Basic implemention of multiple selectable images for an egg

The admin side of this is quite ugly when creating/editing a server, but I'm not putting effort into that right now with React Admin soon™

app/Http/Controllers/Admin/Servers/CreateServerController.php

@@ -111,17 +111,19 @@ class CreateServerController extends Controller
      *
      * @throws \Illuminate\Validation\ValidationException
      * @throws \Pterodactyl\Exceptions\DisplayException
-     * @throws \Pterodactyl\Exceptions\Model\DataValidationException
-     * @throws \Pterodactyl\Exceptions\Repository\RecordNotFoundException
      * @throws \Pterodactyl\Exceptions\Service\Deployment\NoViableAllocationException
      * @throws \Pterodactyl\Exceptions\Service\Deployment\NoViableNodeException
      * @throws \Throwable
      */
     public function store(ServerFormRequest $request)
     {
-        $server = $this->creationService->handle(
+        $data = $request->except(['_token']);
-            $request->except(['_token'])
+        if (!empty($data['custom_image'])) {
-        );
+            $data['image'] = $data['custom_image'];
+            unset($data['custom_image']);
+        }
+
+        $server = $this->creationService->handle($data);
 
         $this->alert->success(
             trans('admin/server.alerts.server_created')

app/Http/Controllers/Admin/ServersController.php

@@ -334,14 +334,19 @@ class ServersController extends Controller
      * @return \Illuminate\Http\RedirectResponse
      *
      * @throws \Illuminate\Validation\ValidationException
-     * @throws \Pterodactyl\Exceptions\Repository\RecordNotFoundException
      */
     public function saveStartup(Request $request, Server $server)
     {
+        $data = $request->except('_token');
+        if (!empty($data['custom_docker_image'])) {
+            $data['docker_image'] = $data['custom_docker_image'];
+            unset($data['custom_docker_image']);
+        }
+
         try {
             $this->startupModificationService
                 ->setUserLevel(User::USER_LEVEL_ADMIN)
-                ->handle($server, $request->except('_token'));
+                ->handle($server, $data);
         } catch (DataValidationException $exception) {
             throw new ValidationException($exception->validator);
         }

app/Http/Requests/Admin/ServerFormRequest.php

@@ -1,11 +1,4 @@
 <?php
-/**
- * Pterodactyl - Panel
- * Copyright (c) 2015 - 2017 Dane Everitt <dane@daneeveritt.com>.
- *
- * This software is licensed under the terms of the MIT license.
- * https://opensource.org/licenses/MIT
- */
 
 namespace Pterodactyl\Http\Requests\Admin;
 
@@ -23,6 +16,7 @@ class ServerFormRequest extends AdminFormRequest
     {
         $rules = Server::getRules();
         $rules['description'][] = 'nullable';
+        $rules['custom_image'] = 'sometimes|nullable|string';
 
         return $rules;
     }

app/Models/Egg.php

@@ -10,7 +10,9 @@ namespace Pterodactyl\Models;
  * @property string $name
  * @property string|null $description
  * @property array|null $features
- * @property string $docker_image
+ * @property string $docker_image -- deprecated, use $docker_images
+ * @property string $update_url
+ * @property array $docker_images
  * @property string|null $config_files
  * @property string|null $config_startup
  * @property string|null $config_logs
@@ -76,7 +78,7 @@ class Egg extends Model
         'name',
         'description',
         'features',
-        'docker_image',
+        'docker_images',
         'config_files',
         'config_startup',
         'config_logs',
@@ -101,6 +103,7 @@ class Egg extends Model
         'script_is_privileged' => 'boolean',
         'copy_script_from' => 'integer',
         'features' => 'array',
+        'docker_images' => 'array',
     ];
 
     /**
@@ -113,13 +116,15 @@ class Egg extends Model
         'description' => 'string|nullable',
         'features' => 'array|nullable',
         'author' => 'required|string|email',
-        'docker_image' => 'required|string|max:191',
+        'docker_images' => 'required|array|min:1',
+        'docker_images.*' => 'required|string',
         'startup' => 'required|nullable|string',
         'config_from' => 'sometimes|bail|nullable|numeric|exists:eggs,id',
         'config_stop' => 'required_without:config_from|nullable|string|max:191',
         'config_startup' => 'required_without:config_from|nullable|json',
         'config_logs' => 'required_without:config_from|nullable|json',
         'config_files' => 'required_without:config_from|nullable|json',
+        'update_url' => 'sometimes|nullable|string',
     ];
 
