#! /bin/bash
+# modified from upstream fai example
+error=0; trap 'error=$(($?>$error?$?:$error))' ERR # save maximum error code
+
netplan_yaml() {
# network configuration using ubuntu's netplan.io
local IFNAME="$1"
break
fi
done
+ # This condition is only needed because the nfsroot I use
+ # is based on Jessie, which has an old udev which can't
+ # figure out the persistent interface name used in stretch.
+ if ifclass VM; then NIC1=ens3; return; fi
if [[ ! $name ]]; then
echo "$0: error: could not find systemd predictable network name. Using $NIC1."
fi
fi
elif [ -d $target/etc/network/interfaces.d ]; then
# ifupdown >= 0.7.41 (Debian >= 8, Ubuntu >= 14.04)
- iface_stanza lo loopback > $target/etc/network/interfaces.d/lo
- if [ -n "$NIC1" -a ! -f $target/etc/NetworkManager/NetworkManager.conf ]; then
- iface_stanza $NIC1 $METHOD > $target/etc/network/interfaces.d/$NIC1
- fi
+ if ifclass VM; then
+ # note, this condition would apply to the elif below too,
+ # but I don't specify a static ip in fai, so not bothering
+ 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
else
- (
- iface_stanza lo loopback
- iface_stanza $NIC1 $METHOD
- ) > $target/etc/network/interfaces
+ (
+ iface_stanza lo loopback
+ iface_stanza $NIC1 $METHOD
+ ) > $target/etc/network/interfaces
fi
if ! ifclass DHCPC ; then