xcat-core/xCAT/postscripts/enablekdump
2012-03-28 07:12:18 +00:00

110 lines
3.2 KiB
Bash
Executable File

#!/bin/bash
# IBM(c) 2007 EPL license http://www.eclipse.org/legal/epl-v10.html
#(C)IBM Corp
#
# create /etc/sysconfig/network-scripts/
pmatch ()
{
case $1 in
$2) return 0;; # zero return code means string matched by pattern
esac
return 1 # non-zero return code means string not matched by pattern
}
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 $ETHX | /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 (pmatch $OSVER "sles*") || (pmatch $OSVER "suse*") || [ -f /etc/SuSE-release ]; then
CONFFILE=$MNTDIR/etc/sysconfig/network/ifcfg-$ETHX
fi
if (pmatch $OSVER "fedora*") || (pmatch $OSVER "rhel6*") || (pmatch $OSVER "rhels6*") || [ -f /etc/fedora-release ] || [ -f /etc/redhat-release ];then
CONFFILE=$MNTDIR/etc/sysconfig/network-scripts/ifcfg-$ETHX
fi
if [ ! -e $CONFFILE ]; then
/bin/touch $CONFFILE
fi
echo "DEVICE=$ETHX" > $CONFFILE
echo "BOOTPROTO=dhcp" >> $CONFFILE
echo "HWADDR=$MACX" >> $CONFFILE
echo "ONBOOT=yes" >> $CONFFILE
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
# workaround for RHEL6
# the $KDIP:$KDPATH directory will be used to generate the initrd for kdump service
MOUNTPATH=""
if (pmatch $OSVER "*6\.." ); then
MOUNTPATH="/tmp"
else
MOUNTPATH="/var/tmp"
fi
/bin/mount $KDIP:$KDPATH $MOUNTPATH
if [ "$KDPROTO" = "nfs" ]; then
if (pmatch $OSVER "sles*") || (pmatch $OSVER "suse*") || [ -f /etc/SuSE-release ]; then
KDPATH=${KDPATH//\//\\\/}
KDPATH="nfs:\/\/${KDIP}${KDPATH}"
sed -i "s/^KDUMP_TRANSFER=.*$/KDUMP_TRANSFER=\"${KDPATH}\"/" /etc/sysconfig/kdump
/etc/init.d/boot.kdump restart
else
if (pmatch $OSVER "fedora*") || (pmatch $OSVER "rhel6*") || (pmatch $OSVER "rhels6*") || [ -f /etc/fedora-release ] || [ -f /etc/redhat-release ];then
echo "net $KDIP:$KDPATH" > /etc/kdump.conf
/etc/init.d/kdump restart
fi
fi
fi
/bin/umount $MOUNTPATH
else
/bin/echo "The kdump server is not configured"
fi
exit 0