Install Cassandra

install-cassandra.sh

#!/bin/bash

# Run this script directly with:
# bash <(curl -sSL https://raw.github.com/gist/3859355/install-cassandra.sh)

CASSANDRA_FILE_NAME="apache-cassandra"
CASSANDRA_VERSION="${1:-1.1.5}" # By default install 1.1.5, the last stable release as of 09oct2012
CASSANDRA_DIR=$CASSANDRA_FILE_NAME-$CASSANDRA_VERSION
CASSANDRA_TARBALL_NAME=$CASSANDRA_DIR-bin.tar.gz

CASSANDRA_LOG_DIR="$CASSANDRA_DIR/var/log/cassandra"
CASSANDRA_LIB_DIR="$CASSANDRA_DIR/var/lib/cassandra"

CASSANDRA_YAML_PATH="$CASSANDRA_DIR/conf/cassandra.yaml"
CASSANDRA_LOG4J_PATH="$CASSANDRA_DIR/conf/log4j-server.properties"

echo "Installing Cassandra $CASSANDRA_VERSION"
echo "  downloading..."
curl http://mirror.switch.ch/mirror/apache/dist/cassandra/$CASSANDRA_VERSION/$CASSANDRA_TARBALL_NAME -O

echo "  unpacking..."
tar -zxf $CASSANDRA_TARBALL_NAME

echo "  configuring..."
mkdir -p $CASSANDRA_LOG_DIR
mkdir -p $CASSANDRA_LIB_DIR

sed -i.bak "s:/var/l:`pwd`/$CASSANDRA_DIR/var/l:" $CASSANDRA_YAML_PATH

sed -i.bak "s:/var/l:`pwd`/$CASSANDRA_DIR/var/l:" $CASSANDRA_LOG4J_PATH

echo "  removing tarball..."
rm $CASSANDRA_TARBALL_NAME

echo
echo "Installation done!"
echo
echo "Run the following command to launch Cassandra:"
echo $CASSANDRA_DIR/bin/cassandra -f
echo