ec2 price

gistfile1.txt

#!/usr/bin/env ruby

require 'json'

def parse(uri)
  JSON.parse `curl #{uri}`.gsub("/*\n * This file is intended for use only on aws.amazon.com. We do not guarantee its availability or accuracy.\n *\n * Copyright 2014 Amazon.com, Inc. or its affiliates. All rights reserved.\n */\ncallback({",'{').gsub("\);", '').gsub(/([a-zA-Z]+):/, '"\1":')
end

table = {
  :light => parse('http://a0.awsstatic.com/pricing/1/ec2/previous-generation/light_linux.min.js'),
  :medium => parse('http://a0.awsstatic.com/pricing/1/ec2/previous-generation/medium_linux.min.js'),
  :heavy => parse('http://a0.awsstatic.com/pricing/1/ec2/previous-generation/heavy_linux.min.js'),
}


puts %w(
region
type
utilization
hourly_1year
upfront_1year
hourly_3year
upfront_3year
).join("\t")

table.each_key do |utilization|
  table[utilization]['config']['regions'].each do |region_table|
    current_region = region_table["region"]
    region_table["instanceTypes"].each do |type_group|
      type_group["sizes"].each do |type_table|
        current_type = type_table["size"]
        upfront_1year = type_table["valueColumns"].find{|x| x["name"] == "yrTerm1"}["prices"]["USD"].to_f
        upfront_3year = type_table["valueColumns"].find{|x| x["name"] == "yrTerm3"}["prices"]["USD"].to_f
        hourly_1year = type_table["valueColumns"].find{|x| x["name"] == "yrTerm1Hourly"}["prices"]["USD"].to_f
        hourly_3year = type_table["valueColumns"].find{|x| x["name"] == "yrTerm3Hourly"}["prices"]["USD"].to_f

        puts [current_region, current_type, utilization, hourly_1year, upfront_1year, hourly_3year, upfront_3year].join("\t")
      end
    end
  end
end

thanks to kenjiskywalker https://github.com/kenjiskywalker/aws-rikanjo/