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使用Paperclip / Fog将文件保存到RackSpace CloudFiles时，连接到奇数IP地址时会发生超时

[英]When saving a file to RackSpace CloudFiles using Paperclip/Fog, a timeout occurs, when connecting to odd IP address

 原文  2014-04-20 16:03:20  8   3    ruby-on-rails/ paperclip/ rackspace-cloud/ fog/ excon

问题描述

I have an app that stores images on RackSpace CloudFiles using Paperclip. 我有一个使用Paperclip在RackSpace CloudFiles上存储图像的应用程序。 It's been working fine, but recently it won't save files. 它一直运行良好，但最近不会保存文件。 The error that occurs is: 发生的错误是： 

Excon::Errors::SocketError (Connection timed out - connect(2) for 94.236.107.224:443 (Errno::ETIMEDOUT)):

In excon/socket.rb I have added some debugging to see the content of @data at the point the request is made. 在excon/socket.rb我添加了一些调试功能，以在发出请求时查看@data的内容。 This is: 这是： 

{
  :chunk_size        => 1048576, 
  :ciphers           => "HIGH:!SSLv2:!aNULL:!eNULL:!3DES", 
  :connect_timeout   => 60, 
  :debug_request     => false, 
  :debug_response    => true, 
  :headers           => {"User-Agent" => "fog/1.22.0"}, 
  :idempotent        => false, 
  :instrumentor_name => "excon", 
  :middlewares       => [Excon::Middleware::ResponseParser, Excon::Middleware::Expects, Excon::Middleware::Idempotent, Excon::Middleware::Instrumentor, Excon::Middleware::Mock],
  :mock              => false,
  :nonblock          => true,
  :omit_default_port => false,
  :persistent        => false,
  :read_timeout      => 60,
  :retry_limit       => 4,
  :ssl_verify_peer   => true,
  :tcp_nodelay       => false,
  :uri_parser        => URI,
  :write_timeout     => 60,
  :host              => "lon.auth.api.rackspacecloud.com",
  :path              => "/v2.0",
  :port              => 443,
  :query             => nil,
  :scheme            => "https",
  :user              => nil,
  :password          => nil
}

The host is lon.auth.api.rackspacecloud.com , which resolves to 92.52.64.197 (on the server, as well as locally). 主机是lon.auth.api.rackspacecloud.com ，解析为92.52.64.197 （在服务器上以及在本地）。

However the error is because the connection to 94.236.107.224 times out. 但是，该错误是因为与94.236.107.224的连接超时。 A reverse lookup on that IP shows it is also associated with the auth hostname: 在该IP上的反向查找显示该IP也与auth主机名相关联： 

$ host 94.236.107.224
224.107.236.94.in-addr.arpa domain name pointer lon.auth.api.rackspacecloud.com.

I presume this IP is no longer in use for the auth service, but I can't see why it's being connected to at all. 我认为该IP不再用于auth服务，但是我根本看不到为什么要连接它。

So I need to know: 所以我需要知道：

  1. Why is the bad IP being connected to, when it doesn't show up in the log? 当错误IP未显示在日志中时，为什么连接到该IP？
  2. How do I fix this so that the correct server is used? 如何解决此问题，以便使用正确的服务器？

