#! /bin/bash

ES_VERSION=1.5.1
ES_BASE_DIR=/usr/local/elasticsearch

echo "Starting Elasticsearch installation"
echo ""
echo -n "Enter cluster name: "
read CLUSTERNAME
echo -n "Enter node name: "
read NODENAME
echo ""

# delete old installation
killall -9 java &> /dev/null
rm -fr $ES_BASE_DIR

mkdir /usr/src/jre &> /dev/null
cd /usr/src/jre

# get wget
yum -y install wget unzip

# download jre 8.x rpm
wget http://javadl.sun.com/webapps/download/AutoDL?BundleId=106239 -O jre.rpm

# install jre.rpm
rpm -Uvh jre.rpm

# create dir for elastic search
mkdir $ES_BASE_DIR
cd $ES_BASE_DIR

# download elasticsearch
wget https://download.elastic.co/elasticsearch/elasticsearch/elasticsearch-$ES_VERSION.tar.gz -O elasticsearch.tar.gz
tar xvzf elasticsearch.tar.gz -C ./ --strip-components=1
rm -fr elasticsearch.tar.gz

# install JDBC river
$ES_BASE_DIR/bin/plugin --install jdbc --url http://xbib.org/repository/org/xbib/elasticsearch/plugin/elasticsearch-river-jdbc/1.4.0.10/elasticsearch-river-jdbc-1.4.0.10.zip
ES_BASE_DIR=/usr/local/elasticsearch
curl -o mysql-connector-java-5.1.33.zip -L 'http://dev.mysql.com/get/Downloads/Connector-J/mysql-connector-java-5.1.33.zip/from/http://cdn.mysql.com/'
unzip mysql-connector-java-5.1.33.zip
cp -fr mysql-connector-java-5.1.33/mysql-connector-java-5.1.33-bin.jar $ES_BASE_DIR/plugins/jdbc/
chmod 644 $ES_BASE_DIR/plugins/jdbc/*
rm -fr mysql-connector-java-5.1.33*

# configure elasticsearch
sed -i "s|.*cluster\.name:.*|cluster.name: $CLUSTERNAME|" $ES_BASE_DIR/config/elasticsearch.yml
sed -i "s|.*node\.name:.*|node.name: $NODENAME|" $ES_BASE_DIR/config/elasticsearch.yml
sed -i "s|.*bootstrap\.mlockall:.*|bootstrap.mlockall: true|" $ES_BASE_DIR/config/elasticsearch.yml
echo "indices.fielddata.cache.size:  60%" >> $ES_BASE_DIR/config/elasticsearch.yml

# download demo GUI
svn co http://svn.kolmisoft.com/m2/install/tmp/elasticsearch /home/m2/public/aggregates_demo/

# generate password to demo GUI
PASSWORD=`date +%s | sha256sum | base64 | head -c 10 ; echo`

# add htaccess file
echo "AuthUserFile /home/m2/public/aggregates_demo/.htpasswd
AuthType Basic
AuthName \"My Secret Folder\"
Require valid-user" > /home/m2/public/aggregates_demo/.htaccess

# add htpasswd file
htpasswd -bc /home/m2/public/aggregates_demo/.htpasswd admin $PASSWORD &> /dev/null

echo ""
echo "Login details to DEMO Aggregates GUI:"
echo ""
echo "  GUI path: /billing/aggregates_demo/index.php"
echo "  username: admin"
echo "  password: $PASSWORD"
echo ""

echo ""
echo "Elasticsearch installed"
echo ""