Gets public IP every hour

cmd/gluetun/main.go

@@ -223,6 +223,7 @@ func _main(background context.Context, args []string) int {
 
 	publicIPLooper := publicip.NewLooper(client, logger, fileManager, allSettings.System.IPStatusFilepath, uid, gid)
 	go publicIPLooper.Run(ctx, restartPublicIP)
+	go publicIPLooper.RunRestartTicker(ctx, restartPublicIP)
 
 	go func() {
 		first := true

internal/publicip/loop.go

@@ -12,6 +12,7 @@ import (
 
 type Looper interface {
 	Run(ctx context.Context, restart <-chan struct{})
+	RunRestartTicker(ctx context.Context, restart chan<- struct{})
 }
 
 type looper struct {
@@ -71,3 +72,16 @@ func (l *looper) Run(ctx context.Context, restart <-chan struct{}) {
 		}
 	}
 }
+
+func (l *looper) RunRestartTicker(ctx context.Context, restart chan<- struct{}) {
+	ticker := time.NewTicker(time.Hour)
+	for {
+		select {
+		case <-ctx.Done():
+			ticker.Stop()
+			return
+		case <-ticker.C:
+			restart <- struct{}{}
+		}
+	}
+}