Here is the full error that occurs: 这是发生的完整错误： 

Completed 500 Internal Server Error in 15437.6ms

Excon::Errors::SocketError (Connection timed out - connect(2) for 94.236.107.224:443 (Errno::ETIMEDOUT)):
  excon (0.33.0) lib/excon/socket.rb:220:in `connect_nonblock'
  excon (0.33.0) lib/excon/socket.rb:220:in `rescue in block in connect'
  excon (0.33.0) lib/excon/socket.rb:189:in `block in connect'
  excon (0.33.0) lib/excon/socket.rb:185:in `each'
  excon (0.33.0) lib/excon/socket.rb:185:in `connect'
  excon (0.33.0) lib/excon/ssl_socket.rb:131:in `connect'
  excon (0.33.0) lib/excon/socket.rb:28:in `initialize'
  excon (0.33.0) lib/excon/ssl_socket.rb:9:in `initialize'
  excon (0.33.0) lib/excon/connection.rb:414:in `new'
  excon (0.33.0) lib/excon/connection.rb:414:in `socket'
  excon (0.33.0) lib/excon/connection.rb:126:in `request_call'
  excon (0.33.0) lib/excon/middlewares/mock.rb:42:in `request_call'
  excon (0.33.0) lib/excon/middlewares/instrumentor.rb:22:in `request_call'
  excon (0.33.0) lib/excon/middlewares/base.rb:15:in `request_call'
  excon (0.33.0) lib/excon/middlewares/base.rb:15:in `request_call'
  excon (0.33.0) lib/excon/middlewares/base.rb:15:in `request_call'
  excon (0.33.0) lib/excon/connection.rb:269:in `request'
  fog-core (1.22.0) lib/fog/core/connection.rb:56:in `request'
  fog (1.22.0) lib/fog/rackspace/service.rb:34:in `request_without_retry'
  fog (1.22.0) lib/fog/rackspace/requests/identity/create_token.rb:15:in `create_token'
  fog (1.22.0) lib/fog/rackspace/identity.rb:41:in `authenticate'
  fog (1.22.0) lib/fog/rackspace/identity.rb:79:in `initialize'
  fog-core (1.22.0) lib/fog/core/service.rb:115:in `new'
  fog-core (1.22.0) lib/fog/core/service.rb:115:in `new'
  fog (1.22.0) lib/fog/rackspace/service.rb:116:in `authenticate_v2'
  fog (1.22.0) lib/fog/rackspace/service.rb:30:in `authenticate'
  fog (1.22.0) lib/fog/rackspace/storage.rb:88:in `authenticate'
  fog (1.22.0) lib/fog/rackspace/storage.rb:419:in `initialize'
  fog-core (1.22.0) lib/fog/core/service.rb:115:in `new'
  fog-core (1.22.0) lib/fog/core/service.rb:115:in `new'
  fog-core (1.22.0) lib/fog/storage.rb:26:in `new'
  paperclip (3.4.2) lib/paperclip/storage/fog.rb:208:in `connection'
  paperclip (3.4.2) lib/paperclip/storage/fog.rb:218:in `directory'
  paperclip (3.4.2) lib/paperclip/storage/fog.rb:100:in `block in flush_writes'
  paperclip (3.4.2) lib/paperclip/storage/fog.rb:96:in `each'
  paperclip (3.4.2) lib/paperclip/storage/fog.rb:96:in `flush_writes'
  paperclip (3.4.2) lib/paperclip/attachment.rb:221:in `save'
  paperclip (3.4.2) lib/paperclip/instance_methods.rb:17:in `block in save_attached_files'
  paperclip (3.4.2) lib/paperclip/instance_methods.rb:10:in `block in each_attachment'
  paperclip (3.4.2) lib/paperclip/instance_methods.rb:9:in `each'
  paperclip (3.4.2) lib/paperclip/instance_methods.rb:9:in `each_attachment'
  paperclip (3.4.2) lib/paperclip/instance_methods.rb:16:in `save_attached_files'
  activesupport (3.2.17) lib/active_support/callbacks.rb:449:in `_run__806665839013247154__save__3701132647492051879__callbacks'
  activesupport (3.2.17) lib/active_support/callbacks.rb:405:in `__run_callback'
  activesupport (3.2.17) lib/active_support/callbacks.rb:385:in `_run_save_callbacks'
  activesupport (3.2.17) lib/active_support/callbacks.rb:81:in `run_callbacks'
  activerecord (3.2.17) lib/active_record/callbacks.rb:264:in `create_or_update'
  activerecord (3.2.17) lib/active_record/persistence.rb:84:in `save'
  activerecord (3.2.17) lib/active_record/validations.rb:50:in `save'
  activerecord (3.2.17) lib/active_record/attribute_methods/dirty.rb:22:in `save'
