S3のリソースのhttpヘッダーにcache系追加

aws.rb

#!/usr/bin/env ruby

require 'aws-sdk-core'
require 'parallel'
require 'active_support/time'
require 'awesome_print'

ENV['AWS_ACCESS_KEY_ID'] = 'xxxxxxxxxxxxxxx'
ENV['AWS_SECRET_ACCESS_KEY'] = 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxx'

region = 'ap-northeast-1'
bucket = 'foo'
resource = 'bar'
host = 'http://foo.s3.amazonaws.com/'

s3 = Aws::S3::Client.new(region: region)

arr = File.open("./lists/#{resource}.txt").read.split("\n")
total = arr.length

Parallel.each_with_index(arr, in_threads: 8) do |key, i|
  begin
    puts "#{i}/#{total}: #{host}#{key}"

    head = s3.head_object(bucket: bucket, key: key)
    s3.copy_object(
      bucket: bucket,
      key: key,
      content_type: head.content_type,
      cache_control: "max-age=#{10.years.to_i}",
      expires: "#{10.years.from_now.httpdate}",
      copy_source: "#{bucket}/#{key}",
      acl: 'public-read',
      metadata_directive: 'REPLACE'
    )
  rescue => e
    ap e
  end
end

aws.sh

$ aws s3 ls --recursive s3://foo/bar > ./lists/bar.txt

https://github.com/aws/aws-sdk-core-ruby/blob/b3a39dad428cc2d4ff810c79805d952f416b5ab6/aws-sdk-core/lib/seahorse/model/shapes.rb#L391

- when 'rfc822' then time.utc.rfc822
+ when 'rfc822' then time.utc.httpdate