Added version to credits and metrics page

.gitlab-ci.yml

@@ -38,7 +38,9 @@ build-image:
   <<: *docker_definition
   stage: build
   script:
-    - docker build --pull --build-arg NGINX_IMAGE="${TEST_IMAGE}-nginx" -t "${TEST_IMAGE}" -f contrib/Dockerfile .
+    - apk -q add git
+    - VERSION="$(git describe --abbrev=0 --tags)-${CI_COMMIT_REF_NAME}+${CI_PIPELINE_ID}.${CI_COMMIT_SHORT_SHA}"
+    - docker build --pull --build-arg NGINX_IMAGE="${TEST_IMAGE}-nginx" --build-arg VERSION="${VERSION}" -t "${TEST_IMAGE}" -f contrib/Dockerfile .
     - docker push "${TEST_IMAGE}"
 
 test:

config/app.php

@@ -27,6 +27,7 @@ return [
         \Engelsystem\Middleware\SessionHandlerServiceProvider::class,
 
         // Additional services
+        \Engelsystem\Helpers\VersionServiceProvider::class,
         \Engelsystem\Mail\MailerServiceProvider::class,
     ],
 

contrib/Dockerfile

@@ -32,6 +32,9 @@ COPY --from=composer /app/composer.lock /app/
 RUN find /app/storage/ -type f -not -name .gitignore -exec rm {} \;
 RUN rm -f /app/import/* /app/config/config.php
 
+ARG VERSION
+RUN if [[ ! -f /app/storage/app/VERSION ]] && [[ ! -z "${VERSION}" ]]; then echo -n "${VERSION}" > /app/storage/app/VERSION; fi
+
 # Build the PHP container
 FROM php:7-fpm-alpine
 WORKDIR /var/www

resources/views/pages/credits.twig

@@ -15,6 +15,7 @@
 
             <div class="col-md-4">
                 <h2>Source code</h2>
+                <p>Version: <i>{{ version }}</i></p>
                 <p>
                     The original engelsystem was written by
                     <a href="https://github.com/cookieBerlin/engelsystem">cookie</a>.

src/Application.php

@@ -111,6 +111,7 @@ class Application extends Container
         $this->instance('path.lang', $this->get('path.resources') . DIRECTORY_SEPARATOR . 'lang');
         $this->instance('path.views', $this->get('path.resources') . DIRECTORY_SEPARATOR . 'views');
         $this->instance('path.storage', $appPath . DIRECTORY_SEPARATOR . 'storage');
+        $this->instance('path.storage.app', $this->get('path.storage') . DIRECTORY_SEPARATOR . 'app');
         $this->instance('path.cache', $this->get('path.storage') . DIRECTORY_SEPARATOR . 'cache');
         $this->instance('path.cache.routes', $this->get('path.cache') . DIRECTORY_SEPARATOR . 'routes.cache.php');
         $this->instance('path.cache.views', $this->get('path.cache') . DIRECTORY_SEPARATOR . 'views');

src/Controllers/CreditsController.php

@@ -3,6 +3,7 @@
 namespace Engelsystem\Controllers;
 
 use Engelsystem\Config\Config;
+use Engelsystem\Helpers\Version;
 use Engelsystem\Http\Response;
 
 class CreditsController extends BaseController
@@ -13,14 +14,19 @@ class CreditsController extends BaseController
     /** @var Response */
     protected $response;
 
+    /** @var Version */
+    protected $version;
+
     /**
      * @param Response $response
      * @param Config   $config
+     * @param Version  $version
      */
-    public function __construct(Response $response, Config $config)
+    public function __construct(Response $response, Config $config, Version $version)
     {
         $this->config = $config;
         $this->response = $response;
+        $this->version = $version;
     }
 
     /**
@@ -30,7 +36,10 @@ class CreditsController extends BaseController
     {
         return $this->response->withView(
             'pages/credits.twig',
-            ['credits' => $this->config->get('credits')]
+            [
+                'credits' => $this->config->get('credits'),
+                'version' => $this->version->getVersion(),
+            ]
         );
     }
 }

src/Controllers/Metrics/Controller.php

@@ -4,6 +4,7 @@ namespace Engelsystem\Controllers\Metrics;
 
 use Engelsystem\Config\Config;
 use Engelsystem\Controllers\BaseController;
+use Engelsystem\Helpers\Version;
 use Engelsystem\Http\Exceptions\HttpForbidden;
 use Engelsystem\Http\Request;
 use Engelsystem\Http\Response;
@@ -26,25 +27,31 @@ class Controller extends BaseController
     /** @var Stats */
     protected $stats;
 
