public OpenTracingSendTracesToAgent()
{
var uri = new Uri("http://localhost:8126");
_httpRecorder = new RecordHttpHandler();
_tracer = OpenTracingTracerFactory.CreateTracer(uri, null, _httpRecorder);
}
public static IServiceCollection AddDataDogTracer(this IServiceCollection services)
{
ITracer tracer = OpenTracingTracerFactory.WrapTracer(Datadog.Trace.Tracer.Instance);
GlobalTracer.Register(tracer);
services.TryAddSingleton(tracer);
return(services);
}
public static void ConfigureDataDogTracing(IServiceCollection services)
{
// Add DataDog Tracing
services.AddSingleton <ITracer>(sp =>
{
return(OpenTracingTracerFactory.CreateTracer().WithScopeManager(new ActorScopeManager()));
});
}
public void SetDefaultServiceName()
{
ITracer tracer = OpenTracingTracerFactory.CreateTracer(defaultServiceName: "DefaultServiceName");
var scope = tracer.BuildSpan("Operation")
.StartActive();
var otSpan = (OpenTracingSpan)scope.Span;
var ddSpan = otSpan.Span;
Assert.Equal("DefaultServiceName", ddSpan.ServiceName);
}
public void OverrideDefaultServiceName_SetTag()
{
ITracer tracer = OpenTracingTracerFactory.CreateTracer(defaultServiceName: "DefaultServiceName");
var scope = tracer.BuildSpan("Operation")
.StartActive();
scope.Span.SetTag(DatadogTags.ServiceName, "MyAwesomeService");
var otSpan = (OpenTracingSpan)scope.Span;
var ddSpan = otSpan.Span;
Assert.Equal("MyAwesomeService", ddSpan.ServiceName);
}
public void ConfigureServices(IServiceCollection services)
{
services.AddMvc(o => { o.Filters.Add(new ModelAttributeValidationFilter()); })
.SetCompatibilityVersion(CompatibilityVersion.Latest);
// Demo data creation services
services.AddSingleton <IDemoDataService, DemoDataService>();
// Open tracing...
services.AddSingleton(OpenTracingTracerFactory.CreateTracer());
services.AddSingleton <IConfigurationDecorationService>(EnvironmentVariableConfigurationDecorationService.Instance);
services.AddSingleton <SqlServerDbProvider>();
services.AddSingleton <MySqlDbProvider>();
services.AddSingleton <IDbFactory>(s => new SimpleDbFactory(GetDbProvidersMap(s)));
services.AddSingleton <IRedisClientsManager>(
s => new RedisManagerPool(
EnvironmentVariableConfigurationDecorationService.Instance
.Get("REDIS_HOST")
.DefaultIfNullOrEmpty(_configuration.GetSection("DbConnection.Redis")?.Value)
.DefaultIfNullOrEmpty("localhost:6379"),
new RedisPoolConfig
{
MaxPoolSize = 150
}));
// Repos
services.AddSingleton <SqlUserRepository>();
services.AddSingleton <SqlOrderRepository>();
services.AddSingleton <SqlOrderItemRepository>();
services.AddSingleton <MySqlProductRepository>();
// Manual trace the user repo...
services.AddSingleton <IUserRepository, ManualTracedSqlUserRepository>(s => new ManualTracedSqlUserRepository(new CachedSqlUserRepository(s.GetRequiredService <IRedisClientsManager>(),
s.GetRequiredService <SqlUserRepository>())));
services.AddSingleton <IOrderRepository, CachedSqlOrderRepository>(s => new CachedSqlOrderRepository(s.GetRequiredService <IRedisClientsManager>(),
s.GetRequiredService <SqlOrderRepository>()));
services.AddSingleton <IOrderItemRepository, CachedSqlOrderItemRepository>(s => new CachedSqlOrderItemRepository(s.GetRequiredService <IRedisClientsManager>(),
s.GetRequiredService <SqlOrderItemRepository>()));
// Open trace the product repo...
services.AddSingleton <IProductRepository, OpenTracedMySqlProductRepository>(s => new OpenTracedMySqlProductRepository(s.GetRequiredService <ITracer>(),
new CachedMySqlProductRepository(s.GetRequiredService <IRedisClientsManager>(),
s.GetRequiredService <MySqlProductRepository>())));
}
// This method gets called by the runtime. Use this method to add services to the container.
public void ConfigureServices(IServiceCollection services)
{
// Create an OpenTracing ITracer with the default setting
OpenTracing.ITracer tracer = OpenTracingTracerFactory.CreateTracer();
// Use the tracer with ASP.NET Core dependency injection
services.AddSingleton <ITracer>(tracer);
// Use the tracer with OpenTracing.GlobalTracer.Instance
GlobalTracer.Register(tracer);
services.AddControllersWithViews();
services.AddDbContext <ProductsContext>(options =>
options.UseSqlServer(Configuration.GetConnectionString("ProductsContext")));
}
public void Parent_OverrideDefaultServiceName_WithTag()
{
ITracer tracer = OpenTracingTracerFactory.CreateTracer(defaultServiceName: "DefaultServiceName");
var parentScope = tracer.BuildSpan("ParentOperation")
.WithTag(DatadogTags.ServiceName, "MyAwesomeService")
.StartActive();
var childScope = tracer.BuildSpan("ChildOperation")
.AsChildOf(parentScope.Span)
.StartActive();
var otSpan = (OpenTracingSpan)childScope.Span;
var ddSpan = otSpan.Span;
Assert.Equal("MyAwesomeService", ddSpan.ServiceName);
}
public void Parent_OverrideDefaultServiceName_SetTag()
{
const string defaultServiceName = "DefaultServiceName";
var tracer = OpenTracingTracerFactory.CreateTracer(defaultServiceName: defaultServiceName);
var parentScope = tracer.BuildSpan("ParentOperation")
.StartActive();
parentScope.Span.SetTag(DatadogTags.ServiceName, "MyAwesomeService");
var childScope = tracer.BuildSpan("ChildOperation")
.AsChildOf(parentScope.Span)
.StartActive();
Assert.Equal("MyAwesomeService", ((OpenTracingSpan)parentScope.Span).Span.ServiceName);
Assert.NotEqual("MyAwesomeService", ((OpenTracingSpan)childScope.Span).Span.ServiceName);
Assert.Equal(defaultServiceName, ((OpenTracingSpan)childScope.Span).Span.ServiceName);
}
public void RegisteredAsGlobalTracer_OnlyOnce()
{
Assert.False(OpenTracingTracerFactory.RegisterGlobalTracer(_datadogTracer));
}
