init

#!/usr/bin/env bash

# Raspi OS (Debian) and Manjaro (Arch) differ in $0 for sourced scripts
# BASH_SOURCE is always the script, sourced or executed
# BASH_ARGV0 is the script or "-bash" (when sourced)
MySelf=$(realpath "$BASH_SOURCE")
MyHome=$(dirname "$MySelf")

QuestRel="7.1.3"
Envir=${1:-"Devel"}   # else "Prod"

if [[ $(basename -- "$BASH_ARGV0") = $(basename -- "${MySelf}") ]]
then
  echo "ERROR: this script must be sourced: '. ${MySelf}/init'"
  exit 10
  fi

if [ -n "$ZSH_VERSION" ]
then
  echo "ERROR: this script supports _bash_ only, sorry"
  return 11
  fi

if [[ ! -d "${MyHome}/venv" ]]
then
  echo "First time init of aquaPi development env."
  read -p "CR to continue / Ctrl-C to cancel" dummy
  cd "${MyHome}" || return 12

  git submodule init
  git submodule update

  # Debian derivatives don't come with py3 venv by default
  grep -i debian /usr/lib/os-release && sudo apt-get install python3-venv

  # NOTE: You can append --system-site-packages to inherit all
  #       packages installed globally, e.g. your vim's jedi. The
  #       release environment should not, to ensure requirements are complete.
  if [ ${Envir^^} == "DEVEL" ]
  then
    python3 -m venv venv --system-site-packages
  else
    python3 -m venv venv
  fi
fi

echo "Activate aquaPi development env."
cd "${MyHome}" || return 12
. ./venv/bin/activate
echo "===== get all python packages"
pip3 install -r requirements.txt
echo "====="

if [ $(getconf LONG_BIT) == 64 ]
then
  if [ -z "$(ls -d "${MyHome}/questdb-${QuestRel}/" 2>/dev/null)" ]
  then
    if ( grep -i arm /proc/cpuinfo >/dev/null )
    then
      echo "===== install Quest DB & JRE 11"
      tar -xvf questdb-${QuestRel}-no-jre-bin.tar.gz
      mv questdb-${QuestRel}-no-jre-bin questdb-${QuestRel}
      apt install default-jre
    else
      echo "===== install Quest DB incl. JRE for AMD64"
      tar -xvf questdb-${QuestRel}-rt-linux-amd64.tar.gz
      mv questdb-${QuestRel}-rt-linux-amd64 questdb-${QuestRel}
    fi
  fi
  pip3 install 'psycopg[binary]>=3.1.9'
  echo "===== ... and start QuestDB"
  "${MyHome}/questdb-${QuestRel}/bin/questdb.sh" start
  echo "You can interact with Quest DB in your browser at localhost:9000"
  echo "====="
fi

echo "There are two scripts to run the development server:"
echo "  './run' should be used to start the software in a SSH"
echo "     shell, termination of the shell will not hang up (HUP)"
echo "     the process, and output is tee-ed to run.log"
echo "  './dbg' starts without output redirect to allow debugger"
echo "     interaction. If used via SSH the process will die"
echo "     when you close the shell."
echo "Use your browser to see the UI at 'http://$(hostname -i):5000'"