/// <summary>
/// Should be instantiated before any Http request takes place
/// </summary>
/// <param name="setupConfig"></param>
private SimpleTracingSetup(SimpleTracingSetupConfig setupConfig)
{
setupConfig.CheckValidity();
this._setupConfig = setupConfig;
var probabilisticSampler = new ProbabilisticSampler(this._setupConfig.TracingComponentsConfigProvider);
var debugModeSampler = new DebugModeSampler(probabilisticSampler, this._setupConfig.DebugModeConfig);
var sampler = new TracesThrottlerSampler(
new ParentBasedSampler(debugModeSampler),
this._setupConfig.TracingComponentsConfigProvider);
this._setupConfig.InstrumentationConfig.WithSampler(sampler);
var httpClientHeadersTracker = new ClientHeadersTracker(this._setupConfig.TracingComponentsConfigProvider);
this._setupConfig.InstrumentationConfig.HttpInstrumentationEnrichHooks.Add(httpClientHeadersTracker);
TracingSetup.PreConfigure(this._setupConfig.InstrumentationConfig);
this._startTraceHandler = new StartTraceHandler(
ActivityTracer.Singleton,
() => sampler.DecrementOngoingTraces(),
this._setupConfig.RouteTemplateProvider, this._setupConfig.DebugModeConfig,
this._setupConfig.TracingComponentsConfigProvider
);
this._periodicUpdater = new PeriodicUpdater(
this._setupConfig.ComponentsUpdateInterval,
this._setupConfig.ComponentsUpdateTimeout,
this._setupConfig.TracingComponentsConfigProvider,
new List <IConfigUpdatableComponent> {
probabilisticSampler, sampler, httpClientHeadersTracker, this._startTraceHandler
},
this._setupConfig.Logger, this._setupConfig.MetricsTracker);
this._periodicMetricsReporter = new PeriodicMetricsReporter(
this._setupConfig.ComponentsMetricsReportInterval,
new List <IMeasurableComponent> {
probabilisticSampler, debugModeSampler, sampler, this._startTraceHandler
},
this._setupConfig.Logger,
this._setupConfig.MetricsTracker);
}
public void ConfigureTracing()
{
try
{
this._setupConfig.InstrumentationConfig.AddResourceEnhancers(new List <IResourceEnhancer>
{
OsInfo.GetResourceEnhancer(),
AwsInstanceIdentityProvider.GetCloudResourceEnhancer(),
AwsInstanceIdentityProvider.GetHostResourceEnhancer()
});
this._tracerProvider = TracingSetup.Configure(this._setupConfig.InstrumentationConfig);
this._periodicUpdater.Start();
this._periodicMetricsReporter.Start();
this._configured = true;
}
catch (Exception ex)
{
this._setupConfig.Logger.Error(nameof(SimpleTracingSetup), "Failed to configure OpenTelemetry", ex);
}
}
