private static ISampler GetJaegerSampler(JaegerOptions options)
{
return(options.Sampler switch
{
"const" => new ConstSampler(true),
"rate" => new RateLimitingSampler(options.MaxTracesPerSecond),
"probabilistic" => new ProbabilisticSampler(options.SamplingRate),
_ => new ConstSampler(true),
});
public static IServiceCollection ConfigureTracingServices(this IServiceCollection services)
{
JaegerOptions jaegerOptions = GetJaegerOptions(services);
if (!jaegerOptions.Enabled)
{
return(services);
}
services.AddSingleton <ITracer>(serviceProvider =>
{
ILoggerFactory loggerFactory = serviceProvider.GetRequiredService <ILoggerFactory>();
RemoteReporter reporter = new RemoteReporter
.Builder()
.WithSender(new UdpSender(jaegerOptions.UdpHost, jaegerOptions.UdpPort, jaegerOptions.MaxPacketSize))
.WithLoggerFactory(loggerFactory)
.Build();
ISampler sampler = GetJaegerSampler(jaegerOptions);
Tracer tracer = new Tracer
.Builder(jaegerOptions.ServiceName)
.WithReporter(reporter)
.WithSampler(sampler)
.Build();
GlobalTracer.Register(tracer);
return(tracer);
});
services.AddOpenTracing();
return(services);
}
