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311 lines
9.2 KiB
311 lines
9.2 KiB
#!/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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# shellcheck disable=SC2174 |
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mkdir -m 0755 -p /tmp/ifcfg/ |
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# shellcheck disable=SC2174 |
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mkdir -m 0755 -p /tmp/ifcfg-leases/ |
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get_config_line_by_subchannel() { |
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local CHANNELS |
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local line |
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CHANNELS="$1" |
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while read -r line || [ -n "$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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# shellcheck disable=SC2181 |
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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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# shellcheck disable=SC2086 |
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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 '$_netif'!" |
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return 1 |
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fi |
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# see, if we can bind it to some hw parms |
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if hw_bind "$_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 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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# shellcheck disable=SC1090 |
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[ -e /tmp/bond."${netif}".info ] && . /tmp/bond."${netif}".info |
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# shellcheck disable=SC1090 |
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[ -e /tmp/bridge."${netif}".info ] && . /tmp/bridge."${netif}".info |
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# shellcheck disable=SC1090 |
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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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# $netif can't be bridge and bond at the same time |
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bond=yes |
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fi |
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for i in "/tmp/vlan.${netif}."*; do |
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[ ! -e "$i" ] && continue |
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# shellcheck disable=SC1090 |
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. "$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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# shellcheck disable=SC1090 |
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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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# shellcheck disable=SC1090 |
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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" ] && [ -z "$team" ]; then |
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# standard interface |
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echo "TYPE=Ethernet" >> /tmp/ifcfg/ifcfg-"$netif" |
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fi |
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if [ -n "$vlan" ]; then |
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{ |
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echo "TYPE=Vlan" |
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echo "DEVICE=\"$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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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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# shellcheck disable=SC1090 |
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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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# shellcheck disable=SC1090 |
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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) $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 | awk '!($0 in a) { a[$0]; print }' > /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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