remove lock, change run one time

config.default.yml

@@ -1,4 +1,3 @@
-interface: eth0
 domains:
   - name: domain.name
     subdomain:

main.go

@@ -5,10 +5,8 @@ import (
 	"fmt"
 	"io/ioutil"
 	"log"
-	"net"
 	"net/http"
 	"regexp"
-	"time"
 
 	"git.trj.tw/golang/go-aws-dns/modules"
 
@@ -44,31 +42,12 @@ func main() {
 	config = setting.LoadConfig(confpath)
 	fmt.Println(config)
 
-	// wait nic
-	for {
-		nics, err := net.Interfaces()
-		if err != nil {
-			log.Fatal(err)
-		}
-		nicFlag := false
-		for _, v := range nics {
-			if v.Name == config.NIC {
-				nicFlag = true
-			}
-		}
-		if nicFlag == true {
-			break
-		}
-		time.Sleep(time.Second * 5)
-	}
-
 	ip = getMyIP()
 	if ok, err := checkIP(ip); err != nil || !ok {
 		println("ip check fail")
 		checkErr(err)
 	}
 	println(ip)
-	mainLoc := make(chan bool)
 
 	var tmp []string
 	for _, it := range config.Domains {
@@ -100,18 +79,10 @@ func main() {
 
 	fmt.Println(domains[0])
 
-	go func() {
-		for {
-			println("run loop")
-			for _, it := range domains {
-				it.updateRecord()
-			}
+	for _, it := range domains {
+		it.updateRecord()
+	}
 
-			time.Sleep(time.Minute * 5)
-		}
-	}()
-
-	<-mainLoc
 }
 
 func newR53() {

modules/setting.go

@@ -11,7 +11,6 @@ import (
 )
 
 type Config struct {
-	NIC     string `yaml:"interface"`
 	Domains []struct {
 		Name string   `yaml:"name"`
 		Sub  []string `yaml:"subdomain,flow"`