Initial commit

main.go

@@ -0,0 +1,54 @@
+package main
+
+import (
+	"io/ioutil"
+	"log"
+	"net/http"
+	"os"
+
+	"github.com/davidlick/digitalocean-ddns/digitalocean"
+)
+
+var (
+	client = &http.Client{}
+)
+
+func main() {
+	token := os.Getenv("DIGITALOCEAN_TOKEN")
+	doBaseUrl := os.Getenv("DIGITALOCEAN_URL")
+	doDomain := os.Getenv("DIGITALOCEAN_DOMAIN")
+
+	client := digitalocean.NewClient(doBaseUrl, token, doDomain)
+
+	ip, err := getPublicIP()
+	if err != nil {
+		log.Fatalf("failed to get public ip: %v", err)
+	}
+
+	id, err := client.GetARecordID()
+	if err != nil {
+		log.Fatalf("failed to get A record ID: %v", err)
+	}
+
+	err = client.SetARecord(id, ip)
+	if err != nil {
+		log.Fatalf("failed to set A record ip: %v", err)
+	}
+
+	log.Printf("successfully set DNS A record id %s to %s", id, ip)
+}
+
+func getPublicIP() (string, error) {
+	resp, err := http.Get("https://icanhazip.com")
+	if err != nil {
+		return "", err
+	}
+	defer resp.Body.Close()
+
+	body, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return "", err
+	}
+
+	return string(body), nil
+}