将文件从S3下载到Rails 4应用 [英] Download file from S3 to Rails 4 app

问题描述

我有一个运行日常任务并生成多个文件的AWS VM.我希望我的Rails应用程序下载这些文件并将它们放置在应用程序内的文件夹中. Ruby中有没有可以做到这一点的宝石或方法?

I have an AWS VM that runs a daily task and generates several files. I want my Rails app to download these files and place them in a folder within the app. Is there a gem or method in Ruby that can do this?

我知道如何使用s3cmd在bash中进行操作，我想我可以创建一个脚本来以这种方式获取它们，但是正在寻找一种更原生的Rails方式.

I know how to do it in bash with s3cmd and I guess I could create a script to get them this way, but looking for a more native rails way.

我正在使用这些文件中的数据作为应用程序，但我不希望用户能够下载它们.

I am using the data in these files for the app, but I don't want the users to be able to download them.

推荐答案

aws-sdk v2 gem提供了一个简单的界面，用于从Amazon S3下载对象.

The aws-sdk v2 gem provides a simple interface for downloading objects from Amazon S3.

require 'aws-sdk'

s3 = Aws::S3::Resource.new(
  region: 'us-east-1',
  access_key_id: '...',
  secret_access_key: '...'
)

s3.bucket('bucket-name').object('key').get(response_target: '/path/to/file')

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