     /**
@@ -131,6 +136,7 @@ class Egg extends Model
         'config_startup' => null,
         'config_logs' => null,
         'config_files' => null,
+        'update_url' => null,
     ];
 
     /**

app/Services/Eggs/Sharing/EggExporterService.php

@@ -38,13 +38,14 @@ class EggExporterService
             '_comment' => 'DO NOT EDIT: FILE GENERATED AUTOMATICALLY BY PTERODACTYL PANEL - PTERODACTYL.IO',
             'meta' => [
                 'version' => 'PTDL_v1',
+                'update_url' => $egg->update_url,
             ],
             'exported_at' => Carbon::now()->toIso8601String(),
             'name' => $egg->name,
             'author' => $egg->author,
             'description' => $egg->description,
             'features' => $egg->features,
-            'image' => $egg->docker_image,
+            'images' => $egg->docker_images,
             'startup' => $egg->startup,
             'config' => [
                 'files' => $egg->inherit_config_files,

app/Services/Eggs/Sharing/EggImporterService.php

@@ -102,7 +102,10 @@ class EggImporterService
             'name' => object_get($parsed, 'name'),
             'description' => object_get($parsed, 'description'),
             'features' => object_get($parsed, 'features'),
-            'docker_image' => object_get($parsed, 'image'),
+            // Maintain backwards compatability for eggs that are still using the old single image
+            // string format. New eggs can provide an array of Docker images that can be used.
+            'docker_images' => object_get($parsed, 'images') ?? [object_get($parsed, 'image')],
+            'update_url' => object_get($parsed, 'meta.update_url'),
             'config_files' => object_get($parsed, 'config.files'),
             'config_startup' => object_get($parsed, 'config.startup'),
             'config_logs' => object_get($parsed, 'config.logs'),

app/Transformers/Api/Application/EggTransformer.php

@@ -45,7 +45,11 @@ class EggTransformer extends BaseTransformer
             'nest' => $model->nest_id,
             'author' => $model->author,
             'description' => $model->description,
-            'docker_image' => $model->docker_image,
+            // "docker_image" is deprecated, but left here to avoid breaking too many things at once
+            // in external software. We'll remove it down the road once things have gotten the chance
+            // to upgrade to using "docker_images".
+            'docker_image' => count($model->docker_images) > 0 ? $model->docker_images[0] : '',
+            'docker_images' => $model->docker_images,
             'config' => [
                 'files' => json_decode($model->config_files, true),
                 'startup' => json_decode($model->config_startup, true),

database/migrations/2020_12_12_102435_support_multiple_docker_images_and_updates.php

@@ -0,0 +1,51 @@
+<?php
+
+use Illuminate\Support\Facades\DB;
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class SupportMultipleDockerImagesAndUpdates extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('eggs', function (Blueprint $table) {
+            $table->json('docker_images')->after('docker_image')->nullable();
+            $table->text('update_url')->after('docker_images')->nullable();
+        });
+
+        Schema::table('eggs', function (Blueprint $table) {
+            DB::statement('UPDATE `eggs` SET `docker_images` = JSON_ARRAY(docker_image)');
+        });
+
+        Schema::table('eggs', function (Blueprint $table) {
+            $table->dropColumn('docker_image');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('eggs', function (Blueprint $table) {
+            $table->text('docker_image')->after('docker_images');
+        });
+
+        Schema::table('eggs', function (Blueprint $table) {
+            DB::statement('UPDATE `eggs` SET `docker_image` = JSON_UNQUOTE(JSON_EXTRACT(docker_images, "$[0]"))');
+        });
+
+        Schema::table('eggs', function (Blueprint $table) {
+            $table->dropColumn('docker_images');
+            $table->dropColumn('update_url');
+        });
+    }
+}

public/themes/pterodactyl/js/admin/new-server.js

@@ -82,7 +82,13 @@ $('#pEggId').on('change', function (event) {
     let parentChain = _.get(Pterodactyl.nests, $('#pNestId').val(), null);
     let objectChain = _.get(parentChain, 'eggs.' + $(this).val(), null);
 
