Subversion Repositories configs

#!/bin/bash

# Network Interface Configuration System

# Copyright (c) 1996-2013 Red Hat, Inc. all rights reserved.

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License, version 2,

# as published by the Free Software Foundation.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

. /etc/init.d/functions

cd /etc/sysconfig/network-scripts

. ./network-functions

[ -f ../network ] && . ../network

CONFIG=${1}

source_config

# Allow the user to override the detection of our physical device by passing

# it in.  No checking is done, if the user gives us a bogus dev, it's

# their problem.

[ -n "${PHYSDEV}" ] && REALDEVICE="$PHYSDEV"

. /etc/sysconfig/network

# Check to make sure the device is actually up

check_device_down ${DEVICE} && exit 0

# If we are a P_Key device, we need to munge a few things

if [ "${PKEY}" = yes ]; then

	[ -z "${PKEY_ID}" ] && {

	        net_log $"InfiniBand IPoIB device: PKEY=yes requires a PKEY_ID"

	        exit 1

	}

	[ -z "${PHYSDEV}" ] && {

	        net_log $"InfiniBand IPoIB device: PKEY=yes requires a PHYSDEV"

	        exit 1

	}

	# Normalize our PKEY_ID to have the high bit set

	NEW_PKEY_ID=`printf "0x%04x" $(( 0x8000 | ${PKEY_ID} ))`

	NEW_PKEY_NAME=`printf "%04x" ${NEW_PKEY_ID}`

	[ "${DEVICE}" != "${PHYSDEV}.${NEW_PKEY_NAME}" ] && {

                net_log $"Configured DEVICE name does not match what new device name would be.  This

is most likely because once the PKEY_ID was normalized, it no longer

resulted in the expected device naming, and so the DEVICE entry in the

config file needs to be updated to match. This can also be caused by

giving PKEY_ID as a hex number but without using the mandatory 0x prefix.

	Configured DEVICE=$DEVICE

        Configured PHYSDEV=$PHYSDEV

        Configured PKEY_ID=$PKEY_ID

        Calculated PKEY_ID=$NEW_PKEY_ID

        Calculated name=${PHYSDEV}.${NEW_PKEY_NAME}"

                exit 1

        }

        [ -d "/sys/class/net/${DEVICE}" ] || exit 0

        # When we get to downing the IP address, we need REALDEVICE to

        # point to our PKEY device

        REALDEVICE="${DEVICE}"

fi

if [ "${SLAVE}" != "yes" -o -z "${MASTER}" ]; then

if [ -n "${HWADDR}" -a -z "${MACADDR}" ]; then

    HWADDR=$(echo $HWADDR | tail -c 24)

    FOUNDMACADDR=$(get_hwaddr ${REALDEVICE} | tail -c 24)

    if [ -n "${FOUNDMACADDR}" -a "${FOUNDMACADDR}" != "${HWADDR}" ]; then

        NEWCONFIG=$(get_config_by_hwaddr ${FOUNDMACADDR})

	if [ -n "${NEWCONFIG}" ]; then

	   eval $(LANG=C grep -F "DEVICE=" $NEWCONFIG)

	else

	   net_log $"Device ${DEVICE} has MAC address ${FOUNDMACADDR}, instead of configured address ${HWADDR}. Ignoring."

	   exit 1

	fi

	if [ -n "${NEWCONFIG}" -a "${NEWCONFIG##*/}" != "${CONFIG##*/}" -a "${DEVICE}" = "${REALDEVICE}" ]; then

	   exec /sbin/ifdown ${NEWCONFIG}

	else

	   net_log $"Device ${DEVICE} has MAC address ${FOUNDMACADDR}, instead of configured address ${HWADDR}. Ignoring."

	   exit 1

	fi

    fi

fi

fi

if is_bonding_device ${DEVICE} ; then

    for device in $(LANG=C grep -l "^[[:space:]]*MASTER=\"\?${DEVICE}\"\?\([[:space:]#]\|$\)" /etc/sysconfig/network-scripts/ifcfg-*) ; do

	is_ignored_file "$device" && continue

	/sbin/ifdown ${device##*/}

    done

    for arg in $BONDING_OPTS ; do

	key=${arg%%=*};

	[[ "${key}" != "arp_ip_target" ]] && continue

	value=${arg##*=};

	if [ "${value:0:1}" != "" ]; then

            OLDIFS=$IFS;

            IFS=',';

            for arp_ip in $value; do

		if grep -q $arp_ip /sys/class/net/${DEVICE}/bonding/arp_ip_target; then

                    echo "-$arp_ip" > /sys/class/net/${DEVICE}/bonding/arp_ip_target

		fi

            done

            IFS=$OLDIFS;

	else

	    value=${value#+};

	    if grep -q $value /sys/class/net/${DEVICE}/bonding/arp_ip_target; then

                echo "-$value" > /sys/class/net/${DEVICE}/bonding/arp_ip_target

	    fi

	fi

    done

fi

/etc/sysconfig/network-scripts/ifdown-ipv6 ${CONFIG}

retcode=0

[ -n "$(pidof -x dhclient)" ] && {

   for VER in "" 6 ; do

	if [ -f "/var/run/dhclient$VER-${DEVICE}.pid" ]; then

		dhcpid=$(cat /var/run/dhclient$VER-${DEVICE}.pid)

		if [[ "$DHCPRELEASE" = [yY1]* ]];  then

			/sbin/dhclient -r -lf /var/lib/dhclient/dhclient$VER-${DEVICE}.leases -pf /var/run/dhclient-${DEVICE}.pid ${DEVICE} >/dev/null 2>&1

			retcode=$?

		else

			kill $dhcpid >/dev/null 2>&1

			retcode=$?

			reason=STOP$VER interface=${DEVICE} /sbin/dhclient-script

		fi

		if [ -f "/var/run/dhclient$VER-${DEVICE}.pid" ]; then

			rm -f /var/run/dhclient$VER-${DEVICE}.pid

			kill $dhcpid >/dev/null 2>&1

		fi

	fi

    done

}

# we can't just delete the configured address because that address

# may have been changed in the config file since the device was

# brought up.  Flush all addresses associated with this

# instance instead.

if [ -d "/sys/class/net/${REALDEVICE}" ]; then

	if [ "${REALDEVICE}" = "${DEVICE}" ]; then

		ip addr flush dev ${REALDEVICE} scope global 2>/dev/null

	else

		ip addr flush dev ${REALDEVICE} label ${DEVICE} scope global 2>/dev/null

	fi

	if [ "${SLAVE}" = "yes" -a -n "${MASTER}" ]; then

		echo "-${DEVICE}" > /sys/class/net/${MASTER}/bonding/slaves 2>/dev/null

	fi

	if [ "${REALDEVICE}" = "${DEVICE}" ]; then

  		ip link set dev ${DEVICE} down 2>/dev/null

	fi

fi

[ "$retcode" = "0" ] && retcode=$?

# wait up to 5 seconds for device to actually come down...

waited=0

while ! check_device_down ${DEVICE} && [ "$waited" -lt 50 ] ; do

    usleep 10000

    waited=$(($waited+1))

done

if [ "$retcode" = 0 ] ; then

    /etc/sysconfig/network-scripts/ifdown-post $CONFIG

    # do NOT use $? because ifdown should return whether or not

    # the interface went down.

fi

if [ -n "$PKEY" ]; then

    # PKey PKEY

    echo "$NEW_PKEY_ID" > /sys/class/net/${PHYSDEV}/delete_child

fi

exit $retcode