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我正在尝试将我的 Rails 应用程序部署到 Amazon EC2 实例，但一直收到相同的错误。

Trying to enable root login

c:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rubber-2.8.0/lib/rubber/recipes/rubber/setup.rb:173:in `read': No such file or directory - /etc/hosts (Errno::ENOENT)

此错误指向该文件中的此块

desc <<-DESC
  Sets up local aliases for instance hostnames based on contents of instance.yml.
  Generates/etc/hosts for local machine
DESC
required_task :setup_local_aliases do
  hosts_file = '/etc/hosts'

  # Generate /etc/hosts contents for the local machine from instance config
  delim = "## rubber config #{rubber_env.domain} #{Rubber.env}"
  local_hosts = delim + "\n"
  rubber_instances.each do |ic|
    # don't add unqualified hostname in local hosts file since user may be
    # managing multiple domains with same aliases
    hosts_data = [ic.full_name, ic.external_host, ic.internal_host]

    # add the ip aliases for web tools hosts so we can map internal tools
    # to their own vhost to make proxying easier (rewriting url paths for
    # proxy is a real pain, e.g. '/graphite/' externally to '/' on the
    # graphite web app)
    if ic.role_names.include?('web_tools')
      Array(rubber_env.web_tools_proxies).each do |name, settings|
        hosts_data << "#{name}-#{ic.full_name}"
      end
    end

    local_hosts << ic.external_ip << ' ' << hosts_data.join(' ') << "\n"
  end
  local_hosts << delim << "\n"

  # Write out the hosts file for this machine, use sudo
  *LINE 173* existing = File.read(hosts_file)
  filtered = existing.gsub(/^#{delim}.*^#{delim}\n?/m, '')

  # only write out if it has changed
  if existing != (filtered + local_hosts)
    logger.info "Writing out aliases into local machines #{hosts_file}, sudo access needed"
    Rubber::Util::sudo_open(hosts_file, 'w') do |f|
      f.write(filtered)
      f.write(local_hosts)
    end
  end
end

我将文本添加*LINE 173*到错误是引用的实际行。

我发现了这个关于它的 Google Group 线程，但我不确定如何更改 Windows 的路径

https://groups.google.com/forum/#!topic/rubber-ec2/LFk0NgrOtyY

任何帮助，将不胜感激。同样，我正在尝试将 Rails 应用程序部署到 Windows 8 机器上的 EC2 实例。

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1 回答 1

1

Windows 中的等效文件是

C:\Windows\System32\drivers\etc\hosts

此代码可能难以写入该文件，因为它需要特权访问。

于 2014-04-16T22:22:05.293 回答