231 lines
7.0 KiB
Bash
Executable File
231 lines
7.0 KiB
Bash
Executable File
#!/bin/sh
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# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
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# ex: ts=8 sw=4 sts=4 et filetype=sh
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# NFS root might have reached here before /tmp/net.ifaces was written
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udevadm settle --timeout=30
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# Don't write anything if we don't know our bootdev
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[ -f /tmp/net.ifaces ] || return 1
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read IFACES < /tmp/net.ifaces
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if [ -e /tmp/bond.info ]; then
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. /tmp/bond.info
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fi
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if [ -e /tmp/bridge.info ]; then
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. /tmp/bridge.info
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fi
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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="$1"
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while read line; do
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if strstr "$line" "$CHANNELS"; then
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echo $line
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return 0
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fi
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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 $i)
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echo -n "${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
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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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}
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for netif in $IFACES ; do
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# bridge?
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unset bridge
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unset bond
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uuid=$(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 [ "$netif" = "$bondname" ]; then
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# $netif can't be bridge and bond at the same time
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bond=yes
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fi
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cat /sys/class/net/$netif/address > /tmp/net.$netif.hwaddr
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{
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echo "# Generated by dracut initrd"
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echo "DEVICE=$netif"
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echo "ONBOOT=yes"
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echo "NETBOOT=yes"
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echo "UUID=$uuid"
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[ -n "$mtu" ] && echo "MTU=$mtu"
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if [ -f /tmp/net.$netif.lease ]; then
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strstr "$ip" '*:*:*' &&
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echo "DHCPV6C=yes"
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echo "BOOTPROTO=dhcp"
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cp /tmp/net.$netif.lease /tmp/ifcfg-leases/dhclient-$uuid-$netif.lease
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else
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echo "BOOTPROTO=none"
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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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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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fi
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[ -n "$gw" ] && echo "GATEWAY=$gw"
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fi
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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 "$bond" ]; then
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# standard interface
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{
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if [ -n "$macaddr" ]; then
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echo "MACADDR=$macaddr"
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else
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echo "HWADDR=\"$(cat /sys/class/net/$netif/address)\""
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fi
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print_s390 $netif
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echo "TYPE=Ethernet"
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echo "NAME=\"Boot Disk\""
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[ -n "$mtu" ] && echo "MTU=$mtu"
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} >> /tmp/ifcfg/ifcfg-$netif
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fi
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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=\"Boot Disk\""
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} >> /tmp/ifcfg/ifcfg-$netif
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for slave in $bondslaves ; do
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# Set ONBOOT=no to prevent initscripts from trying to setup already bonded physical interface
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# write separate ifcfg file for the raw eth interface
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{
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echo "# Generated by dracut initrd"
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echo "DEVICE=$slave"
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echo "TYPE=Ethernet"
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echo "ONBOOT=no"
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echo "NETBOOT=yes"
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echo "HWADDR=$(cat /sys/class/net/$slave/address)"
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echo "SLAVE=yes"
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echo "MASTER=$netif"
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echo "NAME=$slave"
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} >> /tmp/ifcfg/ifcfg-$slave
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done
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fi
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if [ -n "$bridge" ] ; then
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# bridge
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{
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echo "TYPE=Bridge"
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echo "NAME=\"Boot Disk\""
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} >> /tmp/ifcfg/ifcfg-$netif
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if [ "$ethname" = "$bondname" ] ; then
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{
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# Set ONBOOT=no to prevent initscripts from trying to setup already bridged bond interface
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echo "# Generated by dracut initrd"
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echo "DEVICE=$bondname"
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echo "ONBOOT=no"
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echo "NETBOOT=yes"
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# This variable is an indicator of a bond interface for initscripts
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echo "BONDING_OPTS=\"$bondoptions\""
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echo "BRIDGE=$netif"
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echo "NAME=\"$bondname\""
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} >> /tmp/ifcfg/ifcfg-$bondname
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for slave in $bondslaves ; do
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# write separate ifcfg file for the raw eth interface
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# Set ONBOOT=no to prevent initscripts from trying to setup already bridged physical interface
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{
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echo "# Generated by dracut initrd"
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echo "DEVICE=$slave"
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echo "TYPE=Ethernet"
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echo "ONBOOT=no"
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echo "NETBOOT=yes"
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echo "HWADDR=$(cat /sys/class/net/$slave/address)"
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echo "SLAVE=yes"
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echo "MASTER=$bondname"
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echo "NAME=$slave"
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} >> /tmp/ifcfg/ifcfg-$slave
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done
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else
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# write separate ifcfg file for the raw eth interface
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{
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echo "# Generated by dracut initrd"
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echo "DEVICE=$ethname"
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echo "TYPE=Ethernet"
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echo "ONBOOT=no"
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echo "NETBOOT=yes"
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echo "HWADDR=$(cat /sys/class/net/$ethname/address)"
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echo "BRIDGE=$netif"
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echo "NAME=$ethname"
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} >> /tmp/ifcfg/ifcfg-$ethname
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fi
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fi
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i=1
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for ns in $(getargs nameserver); do
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echo "DNS${i}=${ns}" >> /tmp/ifcfg/ifcfg-$netif
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i=$((i+1))
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done
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done
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# Pass network opts
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mkdir -m 0755 -p /run/initramfs/state/etc/sysconfig/network-scripts
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mkdir -m 0755 -p /run/initramfs/state/var/lib/dhclient
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echo "files /etc/sysconfig/network-scripts" >> /run/initramfs/rwtab
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echo "files /var/lib/dhclient" >> /run/initramfs/rwtab
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{
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cp /tmp/net.* /run/initramfs/
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cp /tmp/net.$netif.resolv.conf /run/initramfs/state/etc/resolv.conf
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cp -a -t /run/initramfs/state/etc/sysconfig/network-scripts/ /tmp/ifcfg/*
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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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