public static OpenTelemetryConfig GetTracingConfiguration(IConfiguration config)
{
var otlpConfig = new OpenTelemetryConfig();
config.Bind("OpenTelemetryTracing", otlpConfig);
otlpConfig.ServiceVersion = EnvironmentConfigGetter.GetServiceVersion();
otlpConfig.OsType = EnvironmentConfigGetter.GetOsName();
otlpConfig.OsDescription = EnvironmentConfigGetter.GetOsDescription();
otlpConfig.DeploymentEnvironment = EnvironmentConfigGetter.GetDeploymentEnvironment();
return(otlpConfig);
}
public static void ConfigureTracer(this IServiceCollection services, OpenTelemetryConfig conf)
{
TracerSingleton.Tracer = new ActivitySource(conf.ServiceName);
var resource = Resources.CreateServiceResource(conf.ServiceName, serviceVersion: conf.ServiceVersion)
.Merge(new Resource(new Dictionary <string, object>
{
{ "deployment.environment", conf.DeploymentEnvironment },
{ "os.type", conf.OsType },
{ "os.description", conf.OsDescription },
// TODO Add resource information
// {"cloud.zone", conf.CloudZone},
// {"host.id", conf.HostID},
// {"host.name", conf.HostName},
// {"host.type", conf.HostType},
// {"process.runtime.name", GetDotnetRuntimeName()},
// {"process.runtime.version", GetDotnetRuntimeVersion()},
}));
services.AddOpenTelemetryTracing((builder) =>
{
builder
.SetResource(resource)
.AddSource(conf.ServiceName)
.AddAspNetCoreInstrumentation(opt =>
opt.Filter = (httpContext) => !httpContext.Request.Path.StartsWithSegments("/healthcheck"))
.AddHttpClientInstrumentation((opt) =>
opt.Filter = _ => Activity.Current?.IsAllDataRequested ?? false)
.SetSampler(new ParentBasedSampler(new TraceIdDynamicRatioSampler(conf.InitialSamplingRatio)))
.AddOtlpExporter(opt =>
{
opt.Endpoint = conf.LightstepIngesterEndpoint;
opt.Headers = new Metadata {
{ "lightstep-access-token", conf.LightstepProjectToken }
};
opt.Credentials = new SslCredentials();
});
});
}