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我正在开发一个允许商家上传他们商店图片的平台。我为此使用 Carrierwave+fog。由于该应用程序托管在 heroku 上,因此图片需要存储在 amazon s3 上。
在我的本地机器上,如果存储在本地,一切正常,但一旦 fog 处理了上传,事情就出错了。
我将首先发布本地存储版本(工作正常),然后是我当前启用雾的 s3 版本以及我遇到的错误。
本地存储版本(工作正常):
# app/uploaders/picture_uploader.rb
class PictureUploader < CarrierWave::Uploader::Base
storage :file
def store_dir
"uploads/#{model.class.to_s.underscore}/#{mounted_as}/#{model.id}"
end
end
启用雾的 s3 版本(不起作用):
# app/uploaders/picture_uploader.rb
class PictureUploader < CarrierWave::Uploader::Base
storage :fog
def store_dir
"uploads/#{model.class.to_s.underscore}/#{mounted_as}/#{model.id}"
end
end
# config/initializers/fog.rb
CarrierWave.configure do |config|
config.fog_credentials = {
:provider => 'AWS', # required
:aws_access_key_id => 'xxxx', # required
:aws_secret_access_key => 'xxxx' # required
}
config.fog_directory = 'yyyy' # required
config.fog_public = true # optional, defaults to true
end
当我现在创建或编辑新商店时,图片实际上已成功上传到 s3,但 rails 给出了 Permission denied 错误消息 (app/tmp/carrierwave/20121104-0929-5512-8270/04.png could not被访问)。
完整错误信息:
C:/RailsInstaller/Ruby1.9.3/lib/ruby/1.9.1/fileutils.rb:1406:in `unlink'
C:/RailsInstaller/Ruby1.9.3/lib/ruby/1.9.1/fileutils.rb:1406:in `block in remove_file'
C:/RailsInstaller/Ruby1.9.3/lib/ruby/1.9.1/fileutils.rb:1414:in `platform_support'
C:/RailsInstaller/Ruby1.9.3/lib/ruby/1.9.1/fileutils.rb:1405:in `remove_file'
C:/RailsInstaller/Ruby1.9.3/lib/ruby/1.9.1/fileutils.rb:785:in `remove_file'
C:/RailsInstaller/Ruby1.9.3/lib/ruby/1.9.1/fileutils.rb:563:in `block in rm'
C:/RailsInstaller/Ruby1.9.3/lib/ruby/1.9.1/fileutils.rb:562:in `each'
C:/RailsInstaller/Ruby1.9.3/lib/ruby/1.9.1/fileutils.rb:562:in `rm'
carrierwave (0.5.8) lib/carrierwave/sanitized_file.rb:217:in `delete'
carrierwave (0.5.8) lib/carrierwave/uploader/store.rb:60:in `block in store!'
carrierwave (0.5.8) lib/carrierwave/uploader/callbacks.rb:17:in `with_callbacks'
carrierwave (0.5.8) lib/carrierwave/uploader/store.rb:58:in `store!'
carrierwave (0.5.8) lib/carrierwave/mount.rb:347:in `store!'
carrierwave (0.5.8) lib/carrierwave/mount.rb:217:in `store_bild!'
activesupport (3.1.0) lib/active_support/callbacks.rb:401:in `_run_save_callbacks'
activesupport (3.1.0) lib/active_support/callbacks.rb:81:in `run_callbacks'
activerecord (3.1.0) lib/active_record/callbacks.rb:264:in `create_or_update'
activerecord (3.1.0) lib/active_record/persistence.rb:37:in `save'
activerecord (3.1.0) lib/active_record/validations.rb:50:in `save'
activerecord (3.1.0) lib/active_record/attribute_methods/dirty.rb:22:in `save'
activerecord (3.1.0) lib/active_record/transactions.rb:241:in `block (2 levels) in save'
activerecord (3.1.0) lib/active_record/transactions.rb:295:in `block in with_transaction_returning_status'
activerecord (3.1.0) lib/active_record/connection_adapters/abstract/database_statements.rb:192:in `transaction'
activerecord (3.1.0) lib/active_record/transactions.rb:208:in `transaction'
activerecord (3.1.0) lib/active_record/transactions.rb:293:in `with_transaction_returning_status'
activerecord (3.1.0) lib/active_record/transactions.rb:241:in `block in save'
activerecord (3.1.0) lib/active_record/transactions.rb:252:in `rollback_active_record_state!'
