From ad73a027f338658496e9d6007a69edd6e3ad6de7 Mon Sep 17 00:00:00 2001
From: Quentin McGaw <quentin.mcgaw@gmail.com>
Date: Wed, 8 Jul 2020 22:47:12 +0000
Subject: [PATCH] Gets public IP every hour

---
 cmd/gluetun/main.go       |  1 +
 internal/publicip/loop.go | 14 ++++++++++++++
 2 files changed, 15 insertions(+)

diff --git a/cmd/gluetun/main.go b/cmd/gluetun/main.go
index 39bcf938..25370239 100644
--- a/cmd/gluetun/main.go
+++ b/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
diff --git a/internal/publicip/loop.go b/internal/publicip/loop.go
index 46e76dfc..cecb1031 100644
--- a/internal/publicip/loop.go
+++ b/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{}{}
+		}
+	}
+}