  activerecord (3.2.17) lib/active_record/transactions.rb:259:in `block (2 levels) in save'
  activerecord (3.2.17) lib/active_record/transactions.rb:313:in `block in with_transaction_returning_status'
  activerecord (3.2.17) lib/active_record/connection_adapters/abstract/database_statements.rb:192:in `transaction'
  activerecord (3.2.17) lib/active_record/transactions.rb:208:in `transaction'
  activerecord (3.2.17) lib/active_record/transactions.rb:311:in `with_transaction_returning_status'
  activerecord (3.2.17) lib/active_record/transactions.rb:259:in `block in save'
  activerecord (3.2.17) lib/active_record/transactions.rb:270:in `rollback_active_record_state!'
  activerecord (3.2.17) lib/active_record/transactions.rb:258:in `save'
  activeadmin (0.5.1) lib/active_admin/resource_controller/callbacks.rb:28:in `block in save_resource'
  activeadmin (0.5.1) lib/active_admin/callbacks.rb:78:in `run_save_callbacks'
  activeadmin (0.5.1) lib/active_admin/resource_controller/callbacks.rb:27:in `save_resource'
  activeadmin (0.5.1) lib/active_admin/resource_controller/callbacks.rb:22:in `block in create_resource'
  activeadmin (0.5.1) lib/active_admin/callbacks.rb:78:in `run_create_callbacks'
  activeadmin (0.5.1) lib/active_admin/resource_controller/callbacks.rb:21:in `create_resource'
  inherited_resources (1.4.1) lib/inherited_resources/actions.rb:33:in `create'
  activeadmin (0.5.1) lib/active_admin/resource_controller/actions.rb:48:in `create'
  actionpack (3.2.17) lib/action_controller/metal/implicit_render.rb:4:in `send_action'
  actionpack (3.2.17) lib/abstract_controller/base.rb:167:in `process_action'
  actionpack (3.2.17) lib/action_controller/metal/rendering.rb:10:in `process_action'
  actionpack (3.2.17) lib/abstract_controller/callbacks.rb:18:in `block in process_action'
  activesupport (3.2.17) lib/active_support/callbacks.rb:458:in `_run__2901337515923689909__process_action__4396305873998292606__callbacks'
  activesupport (3.2.17) lib/active_support/callbacks.rb:405:in `__run_callback'
  activesupport (3.2.17) lib/active_support/callbacks.rb:385:in `_run_process_action_callbacks'
  activesupport (3.2.17) lib/active_support/callbacks.rb:81:in `run_callbacks'
  actionpack (3.2.17) lib/abstract_controller/callbacks.rb:17:in `process_action'
  actionpack (3.2.17) lib/action_controller/metal/rescue.rb:29:in `process_action'
  actionpack (3.2.17) lib/action_controller/metal/instrumentation.rb:30:in `block in process_action'
  activesupport (3.2.17) lib/active_support/notifications.rb:123:in `block in instrument'
  activesupport (3.2.17) lib/active_support/notifications/instrumenter.rb:20:in `instrument'
  activesupport (3.2.17) lib/active_support/notifications.rb:123:in `instrument'
  actionpack (3.2.17) lib/action_controller/metal/instrumentation.rb:29:in `process_action'
  actionpack (3.2.17) lib/action_controller/metal/params_wrapper.rb:207:in `process_action'
  activerecord (3.2.17) lib/active_record/railties/controller_runtime.rb:18:in `process_action'
  actionpack (3.2.17) lib/abstract_controller/base.rb:121:in `process'
  actionpack (3.2.17) lib/abstract_controller/rendering.rb:45:in `process'
  actionpack (3.2.17) lib/action_controller/metal.rb:203:in `dispatch'
  actionpack (3.2.17) lib/action_controller/metal/rack_delegation.rb:14:in `dispatch'
  actionpack (3.2.17) lib/action_controller/metal.rb:246:in `block in action'
  actionpack (3.2.17) lib/action_dispatch/routing/route_set.rb:73:in `call'
  actionpack (3.2.17) lib/action_dispatch/routing/route_set.rb:73:in `dispatch'
  actionpack (3.2.17) lib/action_dispatch/routing/route_set.rb:36:in `call'
  journey (1.0.4) lib/journey/router.rb:68:in `block in call'
