private static void ConfigureSampler(OpenTelemetryOptions openTelemetryOptions, TracerProviderBuilder configure)
{
if (openTelemetryOptions.AlwaysOnSampler)
{
configure.SetSampler(new AlwaysOnSampler());
}
}
private static void ConfigureOpenTelemetry(IServiceCollection services, OpenTelemetryOptions openTelemetryOptions)
{
services.AddOpenTelemetryTracing(configure =>
{
ConfigureSampler(openTelemetryOptions, configure);
ConfigureInstrumentation(openTelemetryOptions, configure);
ConfigureExporters(openTelemetryOptions, configure);
});
}
private static void ConfigureInstrumentation(OpenTelemetryOptions openTelemetryOptions, TracerProviderBuilder configure)
{
Sdk.SetDefaultTextMapPropagator(GetPropagator(openTelemetryOptions));
configure.AddAspNetCoreInstrumentation();
configure.AddHttpClientInstrumentation();
configure.AddSqlClientInstrumentation();
}
private static void ConfigureExporters(OpenTelemetryOptions openTelemetryOptions, TracerProviderBuilder configure)
{
if (openTelemetryOptions.Jaeger.Enabled)
{
configure.SetResourceBuilder(ResourceBuilder.CreateDefault()
.AddService(openTelemetryOptions.Jaeger.ServiceName));
configure.AddJaegerExporter(config =>
{
config.AgentHost = openTelemetryOptions.Jaeger.Host;
config.AgentPort = openTelemetryOptions.Jaeger.Port;
});
}
}
private static TextMapPropagator GetPropagator(OpenTelemetryOptions openTelemetryOptions)
{
var propagators = new List <TextMapPropagator>()
{
new TraceContextPropagator(),
new BaggagePropagator(),
};
if (openTelemetryOptions.Istio)
{
propagators.Add(new B3Propagator());
}
return(new CompositeTextMapPropagator(propagators));
}