From 9b128d823b816c71348f4580b2c00247ee8fa1ec Mon Sep 17 00:00:00 2001
From: Joas Schilling <coding@schilljs.com>
Date: Fri, 16 Jul 2021 16:55:23 +0200
Subject: [PATCH] Jitter the requests to the appstore and updater server over 3
 minutes

Signed-off-by: Joas Schilling <coding@schilljs.com>
---
 .../lib/Notification/BackgroundJob.php        | 27 +++++++++++--------
 .../tests/Notification/BackgroundJobTest.php  |  4 +++
 2 files changed, 20 insertions(+), 11 deletions(-)

diff --git a/apps/updatenotification/lib/Notification/BackgroundJob.php b/apps/updatenotification/lib/Notification/BackgroundJob.php
index be02c9fa686..e7dc193df6c 100644
--- a/apps/updatenotification/lib/Notification/BackgroundJob.php
+++ b/apps/updatenotification/lib/Notification/BackgroundJob.php
@@ -60,17 +60,12 @@ class BackgroundJob extends TimedJob {
 	/** @var string[] */
 	protected $users;
 
-	/**
-	 * NotificationBackgroundJob constructor.
-	 *
-	 * @param IConfig $config
-	 * @param IManager $notificationManager
-	 * @param IGroupManager $groupManager
-	 * @param IAppManager $appManager
-	 * @param IClientService $client
-	 * @param Installer $installer
-	 */
-	public function __construct(IConfig $config, IManager $notificationManager, IGroupManager $groupManager, IAppManager $appManager, IClientService $client, Installer $installer) {
+	public function __construct(IConfig $config,
+								IManager $notificationManager,
+								IGroupManager $groupManager,
+								IAppManager $appManager,
+								IClientService $client,
+								Installer $installer) {
 		// Run once a day
 		$this->setInterval(60 * 60 * 24);
 
@@ -83,6 +78,16 @@ class BackgroundJob extends TimedJob {
 	}
 
 	protected function run($argument) {
+		if (\OC::$CLI && !$this->config->getSystemValueBool('debug', false)) {
+			try {
+				// Jitter the pinging of the updater server and the appstore a bit.
+				// Otherwise all Nextcloud installations are pinging the servers
+				// in one of 288
+				sleep(random_int(1, 180));
+			} catch (\Exception $e) {
+			}
+		}
+
 		$this->checkCoreUpdate();
 		$this->checkAppUpdates();
 	}
diff --git a/apps/updatenotification/tests/Notification/BackgroundJobTest.php b/apps/updatenotification/tests/Notification/BackgroundJobTest.php
index 43b22728d28..d4d7a543e56 100644
--- a/apps/updatenotification/tests/Notification/BackgroundJobTest.php
+++ b/apps/updatenotification/tests/Notification/BackgroundJobTest.php
@@ -107,6 +107,10 @@ class BackgroundJobTest extends TestCase {
 		$job->expects($this->once())
 			->method('checkAppUpdates');
 
+		$this->config->method('getSystemValueBool')
+			->with('debug', false)
+			->willReturn(true);
+
 		self::invokePrivate($job, 'run', [null]);
 	}