  journey (1.0.4) lib/journey/router.rb:56:in `each'
  journey (1.0.4) lib/journey/router.rb:56:in `call'
  actionpack (3.2.17) lib/action_dispatch/routing/route_set.rb:608:in `call'
  rack-google_analytics (1.0.2) lib/rack/google_analytics.rb:5:in `call'
  warden (1.2.3) lib/warden/manager.rb:35:in `block in call'
  warden (1.2.3) lib/warden/manager.rb:34:in `catch'
  warden (1.2.3) lib/warden/manager.rb:34:in `call'
  actionpack (3.2.17) lib/action_dispatch/middleware/best_standards_support.rb:17:in `call'
  rack (1.4.5) lib/rack/etag.rb:23:in `call'
  rack (1.4.5) lib/rack/conditionalget.rb:35:in `call'
  actionpack (3.2.17) lib/action_dispatch/middleware/head.rb:14:in `call'
  actionpack (3.2.17) lib/action_dispatch/middleware/params_parser.rb:21:in `call'
  actionpack (3.2.17) lib/action_dispatch/middleware/flash.rb:242:in `call'
  rack (1.4.5) lib/rack/session/abstract/id.rb:210:in `context'
  rack (1.4.5) lib/rack/session/abstract/id.rb:205:in `call'
  actionpack (3.2.17) lib/action_dispatch/middleware/cookies.rb:341:in `call'
  activerecord (3.2.17) lib/active_record/query_cache.rb:64:in `call'
  activerecord (3.2.17) lib/active_record/connection_adapters/abstract/connection_pool.rb:479:in `call'
  actionpack (3.2.17) lib/action_dispatch/middleware/callbacks.rb:28:in `block in call'
  activesupport (3.2.17) lib/active_support/callbacks.rb:405:in `_run__1208023080139519486__call__3701132647492051879__callbacks'
  activesupport (3.2.17) lib/active_support/callbacks.rb:405:in `__run_callback'
  activesupport (3.2.17) lib/active_support/callbacks.rb:385:in `_run_call_callbacks'
  activesupport (3.2.17) lib/active_support/callbacks.rb:81:in `run_callbacks'
  actionpack (3.2.17) lib/action_dispatch/middleware/callbacks.rb:27:in `call'
  actionpack (3.2.17) lib/action_dispatch/middleware/remote_ip.rb:31:in `call'
  actionpack (3.2.17) lib/action_dispatch/middleware/debug_exceptions.rb:16:in `call'
  actionpack (3.2.17) lib/action_dispatch/middleware/show_exceptions.rb:56:in `call'
  railties (3.2.17) lib/rails/rack/logger.rb:32:in `call_app'
  railties (3.2.17) lib/rails/rack/logger.rb:16:in `block in call'
  activesupport (3.2.17) lib/active_support/tagged_logging.rb:22:in `tagged'
  railties (3.2.17) lib/rails/rack/logger.rb:16:in `call'
  actionpack (3.2.17) lib/action_dispatch/middleware/request_id.rb:22:in `call'
  rack (1.4.5) lib/rack/methodoverride.rb:21:in `call'
  rack (1.4.5) lib/rack/runtime.rb:17:in `call'
  activesupport (3.2.17) lib/active_support/cache/strategy/local_cache.rb:72:in `call'
  rack (1.4.5) lib/rack/lock.rb:15:in `call'
  rack-cache (1.2) lib/rack/cache/context.rb:136:in `forward'
  rack-cache (1.2) lib/rack/cache/context.rb:143:in `pass'
  rack-cache (1.2) lib/rack/cache/context.rb:155:in `invalidate'
  rack-cache (1.2) lib/rack/cache/context.rb:71:in `call!'
  rack-cache (1.2) lib/rack/cache/context.rb:51:in `call'
  railties (3.2.17) lib/rails/engine.rb:484:in `call'
  railties (3.2.17) lib/rails/application.rb:231:in `call'
  railties (3.2.17) lib/rails/railtie/configurable.rb:30:in `method_missing'
  /opt/chef/embedded/lib/ruby/gems/1.9.1/gems/passenger-4.0.35/lib/phusion_passenger/rack/thread_handler_extension.rb:77:in `process_request'
  /opt/chef/embedded/lib/ruby/gems/1.9.1/gems/passenger-4.0.35/lib/phusion_passenger/request_handler/thread_handler.rb:142:in `accept_and_process_next_request'
  /opt/chef/embedded/lib/ruby/gems/1.9.1/gems/passenger-4.0.35/lib/phusion_passenger/request_handler/thread_handler.rb:110:in `main_loop'
  /opt/chef/embedded/lib/ruby/gems/1.9.1/gems/passenger-4.0.35/lib/phusion_passenger/request_handler.rb:441:in `block (3 levels) in start_threads'

