From 03d333e29991c4608f1b7c0b453cc132e073a9a2 Mon Sep 17 00:00:00 2001
From: Kroese <kroese@users.noreply.github.com>
Date: Wed, 5 Jul 2023 13:04:17 +0200
Subject: [PATCH] fix: Delete network on shutdown

---
 run/network.sh | 36 +++++++++++++++++++++++++++++++++---
 1 file changed, 33 insertions(+), 3 deletions(-)

diff --git a/run/network.sh b/run/network.sh
index aa11881..e0ffaae 100644
--- a/run/network.sh
+++ b/run/network.sh
@@ -31,7 +31,10 @@ configureDHCP() {
     error "and that the NET_ADMIN capability has been added to the container config: --cap-add NET_ADMIN" && exit 16
   fi
 
-  ip link set "${VM_NET_TAP}" up
+  while ! ip link set "${VM_NET_TAP}" up; do
+    info "Waiting for address to become available..."
+    sleep 2
+  done
 
   TAP_NR=$(</sys/class/net/"${VM_NET_TAP}"/ifindex)
   TAP_PATH="/dev/tap${TAP_NR}"
@@ -127,11 +130,20 @@ configureNAT () {
   fi
 
   ip address add ${VM_NET_IP%.*}.1/24 broadcast ${VM_NET_IP%.*}.255 dev dockerbridge
-  ip link set dockerbridge up
+
+  while ! ip link set dockerbridge up; do
+    info "Waiting for address to become available..."
+    sleep 2
+  done
 
   # 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
@@ -165,6 +177,24 @@ configureNAT () {
   return 0
 }
 
+closeNetwork () {
+
+  if [[ "${DHCP}" == [Yy1]* ]]; then
+
+    ip link set "${VM_NET_TAP}" down || true
+    ip link delete "${VM_NET_TAP}" || true
+
+  else
+
+    ip link set "${VM_NET_TAP}" down promisc off || true
+    ip link delete "${VM_NET_TAP}" || true
+
+    ip link set dockerbridge down || true
+    ip link delete dockerbridge || true
+
+  fi
+}
+
 # ######################################
 #  Configure Network
 # ######################################