From 767db8efddb7537b0a61ab210a820551671be6e7 Mon Sep 17 00:00:00 2001
From: Franziska Kunsmann <hi@kunsmann.eu>
Date: Fri, 12 Feb 2021 18:12:24 +0100
Subject: [PATCH] bundles/apt: add /etc/kernel/postinst.d/unattended-upgrades
 to ensure a reboot on kernel updates

---
 bundles/apt/files/kernel-postinst.d          | 15 +++++++++++++++
 bundles/apt/items.py                         |  3 +++
 bundles/c3voc-addons/files/kernel-postinst.d |  1 +
 bundles/c3voc-addons/items.py                |  3 +++
 4 files changed, 22 insertions(+)
 create mode 100644 bundles/apt/files/kernel-postinst.d
 create mode 120000 bundles/c3voc-addons/files/kernel-postinst.d

diff --git a/bundles/apt/files/kernel-postinst.d b/bundles/apt/files/kernel-postinst.d
new file mode 100644
index 0000000..4a2bf03
--- /dev/null
+++ b/bundles/apt/files/kernel-postinst.d
@@ -0,0 +1,15 @@
+#!/bin/sh
+
+# /etc/kernel/postinst.d/unattended-upgrades
+
+case "$DPKG_MAINTSCRIPT_PACKAGE::$DPKG_MAINTSCRIPT_NAME" in
+   linux-image-extra*::postrm)
+      exit 0;;
+esac
+
+if [ -d /var/run ]; then
+    touch /var/run/reboot-required
+    if ! grep -q "^$DPKG_MAINTSCRIPT_PACKAGE$" /var/run/reboot-required.pkgs 2> /dev/null ; then
+        echo "$DPKG_MAINTSCRIPT_PACKAGE" >> /var/run/reboot-required.pkgs
+    fi
+fi
diff --git a/bundles/apt/items.py b/bundles/apt/items.py
index 0d5ec2a..16d1670 100644
--- a/bundles/apt/items.py
+++ b/bundles/apt/items.py
@@ -49,6 +49,9 @@ files = {
             'action:apt_update',
         },
     },
+    '/etc/kernel/postinst.d/unattended-upgrades': {
+        'source': 'kernel-postinst.d',
+    },
 }
 
 directories = {
diff --git a/bundles/c3voc-addons/files/kernel-postinst.d b/bundles/c3voc-addons/files/kernel-postinst.d
new file mode 120000
index 0000000..40685c1
--- /dev/null
+++ b/bundles/c3voc-addons/files/kernel-postinst.d
@@ -0,0 +1 @@
+../../apt/files/kernel-postinst.d
\ No newline at end of file
diff --git a/bundles/c3voc-addons/items.py b/bundles/c3voc-addons/items.py
index a633016..d692266 100644
--- a/bundles/c3voc-addons/items.py
+++ b/bundles/c3voc-addons/items.py
@@ -52,6 +52,9 @@ directories = {
 }
 
 files = {
+    '/etc/kernel/postinst.d/unattended-upgrades': {
+        'source': 'kernel-postinst.d',
+    },
     '/usr/local/share/icinga/plugins/check_unattended_upgrades': {
         'mode': '0755',
     },