cloudfoundry/cloud_controller_ng

module VCAP::CloudController
  class CredhubCredentialPopulator
    attr_reader :credhub_client

    def initialize(credhub_client)
      @credhub_client = credhub_client
    end

    def transform(service_keys, _opts={})
      service_keys = Array(service_keys)

      service_keys.each do |service_key|
        service_key.credentials = credhub_client.get_credential_by_name(service_key.credhub_reference) if service_key.credhub_reference?
      end
    rescue Credhub::Error
      raise CloudController::Errors::ApiError.new_from_details('ServiceKeyCredentialStoreUnavailable')
    rescue UaaUnavailable, CF::UAA::UAAError => e
      logger.error("UAA error occurred while communicating with CredHub: #{e.class} - #{e.message}")
      raise CloudController::Errors::ApiError.new_from_details('UaaUnavailable')
    end

    def logger
      @logger ||= Steno.logger('cc.credhub_credential_populator')
    end
  end
end