通过 UCloud API 管理资源

ucloud_api.rb

# frozen_string_literal: true

require 'json'
require 'net/http'
require 'digest'

class UcloudAPI
  API_HOST = 'https://api.ucloud.cn'

  def initialize(public_key, private_key)
    @public_key = public_key
    @private_key = private_key
  end

  def request_api(action, params)
    data = process_params(params).merge('Action' => action, 'PublicKey' => public_key)
    data['Signature'] = signature(data)
    body = Net::HTTP.get(URI(API_HOST + '?' + URI.encode_www_form(data)))
    JSON.parse(body)
  end

  private

  attr_reader :public_key, :private_key

  def process_params(params)
    new_params = {}
    params.each_pair do |key, value|
      if value.is_a?(Array)
        value.each_with_index do |val, idx|
          new_params["#{key}.#{idx}"] = val
        end
      else
        new_params[key] = value
      end
    end
    new_params
  end

  def signature(params)
    sha1 = Digest::SHA1.new
    params.keys.sort_by(&:to_s).each do |key|
      sha1 << key << params[key].to_s
    end
    sha1 << private_key
    sha1.hexdigest
  end
end

if $0 == __FILE__
  public_key, private_key = ARGV[0,2]
  client = UcloudAPI.new(public_key, private_key)
  pp client.request_api('DescribeEIP', 'Region' => 'cn-bj2', 'ProjectId' => 'org-hencnd')
end