Super simple elasticsearch init

elasticsearch.sh

#! /bin/sh

# TODO: check for openjdk-8-jre and fail out

DIR=~/code/work/elasticsearch

start_es(){
  ./elasticsearch-5.6.16/bin/elasticsearch
}

install_es(){
  curl -L -O https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-5.6.16.tar.gz
  tar xvfz elasticsearch-5.6.16.tar.gz
}

if [ -d "$DIR" ]; then
  # Directory exists.
  cd "$DIR"
  start_es
else
  # No directory, reinitialize state
  mkdir -p "$DIR"
  cd "$DIR"
  install_es
  start_es
fi