-    $('#pDefaultContainer').val(_.get(objectChain, 'docker_image', 'not defined!'));
+    const images = _.get(objectChain, 'docker_images', [])
+    for (let i = 0; i < images.length; i++) {
+        let opt = document.createElement('option');
+        opt.value = images[i];
+        opt.innerHTML = images[i];
+        $('#pDefaultContainer').append(opt);
+    }
 
     if (!_.get(objectChain, 'startup', false)) {
         $('#pStartup').val(_.get(parentChain, 'startup', 'ERROR: Startup Not Defined!'));

resources/views/admin/servers/new.blade.php

@@ -265,8 +265,9 @@
                 <div class="box-body row">
                     <div class="form-group col-xs-12">
                         <label for="pDefaultContainer">Docker Image</label>
-                        <input id="pDefaultContainer" name="image" value="{{ old('image') }}" class="form-control" />
+                        <select id="pDefaultContainer" name="image" class="form-control"></select>
-                        <p class="small text-muted no-margin">This is the default Docker image that will be used to run this server.</p>
+                        <input id="pDefaultContainerCustom" name="custom_image" value="{{ old('custom_image') }}" class="form-control" placeholder="Or enter a custom image..." style="margin-top:1rem"/>
+                        <p class="small text-muted no-margin">This is the default Docker image that will be used to run this server. Select an image from the dropdown above, or enter a custom image in the text field above.</p>
                     </div>
                 </div>
             </div>
@@ -323,11 +324,14 @@
                     @endforeach
                 @endif
             @endif
+            @if(old('image'))
+                $('#pDefaultContainer').val('{{ old('image') }}');
+            @endif
         }
         // END Persist 'Service Variables'
     </script>
 
-    {!! Theme::js('js/admin/new-server.js?v=20201003') !!}
+    {!! Theme::js('js/admin/new-server.js?v=20201212') !!}
 
     <script type="application/javascript">
         $(document).ready(function() {

resources/views/admin/servers/view/startup.blade.php

@@ -89,13 +89,14 @@
             </div>
             <div class="box">
                 <div class="box-header with-border">
-                    <h3 class="box-title">Docker Container Configuration</h3>
+                    <h3 class="box-title">Docker Image Configuration</h3>
                 </div>
                 <div class="box-body">
                     <div class="form-group">
-                        <label for="pDockerImage" class="control-label">Image</label>
+                        <label for="pDockerImage">Image</label>
-                        <input type="text" name="docker_image" id="pDockerImage" value="{{ $server->image }}" class="form-control" />
+                        <select id="pDockerImage" name="docker_image" class="form-control"></select>
-                        <p class="text-muted small">The Docker image to use for this server. The default image for the selected egg is <code id="setDefaultImage"></code>.</p>
+                        <input id="pDockerImageCustom" name="custom_docker_image" value="{{ old('custom_docker_image') }}" class="form-control" placeholder="Or enter a custom image..." style="margin-top:1rem"/>
+                        <p class="small text-muted no-margin">This is the Docker image that will be used to run this server. Select an image from the dropdown or enter a custom image in the text field above.</p>
                     </div>
                 </div>
             </div>
@@ -117,10 +118,25 @@
             var parentChain = _.get(Pterodactyl.nests, $("#pNestId").val());
             var objectChain = _.get(parentChain, 'eggs.' + selectedEgg);
 
-            $('#setDefaultImage').html(_.get(objectChain, 'docker_image', 'undefined'));
+            $('#setDefaultImage').html(_.get(objectChain, 'docker_images.0', 'undefined'));
-            $('#pDockerImage').val(_.get(objectChain, 'docker_image', 'undefined'));
+            const images = _.get(objectChain, 'docker_images', [])
+            for (let i = 0; i < images.length; i++) {
+                let opt = document.createElement('option');
+                opt.value = images[i];
+                opt.innerHTML = images[i];
+                if (objectChain.id === parseInt(Pterodactyl.server.egg_id) && Pterodactyl.server.image == opt.value) {
+                    opt.checked = true
+                }
+                $('#pDockerImage').append(opt);
+            }
+            $('#pDockerImage').on('change', function () {
+                $('#pDockerImageCustom').val('');
+            })
+
             if (objectChain.id === parseInt(Pterodactyl.server.egg_id)) {
-                $('#pDockerImage').val(Pterodactyl.server.image);
+                if ($('#pDockerImage').val() != Pterodactyl.server.image) {
+                    $('#pDockerImageCustom').val(Pterodactyl.server.image);
+                }
             }
 
             if (!_.get(objectChain, 'startup', false)) {