Command to cleanup docker images (#495)

* add command to cleanup docker images

* automatically cleanup images daily

* fix request

* fix empty check

* run pint

app/Console/Commands/Maintenance/PruneImagesCommand.php

@@ -0,0 +1,60 @@
+<?php
+
+namespace App\Console\Commands\Maintenance;
+
+use App\Models\Node;
+use Exception;
+use Illuminate\Console\Command;
+use Illuminate\Support\Facades\Http;
+
+class PruneImagesCommand extends Command
+{
+    protected $signature = 'p:maintenance:prune-images {node?}';
+
+    protected $description = 'Clean up all dangling docker images to clear up disk space.';
+
+    public function handle(): void
+    {
+        $node = $this->argument('node');
+
+        if (empty($node)) {
+            $nodes = Node::all();
+            /** @var Node $node */
+            foreach ($nodes as $node) {
+                $this->cleanupImages($node);
+            }
+        } else {
+            $this->cleanupImages((int) $node);
+        }
+    }
+
+    private function cleanupImages(int|Node $node): void
+    {
+        if (!$node instanceof Node) {
+            $node = Node::query()->findOrFail($node);
+        }
+
+        try {
+            $response = Http::daemon($node)
+                ->connectTimeout(5)
+                ->timeout(30)
+                ->delete('/api/system/docker/image/prune')
+                ->json() ?? [];
+
+            if (empty($response) || $response['ImagesDeleted'] === null) {
+                $this->warn("Node {$node->id}: No images to clean up.");
+
+                return;
+            }
+
+            $count = count($response['ImagesDeleted']);
+
+            $useBinaryPrefix = config('panel.use_binary_prefix');
+            $space = round($useBinaryPrefix ? $response['SpaceReclaimed'] / 1024 / 1024 : $response['SpaceReclaimed'] / 1000 / 1000, 2) . ($useBinaryPrefix ? ' MiB' : ' MB');
+
+            $this->info("Node {$node->id}: Cleaned up {$count} dangling docker images. ({$space})");
+        } catch (Exception $exception) {
+            $this->error($exception->getMessage());
+        }
+    }
+}

app/Console/Kernel.php

@@ -10,6 +10,7 @@ use Illuminate\Foundation\Console\Kernel as ConsoleKernel;
 use App\Console\Commands\Schedule\ProcessRunnableCommand;
 use App\Console\Commands\Maintenance\PruneOrphanedBackupsCommand;
 use App\Console\Commands\Maintenance\CleanServiceBackupFilesCommand;
+use App\Console\Commands\Maintenance\PruneImagesCommand;
 
 class Kernel extends ConsoleKernel
 {
@@ -31,7 +32,9 @@ class Kernel extends ConsoleKernel
 
         // Execute scheduled commands for servers every minute, as if there was a normal cron running.
         $schedule->command(ProcessRunnableCommand::class)->everyMinute()->withoutOverlapping();
+
         $schedule->command(CleanServiceBackupFilesCommand::class)->daily();
+        $schedule->command(PruneImagesCommand::class)->daily();
 
         $schedule->job(new NodeStatistics())->everyFiveSeconds()->withoutOverlapping();