ServicetemplateController: show template usage

First rough implementation, debug-output only for now refs #895 refs #516
Icinga · Jul 14, 2017 · b5cdd9d · b5cdd9d
1 parent d7fc818
commit b5cdd9d
Showing 1 changed file with 30 additions and 0 deletions.
diff --git a/application/controllers/ServicetemplateController.php b/application/controllers/ServicetemplateController.php
@@ -5,6 +5,7 @@
 use Icinga\Module\Director\Objects\IcingaService;
 use Icinga\Module\Director\Web\Controller\SimpleController;
 use Icinga\Module\Director\Web\Table\ServicesOnHostsTable;
+use ipl\Html\Html;
 
 class ServicetemplateController extends SimpleController
 {
@@ -41,6 +42,35 @@ public function usageAction()
             $this->translate('Template: %s'),
             $template->getObjectName()
         );
+
+        $this->content()->add(
+            Html::tag('pre', null, print_r(
+                $this->getUsageSummary($template),
+                1
+            ))
+        );
+    }
+
+    protected function getUsageSummary(IcingaService $template)
+    {
+        $ids = $template->templateResolver()->listInheritancePathIds();
+        $db = $this->db()->getDbAdapter();
+
+        $query = $db->select()->from(
+            ['s' => 'icinga_service'],
+            [
+                'cnt_templates'   => "COALESCE(SUM(CASE WHEN s.object_type = 'template' THEN 1 ELSE 0 END), 0)",
+                'cnt_objects'     => "COALESCE(SUM(CASE WHEN s.object_type = 'object' THEN 1 ELSE 0 END), 0)",
+                'cnt_apply_rules' => "COALESCE(SUM(CASE WHEN s.object_type = 'apply' AND s.service_set_id IS NULL THEN 1 ELSE 0 END), 0)",
+                'cnt_set_members' => "COALESCE(SUM(CASE WHEN s.object_type = 'apply' AND s.service_set_id IS NOT NULL THEN 1 ELSE 0 END), 0)",
+            ]
+        )->joinLeft(
+            ['ps' => 'icinga_service_inheritance'],
+            'ps.service_id = s.id',
+            []
+        )->where('ps.parent_service_id IN (?)', $ids);
+
+        return $db->fetchRow($query);
     }
 
     protected function requireTemplate()