fluke/devops-service/db/mongo/models/model_with_provider.rb

require "providers/provider_factory"

module Devops
  module Model
    module ModelWithProvider

      attr_accessor :provider

      def ModelWithProvider.included(mod)

        mod.set_field_validators :provider, ::Validators::FieldValidator::NotNil,
                                            ::Validators::FieldValidator::FieldType::String,
                                            ::Validators::FieldValidator::NotEmpty,
                                            ::Validators::FieldValidator::Provider
      end

      def provider_instance
        @provider_instance ||= Provider::ProviderFactory.get(self.provider)
      end
    end
  end
end