public static JaegerOptions Create()
{
var jaegerOptions = new JaegerOptions();
foreach (var propertyInfo in jaegerOptions.GetType().GetProperties())
{
var configValue = Environment.GetEnvironmentVariable($"JAEGER_{propertyInfo.Name.ToUpperSnakeCase()}");
var defaultValue = propertyInfo.GetValue(jaegerOptions);
propertyInfo.SetValue(jaegerOptions, configValue ?? defaultValue, null);
}
return(jaegerOptions);
}
public static JaegerOptions Create(IConfiguration configuration)
{
var jaegerOptions = new JaegerOptions();
foreach (var propertyInfo in jaegerOptions.GetType().GetProperties())
{
var configValue = configuration[$"JAEGER_{propertyInfo.Name.ToUpperSnakeCase()}"];
var defaultValue = propertyInfo.GetValue(jaegerOptions);
propertyInfo.SetValue(jaegerOptions, configValue ?? defaultValue, null);
}
return(jaegerOptions);
}
public static IServiceCollection AddJaegerTracing(this IServiceCollection services, Action <JaegerOptions> configure)
{
services.Configure(configure);
var options = new JaegerOptions();
configure?.Invoke(options);
services.AddOpenTracing();
// Add ITracer
services.AddSingleton(serviceProvider =>
{
var configuration = serviceProvider.GetService <IConfiguration>();
var loggerFactory = serviceProvider.GetService <ILoggerFactory>();
Configuration.SenderConfiguration.DefaultSenderResolver =
new SenderResolver(loggerFactory).RegisterSenderFactory <ThriftSenderFactory>();
var tracerConfig = GetTracerConfig(options, loggerFactory);
// Tracer
var tracer = tracerConfig.GetTracer();
if (!GlobalTracer.IsRegistered())
{
GlobalTracer.Register(tracer);
}
return(tracer);
});
services.Configure <HttpHandlerDiagnosticOptions>(o =>
{
o.IgnorePatterns.Add(x => !x.RequestUri.IsLoopback);
});
return(services);
}
private static Configuration GetTracerConfig(JaegerOptions options, ILoggerFactory loggerFactory)
{
// Sender
var senderConfig = new Configuration.SenderConfiguration(loggerFactory);
senderConfig.WithAgentHost(options.AgentHost)
.WithAgentPort(options.AgentPort)
.WithEndpoint(options.Endpoint);
if (!string.IsNullOrEmpty(options.User))
{
senderConfig.WithAuthUsername(options.User)
.WithAuthPassword(options.Password);
}
if (!string.IsNullOrEmpty(options.AuthToken))
{
senderConfig.WithAuthToken(options.AuthToken);
}
// Sampler
var samplerConfig = new Configuration.SamplerConfiguration(loggerFactory)
.WithSamplingEndpoint(options.SamplingEndpoint)
.WithType(ConstSampler.Type);
// Reporter
var reporterConfig = new Configuration.ReporterConfiguration(loggerFactory);
reporterConfig.WithSender(senderConfig);
// Configuration
var tracerConfig = new Configuration(options.ServiceName, loggerFactory)
.WithSampler(samplerConfig)
.WithReporter(reporterConfig);
return(tracerConfig);
}
public static IServiceCollection AddJaegerTracing(this IServiceCollection services, JaegerOptions options)
{
return(services.AddJaegerTracing(configure =>
{
options.CopyTo(configure);
}));
}