+    /** @var Version */
+    protected $version;
+
     /**
      * @param Response      $response
      * @param MetricsEngine $engine
      * @param Config        $config
      * @param Request       $request
      * @param Stats         $stats
+     * @param Version       $version
      */
     public function __construct(
         Response $response,
         MetricsEngine $engine,
         Config $config,
         Request $request,
-        Stats $stats
+        Stats $stats,
+        Version $version
     ) {
         $this->config = $config;
         $this->engine = $engine;
         $this->request = $request;
         $this->response = $response;
         $this->stats = $stats;
+        $this->version = $version;
     }
 
     /**
@@ -68,6 +75,18 @@ class Controller extends BaseController
 
         $data = [
             $this->config->get('app_name') . ' stats',
+            'info'                 => [
+                'type' => 'gauge',
+                'help' => 'About the environment',
+                [
+                    'labels' => [
+                        'os'      => PHP_OS_FAMILY,
+                        'php'     => implode('.', [PHP_MAJOR_VERSION, PHP_MINOR_VERSION]),
+                        'version' => $this->version->getVersion(),
+                    ],
+                    'value'  => 1,
+                ],
+            ],
             'users'                => [
                 'type' => 'gauge',
                 ['labels' => ['state' => 'incoming'], 'value' => $this->stats->newUsers()],

src/Helpers/Version.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace Engelsystem\Helpers;
+
+use Engelsystem\Config\Config;
+
+class Version
+{
+    /** @var Config */
+    protected $config;
+
+    /** @vat string */
+    protected $storage;
+
+    /** @var string */
+    protected $versionFile = 'VERSION';
+
+    /**
+     * @param string $storage
+     * @param Config $config
+     */
+    public function __construct(string $storage, Config $config)
+    {
+        $this->storage = $storage;
+        $this->config = $config;
+    }
+
+    /**
+     * @return string
+     */
+    public function getVersion()
+    {
+        $file = $this->storage . DIRECTORY_SEPARATOR . $this->versionFile;
+
+        $version = 'n/a';
+        if (file_exists($file)) {
+            $version = trim(file_get_contents($file));
+        }
+
+        return $this->config->get('version', $version);
+    }
+}

src/Helpers/VersionServiceProvider.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace Engelsystem\Helpers;
+
+use Engelsystem\Container\ServiceProvider;
+
+class VersionServiceProvider extends ServiceProvider
+{
+    public function register()
+    {
+        $this->app->when(Version::class)
+            ->needs('$storage')
+            ->give($this->app->get('path.storage.app'));
+    }
+}

storage/app/.gitignore

@@ -0,0 +1,2 @@
+/*
+!.gitignore

tests/Unit/Controllers/CreditsControllerTest.php

@@ -4,9 +4,10 @@ namespace Engelsystem\Test\Unit\Controllers;
 
 use Engelsystem\Config\Config;
 use Engelsystem\Controllers\CreditsController;
+use Engelsystem\Helpers\Version;
 use Engelsystem\Http\Response;
+use Engelsystem\Test\Unit\TestCase;
 use PHPUnit\Framework\MockObject\MockObject;
-use PHPUnit\Framework\TestCase;
 
 class CreditsControllerTest extends TestCase
 {
@@ -19,12 +20,17 @@ class CreditsControllerTest extends TestCase
         /** @var Response|MockObject $response */
         $response = $this->createMock(Response::class);
         $config = new Config(['foo' => 'bar', 'credits' => ['lor' => 'em']]);
+        /** @var Version|MockObject $version */
+        $version = $this->createMock(Version::class);
 
-        $response->expects($this->once())
-            ->method('withView')
-            ->with('pages/credits.twig', ['credits' => ['lor' => 'em']]);
+        $this->setExpects(
+            $response,
+            'withView',
+            ['pages/credits.twig', ['credits' => ['lor' => 'em'], 'version' => '42.1.0-test']]
+        );
+        $this->setExpects($version, 'getVersion', [], '42.1.0-test');
 
-        $controller = new CreditsController($response, $config);
+        $controller = new CreditsController($response, $config, $version);
         $controller->index();
     }
 }

tests/Unit/Controllers/Metrics/ControllerTest.php

@@ -6,6 +6,7 @@ use Engelsystem\Config\Config;
 use Engelsystem\Controllers\Metrics\Controller;
 use Engelsystem\Controllers\Metrics\MetricsEngine;
 use Engelsystem\Controllers\Metrics\Stats;
+use Engelsystem\Helpers\Version;
 use Engelsystem\Http\Exceptions\HttpForbidden;
 use Engelsystem\Http\Request;
 use Engelsystem\Http\Response;
@@ -28,7 +29,8 @@ class ControllerTest extends TestCase
         /** @var MetricsEngine|MockObject $engine */
         /** @var Stats|MockObject $stats */
         /** @var Config $config */
-        list($response, $request, $engine, $stats, $config) = $this->getMocks();
+        /** @var Version|MockObject $version */
+        list($response, $request, $engine, $stats, $config, $version) = $this->getMocks();
 
