Class: Dockerize::Config

Inherits:
Object
  • Object
show all
Defined in:
lib/dockerize/config.rb

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.opts ⇒ Object

Returns the value of attribute opts.



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# File 'lib/dockerize/config.rb', line 10

def opts
  @opts
end

.project_dir ⇒ Object

Returns the value of attribute project_dir.



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# File 'lib/dockerize/config.rb', line 9

def project_dir
  @project_dir
end

Class Method Details

.parse(args) ⇒ Object 



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# File 'lib/dockerize/config.rb', line 12

def parse(args)
  # defaults
  @opts = {
    quiet: false,
    dry_run: false,
    force: false,
    backup: true,
    registry: ENV['DOCKERIZE_REGISTRY'] || 'quay.io/modcloth',
    template_dir: ENV['DOCKERIZE_TEMPLATE_DIR'] || "#{top}/templates",
    maintainer: ENV['DOCKERIZE_MAINTAINER'] ||
      "#{ENV['USER']} <#{ENV['USER']}@example.com>",
    from: ENV['DOCKERIZE_FROM'] || 'ubuntu:12.04'
  }

  OptionParser.new do |opt|
    # -q/--quiet
    opt.on('-q', '--[no-]quiet', 'Silence output') do |q|
      opts[:quiet] = q
    end

    # -d/--dry-run
    opt.on(
      '-d', '--[no-]dry-run', 'Dry run, do not write any files'
    ) do |d|
      opts[:dry_run] = d
    end

    # -f/--force
    opt.on(
      '-f', '--[no-]force', 'Force existing files to be overwritten'
    ) { |f| opts[:force] = f }

    # -b/--backup
    opt.on(
      '-b',
      '--[no-]backup',
      'Creates .bak version of files before overwriting them'
    ) { |b| opts[:backup] = b }

    # -r/--registry
    opt.on(
      '-r REGISTRY',
      '--registry REGISTRY',
      'The Docker registry to use when writing files'
    ) { |r| opts[:registry] = r }

    # -t/--template-dir
    opt.on(
      '-t TEMPLATE_DIR',
      '--template-dir TEMPLATE_DIR',
      'The directory containing the templates to be written'
    ) { |t| opts[:template_dir] = t }

    # -m/--maintainer
    opt.on(
      '-m MAINTAINER',
      '--maintainer MAINTAINER',
      'The default MAINTAINER to use for any Dockerfiles written'
    ) { |m| opts[:maintainer] = m }

    # -F/--from
    opt.on(
      '-F FROM',
      '--from FROM',
      'The default base image to use for any Dockerfiles written'
    ) { |f| opts[:from] = f }

    # -h/--help
    opt.on_tail('-h', '--help', 'Display this message') do
      $stderr.puts opt.help
      exit
    end

    # -v/--version
    opt.on_tail('-v', '--version', 'Show version and exit') do
      $stderr.puts "dockerize #{Dockerize::VERSION}"
      exit
    end
  end.parse!(args)

  self.project_dir = args[0]
  set_project_name unless opts[:project_name]
  generate_accessor_methods
end

.set_project_name ⇒ Object 



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# File 'lib/dockerize/config.rb', line 116

def set_project_name
  opts[:project_name] ||= File.basename(project_dir)
end

.top ⇒ Object 



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# File 'lib/dockerize/config.rb', line 120

def top
  @top ||= Gem::Specification.find_by_name('dockerize').gem_dir
end