#!/bin/bash
#
# Automated installation and patching of a per-user ArcGIS Server 10.1
# for Linux to be used in standalone fashion.
#
# (1) Install the software non-interactively
# (2) Kill any processes the installer started (license manager)
# (3) Patch the init_Xvfb.sh script to behave more nicely
# (4) Emit a Python shell startup script for the end user
#
# Copyright (c) 2013
# Dr. Jeffrey Frey
# Network & Systems Services, University of Delaware
# Newark, DE  19716
#
# $Id: install-arcgis-10.1,v 1.1 2013/06/20 16:48:54 frey Exp $
#

#
# Base directory for our installation bits:
#
DATADIR=/opt/shared/arcgis/data/10.1

#
# The installation bits themselves:
#
PROVISIONING_FILE="${DATADIR}/ArcGISforServerAdvancedEnterprise_server_194954.prvc"
INSTALL_PACKAGE="${DATADIR}/ArcGIS_Server_Ent_Linux_101_129046"

#
# Due to memory limits on the head node and the installer's use of
# a memory hungry Java VM, installation must be done on a compute node.
# If running on a compute node via qlogin, then use the temp directory
# Grid Engine gave us.  Otherwise, use the /scratch disk.
#
HOST=`/bin/hostname | grep '^n[0-9]\{3\}$'`
if [ -n "$HOST" ]; then
  # Don't use /tmp for unpacking the files!
  if [ -n "$TMPDIR" ]; then
    IATEMPDIR="$TMPDIR"
  else
    IATEMPDIR=/scratch
  fi
  export IATEMPDIR
fi

#
# Collect and validate our command line arguments:
#
INSTALLDIR="$1"
if [ -z "$1" ]; then
  echo "usage:"
  echo ""
  echo "  $0 <install-directory>"
  echo ""
  exit 1
fi
if [ ! -d "$INSTALLDIR" ]; then
  mkdir -p $INSTALLDIR
  if [ $? -ne 0 ]; then
    echo "ERROR:  could not create $INSTALLDIR"
    exit 1
  fi
else
  if [ ! -w "$INSTALLDIR" ]; then
    echo "ERROR:  cannot write to $INSTALLDIR"
    exit 1
  fi
fi

ORIGDIR=`pwd`
cd "$INSTALLDIR"
INSTALLDIR=`pwd`

#
# The installer needs a Java VM in order to execute:
#
if [ -z `type -t vpkg_require` ]; then
  source /etc/profile.d/valet.sh
fi
vpkg_require openjdk

#
# Run the installer:
#
"${INSTALL_PACKAGE}/ArcGISServer/Setup" \
	--mode silent \
	--directory "$INSTALLDIR" \
	--license-agreement Yes \
	--authorization-file "$PROVISIONING_FILE" \
	2> /dev/null
if [ $? -ne 0 ]; then
  echo "Installation failed, removing ${INSTALLDIR}/arcgis..."
  rm -rf "${INSTALLDIR}/arcgis"
  cd "$ORIGDIR"
  exit 1
fi

#
# Kill any software the installer started for us:
#
HOW_MANY=`pgrep -f "${INSTALLDIR}/arcgis/server" | wc -l`
if [ -n "$HOW_MANY" -a $HOW_MANY -gt 0 ]; then
  echo ""
  echo "Killing $HOW_MANY process(es) started by the installer..."
  pkill -9 -f "${INSTALLDIR}/arcgis/server"
fi

# Patch the init_Xvfb.sh script:
echo ""
echo "Patching the init_Xvfb.sh script..."
base64 --decode <<EOT | patch --input=- "${INSTALLDIR}/arcgis/server/framework/runtime/xvfb/init_Xvfb.sh" > /dev/null 2>&1
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EOT
if [ $? -ne 0 ]; then
  echo "Failed patching the init_Xvfb.sh script, removing ${INSTALLDIR}/arcgis..."
  rm -rf "${INSTALLDIR}/arcgis"
  cd "$ORIGDIR"
  exit 1
fi

#
# Create the shell launcher script for the user:
#
echo ""
echo "Adding ArcGIS shell startup script.  You can run the Python shell with the command"
echo ""
echo "  ${INSTALLDIR}/arcgis-10.1-shell"
echo ""
cat > ${INSTALLDIR}/arcgis-10.1-shell <<EOT
#!/bin/bash
#
# Startup ArcGIS 10.1 server-as-a-client
#

if [ -z \`type -t vpkg_require\` ]; then
  source /etc/profile.d/valet.sh
fi
vpkg_require x11/RHEL6.1

ARCGIS_SERVER_PREFIX=${INSTALLDIR}/arcgis/server
installDir=\${ARCGIS_SERVER_PREFIX}

# Setup the environment:
source \${ARCGIS_SERVER_PREFIX}/framework/etc/arcenv

# If there's no X11 display set in the environment, then
# we need to startup a virtual framebuffer
if [ -z "\$DISPLAY" ]; then
  NEED_XVFB=1
  export XVFBLOG=\`pwd\`"/\$\$.log"
  export XVFBPID=\`pwd\`"/\$\$.pid"
  export XVFBPORTF=\`pwd\`"/\$\$.port"
  source \${ARCGIS_SERVER_PREFIX}/framework/runtime/xvfb/init_Xvfb.sh
  StartXvfb #> /dev/null 2>&1
  if [ -r \$XVFBPORTF ]; then
    export DISPLAY=:\`cat \$XVFBPORTF\`
  fi
else
  NEED_XVFB=0
fi

# Launch the Windows Python shell inside WINE:
trap "{ if [ \$NEED_XVFB -ne 0 ]; then StopXvfb > /dev/null 2>&1; rm -f \$XVFBLOG \$XVFBPID \$XVFBPORTF; fi }" SIGTERM EXIT
wine "C:/Python27/ArcGISx6410.1/python.exe" "-B" \$*

EOT
if [ $? -eq 0 ]; then
  chmod +x ${INSTALLDIR}/arcgis-10.1-shell
else
  echo "Failed to create ArcGIS shell starter script"
fi
 
cd "$ORIGDIR"
exit 0