From dbfc7facce10e2d8215c80224c1db9c594f26a6b Mon Sep 17 00:00:00 2001
From: Eric Lippmann <eric.lippmann@icinga.com>
Date: Fri, 13 Dec 2019 13:54:51 +0100
Subject: [PATCH] Introduce HealthController

---
 application/controllers/HealthController.php | 104 +++++++++++++++++++
 1 file changed, 104 insertions(+)
 create mode 100644 application/controllers/HealthController.php

diff --git a/application/controllers/HealthController.php b/application/controllers/HealthController.php
new file mode 100644
index 00000000..bc3c6ff6
--- /dev/null
+++ b/application/controllers/HealthController.php
@@ -0,0 +1,104 @@
+<?php
+
+namespace Icinga\Module\Icingadb\Controllers;
+
+use Icinga\Module\Icingadb\Compat\CompatBackend;
+use Icinga\Module\Icingadb\Model\HoststateSummary;
+use Icinga\Module\Icingadb\Model\Instance;
+use Icinga\Module\Icingadb\Model\ServicestateSummary;
+use Icinga\Module\Icingadb\Web\Controller;
+use Icinga\Module\Icingadb\Widget\Health;
+use Icinga\Module\Icingadb\Widget\VerticalKeyValue;
+use Icinga\Module\Monitoring\Forms\Command\Instance\ToggleInstanceFeaturesCommandForm;
+use ipl\Html\Html;
+use ipl\Html\HtmlString;
+
+class HealthController extends Controller
+{
+    public function indexAction()
+    {
+        $this->setTitle($this->translate('Health'));
+
+        $db = $this->getDb();
+
+        $instance = Instance::on($db)->with(['endpoint']);
+        $hoststateSummary = HoststateSummary::on($db)->with('state');
+        $servicestateSummary = ServicestateSummary::on($db)->with('state');
+
+        $this->applyMonitoringRestriction($hoststateSummary);
+        $this->applyMonitoringRestriction($servicestateSummary);
+
+        yield $this->export($instance, $hoststateSummary, $servicestateSummary);
+
+        $instance = $instance->first();
+
+        if ($instance === null) {
+            $this->addContent(Html::tag(
+                'p',
+                'It seems that Icinga DB is not running.'
+                . ' Make sure Icinga DB is running and writing into the database.'
+            ));
+
+            return;
+        }
+
+        $hoststateSummary = $hoststateSummary->first();
+        $servicestateSummary = $servicestateSummary->first();
+
+        $this->content->addAttributes(['class' => 'monitoring-health']);
+
+        $this->addContent(new Health($instance));
+        $this->addContent(Html::tag('section', ['class' => 'check-summary'], [
+                Html::tag('div', ['class' => 'col'], [
+                    Html::tag('h3', 'Host Checks'),
+                    Html::tag('div', ['class' => 'col-content'], [
+                        new VerticalKeyValue(
+                            'Active',
+                            $hoststateSummary->hosts_active_checks_enabled
+                        ),
+                        new VerticalKeyValue(
+                            'Passive',
+                            $hoststateSummary->hosts_passive_checks_enabled
+                        )
+                    ])
+                ]),
+                Html::tag('div', ['class' => 'col'], [
+                    Html::tag('h3', 'Service Checks'),
+                    Html::tag('div', ['class' => 'col-content'], [
+                        new VerticalKeyValue(
+                            'Active',
+                            $servicestateSummary->services_active_checks_enabled
+                        ),
+                        new VerticalKeyValue(
+                            'Passive',
+                            $servicestateSummary->services_passive_checks_enabled
+                        )
+                    ])
+                ])
+            ]
+        ));
+
+        $featureCommands = Html::tag(
+            'section', ['class' => 'instance-commands'], Html::tag('h2', 'Feature Commands')
+        );
+        $programStatus = (object) [
+            'active_host_checks_enabled'    => $instance->icinga2_active_host_checks_enabled,
+            'active_service_checks_enabled' => $instance->icinga2_active_service_checks_enabled,
+            'event_handlers_enabled'        => $instance->icinga2_event_handlers_enabled,
+            'flap_detection_enabled'        => $instance->icinga2_flap_detection_enabled,
+            'notifications_enabled'         => $instance->icinga2_notifications_enabled,
+            'process_performance_data'      => $instance->icinga2_performance_data_enabled,
+            'program_version'               => $instance->icinga2_version
+        ];
+        $toggleInstanceFeaturesCommandForm = new ToggleInstanceFeaturesCommandForm();
+        $toggleInstanceFeaturesCommandForm
+            ->setBackend(new CompatBackend())
+            ->setStatus($programStatus)
+            ->load($programStatus)
+            ->handleRequest();
+        $featureCommands->add(HtmlString::create($toggleInstanceFeaturesCommandForm->render()));
+        $this->addContent($featureCommands);
+
+        $this->setAutorefreshInterval(30);
+    }
+}