Improve v4 heartbeat script

device-config/2/bin/heartbeat

@@ -41,9 +41,6 @@ led5g(){
 
 . /etc/vpnsecret # Source the server authentication secret
 
-# Retrieve hosts file from server
-/usr/bin/wget -O/etc/hosts https://admin360.kumi.host/hosts --post-data "secret=$SECRET" --no-check-certificate >/var/log/wget 2>&1
-
 # Prepare for default VPN-WiFi bridge
 /sbin/uci set wireless.@wifi-iface[0].network="VPN360"
 /sbin/uci commit
@@ -64,7 +61,12 @@ counter=0
 
 while [ $counter -lt 60 ]
  do
-  powerled $(( counter % 2 )) # Make power LED flash
+   # Retrieve hosts file from server
+   if /usr/bin/wget -O/etc/hosts https://admin360.kumi.host/hosts --post-data "secret=$SECRET" --no-check-certificate >/var/log/wget 2>&1
+    then
+
+     if pgrep "openvpn" >/dev/null
+      then
        if [ $(ipaddr) ] # = If connection to the server is working
         then
          # Turn on LEDs indicating boot completion and connection success
@@ -88,6 +90,12 @@ while [ $counter -lt 60 ]
              /usr/bin/wget -O- https://admin360.kumi.host/heartbeat --post-data "secret=$SECRET&ip=$(ipaddr)" --no-check-certificate 2>/var/log/wget | /bin/ash
            fi
           done
+
+       fi
+      else
+       # Launch VPN client if not running
+       /usr/sbin/openvpn /etc/openvpn/client.conf >/var/log/openvpn &
+     fi
    fi
    counter=$(( counter  + 1 ))
    /bin/sleep 1 # Wait for a second before re-trying