63 lines
1.2 KiB
Go
63 lines
1.2 KiB
Go
package main
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import (
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"encoding/json"
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"fmt"
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"io/ioutil"
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"net/http"
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"os"
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"time"
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)
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type Config struct {
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URL string `json:"url"`
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IntervalMins int `json:"interval_minutes"`
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}
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// read config.json
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func loadConfig(path string) (*Config, error) {
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file, err := ioutil.ReadFile(path)
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if err != nil {
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return nil, err
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}
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var cfg Config
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err = json.Unmarshal(file, &cfg)
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if err != nil {
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return nil, err
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}
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return &cfg, nil
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}
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func updateDDNS(url string) {
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resp, err := http.Get(url)
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if err != nil {
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fmt.Println("Error calling DDNS URL:", err)
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return
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}
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defer resp.Body.Close()
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if resp.StatusCode == http.StatusOK {
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fmt.Println(time.Now(), "DDNS updated successfully")
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} else {
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fmt.Println(time.Now(), "Failed to update DDNS, status code:", resp.StatusCode)
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}
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}
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func main() {
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cfg, err := loadConfig("config.json")
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if err != nil {
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fmt.Println("Failed to load config:", err)
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os.Exit(1)
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}
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ticker := time.NewTicker(time.Duration(cfg.IntervalMins) * time.Minute)
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defer ticker.Stop()
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// run immediately once
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updateDDNS(cfg.URL)
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for range ticker.C {
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updateDDNS(cfg.URL)
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}
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}
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