activerecord (3.1.0) lib/active_record/transactions.rb:240:in `save'
activerecord (3.1.0) lib/active_record/persistence.rb:163:in `block in update_attributes'
activerecord (3.1.0) lib/active_record/transactions.rb:295:in `block in with_transaction_returning_status'
activerecord (3.1.0) lib/active_record/connection_adapters/abstract/database_statements.rb:192:in `transaction'
activerecord (3.1.0) lib/active_record/transactions.rb:208:in `transaction'
activerecord (3.1.0) lib/active_record/transactions.rb:293:in `with_transaction_returning_status'
activerecord (3.1.0) lib/active_record/persistence.rb:161:in `update_attributes'
app/controllers/stores_controller.rb:62:in `block in update'
actionpack (3.1.0) lib/action_controller/metal/mime_responds.rb:269:in `call'
actionpack (3.1.0) lib/action_controller/metal/mime_responds.rb:269:in `retrieve_response_from_mimes'
actionpack (3.1.0) lib/action_controller/metal/mime_responds.rb:194:in `respond_to'
app/controllers/stores_controller.rb:61:in `update'
actionpack (3.1.0) lib/action_controller/metal/implicit_render.rb:4:in `send_action'
actionpack (3.1.0) lib/abstract_controller/base.rb:167:in `process_action'
actionpack (3.1.0) lib/action_controller/metal/rendering.rb:10:in `process_action'
actionpack (3.1.0) lib/abstract_controller/callbacks.rb:18:in `block in process_action'
activesupport (3.1.0) lib/active_support/callbacks.rb:416:in `_run__16358980__process_action__192134115__callbacks'
activesupport (3.1.0) lib/active_support/callbacks.rb:386:in `_run_process_action_callbacks'
activesupport (3.1.0) lib/active_support/callbacks.rb:81:in `run_callbacks'
actionpack (3.1.0) lib/abstract_controller/callbacks.rb:17:in `process_action'
actionpack (3.1.0) lib/action_controller/metal/rescue.rb:17:in `process_action'
actionpack (3.1.0) lib/action_controller/metal/instrumentation.rb:30:in `block in process_action'
activesupport (3.1.0) lib/active_support/notifications.rb:53:in `block in instrument'
activesupport (3.1.0) lib/active_support/notifications/instrumenter.rb:21:in `instrument'
activesupport (3.1.0) lib/active_support/notifications.rb:53:in `instrument'
actionpack (3.1.0) lib/action_controller/metal/instrumentation.rb:29:in `process_action'
actionpack (3.1.0) lib/action_controller/metal/params_wrapper.rb:201:in `process_action'
activerecord (3.1.0) lib/active_record/railties/controller_runtime.rb:18:in `process_action'
actionpack (3.1.0) lib/abstract_controller/base.rb:121:in `process'
actionpack (3.1.0) lib/abstract_controller/rendering.rb:45:in `process'
actionpack (3.1.0) lib/action_controller/metal.rb:193:in `dispatch'
actionpack (3.1.0) lib/action_controller/metal/rack_delegation.rb:14:in `dispatch'
actionpack (3.1.0) lib/action_controller/metal.rb:236:in `block in action'
actionpack (3.1.0) lib/action_dispatch/routing/route_set.rb:65:in `call'
actionpack (3.1.0) lib/action_dispatch/routing/route_set.rb:65:in `dispatch'
actionpack (3.1.0) lib/action_dispatch/routing/route_set.rb:29:in `call'
rack-mount (0.8.3) lib/rack/mount/route_set.rb:152:in `block in call'
rack-mount (0.8.3) lib/rack/mount/code_generation.rb:96:in `block in recognize'
rack-mount (0.8.3) lib/rack/mount/code_generation.rb:75:in `optimized_each'
rack-mount (0.8.3) lib/rack/mount/code_generation.rb:95:in `recognize'
rack-mount (0.8.3) lib/rack/mount/route_set.rb:141:in `call'
actionpack (3.1.0) lib/action_dispatch/routing/route_set.rb:531:in `call'
actionpack (3.1.0) lib/action_dispatch/middleware/best_standards_support.rb:17:in `call'
rack (1.3.6) lib/rack/etag.rb:23:in `call'
rack (1.3.6) lib/rack/conditionalget.rb:35:in `call'
actionpack (3.1.0) lib/action_dispatch/middleware/head.rb:14:in `call'
actionpack (3.1.0) lib/action_dispatch/middleware/params_parser.rb:21:in `call'
