cassandra-run

#!/bin/bash -e

ADDR=$(/sbin/ifconfig eth0 | grep 'inet addr' | cut -d: -f2 | awk '{print $1}')

# Check if overrides were provided
SEED=${SEED:=$ADDR}
DATA_DIR=${DATA_DIR:=$CASSANDRA_HOME/data}
COMMIT_LOG_DIR=${COMMIT_LOG_DIR:=$CASSANDRA_HOME/commitlog}

if [ ! -f $CASSANDRA_HOME/.cassconfig ]; then
    ENV_FILE=$CASSANDRA_HOME/conf/cassandra-env.sh
    CONF_FILE=$CASSANDRA_HOME/conf/cassandra.yaml

    # Add heap settings
    echo MAX_HEAP_SIZE="4G" >> $ENV_FILE
    echo HEAP_NEWSIZE="800M" >> $ENV_FILE

    # Add broadcast IPs
    echo "listen_address: $ADDR" >> $CONF_FILE
    echo "broadcast_rpc_address: $ADDR" >> $CONF_FILE
    echo "rpc_address: 0.0.0.0" >> $CONF_FILE

    # Add seed info
    echo "seed_provider:" >> $CONF_FILE
    echo "  - class_name: org.apache.cassandra.locator.SimpleSeedProvider" >> $CONF_FILE
    echo "    parameters:" >> $CONF_FILE
    echo "      - seeds: \"$SEED\"" >> $CONF_FILE

    # Add directory information
    echo "data_file_directories:" >> $CONF_FILE
    echo "  - $DATA_DIR" >> $CONF_FILE
    echo "commitlog_directory: $COMMIT_LOG_DIR" >> $CONF_FILE

    touch $CASSANDRA_HOME/.cassconfig
fi

$CASSANDRA_HOME/bin/cassandra -f -R