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Multiline errors
This commit is contained in:
Kroese 2023-05-11 02:20:10 +02:00 committed by GitHub
commit 6c83d531ac
1 changed files with 19 additions and 21 deletions
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38
run/network.sh
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@ -28,11 +28,13 @@ configureDHCP() {
IP=$(ip address show dev "${VM_NET_DEV}" | grep inet | awk '/inet / { print $2 }' | cut -f1 -d/)
[[ "${DEBUG}" == [Yy1]* ]] && set -x
# Create a macvlan network to allow for communication between the host and the VM guest
{ ip link add link "${VM_NET_DEV}" "${VM_NET_VLAN}" type macvlan mode bridge ; rc=$?; } || :
if (( rc != 0 )); then
echo -n "ERROR: Cannot create macvlan interface. Please make sure the network type is 'macvlan' and not 'ipvlan'."
echo " And that the NET_ADMIN capability has been added to the container config: --cap-add NET_ADMIN" && exit 15
echo "ERROR: Cannot create macvlan interface. Please make sure the network type is 'macvlan' and not 'ipvlan',"
echo "ERROR: and that the NET_ADMIN capability has been added to the container config: --cap-add NET_ADMIN" && exit 15
fi
ip address add "${IP}" dev "${VM_NET_VLAN}"
@ -44,18 +46,16 @@ configureDHCP() {
ip route add "${NETWORK}" dev "${VM_NET_VLAN}" metric 0
ip route add default via "${GATEWAY}"
# Create a macvtap network for the VM guest
{ ip link add link "${VM_NET_DEV}" name "${VM_NET_TAP}" address "${VM_NET_MAC}" type macvtap mode bridge ; rc=$?; } || :
if (( rc != 0 )); then
echo -n "ERROR: Capability NET_ADMIN has not been set most likely. Please add the "
echo "following docker setting to your container: --cap-add NET_ADMIN" && exit 16
echo "ERROR: Capability NET_ADMIN has not been set most likely. Please add the "
echo "ERROR: following docker setting to your container: --cap-add NET_ADMIN" && exit 16
fi
ip link set "${VM_NET_TAP}" up
ip address flush "${VM_NET_DEV}"
ip address flush "${VM_NET_TAP}"
{ set +x; } 2>/dev/null
TAP_NR=$(</sys/class/net/"${VM_NET_TAP}"/ifindex)
@ -78,15 +78,15 @@ configureDHCP() {
{ exec 30>>"$TAP_PATH"; rc=$?; } || :
if (( rc != 0 )); then
echo -n "ERROR: Cannot create TAP interface ($rc). Please add the following docker settings to your "
echo "container: --device-cgroup-rule='c ${MAJOR}:* rwm' --device=/dev/vhost-net" && exit 21
echo "ERROR: Cannot create TAP interface ($rc). Please add the following docker settings to your "
echo "ERROR: container: --device-cgroup-rule='c ${MAJOR}:* rwm' --device=/dev/vhost-net" && exit 21
fi
{ exec 40>>/dev/vhost-net; rc=$?; } || :
if (( rc != 0 )); then
echo -n "ERROR: VHOST can not be found ($rc). Please add the following "
echo "docker setting to your container: --device=/dev/vhost-net" && exit 22
echo "ERROR: VHOST can not be found ($rc). Please add the following "
echo "ERROR: docker setting to your container: --device=/dev/vhost-net" && exit 22
fi
NET_OPTS="-netdev tap,id=hostnet0,vhost=on,vhostfd=40,fd=30"
@ -97,24 +97,23 @@ configureNAT () {
VM_NET_IP='20.20.20.21'
[[ "${DEBUG}" == [Yy1]* ]] && set -x
#Create bridge with static IP for the VM guest
# Create bridge with static IP for the VM guest
{ ip link add dev dockerbridge type bridge ; rc=$?; } || :
if (( rc != 0 )); then
echo -n "ERROR: Capability NET_ADMIN has not been set most likely. Please add the "
echo "following docker setting to your container: --cap-add NET_ADMIN" && exit 23
echo "ERROR: Capability NET_ADMIN has not been set most likely. Please add the "
echo "ERROR: following docker setting to your container: --cap-add NET_ADMIN" && exit 23
fi
ip address add ${VM_NET_IP%.*}.1/24 broadcast ${VM_NET_IP%.*}.255 dev dockerbridge
ip link set dockerbridge up
#QEMU Works with taps, set tap to the bridge created
# QEMU Works with taps, set tap to the bridge created
ip tuntap add dev "${VM_NET_TAP}" mode tap
ip link set "${VM_NET_TAP}" up promisc on
ip link set dev "${VM_NET_TAP}" master dockerbridge
#Add internet connection to the VM
# Add internet connection to the VM
iptables -t nat -A POSTROUTING -o "${VM_NET_DEV}" -j MASQUERADE
iptables -t nat -A PREROUTING -i "${VM_NET_DEV}" -p tcp -j DNAT --to $VM_NET_IP
iptables -t nat -A PREROUTING -i "${VM_NET_DEV}" -p udp -j DNAT --to $VM_NET_IP
@ -127,12 +126,11 @@ configureNAT () {
{ set +x; } 2>/dev/null
[[ "${DEBUG}" == [Yy1]* ]] && echo
#Check port forwarding flag
# Check port forwarding flag
if [[ $(< /proc/sys/net/ipv4/ip_forward) -eq 0 ]]; then
{ sysctl -w net.ipv4.ip_forward=1 ; rc=$?; } || :
if (( rc != 0 )); then
echo -n "ERROR: IP forwarding is disabled ($rc). Please add the following "
echo "docker setting to your container: --sysctl net.ipv4.ip_forward=1" && exit 24
echo "ERROR: Please add the following docker setting to your container: --sysctl net.ipv4.ip_forward=1" && exit 24
fi
fi