actionpack (3.1.0) lib/action_dispatch/middleware/flash.rb:243:in `call'
rack (1.3.6) lib/rack/session/abstract/id.rb:195:in `context'
rack (1.3.6) lib/rack/session/abstract/id.rb:190:in `call'
actionpack (3.1.0) lib/action_dispatch/middleware/cookies.rb:326:in `call'
activerecord (3.1.0) lib/active_record/query_cache.rb:62:in `call'
activerecord (3.1.0) lib/active_record/connection_adapters/abstract/connection_pool.rb:477:in `call'
actionpack (3.1.0) lib/action_dispatch/middleware/callbacks.rb:29:in `block in call'
activesupport (3.1.0) lib/active_support/callbacks.rb:392:in `_run_call_callbacks'
activesupport (3.1.0) lib/active_support/callbacks.rb:81:in `run_callbacks'
actionpack (3.1.0) lib/action_dispatch/middleware/callbacks.rb:28:in `call'
actionpack (3.1.0) lib/action_dispatch/middleware/reloader.rb:68:in `call'
rack (1.3.6) lib/rack/sendfile.rb:101:in `call'
actionpack (3.1.0) lib/action_dispatch/middleware/remote_ip.rb:48:in `call'
actionpack (3.1.0) lib/action_dispatch/middleware/show_exceptions.rb:47:in `call'
railties (3.1.0) lib/rails/rack/logger.rb:13:in `call'
rack (1.3.6) lib/rack/methodoverride.rb:24:in `call'
rack (1.3.6) lib/rack/runtime.rb:17:in `call'
activesupport (3.1.0) lib/active_support/cache/strategy/local_cache.rb:72:in `call'
rack (1.3.6) lib/rack/lock.rb:15:in `call'
actionpack (3.1.0) lib/action_dispatch/middleware/static.rb:53:in `call'
railties (3.1.0) lib/rails/engine.rb:455:in `call'
railties (3.1.0) lib/rails/rack/content_length.rb:16:in `call'
railties (3.1.0) lib/rails/rack/log_tailer.rb:14:in `call'
rack (1.3.6) lib/rack/handler/webrick.rb:59:in `service'
C:/RailsInstaller/Ruby1.9.3/lib/ruby/1.9.1/webrick/httpserver.rb:138:in `service'
C:/RailsInstaller/Ruby1.9.3/lib/ruby/1.9.1/webrick/httpserver.rb:94:in `run'
C:/RailsInstaller/Ruby1.9.3/lib/ruby/1.9.1/webrick/server.rb:191:in `block in start_thread'
这个错误让我感到困惑,因为直接在浏览器中输入 app/tmp/carrierwave/20121104-0929-5512-8270/04.png 可以正常工作。
为了完整起见,这里是 Controller 和模型(两个版本相同)
#stores_controller.rb
def create
@store = Store.new(params[:store])
respond_to do |format|
if @store.save
format.html { redirect_to @store, notice: 'Store was successfully created.' }
format.json { render json: @store, status: :created, location: @store }
else
format.html { render action: "new" }
format.json { render json: @store.errors, status: :unprocessable_entity }
end
end
end
#models/store.rb
class Store < ActiveRecord::Base
mount_uploader :bild, PictureUploader
end
最佳答案
尝试将 cache_dir 添加到您的 uploader :
def cache_dir
"#{Rails.root}/tmp/uploads"
end
# Override the directory where uploaded files will be stored.
# This is a sensible default for uploaders that are meant to be mounted:
def store_dir
"uploads/#{model.class.to_s.underscore}/#{mounted_as}/#{model.id}"
end
此外,您可能必须添加 config/initializers/carrierwave.rb:
CarrierWave.configure do |config|
# hack fix for windows machine due to tmp file permission error
# per https://github.com/jnicklas/carrierwave/issues/220/
if ENV['RAILS_ENV'] != 'production'
config.delete_tmp_file_after_storage = false
end
config.fog_credentials = {
:provider => 'AWS', # required
:aws_access_key_id => ENV['MF_S3_KEY'], # required
:aws_secret_access_key => ENV['MF_S3_SECRET'], # required
:region => 'us-east-1' # optional, defaults to 'us-east-1'
}
config.fog_directory = ENV['MF_FLYER_BUCKET'] # required
#config.fog_host = 'https://assets.example.com' # optional, defaults to nil
#config.fog_public = false # optional, defaults to true
#config.fog_attributes = {'Cache-Control'=>'max-age=315576000'} # optional, defaults to {}
关于ruby-on-rails-3 - Fog S3 上传导致,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/13217544/
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