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#!/bin/bash
CASSANDRA_VERSION="1.2.9"
PASSWORD=$1
if [ -e $HOME/opt/cassandra ]; then
echo "Cassandra appears to already be installed at $HOME/opt/cassandra Skipping install..."
if !(pgrep CassandraDaemon > /dev/null); then
echo "Starting Cassandra..."
$HOME/opt/cassandra/bin/start-cassandra.sh
fi
exit 1
fi
# Download
mkdir -p $HOME/opt
cd $HOME/opt
wget http://www.eng.lsu.edu/mirrors/apache/cassandra/${CASSANDRA_VERSION}/apache-cassandra-${CASSANDRA_VERSION}-bin.tar.gz
tar xzf apache-cassandra-${CASSANDRA_VERSION}-bin.tar.gz
rm apache-cassandra-${CASSANDRA_VERSION}-bin.tar.gz
ln -s apache-cassandra-${CASSANDRA_VERSION} cassandra
mkdir -p cassandra/var/data cassandra/var/log
# Configuration
CONFIG_FILE=cassandra/conf/cassandra.yaml
sed -i "s/cluster_name: 'Test Cluster'/cluster_name: 'Dev Cluster'/" $CONFIG_FILE
sed -i "s|/var/lib/cassandra|$HOME/opt/cassandra/var/data|" $CONFIG_FILE
sed -i "s|/var/log/cassandra|$HOME/opt/cassandra/var/log|" cassandra/conf/log4j-server.properties
# Control Scripts
cat > cassandra/bin/start-cassandra.sh << EOF
#!/bin/sh
$HOME/opt/cassandra/bin/cassandra -p $HOME/opt/cassandra/var/cassandra.pid
EOF
chmod 755 cassandra/bin/start-cassandra.sh
cat > cassandra/bin/stop-cassandra.sh << EOF
#!/bin/sh
kill \`cat $HOME/opt/cassandra/var/cassandra.pid\`
EOF
chmod 755 cassandra/bin/stop-cassandra.sh
cat > $HOME/bin/cassandra-cli << EOF
#!/bin/sh
export CASSANDRA_HOME=$HOME/opt/cassandra
$HOME/opt/cassandra/bin/cassandra-cli \$*
EOF
chmod 755 $HOME/bin/cassandra-cli
# Setup nifty links
mkdir -p $HOME/bin
ln -s $HOME/opt/cassandra/bin/start-cassandra.sh $HOME/bin/
ln -s $HOME/opt/cassandra/bin/stop-cassandra.sh $HOME/bin/
# Start Cassandra
cassandra/bin/start-cassandra.sh
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