AWSの簡易S3アップロードRubyスクリプト

Gemfile

# A sample Gemfile                                                                                                                               
source "https://rubygems.org"

gem 'aws-sdk'
gem 'mime-types'

s3_uploader.rb

gem 'aws-sdk'                                                                                                                               
gem 'mime-types'
require 'aws'                                                                                                                               
require 'mime/types'
require 'optparse'

access_key_id = nil 
secret_access_key = nil 
endpoint = 's3-ap-northeast-1.amazonaws.com'
bucket = nil 
upload_file = __FILE__
acl = "private"

opt = OptionParser.new
opt.on('-a', '--access-key-id=VAL') { |v| access_key_id = v } 
opt.on('-s', '--secret-access-key=VAL') { |v| secret_access_key = v } 
opt.on('-b', '--bucket=VAL') { |v| bucket = v } 
opt.on('-r', '--region=VAL', "Default:#{region}") { |v| region = v } 
opt.on('-f', '--file=VAL', "Default:#{upload_file}") { |v| upload_file = v } 
opt.on('-c', '--acl=VAL', "Default:#{acl}") { |v| acl = v }
opt.parse!(ARGV)

AWS.config(:access_key_id => access_key_id, :secret_access_key => secret_access_key) if access_key_id && secret_access_key

s3 = AWS::S3.new(
  :region         => region,
  :proxy_uri      => ENV['HTTPS_PROXY'] || ENV['https_proxy'] || ENV['HTTP_PROXY'] || ENV['http_proxy']
)

bucket = s3.buckets[bucket]
object = bucket.objects[File.basename(upload_file)]
object.write(:file          => upload_file,
             :content_type  => MIME::Types.type_for(upload_file)[0],
             :acl => acl.to_sym,
             :storage_class => :reduced_redundancy
            )