# File lib/fog/identity/openstack/v2/models/ec2_credentials.rb, line 36
          def find_by_access_key(access_key)
            user_id = user ? user.id : nil

            ec2_credential =
              find { |ec2_cred| ec2_cred.access == access_key }

            unless ec2_credential
              response = service.get_ec2_credential(user_id, access_key)
              body = response.body['credential']
              body = body.merge 'service' => service

              ec2_credential = Fog::Identity::OpenStack::V2::EC2Credential.new(body)
            end

            ec2_credential
          end