3 个解决方案

解决方案1
 2  2014-04-22 14:11:12

I was able to successfully authenticate against lon.auth.api.rackspacecloud.com . 我能够针对lon.auth.api.rackspacecloud.com成功进行身份验证。 My guess is that there might be something wrong with the DNS configuration. 我的猜测是DNS配置可能有问题。 Let me track someone down to investigate this issue for you. 让我跟踪某人来为您调查此问题。

Kyle 凯尔

解决方案2
 2 已采纳  2014-04-23 08:24:14

Thanks to @geemus, @Kyle-Rames, and @AshWilson for clues to the puzzle. 感谢@ geemus，@ Kyle-Rames和@AshWilson提供了有关此难题的线索。

RS support told me to change the auth server to lon.identity.api.rackspacecloud.com which I did but then saw the error: RS支持人员告诉我将身份验证服务器更改为lon.identity.api.rackspacecloud.com ，但是我看到了以下错误： 

Unknown region :dfw for service cloudFiles. Please use one of the following regions: :lon

Setting the region with rackspace_region: :lon in paperclip_defaults.rb sorted that, and got things working again. 与设定区域rackspace_region: :lon在paperclip_defaults.rb排序时，和得到的东西再工作。

解决方案3
 1  2014-04-22 13:23:51

I'm not certain about the specifics on the Rackspace side of things that would result in this. 我不确定会导致这种情况的Rackspace方面的细节。 Within excon the resolution to ip happens within Excon::Socket#connect . 在激子中，ip的解析发生在Excon::Socket#connect 。 Not sure how much you know about the nitty-gritty of these things, but thought I would at least point you in that direction in case it might help: https://github.com/geemus/excon/blob/master/lib/excon/socket.rb#L167 不知道您对这些事情的本质有多少了解，但想想我至少会指出您的方向，以防可能有所帮助： https : //github.com/geemus/excon/blob/master/lib/ EXCON / socket.rb＃L167

That just stays at the socket level at least at presently (we just look this up once at socket connect, and don't propagate it to the data hash). 至少目前至少还停留在套接字级别（我们只在套接字连接中查找过一次，并且不将其传播到数据哈希中）。 You shouldn't need to override this though (at least in my experience the default behavior is the right one). 不过，您不必覆盖它（至少以我的经验，默认行为是正确的选择）。 I'd probably just recommend filing the issue on github against fog at this point ( https://github.com/fog/fog/issues/new ) so that I can point Rackspace folks at it. 我可能会建议此时针对雾将问题提交到github（ https://github.com/fog/fog/issues/new ），以便我可以向Rackspace的人员指出。

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