xcat-core/xCAT/postscripts/enablekdump
xq2005 63747071a1 support kdump on sles10
git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@14296 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
2012-11-09 10:13:20 +00:00

195 lines
7.2 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
if (pmatch $ETHX "hf*") ; then
IP=`/sbin/ifconfig $ETHX | /bin/grep -i "inet addr" | awk '{print $2}' | awk -F: '{print $2}'`
MASK=`/sbin/ifconfig $ETHX | /bin/grep -i "inet addr" | awk '{print $4}' | awk -F: '{print $2}'`
echo "DEVICE=$ETHX" > $CONFFILE
echo "BOOTPROTO=static" >> $CONFFILE
echo "HWADDR=$MACX" >> $CONFFILE
echo "ONBOOT=yes" >> $CONFFILE
echo "IPADDR=$IP" >> $CONFFILE
echo "NETMASK=$MASK" >> $CONFFILE
else
echo "DEVICE=$ETHX" > $CONFFILE
echo "BOOTPROTO=dhcp" >> $CONFFILE
echo "HWADDR=$MACX" >> $CONFFILE
echo "ONBOOT=yes" >> $CONFFILE
fi
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 $OSVER "*6\.*" ); then
MOUNTPATH="/tmp"
else
MOUNTPATH="/var/tmp"
fi
if [ "$KDPROTO" = "nfs" ]; then
if (pmatch $OSVER "sles*") || (pmatch $OSVER "suse*") || [ -f /etc/SuSE-release ]; then
if (pmatch $OSVER "*10*"); then
#run mkinitrd to generater the kdump-init base
/sbin/mkinitrd -m "nfs nfs be2net e1000e ibmveth igb firmware_class tg3 e1000"
/bin/mkdir -p /var/tmp/tempinit
cd /boot/
KDUMPINIT=`ls initrd-*-kdump`
/bin/cp /boot/${KDUMPINIT} /var/tmp/tempinit/
#change to the /var/tmp/tempinit/ directory
cd /var/tmp/tempinit/
/bin/zcat ${KDUMPINIT} | /bin/cpio -id
/bin/rm -f ${KDUMPINIT}
mkdir -p ./var/lib/dhcpcd/
/bin/cp -r /lib/* ./lib/
/bin/cp "/sbin/ifconfig" "./bin/"
/bin/cp "/usr/bin/clear" "./bin/"
/bin/cp "/bin/touch" "./bin/"
/bin/cp "/bin/grep" "./bin/"
/bin/cp "/sbin/dhcpcd" "./bin/"
/bin/cp "/sbin/ip" "./bin/"
/bin/cp "/bin/awk" "./bin/"
/bin/cp "/bin/makedumpfile" "./bin/"
#modify the original init to support dump to an nfs server
cat > ./bin/dumpfile << EOF
#!/bin/bash
if [ -e /proc/vmcore ];then
/bin/touch /var/lib/dhcpcd/dhcpcd-$ETHX.info
/bin/dhcpcd $ETHX
while ! /bin/ifconfig | /bin/grep inet; do
echo -e "Failed to acquire address, retrying"
/bin/sleep 2
/bin/dhcpcd $ETHX
done
HOSTNAME=`hostname`
/bin/mkdir /mnt
/bin/mount -t nfs -o nolock ${KDIP}:${KDPATH} /mnt
/bin/makedumpfile -c /proc/vmcore /mnt/$HOSTNAME
/bin/umount -l /mnt
/sbin/reboot -d -f
fi
EOF
chmod a+x ./bin/dumpfile
/bin/sed -i "s/^# No multipath support/ \/bin\/dumpfile\n/" ./init
/bin/rm -f /boot/${KDUMPINIT}
/usr/bin/find . | cpio -H newc -o|gzip -9 -c - > /boot/${KDUMPINIT}
cd /
/bin/rm -rf "/var/tmp/tempinit"
service kdump restart
else
/bin/mount -o nolock $KDIP:$KDPATH $MOUNTPATH
KDTEMPPATH=${KDPATH//\//\\\/}
KDTEMPPATH="nfs:\/\/${KDIP}${KDTEMPPATH}\/${NODE}"
sed -i "s/^KDUMP_SAVEDIR=.*$/KDUMP_SAVEDIR=\"${KDTEMPPATH}\"/" /etc/sysconfig/kdump
sed -i "s/^KDUMP_COPY_KERNEL=.*$/KDUMP_COPY_KERNEL=\"no\"/" /etc/sysconfig/kdump
sed -i "s/^KDUMP_PRESCRIPT=.*$/KDUMP_PRESCRIPT=\"\/tmp\/createdir\"/" /etc/sysconfig/kdump
sed -i "s/^KDUMP_REQUIRED_PROGRAMS=.*$/KDUMP_REQUIRED_PROGRAMS=\"\/tmp\/createdir\"/" /etc/sysconfig/kdump
TEMPDELAY=$(($RANDOM%30))
#work around for the kdump on sles 11.2
echo "/bin/mkdir -p /root/tmp/" > /tmp/createdir
#following 5 lines is the work around for kdump on multiply nodes
echo "/bin/sleep ${TEMPDELAY}" >> /tmp/createdir
echo "/bin/mount -o nolock ${KDIP}:${KDPATH} /tmp" >> /tmp/createdir
echo "/bin/mkdir -p /tmp/${NODE}" >> /tmp/createdir
echo "/bin/sleep ${TEMPDELAY}" >> /tmp/createdir
echo "/bin/umount /tmp" >> /tmp/createdir
/bin/chmod 777 /tmp/createdir
#change the mount and remount shell scripts' name, workaround for kdump on stateless node
oldmount=`ls /lib/mkinitrd/boot/*-mount.sh`
oldremount=`ls /lib/mkinitrd/boot/*-remount.sh`
mv $oldmount ${oldmount}.bak
mv $oldremount ${oldremount}.bak
/etc/init.d/boot.kdump restart
mv ${oldmount}.bak $oldmount
mv ${oldremount}.bak $oldremount
fi
else
if (pmatch $OSVER "fedora*") || (pmatch $OSVER "rhel6*") || (pmatch $OSVER "rhels6*") || [ -f /etc/fedora-release ] || [ -f /etc/redhat-release ];then
/bin/mount -o nolock $KDIP:$KDPATH $MOUNTPATH
echo "net $KDIP:$KDPATH" > /etc/kdump.conf
echo "link_delay 180" >> /etc/kdump.conf
/etc/init.d/kdump restart
fi
fi
fi
/bin/umount -l $MOUNTPATH
else
/bin/echo "The kdump server is not configured"
fi
exit 0