sample openstack api interaction

openstack_api.rb

require 'rubygems'
require 'faraday'
require 'json'
require 'pry'
require 'openssl'
require 'hashie'
OpenSSL::SSL::VERIFY_PEER = OpenSSL::SSL::VERIFY_NONE

class Nova < Hash
  include Hashie::Extensions::IndifferentAccess
  
  def initialize(opts={})
    @nova_version =   opts[:nova_version]   || ENV['NOVA_VERSION']
    @nova_url =       opts[:nova_url]       || ENV['NOVA_URL']
    @nova_username =  opts[:nova_username]  || ENV['NOVA_USERNAME'] 
    @endpoint =       opts[:nova_url]       || ENV['NOVA_URL']
    @nova_api_keu =   opts[:nova_api_key]   || ENV['NOVA_API_KEY']
  end
  
  def conn
    Faraday.new(:url => @nova_url) do |faraday|
      faraday.response :logger                  # log requests to STDOUT
      faraday.adapter  Faraday.default_adapter  # make requests with Net::HTTP
    end
  end
  
  def get(path, options={})
    conn.get path, options
  end
  
  def post(path, options={})
    conn.post path, options
  end
  
  def put(path, options={})
    conn.put path, options
  end
  
  def delete(path, options={})
    conn.delete path, options
  end
  
end

@nova = Nova.new


@json={"auth"=>{
        "passwordCredentials"=>{
            "username"=>ENV['NOVA_USERNAME'],
            "password"=>ENV['NOVA_API_KEY']
        },
        "tenantName"=>ENV['NOVA_PROJECT_ID']
    }
}

@result = @nova.conn.post do |req|
  req.url '/tokens'
  req.headers['Content-Type'] = 'application/json'
  req.body = @json.to_json
end