* working version

src/App/Command/EnsureImagePresent.php

@@ -0,0 +1,55 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Command;
+
+use App\Service\ArmImageDownloader;
+use Doctrine\Common\Collections\Collection;
+use Exception;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class EnsureImagePresent extends Command
+{
+    use SharedStorage,
+        AutoOptions;
+
+    const NAME = "standalone:image:ensure-present";
+    const OPTIONS = [
+        "remote-host",
+        "image-store",
+        "r-state",
+    ];
+
+    /** @var ArmImageDownloader */
+    private $downloader;
+
+    public function __construct(ArmImageDownloader $downloader, Collection $storage)
+    {
+        $this->downloader = $downloader;
+        $this->sharedStorage = $storage;
+        parent::__construct();
+    }
+
+    protected function configure()
+    {
+        $this->setName(self::NAME)->setDescription('Generate onboard package');
+        $this->configureOptions();;
+    }
+
+    /**
+     * @param InputInterface $input
+     * @param OutputInterface $output
+     * @throws Exception
+     */
+    protected function execute(InputInterface $input, OutputInterface $output)
+    {
+        $functionArgs = $this->getFunctionArgs($input);
+        if ($this->downloader->isRemoteImageMissing(...$functionArgs)) {
+            $this->downloader->downloadImageToRemote(...$functionArgs);
+        }
+        $this->downloader->uncompressImage(...$functionArgs);
+    }
+}