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#!/bin/sh
# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
# ex: ts=8 sw=4 sts=4 et filetype=sh
# NFS root might have reached here before /tmp/net.ifaces was written
udevadm settle --timeout=30
if [ -e /tmp/bridge.info ]; then
. /tmp/bridge.info
fi
if [ -e /tmp/vlan.info ]; then
. /tmp/vlan.info
fi
mkdir -m 0755 -p /tmp/ifcfg/
mkdir -m 0755 -p /tmp/ifcfg-leases/
get_config_line_by_subchannel()
{
local CHANNEL
local line
CHANNELS="$1"
while read line; do
if strstr "$line" "$CHANNELS"; then
echo $line
return 0
fi
done < /etc/ccw.conf
return 1
}
print_s390() {
local _netif
local SUBCHANNELS
local OPTIONS
local NETTYPE
local CONFIG_LINE
local i
local channel
local OLD_IFS
_netif="$1"
# if we find ccw channel, then use those, instead of
# of the MAC
SUBCHANNELS=$({
for i in /sys/class/net/$_netif/device/cdev[0-9]*; do
[ -e $i ] || continue
channel=$(readlink -f $i)
echo -n "${channel##*/},"
done
})
[ -n "$SUBCHANNELS" ] || return 1
SUBCHANNELS=${SUBCHANNELS%,}
echo "SUBCHANNELS=\"${SUBCHANNELS}\""
CONFIG_LINE=$(get_config_line_by_subchannel $SUBCHANNELS)
[ $? -ne 0 -o -z "$CONFIG_LINE" ] && return
OLD_IFS=$IFS
IFS=","
set -- $CONFIG_LINE
IFS=$OLD_IFS
NETTYPE=$1
shift
SUBCHANNELS="$1"
OPTIONS=""
shift
while [ $# -gt 0 ]; do
case $1 in
*=*) OPTIONS="$OPTIONS $1";;
esac
shift
done
OPTIONS=${OPTIONS## }
echo "NETTYPE=\"${NETTYPE}\""
echo "OPTIONS=\"${OPTIONS}\""
}
for netup in /tmp/net.*.did-setup ; do
[ -f $netup ] || continue
netif=${netup%%.did-setup}
netif=${netif##*/net.}
[ -e /tmp/ifcfg/ifcfg-$netif ] && continue
unset bridge
unset bond
unset bondslaves
unset bondname
unset bondoptions
unset uuid
unset ip
unset gw
unset mtu
unset mask
unset macaddr
unset slave
unset ethname
[ -e /tmp/bond.${netif}.info ] && . /tmp/bond.${netif}.info
uuid=$(cat /proc/sys/kernel/random/uuid)
if [ "$netif" = "$bridgename" ]; then
bridge=yes
elif [ "$netif" = "$bondname" ]; then
# $netif can't be bridge and bond at the same time
bond=yes
fi
if [ "$netif" = "$vlanname" ]; then
vlan=yes
fi
cat /sys/class/net/$netif/address > /tmp/net.$netif.hwaddr
{
echo "# Generated by dracut initrd"
echo "DEVICE=\"$netif\""
echo "ONBOOT=yes"
echo "NETBOOT=yes"
echo "UUID=\"$uuid\""
if [ -f /tmp/dhclient.$netif.lease ]; then
[ -f /tmp/dhclient.$netif.dhcpopts ] && . /tmp/dhclient.$netif.dhcpopts
strstr "$ip" '*:*:*' && echo "IPV6INIT=yes"
if [ -f /tmp/net.$netif.has_ibft_config ]; then
echo "BOOTPROTO=ibft"
else
echo "BOOTPROTO=dhcp"
fi
cp /tmp/dhclient.$netif.lease /tmp/ifcfg-leases/dhclient-$uuid-$netif.lease
else
# If we've booted with static ip= lines, the override file is there
[ -e /tmp/net.$netif.override ] && . /tmp/net.$netif.override
if strstr "$ip" '*:*:*'; then
echo "IPV6INIT=yes"
echo "IPV6_AUTOCONF=no"
echo "IPV6ADDR=\"$ip/$mask\""
else
if [ -f /tmp/net.$netif.has_ibft_config ]; then
echo "BOOTPROTO=ibft"
else
echo "BOOTPROTO=none"
echo "IPADDR=\"$ip\""
if strstr "$mask" "."; then
echo "NETMASK=\"$mask\""
else
echo "PREFIX=\"$mask\""
fi
fi
fi
