nixosTests/prometheus-exporters.exportarr-sonarr: use new env-vars

        apiKeyFile = pkgs.writeText "dummy-api-key" apikey;

      };

      metricProvider = {

        services.sonarr.enable = true;

        systemd.services.sonarr.serviceConfig.ExecStartPre =

          let

            sonarr_config = pkgs.writeText "config.xml" ''

              <Config>

                <LogLevel>info</LogLevel>

                <EnableSsl>False</EnableSsl>

                <Port>8989</Port>

                <SslPort>9898</SslPort>

                <UrlBase></UrlBase>

                <BindAddress>*</BindAddress>

                <ApiKey>${apikey}</ApiKey>

                <AuthenticationMethod>None</AuthenticationMethod>

                <UpdateMechanism>BuiltIn</UpdateMechanism>

                <Branch>main</Branch>

                <InstanceName>Sonarr</InstanceName>

              </Config>

            '';

          in

          [

            ''${pkgs.coreutils}/bin/install -D -m 777 ${sonarr_config} -T /var/lib/sonarr/.config/NzbDrone/config.xml''

          ];

        services.sonarr = {

          enable = true;

          environmentFiles = [(pkgs.writeText "sonarr-env" "SONARR__AUTH__APIKEY=${apikey}")];

        };

      };

      exporterTest = ''

        wait_for_unit("sonarr.service")