docker-prod

#!/bin/bash

check_argument () {
  if [ -z $2 ]; then
    echo "No value specified for argument $1"
    exit
  fi
}

help () {
  echo "usage: $0 -q -p -o output.txt <some command>"
  echo "Arguments:"
  echo "  -q|--quiet            Quiet, reduce logs"
  echo "  -p|--pull             Pull last version"
  echo "  -o|--output <output>  Outputs the stdout of the command to <output>"
  echo "  -h|--help             Print this message"
  echo
  echo "Positional arguments:"
  echo "  <some command>        Command to be executed in the image"
  exit
}

parse_arguments () {
  POSITIONAL=()
  PULL=0
  QUIET=0
  HELP=0
  TAG=master
  while [[ $# -gt 0 ]]
  do
  key="$1"

  if [ -z $POSITIONAL ]; then
    case $key in
        -q|--quiet)
        QUIET=1
        shift # past argument
        ;;
        -p|--pull)
        PULL=1
        shift # past argument
        ;;
        -t|--tag)
        check_argument $@
        TAG=$2
        shift # past argument
        ;;
        -h|--help)
        HELP=1
        shift # past argument
        ;;
        -o|--output)
        check_argument $@
        OUTPUT=$2
        shift # past argument
        shift # past value
        ;;
        *)    # unknown option
        POSITIONAL+=("$1") # save it in an array for later
        shift # past argument
        ;;
    esac
  else
    # After the first positional argument, all are positional
    POSITIONAL+=("$1") # save it in an array for later
    shift # past argument
  fi
  done
  set -- "${POSITIONAL[@]}" # restore positional parameters
}

print_message () {
  if [ $QUIET = 0 ]; then
    echo $@
  fi
}

authenticate () {
  print_message "----- Authentication -----"
  docker login registry.gitlab.com
  if [ $? != 0 ]; then
    echo "Cannot authenticate"
    exit
  fi
  print_message "----------"
  print_message
}

pull () {
  print_message "----- Pull last version -----"
  echo $TAG
  docker pull registry.gitlab.com/i3-market/code/wp3/t3.1-self-sovereign-identity-and-access-management/node-oidc-provider
  docker tag registry.gitlab.com/i3-market/code/wp3/t3.1-self-sovereign-identity-and-access-management/node-oidc-provider i3market/oidc-provider-app
  print_message "----------"
  print_message
}

execute () {
  print_message "----- Execute -----"
  COMMAND=$@
  if [ -z $1 ]; then
    print_message "Using default command (bash)"
    print_message "You can use the command 'template [env/docker-compose]' to get deployment information"
    print_message "You may also want to init the default volumes using 'init-volumes UID:GID'"
    COMMAND="bash"
  else
    print_message "Execute command: $COMMAND"
  fi

  FULL_COMMAND="docker run --rm --name oidc-provider-installer -v $(pwd)/volumes:/volumes -it i3market/oidc-provider-app $COMMAND"

  if [ -z $OUTPUT ]; then
    $FULL_COMMAND
  else
    $FULL_COMMAND 1> $OUTPUT
  fi
}

main () {
  parse_arguments $@
  if [ $HELP = 1 ]; then
    help
  fi

  if [ $PULL = 1 ]; then
    authenticate
    pull
  fi
  execute ${POSITIONAL[@]}
}

main $@