東京リージョンのVPC内に $0.005/h を上限とする t1.micro のスポットリクエストを送る

Ruby2.0.0-p247
aws-sdk 1.22.0

require "aws-sdk"

AWS.config(
  :access_key_id     => "access_key_id",
  :secret_access_key => "secret_access_key",
  :region            => "ap-northeast-1"
)

ec2 = AWS::EC2.new
options = {
  :instance_count => 1,
  :spot_price     => "0.005",
  :launch_specification => {
    :image_id           => "ami-xxxxxxxx",
    :key_name           => "Key pair name",
    :instance_type      => "t1.micro",
    :security_group_ids => ["sg-xxxxxxxx"],
    :subnet_id          => "subnet-xxxxxxxx",
  },
}
ec2.client.request_spot_instances(options)