setup.sh

#!/bin/bash

response=""

function show_error () {
  echo "       Computer says no!"
  echo "             /"
  echo "        ________"
  echo "       |       .|"
  echo "       |  NO!  .|"
  echo "       |       .|"
  echo "       |________|"
  echo "       __|___|__"
  echo " _____|_________|____"
  echo "                    _|"
  echo "                   |"
  echo "                   |"
  echo "                   |"
  echo " ________________  |"
  echo "                 |_|"
  echo ""
  echo ""
}

function download () {
  response=$(wget -qO- $1 2>/dev/null || curl -qf $1 2>/dev/null)
  exit_code=$?

  if ! [ $exit_code == 0 ]; then
    show_error

    echo "Can not download latest versions. Check your internet connection!"
    exit 1
  fi
}

function update () {
  echo "Update Enginsight Enterprise Setup..."

  download "https://raw.githubusercontent.com/enginsight/enterprise/master/setup.sh"

  echo "$response" > ./setup.sh

  chmod +x ./setup.sh

  ./setup.sh "update"

  exit 0
}

if ! [ "$1" = "update" ]; then
  update
fi

echo ""
echo "    █      Enginsight Enterprise Setup v2.0"
echo "  █ █   █  "
echo "  █ █ █ █  Enginsight GmbH"
echo "  █ █ █ █  Hans-Knöll-Straße 6, 07745 Jena"
echo "  █   █ █  Geschäftsführer: Mario Jandeck, Eric Range"
echo "      █    "
echo ""

eula()
{
    echo ""
    echo "++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++"
    echo "IMPORTANT-READ CAREFULLY:"
    echo ""
    echo "This End-User License Agreement (EULA) is a legal agreement between you (either "
    echo "as an individual or on behalf of an entity) and Enginsight GmbH regarding your  "
    echo "use of the Enginsight On-Premises 'Enterprise', including all associated "
    echo "documentation (the 'Software')."
    echo ""
    echo "BEFORE CLICKING TO START DOWNLOADING THE SOFTWARE YOU SHOULD CAREFULLY READ THE "
    echo "TERMS AND CONDITIONS OF THIS LICENCE AGREEMENT. BY DOWNLOADING YOU ARE AGREEING "
    echo "TO BE LEGALLY BOUND BY THE TERMS AND CONDITIONS OF THIS LICENCE AGREEMENT AND   "
    echo "AGREE TO BECOME A LICENSEE. IF YOU DO NOT AGREE TO ALL OF THE TERMS AND         "
    echo "CONDITIONS OF THIS LICENCE AGREEMENT DO NOT DOWNLOAD OR USE THE SOFTWARE.       "
    echo "++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++"
    echo ""
    echo "You can find our EULA here: https://dls.enginsight.com/legal/eula-de.pdf"
    read -p "Do you accept the terms and conditions of this Licence Agreement? (y/n): " answer </dev/tty
    echo ""

    case ${answer:0:1} in
    y|Y|j )
        # Write value to file.
        echo "true" > $ACCPETED_EULA_FILE
        ;;

    *)
        echo 'Unexpected input. Abort...'
        exit 1
        ;;

    esac
}

check_config()
{
  if command -v json_pp &> /dev/null; then
    config=$(cat conf/services/config.json.production)
    echo ""

    if echo $config | json_pp >/dev/null 2>&1; then
      echo "Your configuration seems to be correct. Continue..."
      echo $config | json_pp > "conf/services/config.json.production"
    else
      echo "Attention! Your configuration seems to be incorrect."
      echo "Please stick to the JSON format."
      read -p "If you still want to continue, press Enter."
    fi
  fi
}

DEFAULT_APP_URL="http://$(hostname -I | cut -f1 -d ' ')"
DEFAULT_APP_URL_FILE="./conf/DEFAULT_APP_URL.conf"
DEFAULT_API_URL="http://$(hostname -I | cut -f1 -d ' '):8080"
DEFAULT_API_URL_FILE="./conf/DEFAULT_API_URL.conf"

DEFAULT_MONGODB_URI=mongodb://ipOfDBServer:27017/enginsight?replicaSet=rs0
DEFAULT_MONGODB_URI_FILE="./conf/DEFAULT_MONGODB_URI.conf"

DEFAULT_REDIS_URI=redis://redis:6379
DEFAULT_REDIS_URI_FILE="./conf/DEFAULT_REDIS_URI.conf"

DEFAULT_JWT_SECRET_FILE="./conf/DEFAULT_JWT_SECRET.conf"

