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