CarrierWaveとSidekiqでのバックグラウンドジョブを使用したS3への直接アップロードに関するRyanBatesチュートリアルに従います。
sidekiqログのバックグラウンドワーカーに次のエラーが表示されます。
2012-11-10T14:33:56Z 44401 TID-owd2xrzdg WARN: {"retry"=>true, "queue"=>"default", "class"=>"Article::ImageWorker", "args"=>[44, "uploads/d8850e90-0d6d-0130-fecf-3c0754129341/mkv5E.jpg"], "jid"=>"8add5079541725ad30550f9c", "error_message"=>"Validation failed: Image could not download file", "error_class"=>"ActiveRecord::RecordInvalid", "failed_at"=>"2012-11-10T14:29:15Z", "retry_count"=>4, "retried_at"=>2012-11-10 14:33:56 UTC}
2012-11-10T14:33:56Z 44401 TID-owd2xrzdg WARN: Validation failed: Image could not download file
2012-11-10T14:33:56Z 44401 TID-owd2xrzdg WARN: /Users/kgoddard/.rvm/gems/ruby-1.9.3-head/gems/activerecord-3.2.8/lib/active_record/validations.rb:56:in `save!'
これが私のアップローダーです
class ImageUploader < CarrierWave::Uploader::Base
# Include CarrierWave direct uploader to background upload task.
include CarrierWaveDirect::Uploader
# Include RMagick or MiniMagick support:
include CarrierWave::RMagick
# include CarrierWave::MiniMagick
# Include the Sprockets helpers for Rails 3.1+ asset pipeline compatibility:
include Sprockets::Helpers::RailsHelper
include Sprockets::Helpers::IsolatedHelper
# Choose what kind of storage to use for this uploader:
# storage :file
storage :fog
# Set the mimetype of the upload incase it is incorrect.
include CarrierWave::MimeTypes
process :set_content_type
process :resize_to_limit => [640, 640]
version :thumb do
process :resize_to_fill => [160, 120]
end
end
記事モデル
class Article < ActiveRecord::Base
attr_accessible :orientation, :shoot_id, :image
belongs_to :shoot
mount_uploader :image, ImageUploader
after_save :enqueue_image
def image_name
File.basename(image.path || image.filename) if image
end
def enqueue_image
ImageWorker.perform_async(id, key) if key.present?
end
class ImageWorker
include Sidekiq::Worker
def perform(id, key)
article = Article.find(id)
article.key = key
article.remote_image_url = article.image.direct_fog_url(:with_path => true)
article.save!
article.update_column(:image_processed, true)
end
end
end
CarrierWave構成
CarrierWave.configure do |config|
config.fog_credentials = {
:provider => 'AWS', # required
:aws_access_key_id => ENV["AWS_ACCESS_KEY_ID"], # required
:aws_secret_access_key => ENV["AWS_SECRET_ACCESS_KEY"], # required
:region => 'eu-east-1' # optional, defaults to 'us-east-1'
}
config.fog_directory = ENV["AWS_S3_BUCKET"] # required
end
アップロードフォームのレンダリングを担当するShootControllerShow Action
# GET /shoots/1
# GET /shoots/1.json
def show
# TODO: is this the best way to prevent users from accessing not owned resources.
@shoot = Shoot.find(params[:id])
@uploader = Article.new.image
@uploader.success_action_redirect = new_admin_article_url
if @shoot
respond_to do |format|
format.html # show.html.erb
end
else
redirect_to shoots_path, alert: 'No shoot found with id: #{params[:id]}'
end
end
ショーアクションアップローダーのフォーム
<div class="hero-unit">
<h2><%= @shoot.name %></h2>
<p><%= @shoot.overview %></p>
<p>This shoot was taken on <%= @shoot.shoot_date %></p>
<%= direct_upload_form_for @uploader do |f| %>
<p><%= f.file_field :image, multiple: true, name: "article[image]" %></p>
<p><%= f.submit "Add Media", :class => "btn btn-primary" %></p>
<% end %>
</div><!-- /hero-unit -->