#! /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"
+ 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 $ver lt 220-7; then
return
fi
- [ -z "$NIC1" ] && return
fields="ID_NET_NAME_FROM_DATABASE ID_NET_NAME_ONBOARD ID_NET_NAME_SLOT ID_NET_NAME_PATH"
for field in $fields; do
}
if [ -z "$NIC1" ]; then
- echo "ERROR: \$NIC1 is not defined. Cannot configure /etc/network/interfaces properly."
+ echo "WARNING: \$NIC1 is not defined. Cannot add ethernet to /etc/network/interfaces."
fi
-newnicnames
CIDR=$(ip -o -f inet addr show $NIC1 | awk '{print $4}')
-if ifclass DHCPC && [ $FAI_ACTION = "install" -o $FAI_ACTION = "dirinstall" ]; then
+newnicnames
+
+case "$FAI_ACTION" in
+ install|dirinstall)
+ ifclass DHCPC && METHOD=dhcp || METHOD=static
+ ifclass XORG && RENDERER=NetworkManager || RENDERER=networkd
+
+ if [ -d $target/etc/netplan ]; then
+ # Ubuntu >= 17.10 with netplan.io
+ if [ -n "$NIC1" ]; then
+ netplan_yaml $NIC1 $METHOD > $target/etc/netplan/01-${NIC1}.yaml
+ fi
+ elif [ -d $target/etc/network/interfaces.d ]; then
+ # ifupdown >= 0.7.41 (Debian >= 8, Ubuntu >= 14.04)
- cat > $target/etc/network/interfaces <<-EOF
- # generated by FAI
- auto lo $NIC1
- iface lo inet loopback
- iface $NIC1 inet dhcp
+ if ifclass VM || ifclass LINODE; 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
+iface $NIC1 inet6 auto
EOF
-elif [ $FAI_ACTION = "install" -o $FAI_ACTION = "dirinstall" ]; then
- [ -n "$CIDR" ] && cat > $target/etc/network/interfaces <<-EOF
- # generated by FAI
- auto lo $NIC1
- iface lo inet loopback
- iface $NIC1 inet static
- address $CIDR
- gateway $GATEWAYS
+
+ elif ifclass LINODE
+ # NIC1 is wrong, probably because the installer distro
+ # is stretch and the installed one is buster.
+ # todo: after upgrading installer to buster,
+ # try removing this condition
+ cat > $target/etc/network/interfaces <<EOF
+# generated by FAI
+auto lo $linode_if
+iface lo inet loopback
+iface $linode_if inet dhcp
+iface $linode_if inet6 auto
+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
+
+ if ifclass LINODE; then
+ mkdir -p $target/etc/initramfs-tools/conf.d
+ cat >$target/etc/initramfs-tools/conf.d/mine <<EOF
+# dhcp in initramfs doesn't work on linode. i dunno why, whatever.
+# man 5 initramfs.conf
+# /usr/share/doc/klibc-utils/README.ipconfig.gz
+# /usr/share/initramfs-tools/scripts/functions
+IP=$linode_ip::$linode_gw:255.255.255.0::$linode_if:off
EOF
- [ -n "$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
+ fi
+
+ else
+ (
+ iface_stanza lo loopback
+ iface_stanza $NIC1 $METHOD
+ ) > $target/etc/network/interfaces
fi
-fi
+
+ if ! ifclass DHCPC ; then
+ [ -n "$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
+ fi
+ fi
+ ;;
+
+esac
# here fcopy is mostly used, when installing a client for running in a
# different subnet than during the installation
iankelling.org / git / automated-distro-installer / blobdiff