go使用consul-api註冊服務、註銷服務

go使用consul-api註冊服務、註銷服務

標籤（空格分隔）： go,consul

安裝包

go get github.com/hashicorp/consul/api

註冊、註銷服務

package initialize

import (
	"fmt"
	"github.com/hashicorp/consul/api"
	uuid "github.com/satori/go.uuid"
	"go.uber.org/zap"
	"os"
	"os/signal"
	"shop/user_service/global"
	"syscall"
)

func ConsulRegister() error {
	config := api.DefaultConfig()
	config.Address = fmt.Sprintf("%s:%d", global.ServerConfig.ConsulConfig.Host, global.ServerConfig.ConsulConfig.Port)
	client, err := api.NewClient(config)
	if err != nil {
		return err
	}
	reg := new(api.AgentServiceRegistration)
	reg.Name = global.ServerConfig.Name
	//reg.ID = global.ServerConfig.Name
	serviceId := fmt.Sprintf("%s", uuid.NewV4())
	reg.ID = serviceId
	reg.Address = global.ServerConfig.Host
	reg.Port = global.ServerConfig.Port
	reg.Tags = []string{"user", "service", "grpc"}
	// 健康檢查
	reg.Check = &api.AgentServiceCheck{
		GRPC:                           fmt.Sprintf("%s:%d", global.ServerConfig.Host, global.ServerConfig.Port),
		GRPCUseTLS:                     false,
		Timeout:                        "5s",
		Interval:                       "5s",
		DeregisterCriticalServiceAfter: "10s",
	}
	go func() {
		quit := make(chan os.Signal)
		signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
		<-quit
		if err := client.Agent().ServiceDeregister(serviceId); err != nil {
			zap.S().Infof("註銷user-service[%s] error", serviceId)
			os.Exit(1)
		}
		zap.S().Infof("註銷user-service[%s] success", serviceId)
		os.Exit(0)
	}()
	return client.Agent().ServiceRegister(reg)
}