Rough AWS inventory tool

enumaws.rb

require 'aws-sdk-configservice'
require 'json'
require 'net/http'

module Enumaws
  def self.run
    uri = URI('https://raw.githubusercontent.com/aws/aws-sdk-ruby/master/apis/config/2014-11-12/api-2.json')
    res = Net::HTTP.get_response(uri)
    config_api_schema = JSON.load(res.body)
    resource_types = config_api_schema["shapes"]["ResourceType"]["enum"]

    config_client = Aws::ConfigService::Client.new

    results = {}

    resource_types.each do |rt|
      results[rt] = {}
      resources = config_client.list_discovered_resources(resource_type: rt)[:resource_identifiers]
      next if resources.empty?
      resource_keys = resources.map do |r|
        {
          resource_type: r[:resource_type],
          resource_id: r[:resource_id],
        }
      end
      resource_configs = config_client.batch_get_resource_config(resource_keys: resource_keys)[:base_configuration_items]
      resource_configs.each do |resource_config|
        config = JSON.load(resource_config.configuration)
        results[rt][resource_config.resource_name] = config
      end
    end

    puts results.to_json
  end
end