stop-local-trial

#!/usr/bin/env bash

# NB: local trial script has to be self-contained
# See https://sipb.mit.edu/doc/safe-shell/
set -euf -o pipefail

if [[ "$OSTYPE" == "linux-gnu" ]]; then
  export MAYBE_SUDO="sudo"
else
  export MAYBE_SUDO=""
fi


if [ -t 1 ]; then
  export NORMAL="$(tput sgr0)"
  export RED="$(tput setaf 1)"
  export GREEN="$(tput setaf 2)"
  export MAGENTA="$(tput setaf 5)"
  export CYAN="$(tput setaf 6)"
  export WHITE="$(tput setaf 7)"
  export BOLD="$(tput bold)"
else
  export NORMAL=""
  export RED=""
  export GREEN=""
  export MAGENTA=""
  export CYAN=""
  export WHITE=""
  export BOLD=""
fi

error_exit() {
  echo "${RED}${BOLD}ERROR${NORMAL}${BOLD}: $1${NORMAL}"
  shift
  while [ "$#" -gt "0" ]; do
    echo " - $1"
    shift
  done
  exit 1
}

log_step() {
  echo ''
  echo "${GREEN}${BOLD}INFO${NORMAL}${BOLD}: $1${NORMAL}"
  shift
  while [ "$#" -gt "0" ]; do
    echo " - $1"
    shift
  done
}

command_present() {
  type "$1" >/dev/null 2>&1
}

retool_containers_present() {
  # NB: awk is to remove whitespace from `wc`
  RETOOL_IMAGES="$($MAYBE_SUDO docker image ls | grep 'retool-onpremise' | wc -l | awk '{print $1}')"
  test "$RETOOL_IMAGES" -gt '0'
}

number_of_trial_containers() {
  # NB: awk is to remove whitespace from `wc`
  cd "$DOCKER_CONTEXT"
  $MAYBE_SUDO docker-compose ps -q | wc -l | awk '{print $1}'
}

# NB: trim trailing slash on $TMPDIR as different OS's do it differently
INSTALL_DIRECTORY="$HOME/retool"
DOCKER_CONTEXT="$INSTALL_DIRECTORY/retool-onpremise"

if [ -d "$DOCKER_CONTEXT" ] && [ "$(number_of_trial_containers)" -gt 0 ]; then
  cd "$DOCKER_CONTEXT" || error_exit "could not stop Retool. use \`docker\` commands to manage from $DOCKER_CONTEXT"

  log_step 'stopping Retool...'
  $MAYBE_SUDO docker-compose down
else
  log_step 'trial is not running. all done!'
fi