#!/bin/sh
REFACT_CASSANDRA_DIR="$REFACT_PERM_DIR/cassandra"
if [ ! -d "$REFACT_CASSANDRA_DIR" ]; then
    mkdir -p "$REFACT_CASSANDRA_DIR"
    chown cassandra:cassandra "$REFACT_CASSANDRA_DIR"
    if [ ! -z "$(ls /var/lib/cassandra)" ]; then
        cp -rp /var/lib/cassandra/* "$REFACT_CASSANDRA_DIR"
    fi
    cp -rp /var/log/cassandra "$REFACT_CASSANDRA_DIR/log"
fi
# patch cassandra config to work with REFACT_CASSANDRA_DIR
sed -i "s|/var/lib/cassandra|$REFACT_CASSANDRA_DIR|g" /etc/cassandra/cassandra.yaml
# patch cassandra.in.sh for less memory consumption and logging to REFACT_CASSANDRA_DIR/log
REFACT_CASSANDRA_INCLUDE=/usr/sbin/cassandra.in.sh
cp /usr/share/cassandra/cassandra.in.sh "$REFACT_CASSANDRA_INCLUDE"
echo "MAX_HEAP_SIZE=2G" >> "$REFACT_CASSANDRA_INCLUDE"
echo "HEAP_NEWSIZE=400M" >> "$REFACT_CASSANDRA_INCLUDE"
echo "CASSANDRA_LOG_DIR=$REFACT_CASSANDRA_DIR/log" >> "$REFACT_CASSANDRA_INCLUDE"

if [ ! -z "$(service cassandra status | grep 'could not access pidfile')" ]; then
    rm /var/run/cassandra/cassandra.pid
fi

if [ ! -z "$(service cassandra status | grep 'not running')" ]; then
    service cassandra start
    echo "cassandra database started on localhost"
fi