#! /bin/bash
+# modified from upstream fai example
error=0; trap 'error=$(($?>$error?$?:$error))' ERR # save maximum error code
+if ! ifclass STABLE; then
+ if ifclass VM; then
+ # For a vm, we only get ID_NET_NAME_MAC from below,
+ # but when it reboots, it uses ID_NET_NAME_SLOT.
+ NIC1=ens3
+ else
+ # get persistent interface name. Note, these class conditions
+ # will need to get modified for new oses. testing vm doesn't use
+ # it right now, but other vms do I'm sure.
+ for field in ID_NET_NAME_FROM_DATABASE \
+ ID_NET_NAME_ONBOARD \
+ ID_NET_NAME_SLOT \
+ ID_NET_NAME_PATH \
+ ID_NET_NAME_MAC; do
+ name=$(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"
+ exit 1
+ fi
+ fi
+fi
+
if ifclass DHCPC && [ $FAI_ACTION = "install" -o $FAI_ACTION = "dirinstall" ]
then
- cat > $target/etc/network/interfaces <<-EOF
- # generated by FAI
- auto lo $NIC1
- iface lo inet loopback
- iface $NIC1 inet dhcp
+ if ifclass VM; then
+ cat > $target/etc/network/interfaces <<-EOF
+ # generated by FAI
+ auto lo $NIC1
+ iface lo inet loopback
+ iface $NIC1 inet dhcp
EOF
+ else
+ cat > $target/etc/network/interfaces <<-EOF
+ # generated by FAI
+ auto lo br0
+ iface lo inet loopback
+ iface $NIC1 inet manual
+ # make a bridge by default so we can have bridged vms.
+ # Some example I read had stp on, but i don't need stp,
+ # and it causes a vm to fail pxe boot, presumably unless
+ # you add some delay.
+ # http://wiki.libvirt.org/page/PXE_boot_%28or_dhcp%29_on_guest_failed
+ iface br0 inet dhcp
+ bridge_ports $NIC1
+ bridge_stp off
+ bridge_maxwait 0
+EOF
+ fi
elif [ $FAI_ACTION = "install" -o $FAI_ACTION = "dirinstall" ]
then
- [ -n "$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 $GATEWAYS
+ [ -n "$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