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Edit File : write-ifcfg.sh \| Size : 8.66 KB
#!/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 mkdir -m 0755 -p /tmp/ifcfg/ mkdir -m 0755 -p /tmp/ifcfg-leases/ get_config_line_by_subchannel() { local CHANNEL local line CHANNELS="$1" while read line \|\| [ -n "$line" ]; do if strstr "$line" "$CHANNELS"; then echo $line return 0 fi done < /etc/ccw.conf return 1 } print_s390() { local _netif local SUBCHANNELS local OPTIONS local NETTYPE local CONFIG_LINE local i local channel local OLD_IFS _netif="$1" # if we find ccw channel, then use those, instead of # of the MAC SUBCHANNELS=$({ for i in /sys/class/net/$_netif/device/cdev[0-9]; do [ -e $i ] \|\| continue channel=$(readlink -f $i) printf '%s' "${channel##/}," done }) [ -n "$SUBCHANNELS" ] \|\| return 1 SUBCHANNELS=${SUBCHANNELS%,} echo "SUBCHANNELS=\"${SUBCHANNELS}\"" CONFIG_LINE=$(get_config_line_by_subchannel $SUBCHANNELS) [ $? -ne 0 -o -z "$CONFIG_LINE" ] && return 0 OLD_IFS=$IFS IFS="," set -- $CONFIG_LINE IFS=$OLD_IFS NETTYPE=$1 shift SUBCHANNELS="$1" OPTIONS="" shift while [ $# -gt 0 ]; do case $1 in =) OPTIONS="$OPTIONS $1";; esac shift done OPTIONS=${OPTIONS## } echo "NETTYPE=\"${NETTYPE}\"" echo "OPTIONS=\"${OPTIONS}\"" 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 derror "Cannot find network interface '$_netif'!" return 1 fi # see, if we can bind it to some hw parms if hw_bind "$_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-$netif ] && continue unset bridge unset bond unset bondslaves unset bondname unset bondoptions unset bridgename unset bridgeslaves unset team unset uuid unset ip unset gw unset mtu unset mask unset macaddr unset slave unset ethname unset vlan unset vlanname unset phydevice [ -e /tmp/bond.${netif}.info ] && . /tmp/bond.${netif}.info [ -e /tmp/bridge.${netif}.info ] && . /tmp/bridge.${netif}.info [ -e /tmp/team.${netif}.info ] && . /tmp/team.${netif}.info uuid=$(cat /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 "$i" ] && continue . "$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 [ -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 [ -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 [ -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 [ -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 \| sort -u > /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 Back

Edit File : write-ifcfg.sh | Size : 8.66 KB

#!/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

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

get_config_line_by_subchannel()
{
    local CHANNEL
    local line

CHANNELS="$1"
    while read line || [ -n "$line" ]; do
        if strstr "$line" "$CHANNELS"; then
            echo $line
            return 0
        fi
    done < /etc/ccw.conf
    return 1
}

print_s390() {
    local _netif
    local SUBCHANNELS
    local OPTIONS
    local NETTYPE
    local CONFIG_LINE
    local i
    local channel
    local OLD_IFS

_netif="$1"
    # if we find ccw channel, then use those, instead of
    # of the MAC
    SUBCHANNELS=$({
        for i in /sys/class/net/$_netif/device/cdev[0-9]*; do
            [ -e $i ] || continue
            channel=$(readlink -f $i)
            printf '%s' "${channel##*/},"
        done
    })
    [ -n "$SUBCHANNELS" ] || return 1

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

CONFIG_LINE=$(get_config_line_by_subchannel $SUBCHANNELS)
    [ $? -ne 0 -o -z "$CONFIG_LINE" ] && return 0

OLD_IFS=$IFS
    IFS=","
    set -- $CONFIG_LINE
    IFS=$OLD_IFS
    NETTYPE=$1
    shift
    SUBCHANNELS="$1"
    OPTIONS=""
    shift
    while [ $# -gt 0 ]; do
        case $1 in
            *=*) OPTIONS="$OPTIONS $1";;
        esac
        shift
    done
    OPTIONS=${OPTIONS## }
    echo "NETTYPE=\"${NETTYPE}\""
    echo "OPTIONS=\"${OPTIONS}\""
    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/$_netif" ]; then
        derror "Cannot find network interface '$_netif'!"
        return 1
    fi

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

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

uuid=$(cat /proc/sys/kernel/random/uuid)
    if [ "$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
        . "$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
            [ -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
            [ -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
                [ -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
                [ -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 | sort -u > /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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