Edit File by line

#!/bin/sh

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# NFS root might have reached here before /tmp/net.ifaces was written

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type is_persistent_ethernet_name >/dev/null 2>&1 || . /lib/net-lib.sh

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udevadm settle --timeout=30

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mkdir -m 0755 -p /tmp/ifcfg/

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mkdir -m 0755 -p /tmp/ifcfg-leases/

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get_config_line_by_subchannel()

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{

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local CHANNEL

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local line

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CHANNELS="$1"

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while read line || [ -n "$line" ]; do

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if strstr "$line" "$CHANNELS"; then

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echo $line

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return 0

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done < /etc/ccw.conf

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return 1

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}

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print_s390() {

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local _netif

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local SUBCHANNELS

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local OPTIONS

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local NETTYPE

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local CONFIG_LINE

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local i

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local channel

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local OLD_IFS

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_netif="$1"

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# if we find ccw channel, then use those, instead of

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# of the MAC

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SUBCHANNELS=$({

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for i in /sys/class/net/$_netif/device/cdev[0-9]*; do

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[ -e $i ] || continue

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channel=$(readlink -f $i)

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printf '%s' "${channel##*/},"

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done

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})

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[ -n "$SUBCHANNELS" ] || return 1

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SUBCHANNELS=${SUBCHANNELS%,}

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echo "SUBCHANNELS=\"${SUBCHANNELS}\""

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CONFIG_LINE=$(get_config_line_by_subchannel $SUBCHANNELS)

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[ $? -ne 0 -o -z "$CONFIG_LINE" ] && return 0

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OLD_IFS=$IFS

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IFS=","

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set -- $CONFIG_LINE

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IFS=$OLD_IFS

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NETTYPE=$1

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shift

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SUBCHANNELS="$1"

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OPTIONS=""

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shift

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while [ $# -gt 0 ]; do

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case $1 in

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*=*) OPTIONS="$OPTIONS $1";;

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esac

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shift

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done

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OPTIONS=${OPTIONS## }

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echo "NETTYPE=\"${NETTYPE}\""

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echo "OPTIONS=\"${OPTIONS}\""

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return 0

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}

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hw_bind() {

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local _netif="$1"

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local _macaddr="$2"

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[ -n "$_macaddr" ] \

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&& echo "MACADDR=\"$_macaddr\""

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print_s390 "$_netif" \

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&& return 0

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[ -n "$_macaddr" ] && return 0

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is_persistent_ethernet_name "$_netif" && return 0

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[ -f "/sys/class/net/$_netif/addr_assign_type" ] \

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&& [ "$(cat "/sys/class/net/$_netif/addr_assign_type")" != "0" ] \

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&& return 1

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[ -f "/sys/class/net/$_netif/address" ] \

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|| return 1

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echo "HWADDR=\"$(cat /sys/class/net/$_netif/address)\""

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}

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interface_bind() {

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local _netif="$1"

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local _macaddr="$2"

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if [ ! -e "/sys/class/net/$_netif" ]; then

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derror "Cannot find network interface '$_netif'!"

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return 1

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# see, if we can bind it to some hw parms

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if hw_bind "$_netif" "$_macaddr"; then

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# only print out DEVICE, if it's user assigned

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is_kernel_ethernet_name "$_netif" && return 0

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echo "DEVICE=\"$_netif\""

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}

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for netup in /tmp/net.*.did-setup ; do

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[ -f $netup ] || continue

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netif=${netup%%.did-setup}

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netif=${netif##*/net.}

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strglobin "$netif" ":*:*:*:*:" && continue

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[ -e /tmp/ifcfg/ifcfg-$netif ] && continue

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unset bridge

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unset bond

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unset bondslaves

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unset bondname

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unset bondoptions

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unset bridgename

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unset bridgeslaves

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unset team

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unset uuid

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unset ip

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unset gw

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unset mtu

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unset mask

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unset macaddr

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unset slave

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unset ethname

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unset vlan

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unset vlanname

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unset phydevice

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[ -e /tmp/bond.${netif}.info ] && . /tmp/bond.${netif}.info

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[ -e /tmp/bridge.${netif}.info ] && . /tmp/bridge.${netif}.info

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[ -e /tmp/team.${netif}.info ] && . /tmp/team.${netif}.info

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uuid=$(cat /proc/sys/kernel/random/uuid)

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if [ "$netif" = "$bridgename" ]; then

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bridge=yes

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elif [ "$netif" = "$teammaster" ]; then

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team=yes

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elif [ "$netif" = "$bondname" ]; then

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# $netif can't be bridge and bond at the same time

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bond=yes

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for i in /tmp/vlan.${netif}.*; do

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[ ! -e "$i" ] && continue

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. "$i"

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vlan=yes

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break

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done

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# skip team interfaces for now, the host config must be in sync

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[ "$netif" = "$teammaster" ] && continue

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{

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echo "# Generated by dracut initrd"

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echo "NAME=\"$netif\""

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[ -z "$vlan" ] && interface_bind "$netif" "$macaddr"

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echo "ONBOOT=yes"

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echo "NETBOOT=yes"

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echo "UUID=\"$uuid\""

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strstr "$(ip -6 addr show dev $netif)" 'inet6' && echo "IPV6INIT=yes"

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if [ -f /tmp/dhclient.$netif.lease ]; then

