// This method gets called by the runtime. Use this method to configure the HTTP request pipeline. public void Configure(IApplicationBuilder app, IHostingEnvironment env, IApplicationLifetime lifetime) { if (env.IsDevelopment()) { app.UseBrowserLink(); app.UseDeveloperExceptionPage(); } else { app.UseExceptionHandler("/Home/Error"); } app.UseStaticFiles(); app.UseMvc(routes => { routes.MapRoute( name: "default", template: "{controller=Home}/{action=Index}/{id?}"); }); // register this service ServiceEntity serviceEntity = new ServiceEntity { IP = Configuration["Service:IP"],// NetworkHelper.LocalIPAddress, Port = Convert.ToInt32(Configuration["Service:Port"]), ServiceName = Configuration["Service:Name"], ConsulIP = Configuration["Consul:IP"], ConsulPort = Convert.ToInt32(Configuration["Consul:Port"]) }; app.RegisterWithConsul(lifetime, serviceEntity); }
public static IApplicationBuilder RegisterWithConsul(this IApplicationBuilder app, IApplicationLifetime lifetime, ServiceEntity serviceEntity) { var consulClient = new ConsulClient(x => x.Address = new Uri($"http://{serviceEntity.ConsulIP}:{serviceEntity.ConsulPort}"));//请求注册的 Consul 地址 var httpCheck = new AgentServiceCheck() { DeregisterCriticalServiceAfter = TimeSpan.FromSeconds(5), //服务启动多久后注册 Interval = TimeSpan.FromSeconds(10), //健康检查时间间隔,或者称为心跳间隔 // 即本程序运行后的IP地址。需要使用命令: // docker inspect -f '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' consultest_consultest_1 HTTP = $"http://{serviceEntity.IP}:{serviceEntity.Port}/api/health",//健康检查地址 Timeout = TimeSpan.FromSeconds(5) }; // Register service with consul var registration = new AgentServiceRegistration() { Checks = new[] { httpCheck }, ID = Guid.NewGuid().ToString(), Name = serviceEntity.ServiceName, Address = serviceEntity.IP, Port = serviceEntity.Port, Tags = new[] { $"urlprefix-/{serviceEntity.ServiceName}" }//添加 urlprefix-/servicename 格式的 tag 标签,以便 Fabio 识别 }; consulClient.Agent.ServiceRegister(registration).Wait();//服务启动时注册,内部实现其实就是使用 Consul API 进行注册(HttpClient发起) lifetime.ApplicationStopping.Register(() => { consulClient.Agent.ServiceDeregister(registration.ID).Wait();//服务停止时取消注册 }); return(app); }