From a9d824fbe2556cecb9458e2c0a7db7a270cad074 Mon Sep 17 00:00:00 2001
From: Kai Lueke <kailuke@microsoft.com>
Date: Tue, 29 Aug 2023 15:29:27 +0200
Subject: [PATCH] README: Add sysext update service to Ignition setup

The systemd-sysupdate components need to be updated either manually or
automatically.
Extend the OS-level sysupdate timer to also cover additional components
and reload the sysext images after an update.
---
 README.md | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/README.md b/README.md
index 508c6ed..7aed409 100644
--- a/README.md
+++ b/README.md
@@ -150,6 +150,24 @@ storage:
           Type=regular-file
           Path=/opt/extensions/docker
           CurrentSymlink=/etc/extensions/docker.raw
+systemd:
+  units:
+    - name: systemd-sysupdate.timer
+      enabled: true
+    - name: systemd-sysupdate.service
+      dropins:
+        - name: docker.conf
+          contents: |
+            [Service]
+            ExecStartPre=/usr/lib/systemd/systemd-sysupdate -C docker update
+        - name: kubernetes.conf
+          contents: |
+            [Service]
+            ExecStartPre=/usr/lib/systemd/systemd-sysupdate -C kubernetes update
+        - name: sysext.conf
+          contents: |
+            [Service]
+            ExecStartPost=systemctl restart systemd-sysext
 ```
 
 ### Creating a custom Docker sysext image