# File lib/deltacloud/drivers/ec2/ec2_driver.rb, line 711
        def providers(credentials, opts={})
          ec2 = new_client(credentials)
          providers = ec2.describe_regions.map{|r| Provider.new( {:id=>r, :name=>r,
           :url=>"#{ENV['API_HOST']}:#{ENV['API_PORT']}#{settings.root_url}\;provider=#{r}" }) }
        end