DynamoDB Local Starter

gistfile1.txt

#!/bin/bash

WORKING_DIR="dynamodb"
VERSION="dynamodb_local_2014-04-24"
ARCHIVE="${VERSION}.tar.gz"
URL="https://s3-us-west-2.amazonaws.com/dynamodb-local/${ARCHIVE}"
PID_FILE="${WORKING_DIR}/PID"

download() {

  mkdir -p $WORKING_DIR
  cd $WORKING_DIR

  if [ ! -f $ARCHIVE ]
  then
    echo "Downloading DynamoDB Local"
    curl -O $URL
  fi

  if [ ! -d $VERSION ]
  then
    echo "Extracting DynamoDB Local"
    tar -xzf $ARCHIVE
  fi
  cd ../
}

start() {

  if [ ! -d $WORKING_DIR ]
  then
    download
  fi
  NOW=$(date -u +"%Y-%m-%dT%H:%M:%SZ")
  LOG_FILE="dynamodb-${NOW}.log"
  LOG_DIR="logs"

  mkdir -p $LOG_DIR

  echo "DynamoDB Local output will save to ${WORKING_DIR}/${LOG_DIR}/${LOG_FILE}"
  nohup java -Djava.library.path=$WORKING_DIR/DynamoDBLocal_lib -jar $WORKING_DIR/DynamoDBLocal.jar >"${LOG_DIR}/${LOG_FILE}" 2>&1 &
  PID=$!

  echo "DynamoDB Local started with pid ${PID}"
  echo $PID > $PID_FILE
}


stop() {
  if [ ! -f $PID_FILE ]
  then
    echo "No PID file found!"
    exit 1
  else
    PID=$(cat $PID_FILE)
    kill -s KILL $PID
    rm $PID_FILE
    echo "DynamoDB Local stopped"
  fi
}

if [ $# -lt 1 ]
then
  echo "Usage : $0 (download|start|stop)"
  exit
fi

case $1 in
  download)
    download
    ;;
  start)
    start
    ;;
  stop)
    stop
    exit 1
    ;;
  *)
  echo "Unknown command: download|start|stop"
esac