6e77c62653
git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@7441 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
291 lines
7.0 KiB
Bash
291 lines
7.0 KiB
Bash
#!/bin/sh
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# IBM(c) 2007 EPL license http://www.eclipse.org/legal/epl-v10.html
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################################################################################
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#
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# aixlitesetup
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# - This script is used to configure the xCAT statelite support
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# for AIX
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#
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###############################################################################
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SL="/.statelite"
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ROOTDIR="/"
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MOUNTDIR="$SL/mnt" # where I mount all the trees.
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PERSISTENT="$SL/persistent"
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TMPDIR="$SL/tmpdir"
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DEFAULT="/.default"
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# statelite table files are in "/"
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# /statelite.table, /litefile.table, /litetree.table
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STATELITE="/statelite.table"
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LITEFILE="/litefile.table"
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LITETREE="/litetree.table"
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LOG="${ROOTDIR}/${SL}/statelite.log"
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# get this node name from the /etc/niminfo file
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INFO=`cat /etc/niminfo | grep 'NIM_HOSTNAME'`
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ME=`echo $INFO | awk -F= '{print $2}'`
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# check the statelite.table file to see if we have
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# a persistent dir to mount.
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ProcessStatelite () {
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for i in `cat $STATELITE | grep -v '^#' | grep $ME`
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do
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SERVER=`echo $i | awk -F'|' '{print $2}'`
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TOMNT=`echo $i | awk -F'|' '{print $3}'`
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# /.statelite/tmpdir
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mkdir -p ${TMPDIR}
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# /.statelite/persistent
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mkdir -p ${PERSISTENT}
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# mount 10.2.0.200:/nodedata /.statelite/persistent
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mount $SERVER:$TOMNT ${PERSISTENT}
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# make a node subdir
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# /.statelite/persistent/<nodename>
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mkdir -p ${PERSISTENT}/${ME}
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done
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}
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# process the litefile table
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ProcessLitefile () {
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for i in `cat $LITEFILE | grep $ME`
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do
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type=`echo $i | awk -F'|' '{print $2}'`
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path=`echo $i | awk -F'|' '{print $3}'`
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FindFile ${path} ${type}
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done
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}
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MountTrees () {
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# ex. /.statelite/mnt
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mkdir -p $MOUNTDIR
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for i in `cat $LITETREE | grep -v '^#' | grep $ME`
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do
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NODE=`echo $i | awk -F'|' '{print $1}'`
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SERV=`echo $i | awk -F'|' '{print $2}'`
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DIR=`echo $i | awk -F'|' '{print $3}'`
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# ex. /.statelite/mnt/10.2.0.200/etc/
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mkdir -p ${MOUNTDIR}/${SERV}${DIR}
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MAX=5
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TRIES=1
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# ex. 10.2.0.200:/etc/ /.statelite/mnt/10.2.0.200/etc/
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while ! mount $SERV:$DIR ${MOUNTDIR}/${SERV}${DIR}
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do
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if [ "$TRIES" = "$MAX" ]
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then
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echo "Cannot mount $i." >/dev/console
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break
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fi
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TRIES=`expr $TRIES + 1`
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S=`expr $RANDOM % 20`
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echo "Can't mount $SERV:$MNT... Sleeping $S seconds then trying agai
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n" >/dev/console
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sleep $S
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done
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done
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}
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ProcessType () {
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#MOUNT=$1 # where this is (ex. /.statelite/mnt/10.2.0.200/etc/FScfg)
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#PATH=$2 # file (ex. /etc/FScfg)
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#TYPE=$3 # type of file (ex. rw)
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#isChild=$4 # child = 1, parent = 0
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PPATH=`dirname ${2}` # ex. /etc
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case "${3}" in
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rw)
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# item is copied from litetree dir or .default location ($1)
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# into local file
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# the local name of the file or directory
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LOCAL=`echo ${2} | sed -e 's/\/$//'`
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# copy to local file or dir
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if [ -d ${1} ]; then
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# if it's a dir then copy all contents to local
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if [ ! -e ${LOCAL} ]; then
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mkdir -p ${LOCAL}
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fi
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if [ "0" -ne `ls -A ${1} | wc -l` ]; then
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cp -r ${1}* ${LOCAL}
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echo "cp -r ${1}* ${LOCAL}" 2>&1 >>$LOG
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fi
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else
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# if file just copy
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if [ ! -e ${LOCAL} ]; then
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FDIR=`dirname ${2}`
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mkdir -p ${FDIR}
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touch ${LOCAL}
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fi
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cp -r ${1} ${LOCAL}
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echo "cp -r ${1} ${LOCAL}" 2>&1 >>$LOG
