-error=0; trap 'error=$(($?>$error?$?:$error))' ERR # save maximum error code
-
-if ifclass DHCPC && [ $FAI_ACTION = "install" ]
-then
- cat > $target/etc/network/interfaces <<-EOF
- # generated by FAI
- auto lo $NIC1
- iface lo inet loopback
- iface $NIC1 inet dhcp
-EOF
-elif [ $FAI_ACTION = "install" ]
-then
- [ -n "$IPADDR" ] && cat > $target/etc/network/interfaces <<-EOF
- # generated by FAI
- auto lo $NIC1
- iface lo inet loopback
- iface $NIC1 inet static
- address $IPADDR
- netmask $NETMASK
- broadcast $BROADCAST
- gateway $GATEWAYS
-EOF
- [ -n "$NETWORK" ] && echo "localnet $NETWORK" > $target/etc/networks
- if [ ! -L $target/etc/resolv.conf -a -e /etc/resolv.conf ]; then
- cp -p /etc/resolv.conf $target/etc
+netplan_yaml() {
+ # network configuration using ubuntu's netplan.io
+ local IFNAME="$1"
+ local METHOD="$2"
+ echo "Generating netplan configuration for $IFNAME ($METHOD)" >&2
+ echo "# generated by FAI"
+ echo "network:"
+ echo " version: 2"
+ echo " renderer: $RENDERER"
+ case "$RENDERER" in
+ networkd)
+ echo " ethernets:"
+ echo " $IFNAME:"
+ case "$METHOD" in
+ dhcp)
+ echo " dhcp4: true"
+ ;;
+ static)
+ echo " addresses: [$CIDR]"
+ echo " gateway4: $GATEWAYS_1"
+ echo " nameservers:"
+ echo " search: [$DOMAIN]"
+ echo " addresses: [${DNSSRVS// /, }]"
+ ;;
+ esac
+ esac
+}
+
+iface_stanza() {
+ # classic network configuration using /etc/network/interfaces
+ local IFNAME="$1"
+ local METHOD="$2"
+ echo "Generating interface configuration for $IFNAME ($METHOD)" >&2
+ echo "# generated by FAI"
+ echo "auto $IFNAME"
+ echo "iface $IFNAME inet $METHOD"
+ case "$METHOD" in
+ static)
+ echo " address $IPADDR"
+ echo " netmask $NETMASK"
+ echo " broadcast $BROADCAST"
+ echo " gateway $GATEWAYS"
+ ;;
+ esac
+}
+
+newnicnames() {
+
+ # determine predictable network names only for stretch and above
+
+ [ $do_init_tasks -eq 0 ] && return
+ [ -z "$NIC1" ] && return
+ ver=$($ROOTCMD dpkg-query --showformat='${Version}' --show udev)
+ if dpkg --compare-versions $ver lt 220-7; then
+ return
+ fi
+
+
+ fields="ID_NET_NAME_FROM_DATABASE ID_NET_NAME_ONBOARD ID_NET_NAME_SLOT ID_NET_NAME_PATH"
+ for field in $fields; do
+ name=$(udevadm info /sys/class/net/$NIC1 | sed -rn "s/^E: $field=(.+)/\1/p")
+ if [[ $name ]]; then
+ NIC1=$name
+ break
+ fi
+ done
+ if [[ ! $name ]]; then
+ echo "$0: error: could not find systemd predictable network name. Using $NIC1."