Class: Picobox::Commands::DownloadDocker

Inherits:
Utils::VisitorByOs show all
Defined in:
lib/picobox/commands/download_docker.rb

Instance Method Summary collapse

Methods inherited from Utils::VisitorByOs

#visit, #visit_unsupported, #visit_windows

Methods included from Utils::DomainEventPublisher

#publish_event

Instance Method Details

#visit_darwin(subject) ⇒ Object 



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# File 'lib/picobox/commands/download_docker.rb', line 4

def visit_darwin subject 
  unless os.docker_installed?
    stream = open(os.docker_url,
      content_length_proc: lambda { |total| publish_event :download_docker_start, total },
      progress_proc: lambda { |step| publish_event :download_progress, step }
    )

    IO.copy_stream( stream, os.docker_installer )
    publish_event :download_docker_complete
  end
end

#visit_linux(subject) ⇒ Object 



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# File 'lib/picobox/commands/download_docker.rb', line 17

def visit_linux subject 
  unless os.docker_compose_installed?
    stream = open(os.docker_compose_url,
      content_length_proc: lambda { |total| publish_event :download_docker_compose_start, total },
      progress_proc: lambda { |step| publish_event :download_progress, step }
    )

    IO.copy_stream( stream, "#{os.tmp_dir}/docker_compose" )
    publish_event :download_docker_compose_complete

    system("#{os.su} 'mv #{os.tmp_dir}/docker_compose #{os.docker_compose}'")
    TTY::File.chmod(os.docker_compose, 'u=x')
  else
    publish_event :docker_present, os.docker_compose_version?
  end
end