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fi
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;;
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persistent)
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# the item is copied to the /.statelite/persistent subdir
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# from wherever it is found ( $1 above )
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# the /.statelite/persistent/blah is then mounted
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# over the local /blah
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# ex. /.statelite/persistent/compute02/etc
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if [ ! -d ${PERSISTENT}/${ME}${PPATH} ]; then
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mkdir -p ${PERSISTENT}/${ME}${PPATH}
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echo "mkdir -p ${PERSISTENT}/${ME}${PPATH}" >>$LOG
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fi
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# if the file doesn't exist, then copy it over to persistent
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if [ ! -e ${PERSISTENT}/${ME}${2} ]; then
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echo "cp -r ${1} ${PERSISTENT}/${ME}${2}" >>$LOG
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cp -r ${1} ${PERSISTENT}/${ME}${2} 2>&1 >>$LOG
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fi
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LOCAL=`echo ${2} | sed -e 's/\/$//'`
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SOURCE=`echo ${PERSISTENT}/${ME}${2}`
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if [ ! -e ${LOCAL} ]; then
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if [ -d ${SOURCE} ]; then
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# need to create local dir
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echo "mkdir -p ${LOCAL}" >>$LOG
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mkdir -p ${LOCAL}
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else
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# need to create local file
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FDIR=`dirname ${2}`
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mkdir -p ${FDIR}
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touch ${LOCAL}
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fi
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fi
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# ex. mount /.statelite/persistent/<nodename>/blah /blah
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# note: the dir from the statelite table is mounted over
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# /.statelite/persistent
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# make sure we don't get duplicate mounts
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umount ${LOCAL}>>$LOG 2>&1
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echo "mount ${SOURCE} ${LOCAL}" >>$LOG
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mount ${SOURCE} ${LOCAL}>>$LOG 2>&1
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;;
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ro)
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# mounted file or dir is overmounted over local version
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# $1 - mounted file or directory or default(?)
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# $2 - file or dir name
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# ex. /etc/lppcfg
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LOCAL=`echo ${2} | sed -e 's/\/$//'`
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# ex. /.statelite/mnt/<server>/etc/lppcfg
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SOURCE=`echo ${1} | sed -e 's/\/$//'`
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if [ ! -e ${LOCAL} ]; then
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if [ -d ${SOURCE} ]; then
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# need to create local dir
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echo "mkdir -p ${LOCAL}" >>$LOG
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mkdir -p ${LOCAL}
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else
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# need to create local file
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touch ${LOCAL}
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fi
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fi
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# make sure we don't get duplicate mounts
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umount ${LOCAL}>>$LOG 2>&1
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echo "mount -o ro ${SOURCE} ${LOCAL}" >>$LOG 2>&1
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# ex. mount -o /.statelite/mnt/<server>/etc/lppcfg /etc/lppcfg
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mount -o ro ${SOURCE} ${LOCAL}>>$LOG 2>&1
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;;
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*)
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;;
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esac
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}
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FindFile () {
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# $1 = Pathname to locate
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# $2 = Type of file
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# $3 = 0 or 1: 0 means parent, 1 means child
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path=$1
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type=$2
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isChild=$3
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FOUND=0
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# this assumes the dir are already in priority order
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for i in `cat $LITETREE | grep -v '^#' | grep $ME`
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do
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SERVER=`echo $i | awk -F'|' '{print $2}'`
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DIR=`echo $i | awk -F'|' '{print $3}'`
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NAME=`basename ${1}`
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SRC=`echo ${MOUNTDIR}/${SERVER}${DIR}/${NAME} | sed -e 's/\/\//\//'`
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# ex. /.statelite/mnt/10.2.0.200/etc/FScfg
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if [ -e ${SRC} ]; then
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FOUND=1
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ProcessType ${SRC} ${path} ${type} ${isChild}
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break
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fi
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done
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# Default behavior is to get from the image
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if [ "$FOUND" = "0" ]; then
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if [ -e "${DEFAULT}${path}" ]; then
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ProcessType ${DEFAULT}${path} ${path} ${type} ${isChild}
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else
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echo "Could not find ${path} in defaults or any other place" >/dev/console
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fi
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fi
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}
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###########################################################################
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# Start / MAIN / main
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###########################################################################
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# mount the persistent dir - if provided
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ProcessStatelite
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# mount all the dirs from the litetree table.
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MountTrees
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# process the litefile table
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ProcessLitefile
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# Unmount dirs no longer needed - TBD
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#UnmountTrees
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exit 0
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