public static SampleAppOptions GetSampleAppOptions(this IConfiguration configuration)
{
var telemetryOptions = new SampleAppOptions();
configuration.GetSection(SampleAppOptionsConfigSection).Bind(telemetryOptions);
return(telemetryOptions);
}
static IServiceCollection AddSampleOpenTelemetry(this IServiceCollection services, SampleAppOptions sampleAppOptions, IConfiguration configuration, Action <TracerBuilder> traceBuilder = null)
{
var openTelemetryConfigSection = configuration.GetSection("OpenTelemetry");
var jaegerConfigSection = openTelemetryConfigSection.GetSection("Jaeger");
services.Configure <JaegerExporterOptions>(jaegerConfigSection);
var zipkinConfigSection = openTelemetryConfigSection.GetSection("Zipkin");
services.Configure <ZipkinTraceExporterOptions>(zipkinConfigSection);
// setup open telemetry
services.AddOpenTelemetry((sp, builder) =>
{
var serviceName = OpenTelemetryExtensions.TracerServiceName;
var exporterCount = 0;
if (zipkinConfigSection.Exists())
{
var zipkinOptions = sp.GetService <IOptions <ZipkinTraceExporterOptions> >();
if (zipkinOptions.Value != null && zipkinOptions.Value.Endpoint != null)
{
// To start zipkin:
// docker run -d -p 9411:9411 openzipkin/zipkin
exporterCount++;
builder.UseZipkin(o =>
{
o.Endpoint = zipkinOptions.Value.Endpoint;
o.ServiceName = serviceName;
});
Console.WriteLine("Using OpenTelemetry Zipkin exporter");
}
}
if (!string.IsNullOrWhiteSpace(sampleAppOptions.ApplicationInsightsForOpenTelemetryInstrumentationKey))
{
exporterCount++;
builder.UseApplicationInsights(o =>
{
o.InstrumentationKey = sampleAppOptions.ApplicationInsightsForOpenTelemetryInstrumentationKey;
o.TelemetryInitializers.Add(new CloudRoleTelemetryInitializer());
});
Console.WriteLine("Using OpenTelemetry ApplicationInsights exporter");
}
if (jaegerConfigSection.Exists())
{
// Running jaeger with docker
// docker run -d --name jaeger \
// -e COLLECTOR_ZIPKIN_HTTP_PORT=19411 \
// -p 5775:5775/udp \
// -p 6831:6831/udp \
// -p 6832:6832/udp \
// -p 5778:5778 \
// -p 16686:16686 \
// -p 14268:14268 \
// -p 19411:19411 \
// jaegertracing/all-in-one
var jaegerOptions = sp.GetService <IOptions <JaegerExporterOptions> >();
if (jaegerOptions.Value != null && !string.IsNullOrWhiteSpace(jaegerOptions.Value.AgentHost))
{
exporterCount++;
builder.UseJaeger(o =>
{
o.ServiceName = serviceName;
o.AgentHost = jaegerOptions.Value.AgentHost;
o.AgentPort = jaegerOptions.Value.AgentPort;
o.MaxPacketSize = jaegerOptions.Value.MaxPacketSize;
o.ProcessTags = jaegerOptions.Value.ProcessTags;
});
Console.WriteLine("Using OpenTelemetry Jaeger exporter");
}
}
if (exporterCount == 0)
{
throw new Exception("No sink for open telemetry was configured");
}
builder
.SetSampler(new AlwaysSampleSampler())
.AddDependencyCollector(config =>
{
config.SetHttpFlavor = true;
})
.AddRequestCollector()
.SetResource(new Resource(new Dictionary <string, object>
{
{ "service.name", serviceName }
}));
traceBuilder?.Invoke(builder);
});
var prometheusConfigSection = openTelemetryConfigSection.GetSection("Prometheus");
if (prometheusConfigSection.Exists())
{
var prometheusExporterOptions = new PrometheusExporterOptions();
prometheusConfigSection.Bind(prometheusExporterOptions);
if (!string.IsNullOrWhiteSpace(prometheusExporterOptions.Url))
{
var prometheusExporter = new PrometheusExporter(prometheusExporterOptions);
services.AddSingleton(prometheusExporter);
// Add start/stop lifetime support
services.AddHostedService <PromotheusExporterHostedService>();
Console.WriteLine($"Using OpenTelemetry Prometheus exporter in '{prometheusExporterOptions.Url}'");
}
}
return(services);
}
static IServiceCollection AddSampleApplicationInsights(this IServiceCollection services, bool isWeb, SampleAppOptions sampleAppOptions, IConfiguration configuration)
{
if (isWeb)
{
services.AddApplicationInsightsTelemetry(o =>
{
o.InstrumentationKey = sampleAppOptions.ApplicationInsightsInstrumentationKey;
o.ApplicationVersion = ApplicationInformation.Version.ToString();
});
}
else
{
services.AddApplicationInsightsTelemetryWorkerService(o =>
{
o.InstrumentationKey = sampleAppOptions.ApplicationInsightsInstrumentationKey;
o.ApplicationVersion = ApplicationInformation.Version.ToString();
});
}
services.AddSingleton <ITelemetryInitializer, CloudRoleTelemetryInitializer>();
Console.WriteLine("Using Application Insights SDK");
return(services);
}