Seahorse :: Client :: NetworkingError（getaddrinfo：未知此類主機。），同時使用回形針將圖像上傳到s3並用於heroku應用程序

Question

paperclip.rb

Paperclip::Attachment.default_options[:url] = ':s3_domain_url'
Paperclip::Attachment.default_options[:path] = ':class/:attachment/:id_partition/:style/:filename'
Paperclip::Attachment.default_options[:s3_host_name] = 's3-us-west-2.amazonaws.com'

的Gemfile

source 'http://rubygems.org'
gem 'rails', '4.2.4'
group :development do
    gem 'sqlite3'
end
group :production do
    gem 'pg'
end
gem 'searchkick'
gem 'cocoon'
gem 'sass-rails', '~> 5.0'
gem 'uglifier', '>= 1.3.0'
gem 'coffee-rails', '~> 4.1.0'
gem 'jquery-rails'
gem 'turbolinks'
gem 'jbuilder', '~> 2.0'
gem 'sdoc', '~> 0.4.0', group: :doc
gem 'foundation-rails'
gem 'tinymce-rails', '~> 4.3', '>= 4.3.8'
gem 'haml'
gem 'font-awesome-rails', '~> 4.6', '>= 4.6.1.0'
gem 'simple_form'
gem 'paperclip', '5.0.0.beta2'
gem 'omniauth-facebook'
gem 'acts_as_votable'
gem 'masonry-rails', '~> 0.2.4'
gem 'aws-sdk', '~> 2.2', '>= 2.2.35'
gem 'foreman'
gem 'puma'
gem 'omniauth'
gem 'jquery-turbolinks', '~> 2.1'
group :development, :test do
  gem 'byebug'
end
group :development do
  gem 'web-console', '~> 2.0'
end
gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]

配置/ production.rb

   Rails.application.configure do
  # Settings specified here will take precedence over those in config/application.rb.

  # Code is not reloaded between requests.
  config.cache_classes = true

  # Eager load code on boot. This eager loads most of Rails and
  # your application in memory, allowing both threaded web servers
  # and those relying on copy on write to perform better.
  # Rake tasks automatically ignore this option for performance.
  config.eager_load = true

  # Full error reports are disabled and caching is turned on.
  config.consider_all_requests_local       = false
  config.action_controller.perform_caching = true

  # Enable Rack::Cache to put a simple HTTP cache in front of your application
  # Add `rack-cache` to your Gemfile before enabling this.
  # For large-scale production use, consider using a caching reverse proxy like
  # NGINX, varnish or squid.
  # config.action_dispatch.rack_cache = true

  # Disable serving static files from the `/public` folder by default since
  # Apache or NGINX already handles this.
  config.serve_static_files = ENV['RAILS_SERVE_STATIC_FILES'].present?

  # Compress JavaScripts and CSS.
  config.assets.js_compressor = :uglifier
  # config.assets.css_compressor = :sass

  # Do not fallback to assets pipeline if a precompiled asset is missed.
  config.assets.compile = false

  # Asset digests allow you to set far-future HTTP expiration dates on all assets,
  # yet still be able to expire them through the digest params.
  config.assets.digest = true

  # `config.assets.precompile` and `config.assets.version` have moved to config/initializers/assets.rb

  # Specifies the header that your server uses for sending files.
  # config.action_dispatch.x_sendfile_header = 'X-Sendfile' # for Apache
  # config.action_dispatch.x_sendfile_header = 'X-Accel-Redirect' # for NGINX

  # Force all access to the app over SSL, use Strict-Transport-Security, and use secure cookies.
  # config.force_ssl = true

  # Use the lowest log level to ensure availability of diagnostic information
  # when problems arise.
  config.log_level = :debug

  # Prepend all log lines with the following tags.
  # config.log_tags = [ :subdomain, :uuid ]

  # Use a different logger for distributed setups.
  # config.logger = ActiveSupport::TaggedLogging.new(SyslogLogger.new)

  # Use a different cache store in production.
  # config.cache_store = :mem_cache_store

  # Enable serving of images, stylesheets, and JavaScripts from an asset server.
  # config.action_controller.asset_host = 'http://assets.example.com'

  # Ignore bad email addresses and do not raise email delivery errors.
  # Set this to true and configure the email server for immediate delivery to raise delivery errors.
  # config.action_mailer.raise_delivery_errors = false

  # Enable locale fallbacks for I18n (makes lookups for any locale fall back to
  # the I18n.default_locale when a translation cannot be found).
  config.i18n.fallbacks = true

  # Send deprecation notices to registered listeners.
  config.active_support.deprecation = :notify

  # Use default logging formatter so that PID and timestamp are not suppressed.
  config.log_formatter = ::Logger::Formatter.new

  # Do not dump schema after migrations.
  config.active_record.dump_schema_after_migration = false
  config.paperclip_defaults = {
    storage: :s3,
    :s3_region => ENV['AWS_REGION'],
    s3_credentials: {
      bucket: ENV['S3_BUCKET_NAME'],
      access_key_id: ENV['AWS_ACCESS_KEY_ID'],
      secret_access_key: ENV['AWS_SECRET_ACCESS_KEY']
    }
  }
end

我正在使用aws-sdk ~>2.3 beta(5.0.0) of paperclip ，問題就像當我嘗試使用回形針將圖像上傳到s3時，標題出現上述錯誤。 我引用博客來進行設置。我認為它不起作用。 請幫忙，我在這里停留了2天。在此先感謝您！

Answer 1

您引用的博客文章是針對2.0版之前的AWS開發工具包編寫的。 由於您使用的是gem'aws-sdk'，'〜> 2.2'，'> = 2.2.35'，因此需要定義區域。

所以代替

Paperclip::Attachment.default_options[:s3_host_name] = 's3-us-west-2.amazonaws.com'

你會用

Paperclip::Attachment.default_options[:s3_region] = 'us-west-2'

請確保在此處引用Paperclip文檔，因為它是最新的。

Answer 2

請將存儲桶移出s3_credentials，我們將需要s3_host_name從Amazon S3訪問文檔

config.paperclip_defaults = {
  storage: :s3,
  s3_region: ENV['AWS_REGION'],
  s3_host_name: ENV['AWS_HOST_NAME'],
  bucket: ENV['S3_BUCKET_NAME']
  s3_credentials: {
    access_key_id: ENV['AWS_ACCESS_KEY_ID'],
    secret_access_key: ENV['AWS_SECRET_ACCESS_KEY']
  }
}

還要確保您的IAM用戶具有正確的S3權限，並且您正在使用s3_region的正確值。

您可以在以下鏈接中找到所有S3區域的列表。

http://docs.aws.amazon.com/general/latest/gr/rande.html#s3_region