Module: Dapp::Dapp::Dappfile

Included in:
Dapp::Dapp
Defined in:
lib/dapp/dapp/dappfile.rb

Defined Under Namespace

Modules: Error

Instance Method Summary collapse

Instance Method Details

#config ⇒ Object 



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# File 'lib/dapp/dapp/dappfile.rb', line 28

def config
  @config ||= begin
    config = nil

    dappfile_yml = path("dappfile.yml").to_s
    dappfile_yaml = path("dappfile.yaml").to_s
    dappfile_ruby = path("Dappfile").to_s

    if ENV["DAPP_LOAD_CONFIG_PATH"]
      config = YAML.load_file ENV["DAPP_LOAD_CONFIG_PATH"]
    elsif File.exist? dappfile_yml
      config = load_dappfile_yml(dappfile_yml)
    elsif File.exist? dappfile_yaml
      config = load_dappfile_yml(dappfile_yaml)
    elsif File.exist? dappfile_ruby
      config = load_dappfile_ruby(dappfile_ruby)
    else
      raise ::Dapp::Error::Dapp, code: :dappfile_not_found
    end

    if ENV["DAPP_DUMP_CONFIG"]
      puts "-- DAPP_DUMP_CONFIG BEGIN"
      puts YAML.dump(config)
      puts "-- DAPP_DUMP_CONFIG END"
    end

    config.tap do
      config.after_parsing!
      config.validate!
    end
  end # begin
end

#dappfile_exists? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dapp/dapp/dappfile.rb', line 21

def dappfile_exists?
  File.exist?(path("dappfile.yml")) ||
    File.exist?(path("dappfile.yaml")) ||
      File.exist?(path("Dappfile")) ||
        ENV["DAPP_LOAD_CONFIG_PATH"]
end

#download_dappfile_yml_bin(dappfile_yml_bin_path) ⇒ Object 



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# File 'lib/dapp/dapp/dappfile.rb', line 114

def download_dappfile_yml_bin(dappfile_yml_bin_path)
  lock("downloader.bin.dappfile-yml", default_timeout: 1800) do
    return if File.exists? dappfile_yml_bin_path

    log_process("Downloading dappfile-yml dapp dependency") do
      location = URI("https://dl.bintray.com/dapp/ruby2go/#{::Dapp::VERSION}/dappfile-yml")

      tmp_bin_path = File.join(self.class.tmp_base_dir, "dappfile-yml-#{SecureRandom.uuid}")
      ::Dapp::Downloader.download(location, tmp_bin_path, show_progress: true, progress_titile: dappfile_yml_bin_path)

      checksum_location = URI("https://dl.bintray.com/dapp/ruby2go/#{::Dapp::VERSION}/dappfile-yml.sha")
      tmp_bin_checksum_path = tmp_bin_path + ".checksum"
      ::Dapp::Downloader.download(checksum_location, tmp_bin_checksum_path)

      if Digest::SHA256.hexdigest(File.read(tmp_bin_path)) != File.read(tmp_bin_checksum_path).strip
        raise ::Dapp::Error::Dapp, code: :download_failed_bad_dappfile_yml_checksum, data: {url: location.to_s, checksum_url: checksum_location.to_s}
      end

      File.chmod(0755, tmp_bin_path)
      FileUtils.mkdir_p File.dirname(dappfile_yml_bin_path)
      FileUtils.mv tmp_bin_path, dappfile_yml_bin_path
    end # log_process
  end # lock
end

#expand_path(path, number = 1) ⇒ Object 



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# File 'lib/dapp/dapp/dappfile.rb', line 15

def expand_path(path, number = 1)
  path = File.expand_path(path)
  number.times.each { path = File.dirname(path) }
  path
end

#load_dappfile_ruby(dappfile_path) ⇒ Object 



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# File 'lib/dapp/dapp/dappfile.rb', line 61

def load_dappfile_ruby(dappfile_path)
  ::Dapp::Config::Config.new(dapp: self).tap do |config|
    begin
      config.instance_eval File.read(dappfile_path), dappfile_path
    rescue SyntaxError, StandardError => e
      backtrace = e.backtrace.find { |line| line.start_with?(dappfile_path) }
      message = begin
        case e
        when NoMethodError
          e.message =~ /`.*'/
          "undefined method #{Regexp.last_match}"
        when NameError then e.message[/.*(?= for)/]
        else
          e.message
        end
      end
      message = "#{backtrace[/.*(?=:in)/]}: #{message}" if backtrace
      raise ::Dapp::Error::Dappfile, code: :incorrect, data: { error: e.class.name, message: message }
    end # begin-rescue
  end
end

#load_dappfile_yml(dappfile_path) ⇒ Object

Raises:



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# File 'lib/dapp/dapp/dappfile.rb', line 83

def load_dappfile_yml(dappfile_path)
  if dappfile_yml_bin_path = ENV["DAPP_BIN_DAPPFILE_YML"]
    unless File.exists? dappfile_yml_bin_path
      raise ::Dapp::Error::Dapp, code: :dappfile_yml_bin_path_not_found, data: {path: dappfile_yml_bin_path}
    end
  else
    dappfile_yml_bin_path = File.join(::Dapp::Dapp.home_dir, "bin", "dappfile-yml", ::Dapp::VERSION, "dappfile-yml")
    unless File.exists? dappfile_yml_bin_path
      download_dappfile_yml_bin(dappfile_yml_bin_path)
    end
  end

  cmd_res = shellout dappfile_yml_bin_path, "-dappfile", dappfile_path

  raw_json_response = nil
  if cmd_res.exitstatus == 0
    raw_json_response = cmd_res.stdout
  elsif cmd_res.exitstatus == 16
    raw_json_response = cmd_res.stderr
  else
    shellout_cmd_should_succeed! cmd_res
  end

  response = JSON.parse(raw_json_response)

  log_warning(response["warning"]) unless response["warning"].empty?
  raise ::Dapp::Dapp::Dappfile::Error::DappfileYmlErrorResponse.new(response["error"], response) if response["error"]

  YAML.load response["dappConfig"]
end