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Simplify

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This commit is contained in:
Kroese 2023-04-15 12:50:48 +02:00 committed by GitHub
parent 5cff6e63f2
commit 42ed8f6392
1 changed files with 7 additions and 17 deletions
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24
network.sh
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@ -3,6 +3,7 @@ set -eu
: ${VM_NET_TAP:=''}
: ${VM_NET_IP:='20.20.20.21'}
: ${VM_NET_HOST:='VirtualDSM'}
: ${VM_NET_MAC:='02:11:32:AA:BB:CC'}
: ${DNS_SERVERS:=''}
@ -34,14 +35,11 @@ configureNatNetworks () {
#Enable port forwarding flag
[[ $(< /proc/sys/net/ipv4/ip_forward) -eq 0 ]] && sysctl -w net.ipv4.ip_forward=1
CIDR="24"
HOSTNAME="VirtualDSM"
# dnsmasq configuration:
DNSMASQ_OPTS="$DNSMASQ_OPTS --dhcp-range=$VM_NET_IP,$VM_NET_IP --dhcp-host=$VM_NET_MAC,,$VM_NET_IP,$HOSTNAME,infinite --dhcp-option=option:netmask,255.255.255.0"
DNSMASQ_OPTS="$DNSMASQ_OPTS --dhcp-range=$VM_NET_IP,$VM_NET_IP --dhcp-host=$VM_NET_MAC,,$VM_NET_IP,$VM_NET_HOST,infinite --dhcp-option=option:netmask,255.255.255.0"
# Create lease file for faster resolve
echo "0 $VM_NET_MAC $VM_NET_IP $HOSTNAME 01:${VM_NET_MAC}" > /var/lib/misc/dnsmasq.leases
echo "0 $VM_NET_MAC $VM_NET_IP $VM_NET_HOST 01:${VM_NET_MAC}" > /var/lib/misc/dnsmasq.leases
chmod 644 /var/lib/misc/dnsmasq.leases
}
@ -76,21 +74,13 @@ for nameserver in "${nameservers[@]}"; do
fi
done
if [ -z $DNS_SERVERS ]; then
DNS_SERVERS="1.1.1.1"
else
COMMAS=${DNS_SERVERS//[^,]/}
COMMAS=${#COMMAS}
((COMMAS < 1)) && DNS_SERVERS="$DNS_SERVERS,1.1.1.1"
fi
[[ -z $DNS_SERVERS ]] && DNS_SERVERS="1.1.1.1"
[[ ${DNS_SERVERS} != *","* ]] && DNS_SERVERS="$DNS_SERVERS,1.0.0.1"
DNSMASQ_OPTS="$DNSMASQ_OPTS \
--dhcp-option=option:dns-server,$DNS_SERVERS \
--dhcp-option=option:router,${VM_NET_IP%.*}.1"
DNSMASQ_OPTS="$DNSMASQ_OPTS --dhcp-option=option:dns-server,$DNS_SERVERS --dhcp-option=option:router,${VM_NET_IP%.*}.1"
if [ -n "$searchdomains" -a "$searchdomains" != "." ]; then
DNSMASQ_OPTS="$DNSMASQ_OPTS --dhcp-option=option:domain-search,$searchdomains"
DNSMASQ_OPTS="$DNSMASQ_OPTS --dhcp-option=option:domain-name,$domainname"
DNSMASQ_OPTS="$DNSMASQ_OPTS --dhcp-option=option:domain-search,$searchdomains --dhcp-option=option:domain-name,$domainname"
else
[[ -z $(hostname -d) ]] || DNSMASQ_OPTS="$DNSMASQ_OPTS --dhcp-option=option:domain-name,$(hostname -d)"
fi