#!/bin/bash
# Check if WireGuard tunnel is up, restart if down

PING=/bin/ping
SERVICE=/usr/bin/systemctl
tries=0

while [[ $tries -lt 3 ]]
do
    if $PING -c 1 10.10.10.1 &> /dev/null
    then
        exit 0
    fi
    tries=$((tries+1))
    sleep 2
done

# Failed 3 times, restart
$SERVICE restart wg-quick@wg0