sample_aws_v2_s3.rb

# Reference: http://stackoverflow.com/questions/28351438/cannot-create-a-bucket-in-s3-using-ruby-aws-sdk-v2
s3 = Aws::S3::Client.new(region: region, credentials: credentials)

bucket = s3.create_bucket(bucket: 'mynewbucket')
puts bucket.inspect

# List the available buckets
puts "Available buckets:"
resp = s3.list_buckets
resp.buckets.each do |bucket|
    puts bucket.inspect
end

resp = s3.list_objects(bucket: 'existingbucket')
resp.contents.each do |object|
  puts "#{object.key} => #{object.etag}"
end