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[ -f /tmp/dhclient.$netif.dhcpopts ] && . /tmp/dhclient.$netif.dhcpopts

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if [ -f /tmp/net.$netif.has_ibft_config ]; then

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echo "BOOTPROTO=ibft"

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else

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echo "BOOTPROTO=dhcp"

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cp /tmp/dhclient.$netif.lease /tmp/ifcfg-leases/dhclient-$uuid-$netif.lease

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else

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# If we've booted with static ip= lines, the override file is there

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[ -e /tmp/net.$netif.override ] && . /tmp/net.$netif.override

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if strglobin "$ip" '*:*:*'; then

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echo "IPV6INIT=yes"

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echo "IPV6_AUTOCONF=no"

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echo "IPV6ADDR=\"$ip/$mask\""

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else

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if [ -f /tmp/net.$netif.has_ibft_config ]; then

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echo "BOOTPROTO=ibft"

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else

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echo "BOOTPROTO=none"

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echo "IPADDR=\"$ip\""

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if strstr "$mask" "."; then

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echo "NETMASK=\"$mask\""

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else

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echo "PREFIX=\"$mask\""

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if strglobin "$gw" '*:*:*'; then

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echo "IPV6_DEFAULTGW=\"$gw\""

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elif [ -n "$gw" ]; then

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echo "GATEWAY=\"$gw\""

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[ -n "$mtu" ] && echo "MTU=\"$mtu\""

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} > /tmp/ifcfg/ifcfg-$netif

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# bridge needs different things written to ifcfg

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if [ -z "$bridge" ] && [ -z "$bond" ] && [ -z "$vlan" ] && [ -z "$team" ]; then

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# standard interface

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echo "TYPE=Ethernet" >> /tmp/ifcfg/ifcfg-$netif

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if [ -n "$vlan" ] ; then

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{

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echo "TYPE=Vlan"

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echo "DEVICE=\"$netif\""

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echo "VLAN=yes"

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echo "PHYSDEV=\"$phydevice\""

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} >> /tmp/ifcfg/ifcfg-$netif

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if [ -n "$bond" ] ; then

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# bond interface

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{

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# This variable is an indicator of a bond interface for initscripts

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echo "BONDING_OPTS=\"$bondoptions\""

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echo "NAME=\"$netif\""

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echo "TYPE=Bond"

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} >> /tmp/ifcfg/ifcfg-$netif

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for slave in $bondslaves ; do

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# write separate ifcfg file for the raw eth interface

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(

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echo "# Generated by dracut initrd"

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echo "NAME=\"$slave\""

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echo "TYPE=Ethernet"

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echo "ONBOOT=yes"

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echo "NETBOOT=yes"

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echo "SLAVE=yes"

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echo "MASTER=\"$netif\""

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echo "UUID=\"$(cat /proc/sys/kernel/random/uuid)\""

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unset macaddr

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[ -e /tmp/net.$slave.override ] && . /tmp/net.$slave.override

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interface_bind "$slave" "$macaddr"

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) >> /tmp/ifcfg/ifcfg-$slave

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done

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if [ -n "$bridge" ] ; then

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# bridge

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{

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echo "TYPE=Bridge"

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echo "NAME=\"$netif\""

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} >> /tmp/ifcfg/ifcfg-$netif

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for slave in $bridgeslaves ; do

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# write separate ifcfg file for the raw eth interface

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(

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echo "# Generated by dracut initrd"

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echo "NAME=\"$slave\""

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echo "TYPE=Ethernet"

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echo "ONBOOT=yes"

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echo "NETBOOT=yes"

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echo "BRIDGE=\"$bridgename\""

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echo "UUID=\"$(cat /proc/sys/kernel/random/uuid)\""

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unset macaddr

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[ -e /tmp/net.$slave.override ] && . /tmp/net.$slave.override

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interface_bind "$slave" "$macaddr"

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) >> /tmp/ifcfg/ifcfg-$slave

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done

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i=1

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for ns in $(getargs nameserver) $dns1 $dns2; do

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echo "DNS${i}=\"${ns}\"" >> /tmp/ifcfg/ifcfg-$netif

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i=$((i+1))

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done

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[ -f /tmp/net.route6."$netif" ] && cp /tmp/net.route6."$netif" /tmp/ifcfg/route6-"$netif"

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[ -f /tmp/net.route."$netif" ] && cp /tmp/net.route."$netif" /tmp/ifcfg/route-"$netif"

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done

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# Pass network opts

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mkdir -m 0755 -p /run/initramfs/state/etc/sysconfig/network-scripts

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mkdir -m 0755 -p /run/initramfs/state/var/lib/dhclient

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echo "files /etc/sysconfig/network-scripts" >> /run/initramfs/rwtab

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echo "files /var/lib/dhclient" >> /run/initramfs/rwtab

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{

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cp /tmp/net.* /run/initramfs/

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for i in /tmp/net.*.resolv.conf; do

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[ -f "$i" ] && cat "$i"

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done | sort -u > /run/initramfs/state/etc/resolv.conf

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[ -s /run/initramfs/state/etc/resolv.conf ] || rm -f /run/initramfs/state/etc/resolv.conf

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copytree /tmp/ifcfg /run/initramfs/state/etc/sysconfig/network-scripts

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cp /tmp/ifcfg-leases/* /run/initramfs/state/var/lib/dhclient

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} > /dev/null 2>&1

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