working with buckets across regions is just silly

a.rb

  def s3_any_client(&block)
    client = Aws::S3::Client.new
    begin
      block.call(client)
    rescue Aws::S3::Errors::Http301Error
      client = Aws::S3::Client.new(:endpoint => 'https://s3.amazonaws.com')
      block.call(client)
    end
  end

  def s3_bucket_region(bucket = s3_bucket_name)
    s3_any_client do |client|
      region = client.get_bucket_location(:bucket => bucket).first.to_hash[:location_constraint]
      region.blank? ? "us-east-1" : region
    end
  end

  def s3_bucket_exists(name = s3_bucket_name)
    s3_any_client do |client|
      begin
        client.head_bucket(:bucket => name)
        true
      rescue Aws::S3::Errors::Forbidden
        true
      rescue Aws::S3::Errors::NotFound
        false
      end
    end
  end
  alias_method :s3_bucket_exists?, :s3_bucket_exists

  def s3_bucket_create!(name = s3_bucket_name)
    unless s3_bucket_exists?(name)
      client = Aws::S3::Client.new
      bucket = Aws::S3::Bucket.new(:name => name, :client => client)
      begin
        bucket.create
      rescue Aws::S3::Errors::BucketAlreadyOwnedByYou
      end
      bucket.exists?
    else
      bucket = Aws::S3::Bucket.new(:name => name, :client => client)
      bucket.exists?
    end
  end

  def s3_bucket(name = s3_bucket_name)
    @s3_bucket ||= (
      s3_bucket_create!(name) unless s3_bucket_exists?(name)
      region = s3_bucket_region(name)
      bucket = Aws::S3::Bucket.new(:name => name, :region => region)
      bucket
    )
  end
  alias_method :bucket, :s3_bucket


  def s3_bucket_name
    App.settings.get(:aws, :s3, :bucket)
  end
  alias_method :bucket_name, :s3_bucket_name