32cfb9c76f
git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@10041 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
431 lines
11 KiB
Bash
431 lines
11 KiB
Bash
#!/bin/ksh
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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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ELIST=[] # entry list, each entry will contain the type and the path
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# get this node name from the /etc/niminfo file
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INFO=`/usr/bin/cat /etc/niminfo | grep 'NIM_HOSTNAME'`
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ME=`echo $INFO | /usr/bin/awk -F= '{print $2}' | /usr/bin/awk -F. '{print $1}'`
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if [ ! -s ${STATELITE} ]; then
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echo "no ${STATELITE} file"
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echo "no ${STATELITE} file" >>$LOG
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exit 0
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fi
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if [ ! -s ${LITEFILE} ]; then
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echo "no ${LITEFILE} file"
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echo "no ${LITEFILE} file" >>$LOG
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exit 0
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fi
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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 `/usr/bin/cat $STATELITE | /usr/bin/grep -v '^#' | /usr/bin/grep $ME`
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do
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SERVER=`echo $i | /usr/bin/awk -F'|' '{print $2}'`
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TOMNT=`echo $i | /usr/bin/awk -F'|' '{print $3}'`
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OPTS=`echo $i | /usr/bin/awk -F'|' '{print $4}'`
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# ndebug
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if [ "$OPTS" = "" ]; then
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MNTOPTS=" -o llock "
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else
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MNTOPTS=" -o llock -o $OPTS "
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fi
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# /.statelite/tmpdir
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if [ ! -d ${TMPDIR} ]; then
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mkdir -m 755 -p ${TMPDIR}
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fi
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# /.statelite/persistent
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if [ ! -d ${PERSISTENT} ]; then
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mkdir -m 755 -p ${PERSISTENT}
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fi
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# mount 10.2.0.200:/nodedata /.statelite/persistent
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/usr/sbin/mount ${MNTOPTS} $SERVER:$TOMNT ${PERSISTENT}
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# make a node subdir
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# /.statelite/persistent/<nodename>
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if [ ! -d ${PERSISTENT}/${ME} ]; then
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mkdir -m 755 -p ${PERSISTENT}/${ME}
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fi
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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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let j=0
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for i in `/usr/bin/cat $LITEFILE | /usr/bin/grep $ME`
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do
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type=`echo $i | /usr/bin/awk -F'|' '{print $2}'`
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path=`echo $i | /usr/bin/awk -F'|' '{print $3}'`
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# entry list one line per element
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ELIST[$j]="$type $path";
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let j=j+1;
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done
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# number of entries(lines) in file
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num=${#ELIST[@]}
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let i=0
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while [ $i -lt $num ]; do
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set -- ${ELIST[$i]}
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etype=$1
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epath=$2
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# ex. for /etc/foo the parent is /etc/
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parent="`/usr/bin/dirname $epath`/"
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let efound=0
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let ptype=0
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let ppath=0
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while [ "$parent" != "//" ]; do
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let j=0
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while [ $j -lt $num ]; do
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set -- ${ELIST[$j]}
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jtype=$1
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jpath=$2
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# see if a parent is also one of the file entries
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if [ "$parent" = "$jpath" ]; then
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efound=1
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ptype=$jtype
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ppath=$jpath
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break 2
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fi
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let j=j+1;
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done
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parent="`/usr/bin/dirname $parent`/"
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done
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if [ "$efound" = "1" ]; then
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# found a parent & child on the list
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cantdo=0
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# check options
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# can't do any child that has parent of ro
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if [ "$ptype" = "ro" ]; then
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echo "Cannot add child ($epath) when parent ($ppath) has 'ro' option." >>$LOG
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cantdo=1
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fi
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# a persistent parent can't have a ro child
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if [ "$ptype" = "persistent" ]; then
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if [ "$etype" = "ro" ]; then
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echo "Cannot add child ($epath) with 'ro' option when parent ($ppath) has 'persistent' option." >>$LOG
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cantdo=1
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fi
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fi
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if [ $cantdo -eq 0 ]; then
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# ok - # put the child on into CLIST
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cnum=${#CLIST[@]}
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CLIST[$cnum]=${ELIST[$i]}
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fi
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else
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# add the parents and the entries with no parents to PLIST
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let pfound=0
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let pnum=${#PLIST[@]}
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let k=0
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while [ $k -lt $pnum ]; do
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if [ "${PLIST[$k]}" = "${path}" ]; then
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pfound=1
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fi
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let k=k+1
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done
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if [ "$pfound" = "0" ]; then
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# put it into PLIST
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let plnum=${#PLIST[@]}
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PLIST[$plnum]=${ELIST[$i]}
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fi
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fi
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let i=i+1;
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done
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plistnum=${#PLIST[@]}
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n=0
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while [ $n -lt $plistnum ]; do
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set -- ${PLIST[$n]}
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FindFile ${2} ${1} 0
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let n=n+1
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done
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plistnum=${#CLIST[@]}
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m=0
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while [ $m -lt $plistnum ]; do
