity.Id,
ParentId = dependencyActivity.ParentId,
};
var dependencyTelemetry = new DependencyTelemetry {
Name = "ActivitySpike:: Enqueue"
};
dependencyTelemetry.SetActivity(dependencyActivity);
dependencyTelemetry.Start();
client.StartOperation(requestTelemetry);
await contexts.AddAsync(context);
dependencyActivity.Stop();
requestActivity.Stop();
dependencyTelemetry.Stop();
client.Track(dependencyTelemetry);
return(new OkObjectResult($"Orchestration has been started."));
}
public static async Task <IActionResult> Run(
[HttpTrigger(AuthorizationLevel.Anonymous, "get", "post", Route = null)] HttpRequest req,
[Queue("control-queue-ai", Connection = "ConnectionString")] IAsyncCollector <TraceContext> contexts,
ILogger log)
{
log.LogInformation("Accept the request. Incoming request doesn't have correlation info.");
var requestActivity = new Activity("W3CActivitySpike: HttpTrigger Request");
requestActivity.GenerateW3CContext();
// No parent from the start
requestActivity.Start();
var requestTelemetry = new RequestTelemetry {
Name = "W3CActivitySpike: HttpTrigger Request"
};
requestTelemetry.SetActivity(requestActivity);
requestTelemetry.Start();
requestTelemetry.Stop();
client.Track(requestTelemetry);
var dependencyActivity = new Activity("HttpTrigger Dependency Queue output");
dependencyActivity.SetTraceparent(requestActivity.GetTraceparent());
dependencyActivity.SetTracestate(requestActivity.GetTracestate());
// dependencyActivity.SetParentId(requestActivity.Id); // maybe not necessary
dependencyActivity.Start();
var context = dependencyActivity.CreateTraceContext();
var dependencyTelemetry = new DependencyTelemetry {
Name = "W3CActivitySpike:: Enqueue"
};
dependencyTelemetry.SetActivity(dependencyActivity);
dependencyTelemetry.Start();
await contexts.AddAsync(context);
dependencyActivity.Stop();
requestActivity.Stop();
dependencyTelemetry.Stop();
client.Track(dependencyTelemetry);
return(new OkObjectResult($"Orchestration has been started."));
}
public static async Task ActivityFunction([QueueTrigger("work-item-queue-ai", Connection = "ConnectionString")] Context context,
[Queue("control-queue-ai", Connection = "ConnectionString")] IAsyncCollector <Context> contexts,
ILogger log)
{
log.LogInformation($"Activity Functions Started.");
var requestActivity = new Activity("Activity Spike: Activity Function Request");
requestActivity.SetParentId(context.ActivityId);
requestActivity.Start();
var requestTelemetry = new RequestTelemetry {
Name = "Activity Spike: Activity Function Request"
};
requestTelemetry.SetActivity(requestActivity);
requestTelemetry.Start();
var dependencyActivity = new Activity("Activity FUnction Dependency");
dependencyActivity.SetParentId(requestActivity.Id); // You can omit this.
dependencyActivity.Start();
var dependencyTelemetry = new DependencyTelemetry {
Name = "Activity Spike: Activity Function Dependency"
};
dependencyTelemetry.SetActivity(dependencyActivity);
dependencyTelemetry.Start();
var c = new Context()
{
ActivityId = dependencyActivity.Id,
ParentId = dependencyActivity.ParentId,
OrchestrationActivity = context.OrchestrationActivity, // I skip the code for stack for the activity.
Completed = true
};
await contexts.AddAsync(c);
dependencyActivity.Stop();
dependencyTelemetry.Stop();
client.Track(dependencyTelemetry);
requestActivity.Stop();
requestTelemetry.Stop();
client.Track(requestTelemetry);
}
public static async Task ActivityFunction([QueueTrigger("work-item-queue-ai", Connection = "ConnectionString")] TraceContext traceContext,
[Queue("control-queue-ai", Connection = "ConnectionString")] IAsyncCollector <TraceContext> contexts,
ILogger log)
{
log.LogInformation($"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")] Context context,
[Queue("work-item-queue-ai", Connection = "ConnectionString")] IAsyncCollector <Context> contexts,
ILogger log)
{
log.LogInformation($"Orchestration Started.");
Activity requestActivity = null;
if (context.OrchestrationActivity == null) // In case of the initial execution.
{
requestActivity = new Activity("Activity Spike: Orchestration Request");
requestActivity.SetParentId(context.ActivityId);
}
else
{
requestActivity = new Activity("Activity Spike: Orchestration Request");
// After Activity.SetParentId then Start the actvitiy, it will create a new Id. However, it is not Identical as the last execution.
// This is necessary. Or directly set from SubsetActivity. This is not recommended. However, there is no way for this protocol.
var property = typeof(Activity).GetProperty("Id", BindingFlags.Public | BindingFlags.Instance);
property.SetValue(requestActivity, context.OrchestrationActivity.ActivityId);
requestActivity.SetParentId(context.OrchestrationActivity.ParentId);
}
requestActivity.Start();
var subsetActivity = new SubsetActivity()
{
ActivityId = requestActivity.Id,
ParentId = requestActivity.ParentId,
RootId = requestActivity.RootId
};
var requestTelemetry = new RequestTelemetry {
Name = "Activity Spike: Ochestration Result"
};
if (context.OrchestrationActivity == null)
{
requestTelemetry.SetActivity(requestActivity);
}
else
{
requestTelemetry.Id = context.OrchestrationActivity.ActivityId;
requestTelemetry.Context.Operation.Id = context.OrchestrationActivity.RootId;
requestTelemetry.Context.Operation.ParentId = context.OrchestrationActivity.ParentId;
}
requestTelemetry.Start();
// Only the last execution, we track it.
var dependencyActivity = new Activity("Activity Spike: Orchestration Dependency");
dependencyActivity.SetParentId(requestActivity.Id); // You can omit this.
dependencyActivity.Start();
var dependencyTelemetry = new DependencyTelemetry {
Name = "Activity Spike: Orchestration Dependency"
};
dependencyTelemetry.SetActivity(dependencyActivity);
dependencyTelemetry.Start();
var c = new Context()
{
ActivityId = requestActivity.Id,
ParentId = requestActivity.ParentId,
OrchestrationActivity = subsetActivity
};
dependencyActivity.Stop();
dependencyTelemetry.Stop();
if (context.Completed)
{
client.Track(dependencyTelemetry);
}
else
{
await contexts.AddAsync(c);
// We don't need to emit telemetry for intermediate execution.
}
requestActivity.Stop();
requestTelemetry.Stop();
if (context.OrchestrationActivity == null) // In case of the initial execution.
{
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.
}
}