Fix forgotten migration that caused node deletions to not be cascaded to all allocations.

closes pterodactyl#795

Author: DaneEveritt

CHANGELOG.md

@@ -11,6 +11,7 @@ This project follows [Semantic Versioning](http://semver.org) guidelines.
 * `[beta.2]` — Someone found a `@todo` that I never `@todid` and thus database hosts could not be created without being linked to a node. This is fixed...
 * `[beta.2]` — Fixes bug that caused incorrect rendering of CPU usage on server graphs due to missing variable.
 * `[beta.2]` — Fixes bug causing schedules to be un-deletable.
+* `[beta.2]` — Fixes bug that prevented the deletion of nodes due to an allocation deletion cascade issue with the SQL schema.
 
 ### Changed
 * Revoking the administrative status for an admin will revoke all authentication tokens currently assigned to their account.

database/migrations/2017_12_04_184012_DropAllocationsWhenNodeIsDeleted.php

@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class DropAllocationsWhenNodeIsDeleted extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up()
+    {
+        Schema::table('allocations', function (Blueprint $table) {
+            $table->dropForeign(['node_id']);
+
+            $table->foreign('node_id')->references('id')->on('nodes')->onDelete('cascade');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down()
+    {
+        Schema::table('allocations', function (Blueprint $table) {
+            $table->dropForeign(['node_id']);
+
+            $table->foreign('node_id')->references('id')->on('nodes');
+        });
+    }
+}