private function createConfigurable($data) {
    $this->logger->info('create conf');
    $custom=1;

    $ob = ObjectManager::getInstance();
    $dir = $ob->get('MagentoFrameworkAppFilesystemDirectoryList');
    $mediaImportFolder = $dir->getPath(DirectoryList::MEDIA);
    $imagePath = $mediaImportFolder."/import/asgard/"; // path of the image


    $productRepository = $ob->create(ProductRepositoryInterface::class);
    $installer = $ob->create(CategorySetup::class);
    $attributeSetId = $installer->getAttributeSetId('catalog_product', 'Default');

    $eavConfig = $ob->get('MagentoEavModelConfig');

    $associatedProductIds=$data['simple_ids'];

    $attributeValues = [];
    $attribute = $eavConfig->getAttribute('catalog_product', 'color');
    $options = $attribute->getOptions();
    array_shift($options); //remove the first option which is empty

    foreach ($options as $option) {
        $attributeValues[] = [
            'label' => 'color',
            'attribute_id' => $attribute->getId(),
            'value_index' => $option->getValue(),
        ];
    }

    /** @var Factory $optionsFactory */
    $optionsFactory = $ob->create(Factory::class);
    $configurableAttributesData = [
        [
            'attribute_id' => $attribute->getId(),
            'code' => $attribute->getAttributeCode(),
            'label' => $attribute->getStoreLabel(),
            'position' => '1',
            'values' => $attributeValues,
        ],
    ];


    $product = $ob->create(Product::class);

    //$product = $ob->get('MagentoCatalogModelProduct')->load($configurableId);

    $configurableOptions = $optionsFactory->create($configurableAttributesData);

    $extensionConfigurableAttributes = $product->getExtensionAttributes();
    $extensionConfigurableAttributes->setConfigurableProductOptions($configurableOptions);
    $extensionConfigurableAttributes->setConfigurableProductLinks($associatedProductIds);
    $product->setExtensionAttributes($extensionConfigurableAttributes);


    $product->setTypeId(Configurable::TYPE_CODE)
        ->setAttributeSetId($attributeSetId)
        ->setWebsiteIds([1])
        ->setName($data['data']['name'].'- configurable')
        ->setSku($data['data']['name'].'c')
        ->setDescription($data['data']['description'])
        ->setPrice($data['data']['price'])
        ->setVisibility(Visibility::VISIBILITY_BOTH)
        ->setStatus(Status::STATUS_ENABLED)
        ->setStockData(['use_config_manage_stock' => 1, 'is_in_stock' => 1])
        ->setHasOptions(1)
        ;

    $product=$productRepository->save($product);

    if($custom) {
        $options=array('tet1'=>1,'test3'=>2);
        $this->createCustomOptions($product,'custom option conf',$options);
    }

//        if(isset($data['data']['image'])) {
            //$this->addImage($product,$imagePath.$data['data']['image']);
//        }

    return $product->getId();

}



public function addImage (Product $product, $imagePath) {

    $this->_imageContentInterfaceFactory=$this->_objectManager->get('MagentoFrameworkApiDataImageContentInterfaceFactory');
    $this->_productAttributeMediaGalleryEntryInterfaceFactory=$this->_objectManager->get('MagentoCatalogApiDataProductAttributeMediaGalleryEntryInterfaceFactory');
    $this->_productAttributeMediaGalleryManagement=$this->_objectManager->get('MagentoCatalogModelProductGalleryGalleryManagement');

    $imageContent = $this->_imageContentInterfaceFactory->create()
        ->setBase64EncodedData(base64_encode(file_get_contents($imagePath)))
        ->setType($this->getMimeType($imagePath))
        ->setName($product->getSku());

    $newImage = $this->_productAttributeMediaGalleryEntryInterfaceFactory->create()
        ->setMediaType(MagentoCatalogModelProductAttributeBackendMediaImageEntryConverter::MEDIA_TYPE_CODE)
        ->setFile($imagePath)
        ->setDisabled(0)
        ->setContent($imageContent)
        ->setLabel('image')
        ->setTypes(['thumbnail', 'image', 'small_image'])
    ;

    $this->_productAttributeMediaGalleryManagement->create($product->getSku(), $newImage);

    return true;
}


public function getMimeType($fileName)
{
    list($this->_imageSrcWidth, $this->_imageSrcHeight, $this->_fileType, ) = getimagesize($fileName);
    $this->_fileMimeType = image_type_to_mime_type($this->_fileType);
    return $this->_fileMimeType;
}