From 463a6953261be68de8a26d522afc0999499dfcda Mon Sep 17 00:00:00 2001
From: Simon L <szaimen@e.mail.de>
Date: Sun, 25 Jun 2023 01:27:44 +0200
Subject: [PATCH 1/2] add low-on-space notification

Signed-off-by: Simon L <szaimen@e.mail.de>
---
 Containers/mastercontainer/cron.sh  |  3 +++
 php/src/Cron/CheckFreeDiskSpace.php | 26 ++++++++++++++++++++++++++
 2 files changed, 29 insertions(+)
 create mode 100644 php/src/Cron/CheckFreeDiskSpace.php

diff --git a/Containers/mastercontainer/cron.sh b/Containers/mastercontainer/cron.sh
index 384b1604653..60fd4f2c0bc 100644
--- a/Containers/mastercontainer/cron.sh
+++ b/Containers/mastercontainer/cron.sh
@@ -57,6 +57,9 @@ while true; do
     # Remove dangling images
     sudo -u www-data docker image prune --force
 
+    # Check for available free space
+    sudo -u www-data php /var/www/docker-aio/php/src/Cron/CheckFreeDiskSpace.php
+
     # Remove mastercontainer from default bridge network
     if sudo -u www-data docker inspect nextcloud-aio-mastercontainer  --format "{{.NetworkSettings.Networks}}" | grep -q "bridge"; then
         sudo -u www-data docker network disconnect bridge nextcloud-aio-mastercontainer
diff --git a/php/src/Cron/CheckFreeDiskSpace.php b/php/src/Cron/CheckFreeDiskSpace.php
new file mode 100644
index 00000000000..b8fffe27969
--- /dev/null
+++ b/php/src/Cron/CheckFreeDiskSpace.php
@@ -0,0 +1,26 @@
+<?php
+declare(strict_types=1);
+
+// increase memory limit to 2GB
+ini_set('memory_limit', '2048M');
+
+use DI\Container;
+use AIO\Data\DataConst;
+
+require __DIR__ . '/../../vendor/autoload.php';
+
+$container = \AIO\DependencyInjection::GetContainer();
+
+/** @var \AIO\Docker\DockerActionManager $dockerActionManger */
+$dockerActionManger = $container->get(\AIO\Docker\DockerActionManager::class);
+/** @var \AIO\ContainerDefinitionFetcher $containerDefinitionFetcher */
+$containerDefinitionFetcher = $container->get(\AIO\ContainerDefinitionFetcher::class);
+
+$id = 'nextcloud-aio-nextcloud';
+$nextcloudContainer = $containerDefinitionFetcher->GetContainerById($id);
+
+$df = disk_free_space(DataConst::GetDataDirectory());
+if ($df !== false && (int)$df < 1024 * 1024 * 1024 * 5) {
+    error_log("The drive that hosts all docker volumes has less than 5 GB free space. Container updates and backups might not succeed due to that!");
+    $dockerActionManger->sendNotification($nextcloudContainer, 'Low on space!', 'The drive that hosts all docker volumes has less than 5 GB free space. Container updates and backups might not succeed due to that!');
+}

From 2b5d3de48e281c10138924015a150fae25604dc8 Mon Sep 17 00:00:00 2001
From: Simon L <szaimen@e.mail.de>
Date: Mon, 26 Jun 2023 14:48:02 +0200
Subject: [PATCH 2/2] adjust wording

Signed-off-by: Simon L <szaimen@e.mail.de>

Signed-off-by: Simon L. <szaimen@e.mail.de>
---
 php/src/Cron/CheckFreeDiskSpace.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/php/src/Cron/CheckFreeDiskSpace.php b/php/src/Cron/CheckFreeDiskSpace.php
index b8fffe27969..b462195ec78 100644
--- a/php/src/Cron/CheckFreeDiskSpace.php
+++ b/php/src/Cron/CheckFreeDiskSpace.php
@@ -21,6 +21,6 @@
 
 $df = disk_free_space(DataConst::GetDataDirectory());
 if ($df !== false && (int)$df < 1024 * 1024 * 1024 * 5) {
-    error_log("The drive that hosts all docker volumes has less than 5 GB free space. Container updates and backups might not succeed due to that!");
-    $dockerActionManger->sendNotification($nextcloudContainer, 'Low on space!', 'The drive that hosts all docker volumes has less than 5 GB free space. Container updates and backups might not succeed due to that!');
+    error_log("The drive that hosts the mastercontainer volume has less than 5 GB free space. Container updates and backups might not succeed due to that!");
+    $dockerActionManger->sendNotification($nextcloudContainer, 'Low on space!', 'The drive that hosts the mastercontainer volume has less than 5 GB free space. Container updates and backups might not succeed due to that!');
 }