#! /bin/ksh
#
# installation script for globus_resource_management_bundle-server
#

if [[ $1 = "" ]]
  then
  kit_location="`/usr/bin/dirname $0`/.."
  else
  kit_location=$1
fi
  
# Because the update procedure potentially (very high likelyhood)
# needs to replace shared libraries or other package dependent rpm's
# (temporarily breaking packages), we can only perform those upgrades
# by making use of the --nodeps flag, otherwhise RPM will refuse to
# install them. The --nodeps flag should only be necessary while we're
# called via the upgrade-packages.ksh script. It is quite possible
# that this particular package does not require the --nodeps flag
# during the upgrade procedure, but rather than chance an oversight
# (it is difficult to test all permutations as the upgrade procedure
# is performed on a random list), the --nodeps flag is employed for
# virtually all packages during the upgrade step.
if [[ $3 = "Upgrade" ]]
  then
  depsflag="--nodeps"
fi

#
#  First let's make sure we have superuser privilege
#
if [ `whoami` != "root" ]
       then
       echo "You must be superuser to run this script"
       exit 1
fi

#
# We need to ensure that it's a V5.1 or V5.1A system...
#
OS_VERSION=`/usr/sbin/sizer -v | cut -d" " -f 4 | cut -b 2-5`

if [[ $OS_VERSION < "5.1" ]]
  then 
  echo "You need Tru64 UNIX V5.1 to install any of the"
  echo "rpm kits from this CD-ROM!"
  echo "Please refer to the /mnt/README file for instructions"
  echo
  exit 1
fi

# let's make sure that there's a /tmp directory

if [[ ! -d /tmp ]]
   then
   echo "directory /tmp was not found."
   echo "This script requires a writable /tmp directory"
   echo "Exiting globus_resource_management_bundle-server installation script..."
   echo
   exit 1
fi

if [[ ! -w /usr/tmp ]]
   then
   echo "directory /tmp is not writable."
   echo "This script requires a writable /tmp directory"
   echo "Exiting globus_resource_management_bundle-server installation script..."
   echo
   exit 1
fi

# let's make sure that there's a /usr/local directory

if [[ ! -d /usr/local ]]
   then
   echo "directory /usr/local was not found."
   echo "rather than create a /usr/local directory for you,"
   echo "you are advised to mount a separate (from /usr) 800Mb+ file system"
   echo "at /usr/local ."
   echo "Exiting globus_resource_management_bundle-server installation script..."
   echo
   exit 1
fi

if [[ ! -w /usr/local ]]
   then
   echo "directory /usr/local is not writable."
   echo "Exiting globus_resource_management_bundle-server installation script..."
   echo
   exit 1
fi

# Need to ensure that /usr/local is not an nfs mounted file system:
/sbin/mount -t nfs | awk '$3=="/usr/local"{exit 1}'
if [ $? != 0 ]; then
   echo "This script cannot install this kit to an NFS mounted file system."
   echo "Exiting globus_resource_management_bundle-server installation script..."
   echo 
   exit 1
fi

# This (as well as all "globus bundles") requires that gpt-1.0, an NON-RPM
# package be pre-installed.

  echo "Checking if prerequisite gpt-1.0 is already installed..."
  if [[ ! -f /usr/local/globus/sbin/globus-install ]]
  then   
  echo
  echo "Could not find the prerequisite gpt-1.0 files on this"
  echo "system."
  echo
  echo "Because gpt-1.0 is not in rpm format, you will need to"
  echo "manually invoke the /mnt/SETUP/install-gpt-1.0.ksh"
  echo "script before reinvoking this script."
  echo
  echo "Exiting globus_resource_management_bundle-server installation script..."
  echo
  exit
  fi           

#
# Now let's check for required free space.
# 

# Each of the "globus bundles" includes files that are also contained in
# other "globus bundles". The /usr/local/globus/sbin/globus-install
# script reconciles the overlap, but calculating the space requirement
# for individual bundles can differ depending on the order in which a 
# bundle gets installed. The "required space" figure used in this script
# was determined by performing the installation of this bundle as the 
# "first" (thus the actual required space may be less if other bundles
# are already installed when this script is called.

# globus_resource_management_bundle-server   requires  11296768 bytes in /usr/local

Required_space=11296768  

  space_avail="`/sbin/df /tmp | tail -1 | awk '{print $4}'`"
  let  "space_avail=space_avail*512"
  if (( $space_avail < $Required_space ))
   then
   echo 
   echo "The amount of required free space to Install the"
   echo "globus_resource_management_bundle-server"
   echo "on this system is: $Required_space bytes"
   echo
   echo "Sorry, you don't have enough space to install the"
   echo "globus_resource_management_bundle-server"
   echo
   echo "Exiting globus_resource_management_bundle-server installation script..."
   echo
   exit 1
   else
      if [[ $2 != quiet ]]
      then
      echo
      echo "The amount of required free space to install"
      echo "globus_resource_management_bundle-server"
      echo "on this system is: $Required_space bytes, leaving you with"
 
      let "Remaining_space=$space_avail-$Required_space"
 
      echo "$Remaining_space bytes free in your /usr/local file system"
      echo

      echo "Do you want to continue? [y/n]: \c"
      read answer
      echo
  	if [ "$answer" = "n" ] || [ "$answer" = "N" ]
  	  then exit
  	fi
  	if [ "$answer" != "y" -a "$answer" != "Y" ]
  	  then
  	  echo "Response $answer is not recognized, "
  	  echo "Exiting globus_resource_management_bundle-server installation script..."
  	  echo
  	  exit 1
  	fi
      fi
   fi  
   
#
# Installing globus_resource_management_bundle-server kit...
#
  
  GLOBUS_LOCATION=/usr/local/globus; export GLOBUS_LOCATION
  GPT_LOCATION=/usr/local/globus; export GPT_LOCATION  

  /usr/local/globus/sbin/globus-install \
  $kit_location/GLOBUS/globus_resource_management_bundle-server-osf1-alpha-vendorcc64.tar.gz

# !!!!!!!!!!!!!!!!!!!!!!! NEED TO CHANGE THIS !!!!!!!!!!!!!!!!!!!!!
  if [[ -f /usr/local/globus/sbin/globus-install ]]
  then   
  echo
  echo "globus_resource_management_bundle-server is now installed on this system."
  echo
  echo "       -----------------------------------------------------------"
  echo
  else    
  echo
  echo "An unknown ERROR was encountered. This script FAILED to"
  echo "install globus_resource_management_bundle-server on your system !!"
  echo 
  echo
  exit
  fi 
    
  exit