if strstr "$gw" '*:*:*'; then
echo "IPV6_DEFAULTGW=\"$gw\""
elif [ -n "$gw" ]; then
echo "GATEWAY=\"$gw\""
fi
fi
[ -n "$mtu" ] && echo "MTU=\"$mtu\""
} > /tmp/ifcfg/ifcfg-$netif
# bridge needs different things written to ifcfg
if [ -z "$bridge" ] && [ -z "$bond" ] && [ -z "$vlan" ]; then
# standard interface
{
if [ -n "$macaddr" ]; then
echo "MACADDR=\"$macaddr\""
else
echo "HWADDR=\"$(cat /sys/class/net/$netif/address)\""
fi
print_s390 $netif
echo "TYPE=Ethernet"
echo "NAME=\"$netif\""
[ -n "$mtu" ] && echo "MTU=\"$mtu\""
} >> /tmp/ifcfg/ifcfg-$netif
fi
if [ -n "$vlan" ] ; then
{
echo "TYPE=Vlan"
echo "NAME=\"$netif\""
echo "VLAN=yes"
echo "PHYSDEV=\"$phydevice\""
} >> /tmp/ifcfg/ifcfg-$netif
fi
if [ -n "$bond" ] ; then
# bond interface
{
# This variable is an indicator of a bond interface for initscripts
echo "BONDING_OPTS=\"$bondoptions\""
echo "NAME=\"$netif\""
echo "TYPE=Bond"
} >> /tmp/ifcfg/ifcfg-$netif
for slave in $bondslaves ; do
# write separate ifcfg file for the raw eth interface
{
echo "# Generated by dracut initrd"
echo "DEVICE=\"$slave\""
echo "TYPE=Ethernet"
echo "ONBOOT=yes"
echo "NETBOOT=yes"
echo "HWADDR=\"$(cat /sys/class/net/$slave/address)\""
echo "SLAVE=yes"
echo "MASTER=\"$netif\""
echo "NAME=\"$slave\""
} >> /tmp/ifcfg/ifcfg-$slave
done
fi
if [ -n "$bridge" ] ; then
# bridge
{
echo "TYPE=Bridge"
echo "NAME=\"$netif\""
} >> /tmp/ifcfg/ifcfg-$netif
if [ "$ethname" = "$bondname" ] ; then
{
echo "# Generated by dracut initrd"
echo "DEVICE=\"$bondname\""
echo "ONBOOT=yes"
echo "NETBOOT=yes"
# This variable is an indicator of a bond interface for initscripts
echo "BONDING_OPTS=\"$bondoptions\""
echo "BRIDGE=\"$netif\""
echo "NAME=\"$bondname\""
} >> /tmp/ifcfg/ifcfg-$bondname
for slave in $bondslaves ; do
# write separate ifcfg file for the raw eth interface
{
echo "# Generated by dracut initrd"
echo "DEVICE=\"$slave\""
echo "TYPE=Ethernet"
echo "ONBOOT=yes"
echo "NETBOOT=yes"
echo "HWADDR=\"$(cat /sys/class/net/$slave/address)\""
echo "SLAVE=yes"
echo "MASTER=\"$bondname\""
echo "NAME=\"$slave\""
} >> /tmp/ifcfg/ifcfg-$slave
done
else
# write separate ifcfg file for the raw eth interface
{
echo "# Generated by dracut initrd"
echo "DEVICE=\"$ethname\""
echo "TYPE=Ethernet"
echo "ONBOOT=yes"
echo "NETBOOT=yes"
echo "HWADDR=\"$(cat /sys/class/net/$ethname/address)\""
echo "BRIDGE=\"$netif\""
echo "NAME=\"$ethname\""
} >> /tmp/ifcfg/ifcfg-$ethname
fi
fi
i=1
for ns in $(getargs nameserver); do
echo "DNS${i}=\"${ns}\"" >> /tmp/ifcfg/ifcfg-$netif
i=$((i+1))
done
done
# Pass network opts
mkdir -m 0755 -p /run/initramfs/state/etc/sysconfig/network-scripts
mkdir -m 0755 -p /run/initramfs/state/var/lib/dhclient
echo "files /etc/sysconfig/network-scripts" >> /run/initramfs/rwtab
echo "files /var/lib/dhclient" >> /run/initramfs/rwtab
{
cp /tmp/net.* /run/initramfs/
cp /tmp/net.$netif.resolv.conf /run/initramfs/state/etc/resolv.conf
copytree /tmp/ifcfg /run/initramfs/state/etc/sysconfig/network-scripts
cp /tmp/ifcfg-leases/* /run/initramfs/state/var/lib/dhclient
} > /dev/null 2>&1