From 160e5a07beea8cd556c40c8bedda446cf6407828 Mon Sep 17 00:00:00 2001
From: Kroese <kroese@users.noreply.github.com>
Date: Tue, 4 Jul 2023 18:20:03 +0200
Subject: [PATCH] feat: Close network on shutdown

---
 run/network.sh | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/run/network.sh b/run/network.sh
index 9ff37b7..2287cc2 100644
--- a/run/network.sh
+++ b/run/network.sh
@@ -140,7 +140,13 @@ configureNAT () {
 
   # QEMU Works with taps, set tap to the bridge created
   ip tuntap add dev "${VM_NET_TAP}" mode tap
-  ip link set "${VM_NET_TAP}" up promisc on
+
+  while [ ! ip link set "${VM_NET_TAP}" up promisc on ]
+  do
+    info "Waiting for tap to become available..."
+    sleep 2
+  done
+
   ip link set dev "${VM_NET_TAP}" master dockerbridge
 
   # Add internet connection to the VM
@@ -174,6 +180,19 @@ configureNAT () {
   return 0
 }
 
+closeNetwork () {
+
+  ip link set "${VM_NET_TAP}" down
+  ip link delete "${VM_NET_TAP}"
+    
+  if [[ "${DHCP}" != [Yy1]* ]]; then
+
+    ip link set dockerbridge down
+    ip link delete dockerbridge
+
+  fi
+}
+
 # ######################################
 #  Configure Network
 # ######################################