Create get-wanip.sh

get-wanip.sh

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+
+wanip="$(dig +short myip.opendns.com @resolver1.opendns.com)" >/dev/null 2>&1
+if [ "${wanip}" == "" ]; then
+	wanip="$(host myip.opendns.com resolver1.opendns.com)" >/dev/null 2>&1
+	if [ "${wanip}" == "" ]; then
+		wanip="$(curl https://ipinfo.io/ip)" >/dev/null 2>&1
+		if [ "${wanip}" == "" ]; then
+			wanip="$(wget -qO- https://ipecho.net/plain ; echo)" >/dev/null 2>&1
+		else
+			echo "WAN IP could not be found"
+			exit 1
+		fi
+	fi
+fi
+
+echo "WAN IP: ${wanip}"
+
+exit 0