install

#!/bin/bash

FORCE_FRESH_INSTALL="yes"

START_DIR=`pwd`

NIMBUS_SRC_REL="`dirname $0`"
NIMBUS_SRC=`cd $NIMBUS_SRC_REL; pwd`

if [ "X$1" = "X" ]; then
    echo ""
    echo "Usage: $0 destination_dir"
    echo "    You must specify the destination directory."
    echo ""
    exit 1
fi

NIMBUS_REL_BASE_HOME="`dirname $1`"
NIMBUS_BASE_HOME=`cd $NIMBUS_REL_BASE_HOME; pwd`

if [ ! -e $NIMBUS_REL_BASE_HOME ]; then
    echo "The parent directory for the installation path $1 must exist"
    exit 1
fi

NIMBUS_INST_DIR=`basename $1`
NIMBUS_HOME="$NIMBUS_BASE_HOME/$NIMBUS_INST_DIR"
echo "NIMBUS_HOME $NIMBUS_HOME"

if [ "X$NIMBUS_ALLOW_ROOT_INSTALL" != "Xyes" ] && [ $EUID -eq 0 ]; then
    echo ""
    echo "It is not recommended to install or run Nimbus as root."
    echo "If you insist, set the NIMBUS_ALLOW_ROOT_INSTALL environment variable to \"yes\""
    echo ""
    exit 1
fi

if [ -d $NIMBUS_HOME ] && [ "$(ls -A $NIMBUS_HOME)" ]; then
    if [ $FORCE_FRESH_INSTALL = "yes" ]; then
        echo ""
        echo "The destination directory '$NIMBUS_HOME' exists and is not empty."
        echo "It is not recommended to reinstall Nimbus into an existing install."
        echo ""
        echo "If you are making changes to the services, you can build and install those directly:"
        echo "    export GLOBUS_LOCATION=$NIMBUS_HOME/services"
        echo "    scripts/all-build-and-install.sh"
        echo ""
        echo "If you know what you are doing and want to reinstall, edit this script:"
        echo "    $0"
        echo "and change FORCE_FRESH_INSTALL to \"no\""
        echo ""

        exit 1
    fi
fi


if [ ! -d $NIMBUS_HOME ]; then
    mkdir $NIMBUS_HOME
fi

# If the dir exists but is not writable, this will also trip that situation early/gracefully.
touch $NIMBUS_HOME/install.log
if [ $? -ne 0 ]; then
  echo "ERROR: cannot write install log file: $NIMBUS_HOME/install.log"
  exit 1
fi

# The install log contains the initial cumulus admin secrets 
chmod 600 $NIMBUS_HOME/install.log
if [ $? -ne 0 ]; then
  echo "ERROR: cannot chmod install log file: $NIMBUS_HOME/install.log"
  exit 1
fi

if [ "X$PYTHON" = "X" ]; then
    PYTHON_EXE=`which python`
else
    PYTHON_EXE="$PYTHON"
fi
# returns 0 if Python 2.5+
$PYTHON_EXE -c "import sys; sys.exit(sys.version_info < (2,5))"
if [ $? -ne 0 ]; then
    echo "ERROR: The central Nimbus node must have Python version 2.5 or later (VMM nodes can have 2.4+)."
    exit 1
fi

echo ""
echo "-----------------------------------------------------------------" | tee -a $NIMBUS_HOME/install.log
echo "Making the Python virtual environment" | tee -a $NIMBUS_HOME/install.log
echo "-----------------------------------------------------------------" | tee -a $NIMBUS_HOME/install.log
echo ""

pyve_path=$NIMBUS_HOME/ve
echo "Installing from $NIMBUS_SRC"

cp $NIMBUS_SRC/cumulus/*.egg .
$PYTHON_EXE $NIMBUS_SRC/cumulus/virtualenv.py -p $PYTHON_EXE $pyve_path | tee -a $NIMBUS_HOME/install.log
if [ $PIPESTATUS -ne 0 ]; then
    echo "ERROR: python virtualenv installation failed."
    exit 1
fi

$NIMBUS_SRC/libexec/create-nimbus-home $NIMBUS_HOME 2>&1 | tee -a $NIMBUS_HOME/install.log

# need PIPESTATUS because tee is not the exit code this needs to check
if [ $PIPESTATUS -ne 0 ]; then
    echo ""
    exit 1
fi

CUMULUS_ENV="$NIMBUS_HOME/cumulus/env.sh"
if [ ! -f $CUMULUS_ENV ]; then
    echo "Expected file to be created: $CUMULUS_ENV"
    exit 1
fi

echo ""
echo "-----------------------------------------------------------------"
echo " Configuring installed services"
echo "-----------------------------------------------------------------"

CONFIG_SCRIPT="$NIMBUS_HOME/bin/nimbus-configure"

if [ ! -f $CONFIG_SCRIPT ]; then
    echo "Configuration script could not be found: $CONFIG_SCRIPT"
    exit 1
fi

$CONFIG_SCRIPT

if [ $? -ne 0 ]; then
    echo "Nimbus configuration script failed! You may try running it manually:"
    echo "    $CONFIG_SCRIPT"
    echo "You can also run the script with debugging output:"
    echo "    $CONFIG_SCRIPT --debug"
    exit 1
fi


$NIMBUS_SRC/libexec/install-real.sh  "${@}" 2>&1 | tee -a $NIMBUS_HOME/install.log
# need PIPESTATUS because tee is not the exit code of interest
exit $PIPESTATUS