         $request->server = new ServerBag();
         $request->server->set('REQUEST_TIME_FLOAT', 0.0123456789);
@@ -37,6 +39,7 @@ class ControllerTest extends TestCase
             ->method('get')
             ->willReturnCallback(function ($path, $data) use ($response) {
                 $this->assertEquals('/metrics', $path);
+                $this->assertArrayHasKey('info', $data);
                 $this->assertArrayHasKey('users', $data);
                 $this->assertArrayHasKey('licenses', $data);
                 $this->assertArrayHasKey('users_working', $data);
@@ -122,7 +125,9 @@ class ControllerTest extends TestCase
             'XL' => 'X Large',
         ]);
 
-        $controller = new Controller($response, $engine, $config, $request, $stats);
+        $this->setExpects($version, 'getVersion', [], '0.42.42');
+
+        $controller = new Controller($response, $engine, $config, $request, $stats, $version);
         $controller->metrics();
     }
 
@@ -137,7 +142,8 @@ class ControllerTest extends TestCase
         /** @var MetricsEngine|MockObject $engine */
         /** @var Stats|MockObject $stats */
         /** @var Config $config */
-        list($response, $request, $engine, $stats, $config) = $this->getMocks();
+        /** @var Version|MockObject $version */
+        list($response, $request, $engine, $stats, $config, $version) = $this->getMocks();
 
         $response->expects($this->once())
             ->method('withHeader')
@@ -168,7 +174,7 @@ class ControllerTest extends TestCase
         $this->setExpects($stats, 'arrivedUsers', null, 10, $this->exactly(2));
         $this->setExpects($stats, 'currentlyWorkingUsers', null, 5);
 
-        $controller = new Controller($response, $engine, $config, $request, $stats);
+        $controller = new Controller($response, $engine, $config, $request, $stats, $version);
         $controller->stats();
     }
 
@@ -182,7 +188,8 @@ class ControllerTest extends TestCase
         /** @var MetricsEngine|MockObject $engine */
         /** @var Stats|MockObject $stats */
         /** @var Config $config */
-        list($response, $request, $engine, $stats, $config) = $this->getMocks();
+        /** @var Version|MockObject $version */
+        list($response, $request, $engine, $stats, $config, $version) = $this->getMocks();
 
         $request->expects($this->once())
             ->method('get')
@@ -191,7 +198,7 @@ class ControllerTest extends TestCase
 
         $config->set('api_key', 'fooBar!');
 
-        $controller = new Controller($response, $engine, $config, $request, $stats);
+        $controller = new Controller($response, $engine, $config, $request, $stats, $version);
 
         $this->expectException(HttpForbidden::class);
         $this->expectExceptionMessage(json_encode(['error' => 'The api_key is invalid']));
@@ -212,7 +219,8 @@ class ControllerTest extends TestCase
         /** @var Stats|MockObject $stats */
         $stats = $this->createMock(Stats::class);
         $config = new Config();
+        $version = $this->createMock(Version::class);
 
-        return [$response, $request, $engine, $stats, $config];
+        return [$response, $request, $engine, $stats, $config, $version];
     }
 }

tests/Unit/Helpers/Stub/files/VERSION

@@ -0,0 +1 @@
+0.42.0-testing

tests/Unit/Helpers/VersionServiceProviderTest.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace Engelsystem\Test\Unit\Helpers;
+
+use Engelsystem\Application;
+use Engelsystem\Helpers\Version;
+use Engelsystem\Helpers\VersionServiceProvider;
+use Engelsystem\Test\Unit\ServiceProviderTest;
+
+class VersionServiceProviderTest extends ServiceProviderTest
+{
+    /**
+     * @covers \Engelsystem\Helpers\VersionServiceProvider::register
+     */
+    public function testRegister()
+    {
+        $app = new Application();
+        $app->instance('path.storage.app', '/tmp');
+
+        $serviceProvider = new VersionServiceProvider($app);
+        $serviceProvider->register();
+
+        $this->assertArrayHasKey(Version::class, $app->contextual);
+    }
+}

tests/Unit/Helpers/VersionTest.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace Engelsystem\Test\Unit\Helpers;
+
+use Engelsystem\Config\Config;
+use Engelsystem\Helpers\Version;
+use Engelsystem\Test\Unit\ServiceProviderTest;
+
+class VersionTest extends ServiceProviderTest
+{
+    /**
+     * @covers \Engelsystem\Helpers\Version::__construct
+     * @covers \Engelsystem\Helpers\Version::getVersion
+     */
+    public function testGetVersion()
+    {
+        $config = new Config();
+        $version = new Version(__DIR__ . '/Stub', $config);
+
+        $this->assertEquals('n/a', $version->getVersion());
+
+        $version = new Version(__DIR__ . '/Stub/files', $config);
+        $this->assertEquals('0.42.0-testing', $version->getVersion());
+
+        $config->set('version', '1.2.3-dev');
+        $this->assertEquals('1.2.3-dev', $version->getVersion());
+    }
+}