cloudflared: reload service if wan inferface has (re)connected

Sometimes the wan connection needs time to be established (e.g. cold
boot after power loss) and the service may crash as the internet is
yet available. Add a trigger to reload the service once the wan
interface is up.

Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org>
(cherry picked from commit 52037eb625)
[based upon 23.05 branch]
Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org>

net/cloudflared/Makefile

@@ -6,7 +6,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=cloudflared
 PKG_VERSION:=2024.4.1
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://codeload.github.com/cloudflare/cloudflared/tar.gz/$(PKG_VERSION)?

net/cloudflared/files/cloudflared.init

@@ -53,4 +53,5 @@ reload_service() {
 
 service_triggers() {
 	procd_add_reload_trigger "$CONF"
+	procd_add_interface_trigger "interface.*.up" "wan" /etc/init.d/cloudflared restart
 }