{
  "Logging": {
    "LogLevel": {
      "Default": "Information",
      "Microsoft.AspNetCore": "Warning"
    }
  },
  "AllowedHosts": "*",
  "Kestrel": {
    "EndpointDefaults": {
      "Protocols": "Http2"
    }
  },
  "Consul": {
    "consulAddress": "http://127.0.0.1:8500",
    "serviceName": "api_gRPC",
    "currentIp": "127.0.0.1",
    "currentPort": "5246"
  }
}

　　 /// <summary>
    /// Consul注冊
    /// </summary>
    public static class ConsulRegister
    {
        //服務(wù)注冊
        public static IApplicationBuilder UseConsul(this IApplicationBuilder app, IConfiguration configuration)
        {
            // 獲取主機生命周期管理接口
            var lifetime = app.ApplicationServices.GetRequiredService<IHostApplicationLifetime>();

            ConsulClient client = new ConsulClient(c =>
            {
                c.Address = new Uri(configuration["Consul:consulAddress"]);
                c.Datacenter = "dc1";
            });
            string ip = configuration["ip"]; //優(yōu)先接收變量的值
            string port = configuration["port"]; //優(yōu)先接收變量的值
            string currentIp = configuration["Consul:currentIP"];
            string currentPort = configuration["Consul:currentPort"];

            ip = string.IsNullOrEmpty(ip) ? currentIp : ip; //當(dāng)前程序的IP
            port = string.IsNullOrEmpty(port) ? currentPort : port; //當(dāng)前程序的端口
            string serviceId = $"service:{ip}:{port}";//服務(wù)ID，一個服務(wù)是唯一的
            //服務(wù)注冊
            client.Agent.ServiceRegister(new AgentServiceRegistration()
            {
                ID = serviceId, //唯一的
                Name = configuration["Consul:serviceName"], //組名稱-Group
                Address = ip, //ip地址
                Port = int.Parse(port), //端口
                Tags = new string[] { "api站點" },
                Check = new AgentServiceCheck()
                {
                    Interval = TimeSpan.FromSeconds(10),//多久檢查一次心跳
                    GRPC = $"{ip}:{port}", //gRPC注冊特有
                    GRPCUseTLS=false,//支持http
                    Timeout = TimeSpan.FromSeconds(5),//超時時間
                    DeregisterCriticalServiceAfter = TimeSpan.FromSeconds(5) //服務(wù)停止多久后注銷服務(wù)
                }

            }).Wait();
            //應(yīng)用程序終止時,注銷服務(wù)
            lifetime.ApplicationStopping.Register(() =>
            {
                client.Agent.ServiceDeregister(serviceId).Wait();
            });
            return app;
        }
    }

using GrpcDemo.Service.Services;
using GrpcDemo.Service.Utils;

var builder = WebApplication.CreateBuilder(args);

// Additional configuration is required to successfully run gRPC on macOS.
// For instructions on how to configure Kestrel and gRPC clients on macOS, visit https://go.microsoft.com/fwlink/?linkid=2099682

// Add services to the container.
builder.Services.AddGrpc();

var app = builder.Build();
IConfiguration _configuration = builder.Configuration;

// Configure the HTTP request pipeline.
app.MapGrpcService<GreeterService>();
app.MapGrpcService<OrderService>();
app.MapGrpcService<HealthCheckService>();
app.MapGet("/", () => "Communication with gRPC endpoints must be made through a gRPC client. To learn how to create a client, visit: https://go.microsoft.com/fwlink/?linkid=2086909");

app.UseConsul(_configuration);
app.Run();

syntax = "proto3";

package grpc.health.v1;

message HealthCheckRequest {
    string service = 1;
}

message HealthCheckResponse {
    enum ServingStatus {
        UNKNOWN = 0;
        SERVING = 1;
        NOT_SERVING = 2;
    }
    ServingStatus status = 1;
}

service Health {
    rpc Check(HealthCheckRequest) returns (HealthCheckResponse);

    rpc Watch(HealthCheckRequest) returns (stream HealthCheckResponse);
}

public class HealthCheckService : Health.HealthBase
    {
        public override Task<HealthCheckResponse> Check(HealthCheckRequest request, ServerCallContext context)
        {
            Console.WriteLine($"This is {nameof(HealthCheckService)} Check ");
            //TODO:檢查邏輯
            return Task.FromResult(new HealthCheckResponse() { Status = HealthCheckResponse.Types.ServingStatus.Serving });
        }

        public override async Task Watch(HealthCheckRequest request, IServerStreamWriter<HealthCheckResponse> responseStream, ServerCallContext context)
        {
            //TODO:檢查邏輯
            await responseStream.WriteAsync(new HealthCheckResponse()
            { Status = HealthCheckResponse.Types.ServingStatus.Serving });
        }
    }

using GrpcDemo.Service.Services;
using GrpcDemo.Service.Utils;

var builder = WebApplication.CreateBuilder(args);

// Additional configuration is required to successfully run gRPC on macOS.
// For instructions on how to configure Kestrel and gRPC clients on macOS, visit https://go.microsoft.com/fwlink/?linkid=2099682

// Add services to the container.
builder.Services.AddGrpc();

//配置獲取


var app = builder.Build();
IConfiguration _configuration = builder.Configuration;

// Configure the HTTP request pipeline.
app.MapGrpcService<GreeterService>();
app.MapGrpcService<OrderService>();
app.MapGrpcService<HealthCheckService>();
app.MapGet("/", () => "Communication with gRPC endpoints must be made through a gRPC client. To learn how to create a client, visit: https://go.microsoft.com/fwlink/?linkid=2086909");

app.UseConsul(_configuration);
app.Run();