feat(backups): add configurable CPU usage for volume compression

Add server-level compression CPU presets for volume backups and close the private key modal after saving.

tests/Feature/Security/PrivateKeyDropdownTest.php

@@ -60,6 +60,22 @@ test('generating a private key from the index stores it without redirecting to a
         ->assertNoRedirect();
 });
 
+test('saving a private key from its modal editor closes the modal', function () {
+    $privateKey = PrivateKey::factory()->create([
+        'team_id' => $this->team->id,
+    ]);
+
+    Livewire::test(Show::class, [
+        'private_key_uuid' => $privateKey->uuid,
+        'modalMode' => true,
+    ])->set('name', 'Updated SSH key')
+        ->call('changePrivateKey')
+        ->assertDispatched('securityResourceChanged')
+        ->assertDispatched('close-modal');
+
+    expect($privateKey->fresh()->name)->toBe('Updated SSH key');
+});
+
 test('manual private key form does not expose key generation controls', function () {
     Livewire::test(Create::class)
         ->assertDontSee('Generate new ED25519 SSH Key')

tests/Feature/ServerBackupCompressionSettingTest.php

@@ -0,0 +1,52 @@
+<?php
+
+use App\Livewire\Server\Advanced;
+use App\Models\Server;
+use App\Models\Team;
+use App\Models\User;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Livewire\Livewire;
+
+uses(RefreshDatabase::class);
+
+it('defaults and saves the server backup compression CPU preset', function () {
+    $team = Team::factory()->create();
+    $user = User::factory()->create();
+    $team->members()->attach($user, ['role' => 'owner']);
+    $server = Server::factory()->create(['team_id' => $team->id]);
+
+    $this->actingAs($user);
+    session(['currentTeam' => $team]);
+
+    expect($server->settings->backup_compression_cpu_percentage)->toBe(25);
+
+    Livewire::test(Advanced::class, ['server_uuid' => $server->uuid])
+        ->assertSet('backupCompressionCpuPercentage', 25)
+        ->assertSee('Backup compression CPU')
+        ->assertSee('Sets how many CPU threads can be used to compress volume backups')
+        ->assertDontSee('gzip fallback')
+        ->assertSee('Low (25%)')
+        ->set('backupCompressionCpuPercentage', 75)
+        ->call('instantSave')
+        ->assertHasNoErrors()
+        ->assertDispatched('success');
+
+    expect($server->settings->fresh()->backup_compression_cpu_percentage)->toBe(75);
+});
+
+it('rejects unsupported server backup compression CPU percentages', function () {
+    $team = Team::factory()->create();
+    $user = User::factory()->create();
+    $team->members()->attach($user, ['role' => 'owner']);
+    $server = Server::factory()->create(['team_id' => $team->id]);
+
+    $this->actingAs($user);
+    session(['currentTeam' => $team]);
+
+    Livewire::test(Advanced::class, ['server_uuid' => $server->uuid])
+        ->set('backupCompressionCpuPercentage', 30)
+        ->call('instantSave')
+        ->assertHasErrors(['backupCompressionCpuPercentage']);
+
+    expect($server->settings->fresh()->backup_compression_cpu_percentage)->toBe(25);
+});

tests/Feature/VolumeBackupTest.php

@@ -1570,11 +1570,12 @@ it('marks a running execution failed even when the job instance lost its executi
         && str_contains($process->command, 'timed-out.tar.gz'));
 });
 
-it('archives a named volume on its server', function () {
+it('archives a named volume using the server compression CPU percentage', function (int $compressionCpuPercentage) {
     config(['broadcasting.default' => 'null']);
     InstanceSettings::unguarded(fn () => InstanceSettings::create(['id' => 0]));
     $team = Team::factory()->create();
-    [$application, $volume] = createVolumeBackupApplication($team);
+    [$application, $volume, $server] = createVolumeBackupApplication($team);
+    $server->settings->update(['backup_compression_cpu_percentage' => $compressionCpuPercentage]);
     $backup = $volume->scheduledBackups()->create([
         'team_id' => $team->id,
         'frequency' => 'daily',
@@ -1608,13 +1609,16 @@ it('archives a named volume on its server', function () {
         && str_contains($process->command, 'app-data:/volume:ro')
         && str_contains($process->command, 'command -v pigz')
         && str_contains($process->command, 'pigz -3 -p')
-        && str_contains($process->command, '$(nproc) + 1')
+        && str_contains($process->command, "\$(nproc) * {$compressionCpuPercentage} + 99")
         && str_contains($process->command, 'gzip -3')
         && str_contains($process->command, 'tar -I "$compressor" -cf -')
         && str_contains($process->command, '> ')
         && str_contains($process->command, '.tar.gz')
         && ! str_contains($process->command, ':/backup'));
-});
+})->with([
+    'low' => 25,
+    'high' => 75,
+]);
 
 it('logs the selected volume backup compressor in development', function (string $detectedCompressor) {
     config(['app.env' => 'local', 'broadcasting.default' => 'null']);
@@ -1644,7 +1648,8 @@ it('logs the selected volume backup compressor in development', function (string
     Log::shouldHaveReceived('info')->once()->with(
         'Volume backup compressor selected',
         Mockery::on(fn (array $context): bool => $context['compressor'] === $detectedCompressor
-            && $context['backup_id'] === $backup->id),
+            && $context['backup_id'] === $backup->id
+            && $context['cpu_percentage'] === 25),
     );
 })->with([
     'pigz' => 'pigz -3 -p 4',