server/views/storage_volumes/attach.html.haml

%h1 Attach storage volume

%form{ :action => url_for("storage_volumes/#{params[:id]}/attach"), :method => :post }
  %p
    %label
      Instance ID:
    - if instances.empty?
      %select
        %option There are no instances
    - else
      %select{ :name => 'instance_id' }
        - instances.each do |i|
          %option{ :value => "#{i.id}"} #{i.name}
  %p
    %label
      Device name:
    %input{ :name => "device", :size => 10, :value => "/dev/sdc"}
  %p
    %input{ :type => :submit, :name => "commit", :value => "attach" }/