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set -- ${CLIST[$m]}
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FindFile ${2} ${1} 1
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let m=m+1
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done
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}
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# mount the required directories from the server
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MountTrees () {
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# ex. /.statelite/mnt
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if [ ! -d ${MOUNTDIR} ]; then
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/usr/bin/mkdir -m 755 -p $MOUNTDIR
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fi
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for i in `/usr/bin/cat $LITETREE | /usr/bin/grep -v '^#' | /usr/bin/grep $ME`
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do
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NODE=`echo $i | /usr/bin/awk -F'|' '{print $1}'`
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SERV=`echo $i | /usr/bin/awk -F'|' '{print $2}'`
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DIR=`echo $i | /usr/bin/awk -F'|' '{print $3}'`
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if [ ! -d ${MOUNTDIR}/${SERV}${DIR} ]; then
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# ex. /.statelite/mnt/10.2.0.200/etc/
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/usr/bin/mkdir -m 755 -p ${MOUNTDIR}/${SERV}${DIR}
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fi
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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 ! /usr/sbin/mount -o llock $SERV:$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 $S seconds then trying again" >>$LOG
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sleep $S
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done
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done
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}
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# mount the files or directories as requested
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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=`/usr/bin/dirname ${2}` # ex. /etc
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case "${3}" in
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rw)
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# item is mounted from litetree dir or .default location ($1)
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# onto local file
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# the local name of the file or directory
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LOCAL=`echo ${2} | /usr/bin/sed -e 's/\/$//'`
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if [ -d ${1} ]; then
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# if it's a dir
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if [ ! -e ${LOCAL} ]; then
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/usr/bin/mkdir -m 755 -p ${LOCAL}
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fi
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else
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# if file
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if [ ! -e ${LOCAL} ]; then
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FDIR=`/usr/bin/dirname ${2}`
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/usr/bin/mkdir -m 755 -p ${FDIR}
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/usr/bin/touch ${LOCAL}
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fi
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fi
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# ex. /.statelite/mnt/<server>/etc/lppcfg
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SOURCE=`echo ${1} | /usr/bin/sed -e 's/\/$//'`
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# make sure we don't get duplicate mounts
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/usr/sbin/umount ${LOCAL}>>$LOG > /dev/null > /dev/null 2>&1
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echo "/usr/sbin/mount ${SOURCE} ${LOCAL}" >>$LOG
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/usr/sbin/mount ${SOURCE} ${LOCAL}>>$LOG 2>&1
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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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/usr/bin/mkdir -m 755 -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 -p -r ${1} ${PERSISTENT}/${ME}${2}" >>$LOG
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/usr/bin/cp -p -r ${1} ${PERSISTENT}/${ME}${2} 2>&1 >>$LOG
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fi
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LOCAL=`echo ${2} | /usr/bin/sed -e 's/\/$//'`
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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 -m 755 -p ${LOCAL}" >>$LOG
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/usr/bin/mkdir -m 755 -p ${LOCAL}
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else
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# need to create local file
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FDIR=`/usr/bin/dirname ${2}`
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if [ ! -d ${FDIR} ]; then
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/usr/bin/mkdir -m 755 -p ${FDIR}
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fi
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/usr/bin/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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/usr/sbin/umount ${LOCAL}>>$LOG > /dev/null 2>&1
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echo "/usr/sbin/mount ${SOURCE} ${LOCAL}" >>$LOG
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/usr/sbin/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 ${2} | /usr/bin/sed -e 's/\/$//'`
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# ex. /.statelite/mnt/<server>/etc/lppcfg
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SOURCE=`echo ${1} | /usr/bin/sed -e 's/\/$//'`
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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 -m 755 -p ${LOCAL}" >>$LOG
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/usr/bin/mkdir -m 755 -p ${LOCAL}
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else
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# need to create local file
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GDIR=`/usr/bin/dirname ${2}`
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if [ ! -d ${GDIR} ]; then
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/usr/bin/mkdir -m 755 -p ${GDIR}
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fi
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/usr/bin/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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/usr/sbin/umount ${LOCAL}>>$LOG > /dev/null 2>&1
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echo "/usr/sbin/mount -o ro ${SOURCE} ${LOCAL}" >>$LOG 2>&1
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# ex. mount -o ro /.statelite/mnt/<server>/etc/lppcfg /etc/lppcfg
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/usr/sbin/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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# find a source for the file or directory
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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 in the
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# /litetree.table file
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for i in `/usr/bin/cat $LITETREE | /usr/bin/grep -v '^#' | /usr/bin/grep $ME`
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do
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SERVER=`echo $i | /usr/bin/awk -F'|' '{print $2}'`
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DIR=`echo $i | /usr/bin/awk -F'|' '{print $3}'`
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SRC=`echo ${MOUNTDIR}/${SERVER}${DIR}${path} | /usr/bin/sed -e 's/\/\//\//'`
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# ex. SRC = /.statelite/mnt/10.2.0.200/etc/FScfg
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# or /.statelite/mnt/10.2.0.200/root/ssh/
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if [ -e ${SRC} ]; then
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# ok - we found a src for the file or dir
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PATHEND=${#path}
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CHAREND=`echo ${path} | /usr/bin/cut -c${PATHEND}`
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if [ "${CHAREND}" != '/' ] && [ -d ${SRC} ]; then
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FOUND=0
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continue
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fi
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if [ "${CHAREND}" = "/" ] && [ -f ${SRC} ]; then
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FOUND=0
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continue
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fi
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FOUND=1
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ProcessType ${SRC} ${path} ${type} ${isChild}
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break
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fi
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done
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# couldn't find SRC so use the value in /.default
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# Default behavior is to get from the image
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if [ "$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 ${path}" >>$LOG
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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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exit 0
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