fff-wireguard: Add nodewatcher Script

With this script the monitoring have the correct information that the router is
connectet with wireguard or not.

Signed-off-by: Christian Dresel <freifunk@dresel.systems>

src/packages/fff/fff-fastd/files/usr/lib/nodewatcher.d/15-fastd.sh

@@ -0,0 +1,8 @@
+#!/bin/sh
+# Netmon Nodewatcher (C) 2010-2012 Freifunk Oldenburg
+# License; GPL v3
+
+# Checks if fastd is running
+vpn_active=0
+pidof fastd >/dev/null && vpn_active=1
+SYSTEM_DATA="$SYSTEM_DATA<vpn_active>$vpn_active</vpn_active>"

src/packages/fff/fff-nodewatcher/files/usr/lib/nodewatcher.d/10-systemdata.sh

@@ -107,11 +107,6 @@ if [ -s "$SCRIPT_STATUS_FILE" ]; then
 	SYSTEM_DATA="$SYSTEM_DATA<status_text>$(cat "$SCRIPT_STATUS_FILE")</status_text>"
 fi
 
-# Checks if fastd is running
-vpn_active=0
-pidof fastd >/dev/null && vpn_active=1
-SYSTEM_DATA="$SYSTEM_DATA<vpn_active>$vpn_active</vpn_active>"
-
 echo -n "<system_data>$SYSTEM_DATA</system_data>"
 
 exit 0

src/packages/fff/fff-wireguard/files/usr/lib/nodewatcher.d/15-wireguard.sh

@@ -0,0 +1,8 @@
+#!/bin/sh
+# Netmon Nodewatcher (C) 2010-2012 Freifunk Oldenburg
+# License; GPL v3
+
+# Checks if wireguard has peers
+vpn_active=0
+wg | grep hands >/dev/null && vpn_active=1
+SYSTEM_DATA="$SYSTEM_DATA<vpn_active>$vpn_active</vpn_active>"