carrierwave_monkey_patch.rb 1.99 KB
# This is a monkey patch until https://github.com/carrierwaveuploader/carrierwave/pull/2314 has been merged
# This fixes a problem https://gitlab.com/gitlab-org/gitlab-ce/issues/46182 that carrierwave loads large files into memory
# and triggers sidekiq shutdown by hitting RSS limit.
module CarrierWave
  module Storage
    class Fog < Abstract
      class File
        module MonkeyPatch
          def read
            file_body = file.body

            return if file_body.nil?
            return file_body unless file_body.is_a?(::File)

            begin
              file_body = ::File.open(file_body.path) if file_body.closed? # Reopen if it's closed
              file_body.read
            rescue Errno::ENOENT
              @file = nil # rubocop:disable Gitlab/ModuleWithInstanceVariables
              file.body
            ensure
              file_body.close
            end
          end

          def store(new_file)
            if new_file.is_a?(self.class) # rubocop:disable Cop/LineBreakAroundConditionalBlock
              new_file.copy_to(path)
            else
              fog_file = new_file.to_file
              @content_type ||= new_file.content_type # rubocop:disable Gitlab/ModuleWithInstanceVariables
              @file = directory.files.create({ # rubocop:disable Gitlab/ModuleWithInstanceVariables
                :body         => fog_file ? fog_file : new_file.read, # rubocop:disable Style/HashSyntax
                :content_type => @content_type, # rubocop:disable Style/HashSyntax,Gitlab/ModuleWithInstanceVariables
                :key          => path, # rubocop:disable Style/HashSyntax
                :public       => @uploader.fog_public # rubocop:disable Style/HashSyntax,Gitlab/ModuleWithInstanceVariables
              }.merge(@uploader.fog_attributes)) # rubocop:disable Gitlab/ModuleWithInstanceVariables
              fog_file.close if fog_file && !fog_file.closed?
            end
            true
          end
        end

        prepend MonkeyPatch
      end
    end
  end
end