Add database host management to panel.

database/migrations/2017_03_16_181109_ReOrganizeDatabaseServersToDatabaseHost.php

@@ -0,0 +1,48 @@
+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class ReOrganizeDatabaseServersToDatabaseHost extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('database_servers', function (Blueprint $table) {
+            $table->dropForeign(['linked_node']);
+        });
+
+        Schema::rename('database_servers', 'database_hosts');
+
+        Schema::table('database_hosts', function (Blueprint $table) {
+            $table->renameColumn('linked_node', 'node_id');
+
+            $table->foreign('node_id')->references('id')->on('nodes');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('database_hosts', function (Blueprint $table) {
+            $table->dropForeign(['node_id']);
+        });
+
+        Schema::rename('database_hosts', 'database_servers');
+
+        Schema::table('database_servers', function (Blueprint $table) {
+            $table->renameColumn('node_id', 'linked_node');
+
+            $table->foreign('linked_node')->references('id')->on('nodes');
+        });
+    }
+}

database/migrations/2017_03_16_181515_CleanupDatabasesDatabase.php

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+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class CleanupDatabasesDatabase extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('databases', function (Blueprint $table) {
+            $table->dropForeign(['db_server']);
+
+            $table->renameColumn('db_server', 'database_host_id');
+
+            $table->foreign('database_host_id')->references('id')->on('database_hosts');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('databases', function (Blueprint $table) {
+            $table->dropForeign(['database_host_id']);
+
+            $table->renameColumn('database_host_id', 'db_server');
+
+            $table->foreign('db_server')->references('id')->on('database_hosts');
+        });
+    }
+}