echo ARP=no >> /etc/sysconfig/network-scripts/ifcfg-eth0 # Get hostname export HOSTNAME=$(host $IP 2>/dev/null | awk '{print $5}' | awk -F. '{print $1}') hostname $HOSTNAME # Run xcat postscripts # Master/service node set by nodeset export MASTER_IPS=( replace_master ) export MASTER=replace_master cd /tmp RAND=$(perl -e 'print int(rand(50)). "\n"') sleep $RAND # Loop through the master/service nodes for i in $(seq 1 20) do GOTIT=0 for i in $MASTER_IPS do # Download postscripts from FTP server wget -l inf -N -r --waitretry=10 --random-wait --retry-connrefused -t 0 -T 60 ftp://$i/postscripts if [ "$?" = "0" ]; then # Exit if openssl is not executable if [ ! -x /usr/bin/openssl ]; then exit 1 fi USEOPENSSLFORXCAT=1 export USEOPENSSLFORXCAT # Get xcat server XCATSERVER=$i:3001 export XCATSERVER # Move postscritps into /xcatpost mv $i/postscripts /xcatpost # Remove postscritps rm -rf $i # Make postscripts executable chmod +x /xcatpost/* # Get postscript to run on this node from xcat server /xcatpost/getpostscript.awk |sed -e 's/<[^>]*>//g'|egrep -v '^ *$'|sed -e 's/^ *//' > /tmp/mypostscript MYCONT=`grep MASTER /tmp/mypostscript` MAX_RETRIES=10 RETRY=0 while [ -z "$MYCONT" ]; do RETRY=$(($RETRY+1)) if [ $RETRY -eq $MAX_RETRIES ] then break fi # Sleep a couple of seconds before trying again let SLI=$RANDOM%10+10 sleep $SLI # Get postscript to run on this node from xcat server /xcatpost/getpostscript.awk |sed -e 's/<[^>]*>//g'|egrep -v '^ *$'|sed -e 's/^ *//' > /tmp/mypostscript MYCONT=`grep MASTER /tmp/mypostscript` done # Make executable chmod +x /tmp/mypostscript GOTIT=1 break fi done # If postscripts for this node are found if [ "$GOTIT" = "1" ]; then # Save the master/service node to /opt/xcat/xcatinfo file if [ ! -f /opt/xcat/xcatinfo ]; then mkdir -p /opt/xcat touch /opt/xcat/xcatinfo fi echo "XCATSERVER=$i" > /opt/xcat/xcatinfo break fi RAND=$(perl -e 'print int(rand(5)). "\n"') sleep $RAND done cd /xcatpost export PATH=/xcatpost:$PATH # Save post boot scripts to /tmp/mypostscript.post TMP=`sed "/postscripts-start-here/,/postscripts-end-here/ d" /tmp/mypostscript` echo "$TMP" > /tmp/mypostscript.post chmod 755 /tmp/mypostscript.post # Create post init cat >/etc/init.d/xcatpostinit1 << 'EOF' # Install directory variable set by nodeset replace_install_dir/postscripts/xcatpostinit1 EOF # Change permissions chmod 755 /etc/init.d/xcatpostinit1 # Create post install mkdir -p /opt/xcat cat >/opt/xcat/xcatinstallpost << 'EOF' # Install directory variable set by nodeset replace_install_dir/postscripts/xcatinstallpost chkconfig xcatpostinit1 off EOF chmod 755 /opt/xcat/xcatinstallpost chkconfig --add xcatpostinit1 # Only run preboot scripts here TMP=`sed "/postbootscripts-start-here/,/postbootscripts-end-here/ d" /tmp/mypostscript` echo "$TMP" > /tmp/mypostscript /tmp/mypostscript # Master/service node variable set by nodeset updateflag.awk replace_master 3002 cd / exit 0