ACCPETED_EULA="false"
ACCPETED_EULA_FILE="./conf/ACCEPTED_EULA.conf"

if [ "$EUID" -ne 0 ]; then
    echo "Please run as root"
    echo ""
    show_error
    exit 1
fi

if [ -s $ACCPETED_EULA_FILE ]; then
    ACCPETED_EULA=$(cat $ACCPETED_EULA_FILE)
fi

if [[ "$ACCPETED_EULA" != "true" ]]; then
  eula
fi

if ! type "docker" > /dev/null; then
    echo 'Error: docker is not installed.' >&2
    show_error
    exit 1
fi

if ! type "docker-compose" > /dev/null; then
    echo 'Error: docker-compose is not installed.' >&2
    show_error
    exit 1
fi

if [[ $1 == "docker" ]]; then
    MONGODB_URI=$DEFAULT_MONGODB_URI
    REDIS_URI=$DEFAULT_REDIS_URI
    APP_URL=$DEFAULT_APP_URL
    API_URL=$DEFAULT_API_URL
fi

if [ -s $DEFAULT_JWT_SECRET_FILE ]; then
    JWT_SECRET=$(cat $DEFAULT_JWT_SECRET_FILE)
else
    JWT_SECRET=`< /dev/urandom tr -dc _A-Z-a-z-0-9 | head -c32`
fi

# Write value to file.
echo $JWT_SECRET > $DEFAULT_JWT_SECRET_FILE

if [ ! "$MONGODB_URI" ]; then
    if [ -s $DEFAULT_MONGODB_URI_FILE ]; then
        DEFAULT_MONGODB_URI=$(cat $DEFAULT_MONGODB_URI_FILE)
    fi

    read -p "Enter MongoDB URI ($DEFAULT_MONGODB_URI): " MONGODB_URI && MONGODB_URI=${MONGODB_URI:-$DEFAULT_MONGODB_URI}
fi

if [[ ! $MONGODB_URI == *"replicaSet"* ]]; then
    echo "Invalid MongoDB URI"
    show_error
    exit 1
fi

# Write value to file.
echo $MONGODB_URI > $DEFAULT_MONGODB_URI_FILE

if [ ! "$REDIS_URI" ]; then
    if [ -s $DEFAULT_REDIS_URI_FILE ]; then
        DEFAULT_REDIS_URI=$(cat $DEFAULT_REDIS_URI_FILE)
    fi

    read -p "Enter Redis URI ($DEFAULT_REDIS_URI) : " REDIS_URI && REDIS_URI=${REDIS_URI:-$DEFAULT_REDIS_URI}
fi

if [[ ! $REDIS_URI == *"redis://"* ]]; then
    echo "Invalid Redis URI"
    show_error
    exit 1
fi

# Write value to file.
echo $REDIS_URI > $DEFAULT_REDIS_URI_FILE

if [ ! "$APP_URL" ]; then
    if [ -s $DEFAULT_APP_URL_FILE ]; then
        DEFAULT_APP_URL=$(cat $DEFAULT_APP_URL_FILE)
    fi

    read -p "Enter APP URL ($DEFAULT_APP_URL) : " APP_URL && APP_URL=${APP_URL:-$DEFAULT_APP_URL}
fi

if [[ ! $APP_URL == *"http"* ]]; then
    echo "Invalid APP URL"
    show_error
    exit 1
fi

# Write value to file.
echo $APP_URL > $DEFAULT_APP_URL_FILE

if [ ! "$API_URL" ]; then
    if [ -s $DEFAULT_API_URL_FILE ]; then
        DEFAULT_API_URL=$(cat $DEFAULT_API_URL_FILE)
    fi

    read -p "Enter API URL ($DEFAULT_API_URL) : " API_URL && API_URL=${API_URL:-$DEFAULT_API_URL}
fi

if [[ ! $API_URL == *"http"* ]]; then
    echo "Invalid APP URL"
    show_error
    exit 1
fi

# Write value to file.
echo $API_URL > $DEFAULT_API_URL_FILE
echo ""

# Show values in a table.
for val in "MONGODB_URI" "REDIS_URI" "APP_URL" "API_URL" "JWT_SECRET"; do printf "%12s %s\n" "$val:" "${!val}"; done

# Go through all config files...
for file in $(find ./conf/* -maxdepth 10 -name "*.json" -o -name "*.js")
do
    config=$(<$file)

    for name in "MONGODB_URI" "REDIS_URI" "APP_URL" "API_URL" "JWT_SECRET"; do
        # Sanitize invalid json characters.
        value=$(echo ${!name} | sed -e 's/\\/\\\\/g; s/\//\\\//g; s/&/\\\&/g')

        # Replace value from config template.
        config=`echo $config | sed -e "s/%%$name%%/$value/g"`
    done

    # Save the new config to the ".production" file.
    echo $config > $file.production
done

check_config

echo ""
echo "Starting initialization..."
echo ""

docker-compose up -d --force-recreate --remove-orphans -V