xcat-core/xCAT/postscripts/enablekdump

#!/bin/bash
# IBM(c) 2007 EPL license http://www.eclipse.org/legal/epl-v10.html
#(C)IBM Corp
# 

# create /etc/sysconfig/network-scripts/
for i in `/bin/cat /proc/cmdline`; do
    KEY=`/bin/echo $i  | /bin/awk -F= '{print $1}'`
    if [ "$KEY" = "ifname" ]; then
        ifname=`/bin/echo $i | /bin/awk -F= '{print $2}'`
        MACX=${ifname#*:}
        ETHX=${ifname%:$MACX*}
        break
    elif [ "$KEY" = "netdev" ]; then
        ETHX=`/bin/echo $i | /bin/awk -F= '{print $2}'`
        MACX=`/sbin/ip link show $netdev | /bin/grep ether | /bin/awk '{print $2}'`
        break
    elif [ "$KEY" = "BOOTIF" ]; then
        MACX=`/bin/echo $i | /bin/awk -F= '{print $2}'`
        ETHX=`/sbin/ifconfig | /bin/grep -i $MACX | /bin/awk '{print $1}'`
        break
    fi
done

if [ ! -z "$MACX" ] && [ ! -z "$ETHX" ]; then
    if [ ! -e $MNTDIR/etc/sysconfig/network-scripts/ifcfg-$ETHX ]; then
        /bin/touch $MNTDIR/etc/sysconfig/network-scripts/ifcfg-$ETHX
    fi
    echo "DEVICE=$ETHX" > $MNTDIR/etc/sysconfig/network-scripts/ifcfg-$ETHX
    echo "BOOTPROTO=dhcp" >> $MNTDIR/etc/sysconfig/network-scripts/ifcfg-$ETHX
    echo "HWADDR=$MACX" >> $MNTDIR/etc/sysconfig/network-scripts/ifcfg-$ETHX
    echo "ONBOOT=yes" >> $MNTDIR/etc/sysconfig/network-scripts/ifcfg-$ETHX
fi


for i in `cat /proc/cmdline`; do
    KEY=`echo $i | awk -F= '{print $1}'`
    if [ "$KEY" = "dump" ]; then
        DUMP=`echo $i |awk -F= '{print $2}'`
        if [ ! -z "$XCAT" ]; then
            break
        fi
    elif [ "$KEY" = "XCAT" ]; then
        XCAT=`echo $i |awk -F= '{print $2}'`
        if [ ! -z "$DUMP" ]; then
            break
        fi
    fi
done

if [ ! -z "$DUMP" ]; then
    # parse "dump=<proto>://<nfsserver_IP>/<directory>"
    KDPATH=${DUMP#*:}
    KDPROTO=${DUMP%:$KDPATH*}
    
    KDPATH=${KDPATH/\/\//}
    KDIP=`echo $KDPATH | cut -d'/' -f1`
    KDPATH=${KDPATH/$KDIP/}

    # if "dump=<proto>:///<directory>", use $xcatmaster as the default NFS server
    if [ -z $KDIP ]; then
        KDIP=${XCAT%:*}
    fi

    if [ "$KDPROTO" = "nfs" ]; then
        echo "net $KDIP:$KDPATH" > /etc/kdump.conf
    fi

    # workaround for RHEL6
    # the $KDIP:$KDPATH directory will be used to generate the initrd for kdump service
    /bin/mount $KDIP:$KDPATH /var/tmp

    /etc/init.d/kdump restart

    /bin/umount /var/tmp
else
    /bin/echo "The kdump server is not configured"
fi

exit 0