install_dash

#!/bin/bash
#
# Dash install script
#
# Create a fresh Dash installation at the specified location.
#
# Usage: 
# $ ./install_dash /installation/path
#
# @author  Andrew Hart <andrew@datafluency.com>
# @license Apache Software Licence, V 2.0
#####################################################################
#
#
#
# Constants describing software dependency versions
MONGO_VERSION='2.2.1'
NODE_VERSION='0.8.14'
CUBE_VERSION='0.2.4'



# Understand from where we are being run
ORIG_DIR=`pwd`
DIR=`dirname $0`
cd $DIR
DIR_PATH=`pwd`

# Ensure we've been called with the correct arguments
if [ $# -ne 1 ]
then
  echo "Usage: `basename $0` /install/path"
  exit 1
fi

# Build directory structure
echo "Creating DASH directory structure and basic setup..."
mkdir -p "${1}/bin"
mkdir -p "${1}/dist"
mkdir -p "${1}/data"
mkdir -p "${1}/logs"

# Copy bin scripts and make them executable
cp -R $DIR_PATH/etc/bin/* $1/bin
chmod +x $1/bin/*

# Copy software dependencies to the dist directory
cp -R $DIR_PATH/dist/mongodb-linux-x86_64-${MONGO_VERSION}.tgz ${1}/dist/.
cp -R $DIR_PATH/dist/node-v${NODE_VERSION}.tar.gz ${1}/dist/.
cp -R $DIR_PATH/dist/cube-v${CUBE_VERSION}.zip ${1}/dist/.

# Finished with this phase of the build.
echo "Done."
echo "Building and installing software dependencies. Install directory is:";
echo "> ${1}/dist"

# Install MongoDB
# -------------------------------------------------------------------
pushd "${1}/dist"
tar xzvf "${1}/dist/mongodb-linux-x86_64-${MONGO_VERSION}.tgz"
ln -s    "${1}/dist/mongodb-linux-x86_64-${MONGO_VERSION}" "${1}/dist/mongodb"
mkdir -p "${1}/data/mongo/db"
popd

# Pre-start MongoDB to preallocate the journal files
$1/dist/mongodb/bin/mongod \
  --port 27018 --dbpath=$1/data/mongo/db &

# Stop MongoDB once it is ready
kill -2 `pidof mongod`

# Install Node
# -------------------------------------------------------------------
pushd    "${1}/dist"
tar xzvf "${1}/dist/node-v${NODE_VERSION}.tar.gz"
pushd    "${1}/dist/node-v${NODE_VERSION}"
./configure --prefix "${1}/dist/node"
make
make install
popd
popd

# Install Cube
# -------------------------------------------------------------------
pushd "${1}/dist"
unzip "${1}/dist/cube-v${CUBE_VERSION}.zip"
ln -s "${1}/dist/cube-${CUBE_VERSION}" "${1}/dist/cube"
cp "${DIR_PATH}/etc/cube/collector-config.js" "${1}/dist/cube/bin/."
cp "${DIR_PATH}/etc/cube/evaluator-config.js" "${1}/dist/cube/bin/."
mkdir "${1}/logs/cube"
pushd "${1}/dist/cube"
$1/dist/node/bin/npm install
popd
popd


# And we're done...
echo "Done. run '${1}/bin/start_dash' to start Dash"
exit