fix: DNS resolution

This commit is contained in:
Kroese 2023-12-03 08:33:52 +01:00 committed by GitHub
parent c3c4d966b4
commit 95b2b83ac6

View File

@ -90,12 +90,12 @@ configureDNS () {
for nameserver in "${nameservers[@]}"; do
nameserver=$(echo "$nameserver" | sed 's/#.*//' )
if ! [[ "$nameserver" =~ .*:.* ]]; then
[[ "$nameserver" =~ .*:.* ]] && continue
[[ "$nameserver" == "127.0"* ]] && nameserver=$GATEWAY
[[ -z "$DNS_SERVERS" ]] && DNS_SERVERS="$nameserver" || DNS_SERVERS="$DNS_SERVERS,$nameserver"
fi
done
[[ -z "$DNS_SERVERS" ]] && DNS_SERVERS="1.1.1.1"
[[ -z "$DNS_SERVERS" ]] && DNS_SERVERS=$GATEWAY
DNSMASQ_OPTS="$DNSMASQ_OPTS --dhcp-option=option:dns-server,$DNS_SERVERS --dhcp-option=option:router,${VM_NET_IP%.*}.1"
@ -147,8 +147,6 @@ configureNAT () {
ip link set dev "${VM_NET_TAP}" master dockerbridge
# Add internet connection to the VM
IP=$(ip address show dev "${VM_NET_DEV}" | grep inet | awk '/inet / { print $2 }' | cut -f1 -d/)
iptables -t nat -A POSTROUTING -o "${VM_NET_DEV}" -j MASQUERADE
iptables -t nat -A PREROUTING -i "${VM_NET_DEV}" -d "${IP}" -p tcp -j DNAT --to $VM_NET_IP
iptables -t nat -A PREROUTING -i "${VM_NET_DEV}" -d "${IP}" -p udp -j DNAT --to $VM_NET_IP
@ -223,12 +221,10 @@ update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy > /dev/null
VM_NET_MAC="${VM_NET_MAC//-/:}"
GATEWAY=$(ip r | grep default | awk '{print $3}')
IP=$(ip address show dev "${VM_NET_DEV}" | grep inet | awk '/inet / { print $2 }' | cut -f1 -d/)
if [[ "${DEBUG}" == [Yy1]* ]]; then
IP=$(ip address show dev "${VM_NET_DEV}" | grep inet | awk '/inet / { print $2 }' | cut -f1 -d/)
info "Container IP is ${IP} with gateway ${GATEWAY}" && echo
fi
if [[ "${DHCP}" == [Yy1]* ]]; then