tour-guide

#!/bin/bash
#
#  tour-guide
#  Copyright(c) 2016 Bitergia
#  Author: Bitergia <fiware-testing@bitergia.com>
#  MIT Licensed
#
#  CLI to configure and interact with TourGuide-App.
#

version="0.1"
appname=$( basename $0 )
app="TourGuide CLI"
compose="$( dirname $0 )/docker-compose.yml"
modules_dir="$( dirname $0 )/cli"
fiware_service="tourguide"
container_prefix=""
available_commands=(
    "version"
    "help"
    "check"
    "start"
    "stop"
    "load"
    "oauth-token"
    "configure"
    "sensors"
    )

function show_version () {
    cat <<EOF >&2
${app} version ${version}
EOF
    exit 0
}

function show_help () {
    cat <<EOF >&2
Usage: ${appname} [-h | --help] [-v | --version] [-d | --debug] [-t | --test] <command> [<args>]

Options:

  -h  --help                 Show this help.
  -v  --version              Show program version.
  -d  --debug                Print extra info when running this script.
  -t  --test                 Add 'test_' prefix to container names.
                             Use this when running the test suite.

Available commands:

  start                      Start a service.
  stop                       Stop services.
  configure                  Configure a service.
  load                       Load example data.
  sensors                    Sensors related commands (create, list, simulate data).
  check                      Check for the presence of the required commands.
  oauth-token                Get the OAuth token for a user.

  help                       Show this help (shortcut for --help).
  version                    Show program version (shortcut for --version).

Use '${appname} <command> --help' to get help about a specific <command>.

EOF
    exit 0
}

function not_implemented () {
    echo "Command not implemented yet."
    show_help
}

function cmd_help () {
    show_help
}

function cmd_version () {
    show_version
}

while true ; do
    command="$1"
    case "${command}" in
        "" | "-h" | "--help" | "help")
            show_help
            ;;
        "-v" | "--version" | "version")
            show_version
            ;;
        "-d" | "--debug")
            set -x
            ;;
        "-t" | "--test")
            container_prefix="test_"
            ;;
        *)
            shift
            if [ -e "${modules_dir}/${command}" ] ; then
                source "${modules_dir}/${command}"
                module_cmd "$@"
            else
                if [[ ${available_commands[*]} =~ ${command} ]] ; then
                    not_implemented
                else
                    echo "Unknown command: ${command}"
                    show_help
                fi
            fi
            break
            ;;
    esac
    shift
done