288 lines
8.1 KiB
Bash
Executable File
288 lines
8.1 KiB
Bash
Executable File
#!/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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if [ -e /tmp/bridge.info ]; then
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. /tmp/bridge.info
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fi
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if [ -e /tmp/vlan.info ]; then
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. /tmp/vlan.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="$1"
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while read line || [ -n "$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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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 $i)
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printf '%s' "${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="$2"
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# see, if we can bind it to some hw parms
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if hw_bind "$_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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fi
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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-$netif ] && continue
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unset bridge
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unset bond
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unset bondslaves
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unset bondname
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unset bondoptions
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unset uuid
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unset ip
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unset gw
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unset mtu
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unset mask
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unset macaddr
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unset slave
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unset ethname
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unset vlan
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[ -e /tmp/bond.${netif}.info ] && . /tmp/bond.${netif}.info
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uuid=$(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 [ "$netif" = "$bondname" ]; then
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# $netif can't be bridge and bond at the same time
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bond=yes
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fi
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if [ "$netif" = "$vlanname" ]; then
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vlan=yes
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fi
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{
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echo "# Generated by dracut initrd"
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echo "NAME=\"$netif\""
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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.$netif.has_ibft_config ]; then
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echo "BOOTPROTO=ibft"
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else
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echo "BOOTPROTO=dhcp"
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fi
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cp /tmp/dhclient.$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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fi
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fi
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fi
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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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fi
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fi
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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" ]; then
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# standard interface
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{
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echo "TYPE=Ethernet"
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[ -n "$mtu" ] && echo "MTU=\"$mtu\""
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} >> /tmp/ifcfg/ifcfg-$netif
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fi
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if [ -n "$vlan" ] ; then
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{
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echo "TYPE=Vlan"
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echo "NAME=\"$netif\""
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echo "VLAN=yes"
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echo "PHYSDEV=\"$phydevice\""
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} >> /tmp/ifcfg/ifcfg-$netif
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fi
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if [ -n "$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=\"$bondoptions\""
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echo "NAME=\"$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-$slave
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done
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fi
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if [ -n "$bridge" ] ; then
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# bridge
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{
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echo "TYPE=Bridge"
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echo "NAME=\"$netif\""
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} >> /tmp/ifcfg/ifcfg-$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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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=$((i+1))
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done
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[ -f /tmp/net.route6."$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-"$netif"
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done
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# Pass network opts
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mkdir -m 0755 -p /run/initramfs/state/etc/sysconfig/network-scripts
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mkdir -m 0755 -p /run/initramfs/state/var/lib/dhclient
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echo "files /etc/sysconfig/network-scripts" >> /run/initramfs/rwtab
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echo "files /var/lib/dhclient" >> /run/initramfs/rwtab
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{
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cp /tmp/net.* /run/initramfs/
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cp /tmp/net.$netif.resolv.conf /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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