public void Configure(IApplicationBuilder app, IHostingEnvironment env, IApplicationLifetime appLifeTime)
{
//if (env.IsDevelopment())
app.UseDeveloperExceptionPage();
//else
// //使用全局异常捕获，并在error页面呈现
// app.UseExceptionHandler("/message/error");
//使访问支持静态内容返回，不加这句话图片等静态资源都返回不了
app.UseStaticFiles();
//启用上传下载删除文件功能
app.UseUpload();
app.UseDownload();
app.UseRemoveFile();
//启用心跳包功能
app.UseHealth();
//把appsetting的配置加载到context.items["AppSetting"]中
app.UseAppSetting();
//var log=app.ApplicationServices.GetRequiredService<ILoggerFactory>().AddConsole().CreateLogger("aa");
app.UseMvc(routes => routes.MapRoute(
name: "default",
template: "{controller=Home}/{action=Index}/{id?}"));
//启用swagger
var swaggerdoc = new OptionsSwagger();
Configuration.GetSection("OptionsSwagger").Bind(swaggerdoc);
app.UseSwagger(swaggerdoc);
//发现服务（consul等）的配置文件
var serviceInfo = new OptionsServiceInfo();
Configuration.GetSection("OptionsServiceInfo").Bind(serviceInfo);
//心跳包的配置文件
var health = new OptionsHealth();
Configuration.GetSection("OptionsHealth").Bind(health);
//执行服务注册到服务发现中心（consul等）
app.ExecServiceRegister(appLifeTime, serviceInfo, health);
}
public void Register(IApplicationLifetime lifetime, OptionsServiceInfo serviceInfo, OptionsHealth health)
{
if (!serviceInfo.Enable)
{
return;
}
var consulClient = new ConsulClient(x => x.Address = new Uri($"http://{serviceInfo.RegisterIP}:{serviceInfo.RegisterPort}"));//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(serviceInfo.Interval), //健康检查时间间隔，或者称为心跳间隔
HTTP = $"http://{serviceInfo.ServiceIP}:{serviceInfo.ServicePort}{health.Router}", //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 = serviceInfo.ServiceName,
Address = serviceInfo.ServiceIP,
Port = serviceInfo.ServicePort,
Tags = new[] { $"urlprefix-/{serviceInfo.ServiceName}" }//添加 urlprefix-/servicename 格式的 tag 标签，以便 Fabio 识别
};
try
{
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
});
}
catch (Exception ex)
{
log.InfoAsync("注册到Consul异常：" + ex.Message);
}
}
/// <summary>
/// 执行服务注册
/// </summary>
/// <param name="app"></param>
/// <returns></returns>
public static void ExecServiceRegister(this IApplicationBuilder app, IApplicationLifetime lifetime, OptionsServiceInfo serviceInfo, OptionsHealth health)
{
if (serviceInfo == null || health == null)
{
return;
}
if (string.IsNullOrEmpty(serviceInfo.ServiceName) || string.IsNullOrEmpty(health.Router))
{
return;
}
serviceInfo.ServiceIP = Common.Share.IPHelper.GetNetWork(serviceInfo.ServiceIP);
IServiceRegisterProvider provider = new ConsulProvider();//todo:后续要改成工厂
provider.Register(lifetime, serviceInfo, health);
}
