Module: Dry::CommandLine

Defined in:
lib/dry-stack/command_line.rb

Constant Summary collapse

COMMANDS = 
{}

Class Method Summary collapse

Class Method Details

.load_env ⇒ Object 



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# File 'lib/dry-stack/command_line.rb', line 30

def load_env
  File.read('.env').lines.map(&:strip).grep_v(/^\s*#/).reject(&:empty?)
    .map {_1.split('=').map(&:strip).tap { |k,v|
      ENV[k] = v
    }}.to_h
 rescue =>e
   puts "Load env error: #{e.message}"
   raise 'Invalid .env file'
end

.run(args) ⇒ Object 



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# File 'lib/dry-stack/command_line.rb', line 42

def run(args)
  params = {}

  a, extra = ARGV.join(' ').split( / -- /)
  ARGV.replace a.split if a
  ARGV << '-h' if ARGV.empty?

  OptionParser.new do |o|
    o.version = "#{Dry::Stack::VERSION}"

    usage = [
      'dry-stack -s stackfile [options] COMMAND',
      'cat stackfile | dry-stack COMMAND',
      'dry-stack COMMAND < stack.drs'
    ]
    o.banner = "Version: #{o.version}\nUsage:\n\t#{usage.join "\n\t"}"
    o.separator ''
    o.separator 'Commands:'
    COMMANDS.each { |name, cmd| o.separator "#{' ' * 5}#{name} -  #{[cmd.help].flatten.join "\n#{' ' * (5+4 + name.size)}" }" }

    o.separator ''
    o.separator 'Options:'

    #  in all caps are required
    o.on('-s', '--stack STACK_NAME', 'Stack file')
    o.on('-e', '--env', 'Load .env file') { load_env }
    o.on('',   '--name STACK_NAME', 'Define stack name')
    o.on('',   '--ingress', 'Generate ingress labels') { true }
    o.on('',   '--traefik', 'Generate traefik labels') { true }
    o.on('',   '--traefik_tls', 'Generate traefik tls labels') { true }
    o.on('',   '--host_sed /from/to/', 'Sed ingress host  /\\*/dev.*/')
    o.on('-n', '--no-env', 'Do not process env variables') { true }
    o.on('-h', '--help') { puts o; exit }
    o.parse! args, into: params

    raise 'Stack file not defined' if $stdin.tty? && !params[:stack]

    command = args.shift || ''
    raise "Unknown command: #{command}" unless COMMANDS.key?(command.to_sym)

    stack_text = File.read(params[:stack]) if params[:stack]
    stack_text ||= STDIN.read unless $stdin.tty?

    safe_eval stack_text # isolate context

    Stack.last_stack.name = params[:name] if params[:name]
    COMMANDS[command.to_sym].run Stack.last_stack, params, args, extra
  rescue => e
    puts e.message
    ENV['DEBUG'] ? raise : exit(1)
  end
end

.safe_eval(str) ⇒ Object 



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# File 'lib/dry-stack/command_line.rb', line 40

def safe_eval(str) = Dry::Stack() { eval str, self.binding }