Add a "close" action to Drydock resources

Summary: This does nothing fancy, just closes the resource and releases/breaks leases. They'll get cleaned up in some to-be-written GC process.

Test Plan: Closed resources from web UI and CLI.

Reviewers: btrahan

Reviewed By: btrahan

CC: aran

Maniphest Tasks: T2015

Differential Revision: https://secure.phabricator.com/D3998

src/applications/drydock/controller/DrydockResourceViewController.php

@@ -63,6 +63,18 @@ final class DrydockResourceViewController extends DrydockController {
       ->setUser($this->getRequest()->getUser())
       ->setObject($resource);
 
+    $can_close = ($resource->getStatus() == DrydockResourceStatus::STATUS_OPEN);
+    $uri = '/resource/'.$resource->getID().'/close/';
+    $uri = $this->getApplicationURI($uri);
+
+    $view->addAction(
+      id(new PhabricatorActionView())
+        ->setHref($uri)
+        ->setName(pht('Close Resource'))
+        ->setIcon('delete')
+        ->setWorkflow(true)
+        ->setDisabled(!$can_close));
+
     return $view;
   }