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main.go
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main.go
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package main
import (
"context"
"flag"
"fmt"
"github.com/google/uuid"
"github.com/yunfeiyang1916/micro-go-course/register-kit/discovery"
"github.com/yunfeiyang1916/micro-go-course/register-kit/endpoint"
"github.com/yunfeiyang1916/micro-go-course/register-kit/service"
"github.com/yunfeiyang1916/micro-go-course/register-kit/transport"
"log"
"net/http"
"os"
"os/signal"
"strconv"
"syscall"
)
func main() {
consulAddr := flag.String("consul.addr", "localhost", "consul address")
consulPort := flag.Int("consul.port", 8500, "consul port")
serviceName := flag.String("service.name", "register", "service name")
serviceAddr := flag.String("service.addr", "localhost", "service addr")
servicePort := flag.Int("service.port", 12312, "service port")
flag.Parse()
instanceId := *serviceName + "-" + uuid.New().String()
client, err := discovery.NewDiscoveryClient(*consulAddr, *consulPort, discovery.NewAgentServiceRegistration(
*serviceName, instanceId, "/health", *serviceAddr, *servicePort, nil))
if err != nil {
log.Printf("register service err : %s", err)
os.Exit(-1)
}
errChan := make(chan error)
srv := service.NewRegisterServiceImpl(client)
endpoints := endpoint.RegisterEndpoints{
DiscoveryEndpoint: endpoint.MakeDiscoveryEndpoint(srv),
HealthCheckEndpoint: endpoint.MakeHealthCheckEndpoint(srv),
}
handler := transport.MakeHttpHandler(context.Background(), &endpoints)
go func() {
errChan <- http.ListenAndServe(":"+strconv.Itoa(*servicePort), handler)
}()
go func() {
// 监控系统信号,等待 ctrl + c 系统信号通知服务关闭
c := make(chan os.Signal, 1)
signal.Notify(c, syscall.SIGINT, syscall.SIGTERM)
errChan <- fmt.Errorf("%s", <-c)
}()
client.Register(context.Background())
err = <-errChan
log.Printf("listen err : %s", err)
client.Deregister(context.Background())
}
func init() {
file := "./" + "register.log"
logFile, err := os.OpenFile(file, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0766)
if err != nil {
panic(err)
}
log.SetOutput(logFile) // 将文件设置为log输出的文件
log.SetFlags(log.Ldate | log.Lshortfile)
}