119 lines
3.4 KiB
Bash
Executable File
119 lines
3.4 KiB
Bash
Executable File
#! /bin/bash
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netplan_yaml() {
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# network configuration using ubuntu's netplan.io
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local IFNAME="$1"
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local METHOD="$2"
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echo "Generating netplan configuration for $IFNAME ($METHOD)" >&2
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echo "# generated by FAI"
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echo "network:"
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echo " version: 2"
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echo " renderer: $RENDERER"
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case "$RENDERER" in
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networkd)
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echo " ethernets:"
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echo " $IFNAME:"
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case "$METHOD" in
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dhcp)
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echo " dhcp4: true"
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;;
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static)
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echo " addresses: [$CIDR]"
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echo " gateway4: $GATEWAYS_1"
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echo " nameservers:"
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echo " search: [$DOMAIN]"
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echo " addresses: [${DNSSRVS// /, }]"
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;;
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esac
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esac
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}
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iface_stanza() {
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# classic network configuration using /etc/network/interfaces
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local IFNAME="$1"
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local METHOD="$2"
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echo "Generating interface configuration for $IFNAME ($METHOD)" >&2
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echo "# generated by FAI"
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echo "auto $IFNAME"
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echo "iface $IFNAME inet $METHOD"
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case "$METHOD" in
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static)
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echo " address $IPADDR"
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echo " netmask $NETMASK"
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echo " broadcast $BROADCAST"
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echo " gateway $GATEWAYS"
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;;
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esac
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}
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newnicnames() {
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# determine predictable network names only for stretch and above
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[ $do_init_tasks -eq 0 ] && return
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[ -z "$NIC1" ] && return
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ver=$($ROOTCMD dpkg-query --showformat='${Version}' --show udev)
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if dpkg --compare-versions $ver lt 220-7; then
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return
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fi
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fields="ID_NET_NAME_FROM_DATABASE ID_NET_NAME_ONBOARD ID_NET_NAME_SLOT ID_NET_NAME_PATH"
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for field in $fields; do
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name=$(udevadm info /sys/class/net/$NIC1 | sed -rn "s/^E: $field=(.+)/\1/p")
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if [[ $name ]]; then
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NIC1=$name
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break
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fi
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done
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if [[ ! $name ]]; then
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echo "$0: error: could not find systemd predictable network name. Using $NIC1."
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fi
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}
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if [ -z "$NIC1" ]; then
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echo "WARNING: \$NIC1 is not defined. Cannot add ethernet to /etc/network/interfaces."
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fi
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CIDR=$(ip -o -f inet addr show $NIC1 | awk '{print $4}')
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newnicnames
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case "$FAI_ACTION" in
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install|dirinstall)
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ifclass DHCPC && METHOD=dhcp || METHOD=static
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ifclass XORG && RENDERER=NetworkManager || RENDERER=networkd
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if [ -d $target/etc/netplan ]; then
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# Ubuntu >= 17.10 with netplan.io
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if [ -n "$NIC1" ]; then
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netplan_yaml $NIC1 $METHOD > $target/etc/netplan/01-${NIC1}.yaml
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fi
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elif [ -d $target/etc/network/interfaces.d ]; then
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# ifupdown >= 0.7.41 (Debian >= 8, Ubuntu >= 14.04)
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iface_stanza lo loopback > $target/etc/network/interfaces.d/lo
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if [ -n "$NIC1" -a ! -f $target/etc/NetworkManager/NetworkManager.conf ]; then
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iface_stanza $NIC1 $METHOD > $target/etc/network/interfaces.d/$NIC1
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fi
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else
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(
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iface_stanza lo loopback
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iface_stanza $NIC1 $METHOD
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) > $target/etc/network/interfaces
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fi
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if ! ifclass DHCPC ; then
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[ -n "$NETWORK" ] && echo "localnet $NETWORK" > $target/etc/networks
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if [ ! -L $target/etc/resolv.conf -a -e /etc/resolv.conf ]; then
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cp -p /etc/resolv.conf $target/etc
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fi
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fi
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;;
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esac
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# here fcopy is mostly used, when installing a client for running in a
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# different subnet than during the installation
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fcopy -iM /etc/resolv.conf
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fcopy -iM /etc/network/interfaces /etc/networks
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exit $error
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