- `impersonate_service_account` (string) - This allows service account impersonation as per the [docs](https://cloud.google.com/iam/docs/impersonating-service-accounts). - `gcs_object_name` (string) - The name of the GCS object in `bucket` where the RAW disk image will be copied for import. This is treated as a [template engine](/docs/templates/engine). Therefore, you may use user variables and template functions in this field. Defaults to `packer-import-{{timestamp}}.tar.gz`. - `image_description` (string) - The description of the resulting image. - `image_family` (string) - The name of the image family to which the resulting image belongs. - `image_guest_os_features` ([]string) - A list of features to enable on the guest operating system. Applicable only for bootable images. Valid values are `MULTI_IP_SUBNET`, `UEFI_COMPATIBLE`, `VIRTIO_SCSI_MULTIQUEUE` and `WINDOWS` currently. - `image_labels` (map[string]string) - Key/value pair labels to apply to the created image. - `skip_clean` (bool) - Skip removing the TAR file uploaded to the GCS bucket after the import process has completed. "true" means that we should leave it in the GCS bucket, "false" means to clean it out. Defaults to `false`. - `vault_gcp_oauth_engine` (string) - Vault GCP Oauth Engine - `image_platform_key` (string) - A key used to establish the trust relationship between the platform owner and the firmware. You may only specify one platform key, and it must be a valid X.509 certificate. - `image_key_exchange_key` ([]string) - A key used to establish a trust relationship between the firmware and the OS. You may specify multiple comma-separated keys for this value. - `image_signatures_db` ([]string) - A database of certificates that have been revoked and will cause the system to stop booting if a boot file is signed with one of them. You may specify single or multiple comma-separated values for this value. - `image_forbidden_signatures_db` ([]string) - A database of certificates that are trusted and can be used to sign boot files. You may specify single or multiple comma-separated values for this value.