setup.sh

#!/bin/bash
# https://github.com/janis-rullis/shell-scripts

# Do a complete docker cleanup if there is only 1 dockerized project. Can be set - `./setup.sh 1`.
ONLY_PROJECT=false
if [[ -n $1 ]]; then
  ONLY_PROJECT=true
fi

function init() {
  # TODO: Add some notification about causes when executed multiple times.

  echo "Define error reporting level, file seperator, and init direcotry."
  set -e # set -o xtrace;
  # https://unix.stackexchange.com/a/164548 You can preserve newlines in the .env.
  IFS=$''
  DIR=$PWD
  # ROOT_DIR="$(dirname "${DIR}")"
  ENV_FILE=".env"
}

function checkRequirements() {
  echo "Checking if the '.env' file exists ..."

  # #17 https://github.com/janis-rullis/shell-scripts/blob/master/learn-basics/if-conditions.sh#L124
  if [[ ! -r $ENV_FILE ]]; then
    echo "'.env' file is missing!"
    echo -e "* Copy the .env.example to .env.\n* Open .env and fill values in FILL_THIS."
    exit
  fi
}

function stopDocker() {

  echo "Remove any possible past clutter."
  sudo rm db/mysql/* -R && touch db/mysql/.gitkeep

  echo "Stop any running container from this project"
  docker-compose down --remove-orphans

  if [[ $ONLY_PROJECT = true ]]; then
    echo "Remove any dangling part."
    echo y | docker network prune
    echo y | docker image prune
    echo y | docker volume prune
  fi
}

function initDb() {
  docker-compose up -d lm1-mysql
}

function readEnvVariables() {
  echo "Reading .env variables..."
  ENV_VARS=$(cat ${ENV_FILE})
  DB_PW=$(echo "${ENV_VARS}" | grep MYSQL_PASSWORD= | cut -d '=' -f2)

  # https://superuser.com/questions/1225134/why-does-the-base64-of-a-string-contain-n/1225139
  SECRET=$(openssl rand -hex 32 | tr -d "\n")
}

# #5 Dockerize the lm1-symfony5.
function setSymfEnv() {
  echo "Setting up the 'lm1-symfony5' container."
  echo "Go into 'symfony5' direcotry..."
  cd symfony5
  echo "Copying '.env.example' to '.env'..."
  cp .env.example .env

  echo "Fill variables collected from the master '.env'..."

  sed -i -e "s/FILL_DB_PASSWORD/$DB_PW/g" .env
  sed -i -e "s/FILL_APP_SECRET/\"${SECRET}\"/g" .env

  echo "Setting up the '.env.test'..."
  cp .env .env.test
  sed -i -e "s/APP_ENV=dev/APP_ENV=test/g" .env.test
  sed -i -e "s/lm1?serverVersion/lm1_testing?serverVersion/g" .env.test

  echo "Add .env.test specific values ..."
  echo -e "\nKERNEL_CLASS='App\Kernel'\nSYMFONY_DEPRECATIONS_HELPER=999999" >>.env.test

  cd "${DIR}";
  echo "'.env' is ready."

  echo "Initialize a clean API container first ..."
  docker-compose build --no-cache lm1-symfony5
  docker-compose down --remove-orphans
}

init
checkRequirements
initDb
stopDocker
readEnvVariables
setSymfEnv
echo "Setup is completed."
echo "Starting the project.."
echo "If this is the first time then it will download and setup Docker containers."
chmod a+x start.sh
./start.sh