Migration fixes (librenms#9776)

* add migrate:install to lnms, but hide it

* Fix Database migration validation

* remove extra import

* Don't allow install to continue if db build fails

LibreNMS/DB/Schema.php

@@ -27,6 +27,7 @@
 
 use LibreNMS\Config;
 use Symfony\Component\Yaml\Yaml;
+use \Schema as LaravelSchema;
 
 class Schema
 {
@@ -39,6 +40,51 @@ class Schema
     private $relationships;
     private $schema;
 
+    /**
+     * Check the database to see if the migrations have all been run
+     *
+     * @return bool
+     */
+    public static function isCurrent()
+    {
+        if (LaravelSchema::hasTable('migrations')) {
+            return self::getMigrationFiles()->diff(self::getAppliedMigrations())->isEmpty();
+        }
+
+        return false;
+    }
+
+    /**
+     * Check for extra migrations and return them
+     *
+     * @return \Illuminate\Support\Collection
+     */
+    public static function getUnexpectedMigrations()
+    {
+        return self::getAppliedMigrations()->diff(self::getMigrationFiles());
+    }
+
+    /**
+     * @return \Illuminate\Support\Collection
+     */
+    private static function getMigrationFiles()
+    {
+        $migrations = collect(glob(base_path('database/migrations/') . '*.php'))
+            ->map(function ($migration_file) {
+                return basename($migration_file, '.php');
+            });
+        return $migrations;
+    }
+
+    /**
+     * @return \Illuminate\Support\Collection
+     */
+    private static function getAppliedMigrations()
+    {
+        $db = Eloquent::DB()->table('migrations')->pluck('migration');
+        return $db;
+    }
+
     /**
      * Get the primary key column(s) for a table
      *

LibreNMS/Validations/Database.php

@@ -29,6 +29,7 @@
 use Carbon\CarbonInterval;
 use LibreNMS\Config;
 use LibreNMS\DB\Eloquent;
+use LibreNMS\DB\Schema;
 use LibreNMS\ValidationResult;
 use LibreNMS\Validator;
 use Symfony\Component\Yaml\Yaml;
@@ -49,11 +50,15 @@ public function validate(Validator $validator)
         $latest = 1000;
 
         if ($current === 0 || $current === $latest) {
-            \Artisan::call('migrate', ['--pretend' => true, '--force' => true]);
-            if (\Artisan::output() !== "Nothing to migrate.\n") {
+            if (!Schema::isCurrent()) {
                 $validator->fail("Your database is out of date!", './lnms migrate');
                 return;
             }
+
+            if ($migrations = Schema::getUnexpectedMigrations()) {
+                $validator->warn("Your database schema has extra migrations (" . $migrations->implode(', ') .
+                "). If you just switched to the stable release from the daily release, your database is in between releases and this will be resolved with the next release.");
+            }
         } elseif ($current < $latest) {
             $validator->fail(
                 "Your database schema ($current) is older than the latest ($latest).",

app/Console/MigrateInstallCommand.php

@@ -0,0 +1,33 @@
+<?php
+/**
+ * MigrateInstallCommand.php
+ *
+ * -Description-
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @package    LibreNMS
+ * @link       http://librenms.org
+ * @copyright  2019 Tony Murray
+ * @author     Tony Murray <murraytony@gmail.com>
+ */
+
+namespace App\Console;
+
+use Illuminate\Database\Console\Migrations\InstallCommand;
+
+class MigrateInstallCommand extends InstallCommand
+{
+    protected $hidden = true;
+}

app/Providers/CliServiceProvider.php

@@ -2,6 +2,7 @@
 
 namespace App\Providers;
 
+use App\Console\MigrateInstallCommand;
 use Illuminate\Foundation\Providers\ArtisanServiceProvider;
 
 class CliServiceProvider extends ArtisanServiceProvider
@@ -12,6 +13,7 @@ public function register()
         if (defined('LIBRENMS_CLI') && $this->app->environment() == 'production') {
             $this->commands = array_intersect_key($this->commands, [
                 "Migrate" => true,
+                "MigrateInstall" => true,
             ]);
 
             $this->registerCommands($this->commands);
@@ -28,4 +30,12 @@ protected function registerModelMakeCommand()
             return new \App\Console\ModelMakeCommand($app['files']);
         });
     }
+
+    protected function registerMigrateInstallCommand()
+    {
+        // override so we can hide it
+        $this->app->singleton('command.migrate.install', function ($app) {
+            return new MigrateInstallCommand($app['migration.repository']);
+        });
+    }
 }

html/includes/output/db-update.inc.php

@@ -63,9 +63,15 @@
 
     echo \Artisan::output();
 
-    echo $ret == 0 ? "\n\nSuccess!" : "\n\nError!";
+    if ($ret == 0 && \LibreNMS\DB\Schema::isCurrent()) {
+        echo "\n\nSuccess!";
+    } else {
+        echo "\n\nError!";
+        http_response_code(500);
+    }
 } catch (Exception $e) {
     echo $e->getMessage() . "\n\nError!";
+    http_response_code(500);
 }
 
 ob_end_flush();