iankelling.org Git - automated-distro-installer/blob - fai/config/scripts/DEBIAN/30-interface

   1 #! /bin/bash
   2
   3 # modified from upstream fai example
   4 error=0; trap 'error=$(($?>$error?$?:$error))' ERR # save maximum error code
   5
   6 if ! ifclass VM && ! ifclass STABLE; then
   7     # get persistent interface name. Note, these class conditions
   8     # will need to get modified for new oses. testing vm doesn't use
   9     # it right now, but other vms do I'm sure.
  10     for field in ID_NET_NAME_FROM_DATABASE \
  11                      ID_NET_NAME_ONBOARD \
  12                      ID_NET_NAME_SLOT \
  13                      ID_NET_NAME_PATH \
  14                      ID_NET_NAME_MAC; do
  15         name=$(udevadm info /sys/class/net/$NIC1 | sed -rn "s/^E: $field=(.+)/\1/p")
  16         if [[ $name ]]; then
  17             NIC1=$name
  18             break
  19         fi
  20     done
  21     if [[ ! $name ]]; then
  22         echo "$0: error: could not find systemd predictable network name"
  23         exit 1
  24     fi
  25 fi
  26
  27 if ifclass DHCPC && [ $FAI_ACTION = "install" -o $FAI_ACTION = "dirinstall" ]
  28 then
  29     if ifclass VM; then
  30         cat > $target/etc/network/interfaces <<-EOF
  31         # generated by FAI
  32         auto lo $NIC1
  33         iface lo inet loopback
  34         iface $NIC1 inet dhcp
  35 EOF
  36     else
  37         cat > $target/etc/network/interfaces <<-EOF
  38         # generated by FAI
  39         auto lo br0
  40         iface lo inet loopback
  41         iface $NIC1 inet manual
  42         # make a bridge by default so we can have bridged vms.
  43         # Some example I read had stp on, but i don't need stp,
  44         # and it causes a vm to fail pxe boot, presumably unless
  45         # you add some delay.
  46         # http://wiki.libvirt.org/page/PXE_boot_%28or_dhcp%29_on_guest_failed
  47         iface br0 inet dhcp
  48           bridge_ports $NIC1
  49           bridge_stp off
  50           bridge_maxwait 0
  51 EOF
  52     fi
  53 elif [ $FAI_ACTION = "install" -o $FAI_ACTION = "dirinstall" ]
  54 then
  55     [ -n "$IPADDR" ] && cat > $target/etc/network/interfaces <<-EOF
  56         # generated by FAI
  57         auto lo $NIC1
  58         iface lo inet loopback
  59         iface $NIC1 inet static
  60           address $IPADDR
  61           netmask $NETMASK
  62           broadcast $BROADCAST
  63           gateway $GATEWAYS
  64 EOF
  65     [ -n "$NETWORK" ] && echo "localnet $NETWORK" > $target/etc/networks
  66     if [ ! -L $target/etc/resolv.conf -a -e /etc/resolv.conf ]; then
  67         cp -p /etc/resolv.conf $target/etc
  68     fi
  69 fi
  70
  71 # here fcopy is mostly used, when installing a client for running in a
  72 # different subnet than during the installation
  73 fcopy -iM /etc/resolv.conf
  74 fcopy -iM /etc/network/interfaces /etc/networks
  75
  76 exit $error