From 547c0967d35c0b215472cb23209a8beec74bd41f Mon Sep 17 00:00:00 2001
From: hll <hll>
Date: Sat, 10 Oct 2020 22:00:49 +0300
Subject: [PATCH] Make WAN Optional (omit/blank to disable)

---
 run.sh | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/run.sh b/run.sh
index 38938d8..de1ba8d 100755
--- a/run.sh
+++ b/run.sh
@@ -88,9 +88,11 @@ function _init_network() {
 		--subnet $LAN_SUBNET \
 		$LAN_NAME || exit 1
 
-	docker network create --driver macvlan \
-		-o parent=$WAN_PARENT \
-		$WAN_NAME || exit 1
+	if [ ! -z "$WAN_PARENT" ]; then
+		docker network create --driver macvlan \
+			-o parent=$WAN_PARENT \
+			$WAN_NAME || exit 1
+	fi
 }
 
 function _set_hairpin() {
@@ -129,7 +131,9 @@ function _create_or_start_container() {
 			--sysctl net.ipv6.conf.all.disable_ipv6=0 \
 			--sysctl net.ipv6.conf.all.forwarding=1 \
 			--name $CONTAINER $IMAGE_TAG >/dev/null
-		docker network connect $WAN_NAME $CONTAINER
+		if [ ! -z "$WAN_PARENT" ]; then
+			docker network connect $WAN_NAME $CONTAINER
+		fi
 
 		_gen_config
 		docker start $CONTAINER