_solr_manager

#! /bin/bash

# Script for installing & running solr-lucene

############################
### SETUP
############################

# Load vars defined in .env
source .env

d_install() {

  clear
  echo """
      ===========================================================================
      This script is about to install solr and configure it settings given in
      this tutorial:

      https://lucene.apache.org/solr/guide/8_1/solr-tutorial.html

      NOTE:
      - Make sure you don't already have solr running; you can check this using:
        - Debian    : \`netstat -tulpn | grep LIS | grep 8983\`
        - Mac/Centos: \`lsof -iTCP -sTCP:LISTEN -P | grep 8983\`

      ===========================================================================
  """

  # If .solr doesn't exist, then create dir, download and install solr
  if [[ ! -d ./.solr ]]; then
    if [[ -d tempSolr ]]; then
      # Cache unpacked .solr dir in tempSolr to avoid repreated downloading in development
      cp -r tempSolr .solr
    else
      echo "Creating .solr dir; this will house all-things solr-lucene"
      mkdir .solr
      curl "http://apache-mirror.8birdsvideo.com/lucene/solr/$SOLR_VERSION/solr-$SOLR_VERSION.zip" -o "$PWD/.solr/solr-$SOLR_VERSION.zip"
      cd .solr
      unzip -q "solr-$SOLR_VERSION.zip"
      cd ..
    fi

    # For demo purposes we'll start solr following the first-tutorial instructions here: https://lucene.apache.org/solr/guide/8_1/solr-tutorial.html
    printf '2\n8983\n7574\ntechproducts\n2\n2\nsample_techproducts_configs\n' | ./.solr/solr-$SOLR_VERSION/bin/solr start -e cloud
    sleep 3 # Time to settle

    # Then post the sample data to the endpoint:
    ./.solr/solr-$SOLR_VERSION/bin/post -c techproducts ./.solr/solr-$SOLR_VERSION/example/exampledocs/*

    echo "
      OK. Solr is supposed to be running; try: \`curl \"http://localhost:8983/solr/techproducts/select?q=foundation&fl=id\"\`
    "
  else
    echo ".solr dir already exists. If you want to reinstall, then first stop any running solr proceses and remove this dir."
  fi
  exit 0
}

############################
### MANAGER FUNCTIONS
############################

d_status() {

  ./.solr/solr-$SOLR_VERSION/bin/solr status
  return $?
}

d_start() {

  ./.solr/solr-$SOLR_VERSION/bin/solr start -p 8983 -s .solr/solr-$SOLR_VERSION/example/cloud/node1/solr
  exit_code=$?
  echo ">>> View Solr UI at http://localhost:8983"
  return $exit_code

}

d_stop() {

  echo ">>> Stopping solr"
  ./.solr/solr-$SOLR_VERSION/bin/solr stop -all
  return $?

}

d_restart() {
  d_stop
  sleep 2
  d_start
}

case $1 in
install)
  d_install
  ;;
status)
  d_status
  ;;
start)
  d_start
  ;;
stop)
  d_stop
  ;;
restart)
  d_restart
  ;;
*)
  echo "usage: $NAME {install|status|start|stop|restart}"
  exit 1
  ;;
esac

exit 0