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#!/bin/sh
# NFS root might have reached here before /tmp/net.ifaces was written
type is_persistent_ethernet_name > /dev/null 2>&1 || . /lib/net-lib.sh
udevadm settle --timeout=30
# shellcheck disable=SC2174
mkdir -m 0755 -p /tmp/ifcfg/
# shellcheck disable=SC2174
mkdir -m 0755 -p /tmp/ifcfg-leases/
print_s390() {
local _netif
local SUBCHANNELS
local i
_netif="$1"
# if we find ccw channel, then use those, instead of
# of the MAC
# [iface_get_subchannels() from /lib/net-lib.sh sourced at top of this file]
SUBCHANNELS=$(iface_get_subchannels "$_netif")
[ -n "$SUBCHANNELS" ] || return 1
SUBCHANNELS=${SUBCHANNELS%,}
echo "SUBCHANNELS=\"${SUBCHANNELS}\""
return 0
}
hw_bind() {
local _netif="$1"
local _macaddr="$2"
[ -n "$_macaddr" ] \
&& echo "MACADDR=\"$_macaddr\""
print_s390 "$_netif" \
&& return 0
[ -n "$_macaddr" ] && return 0
is_persistent_ethernet_name "$_netif" && return 0
[ -f "/sys/class/net/$_netif/addr_assign_type" ] \
&& [ "$(cat "/sys/class/net/$_netif/addr_assign_type")" != "0" ] \
&& return 1
[ -f "/sys/class/net/$_netif/address" ] \
|| return 1
echo "HWADDR=\"$(cat /sys/class/net/"$_netif"/address)\""
}
interface_bind() {
local _netif="$1"
local _macaddr="$2"
if [ ! -e "/sys/class/net/$_netif" ]; then
warn "Cannot find network interface '$_netif'!"
return 1
fi
# see, if we can bind it to some hw params
if hw_bind "$_netif" "$_macaddr"; then
# only print out DEVICE, if it's user assigned
is_kernel_ethernet_name "$_netif" && return 0
fi
echo "DEVICE=\"$_netif\""
}
for netup in /tmp/net.*.did-setup; do
[ -f "$netup" ] || continue
netif=${netup%%.did-setup}
netif=${netif##*/net.}
strglobin "$netif" ":*:*:*:*:" && continue
[ -e /tmp/ifcfg/ifcfg-"$netif" ] && continue
unset bridge
unset bond
unset bondslaves
unset bondname
unset bondoptions
unset bridgename
unset bridgeslaves
unset team
unset uuid
unset ip
unset gw
unset mtu
unset mask
unset macaddr
unset slave
unset ethname
unset vlan
unset vlanname
unset phydevice
# shellcheck disable=SC1090
[ -e /tmp/bond."${netif}".info ] && . /tmp/bond."${netif}".info
# shellcheck disable=SC1090
[ -e /tmp/bridge."${netif}".info ] && . /tmp/bridge."${netif}".info
# shellcheck disable=SC1090
[ -e /tmp/team."${netif}".info ] && . /tmp/team."${netif}".info
read -r uuid < /proc/sys/kernel/random/uuid
if [ "$netif" = "$bridgename" ]; then
bridge=yes
elif [ "$netif" = "$teammaster" ]; then
team=yes
elif [ "$netif" = "$bondname" ]; then
# $netif can't be bridge and bond at the same time
bond=yes
fi
for i in "/tmp/vlan.${netif}."*; do
[ ! -e "$i" ] && continue
# shellcheck disable=SC1090
. "$i"
vlan=yes
break
done
# skip team interfaces for now, the host config must be in sync
[ "$netif" = "$teammaster" ] && continue
{
echo "# Generated by dracut initrd"
echo "NAME=\"$netif\""
[ -z "$vlan" ] && interface_bind "$netif" "$macaddr"
echo "ONBOOT=yes"
echo "NETBOOT=yes"
echo "UUID=\"$uuid\""
strstr "$(ip -6 addr show dev "$netif")" 'inet6' && echo "IPV6INIT=yes"
if [ -f /tmp/dhclient."$netif".lease ]; then
# shellcheck disable=SC1090
[ -f /tmp/dhclient."$netif".dhcpopts ] && . /tmp/dhclient."$netif".dhcpopts
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
# shellcheck disable=SC1090
[ -e /tmp/net."$netif".override ] && . /tmp/net."$netif".override
if strglobin "$ip" '*:*:*'; then
echo "IPV6INIT=yes"
echo "IPV6_AUTOCONF=no"
echo "IPV6ADDR=\"$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 strglobin "$gw" '*:*:*'; then
echo "IPV6_DEFAULTGW=\"$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" ] && [ -z "$team" ]; then
# standard interface
echo "TYPE=Ethernet" >> /tmp/ifcfg/ifcfg-"$netif"
fi
if [ -n "$vlan" ]; then
{
echo "TYPE=Vlan"
echo "DEVICE=\"$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 $bondslaves; do
# write separate ifcfg file for the raw eth interface
(
echo "# Generated by dracut initrd"
echo "NAME=\"$slave\""
echo "TYPE=Ethernet"
echo "ONBOOT=yes"
echo "NETBOOT=yes"
echo "SLAVE=yes"
echo "MASTER=\"$netif\""
echo "UUID=\"$(cat /proc/sys/kernel/random/uuid)\""
unset macaddr
# shellcheck disable=SC1090
[ -e /tmp/net."$slave".override ] && . /tmp/net."$slave".override
interface_bind "$slave" "$macaddr"
) >> /tmp/ifcfg/ifcfg-"$slave"
done
fi
if [ -n "$bridge" ]; then
# bridge
{
echo "TYPE=Bridge"
echo "NAME=\"$netif\""
} >> /tmp/ifcfg/ifcfg-"$netif"
for slave in $bridgeslaves; do
# write separate ifcfg file for the raw eth interface
(
echo "# Generated by dracut initrd"
echo "NAME=\"$slave\""
echo "TYPE=Ethernet"
echo "ONBOOT=yes"
echo "NETBOOT=yes"
echo "BRIDGE=\"$bridgename\""
echo "UUID=\"$(cat /proc/sys/kernel/random/uuid)\""
unset macaddr
# shellcheck disable=SC1090
[ -e /tmp/net."$slave".override ] && . /tmp/net."$slave".override
interface_bind "$slave" "$macaddr"
) >> /tmp/ifcfg/ifcfg-"$slave"
done
fi
i=1
for ns in $(getargs nameserver) $dns1 $dns2; do
echo "DNS${i}=\"${ns}\"" >> /tmp/ifcfg/ifcfg-"$netif"
i=$((i + 1))
done
[ -f /tmp/net.route6."$netif" ] && cp /tmp/net.route6."$netif" /tmp/ifcfg/route6-"$netif"
[ -f /tmp/net.route."$netif" ] && cp /tmp/net.route."$netif" /tmp/ifcfg/route-"$netif"
done
# Pass network opts
mkdir -m 0755 -p /run/initramfs/state/etc/sysconfig/network-scripts
mkdir -m 0755 -p /run/initramfs/state/var/lib/dhclient
echo "files /etc/sysconfig/network-scripts" >> /run/initramfs/rwtab
echo "files /var/lib/dhclient" >> /run/initramfs/rwtab
{
cp /tmp/net.* /run/initramfs/
for i in /tmp/net.*.resolv.conf; do
[ -f "$i" ] && cat "$i"
done | awk '!($0 in a) { a[$0]; print }' > /run/initramfs/state/etc/resolv.conf
[ -s /run/initramfs/state/etc/resolv.conf ] || rm -f /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
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