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From 56d3e10ecb666da53a77d17e9ac7524f3e1341d8 Mon Sep 17 00:00:00 2001
From: Evan Goode <mail@evangoo.de>
Date: Tue, 24 Jan 2023 09:53:47 -0500
Subject: [PATCH 1/4] Add reboot option to DNF Automatic (RhBug:2124793)
Add ability in DNF Automatic to automatically trigger a reboot after an
upgrade. The `reboot` option supports three settings: ``never`` does not
reboot the system (current behavior). ``when-changed`` triggers a reboot
after any upgrade. ``when-needed`` triggers a reboot only when rebooting
is necessary to apply changes, such as when systemd or the kernel is
upgraded. The `reboot_command` option allows customizing the command
used to reboot (default is `shutdown -r`).
= changelog =
msg: Add `reboot` option to DNF Automatic
type: enhancement
resolves: https://bugzilla.redhat.com/show_bug.cgi?id=2124793
---
dnf/automatic/main.py | 9 +++++++++
dnf/base.py | 14 ++++++++++++++
doc/automatic.rst | 12 ++++++++++++
etc/dnf/automatic.conf | 9 +++++++++
tests/automatic/test_main.py | 4 ++++
5 files changed, 48 insertions(+)
diff --git a/dnf/automatic/main.py b/dnf/automatic/main.py
index b53d9c00..b68962c2 100644
--- a/dnf/automatic/main.py
+++ b/dnf/automatic/main.py
@@ -24,6 +24,7 @@ from __future__ import unicode_literals
import argparse
import logging
+import os
import random
import socket
import time
@@ -179,6 +180,9 @@ class CommandsConfig(Config):
libdnf.conf.VectorString(['default', 'security'])))
self.add_option('random_sleep', libdnf.conf.OptionNumberInt32(300))
self.add_option('network_online_timeout', libdnf.conf.OptionNumberInt32(60))
+ self.add_option('reboot', libdnf.conf.OptionEnumString('never',
+ libdnf.conf.VectorString(['never', 'when-changed', 'when-needed'])))
+ self.add_option('reboot_command', libdnf.conf.OptionString('shutdown -r'))
def imply(self):
if self.apply_updates:
@@ -340,6 +344,11 @@ def main(args):
base.do_transaction()
emitters.notify_applied()
emitters.commit()
+
+ if (conf.commands.reboot == 'when-changed' or
+ (conf.commands.reboot == 'when-needed' and base.reboot_needed())):
+ if os.waitstatus_to_exitcode(os.system(conf.commands.reboot_command)) != 0:
+ return 1
except dnf.exceptions.Error as exc:
logger.error(_('Error: %s'), ucd(exc))
return 1
diff --git a/dnf/base.py b/dnf/base.py
index 154eb4e3..24c5a444 100644
--- a/dnf/base.py
+++ b/dnf/base.py
@@ -2790,6 +2790,20 @@ class Base(object):
return skipped_conflicts, skipped_dependency
+ def reboot_needed(self):
+ """Check whether a system reboot is recommended following the transaction
+
+ :return: bool
+ """
+ if not self.transaction:
+ return False
+
+ # List taken from DNF needs-restarting
+ need_reboot = frozenset(('kernel', 'kernel-rt', 'glibc',
+ 'linux-firmware', 'systemd', 'dbus',
+ 'dbus-broker', 'dbus-daemon'))
+ changed_pkgs = self.transaction.install_set | self.transaction.remove_set
+ return any(pkg.name in need_reboot for pkg in changed_pkgs)
def _msg_installed(pkg):
name = ucd(pkg)
diff --git a/doc/automatic.rst b/doc/automatic.rst
index b8e47ad1..ade0ca1a 100644
--- a/doc/automatic.rst
+++ b/doc/automatic.rst
@@ -90,6 +90,18 @@ Setting the mode of operation of the program.
What kind of upgrades to look at. ``default`` signals looking for all available updates, ``security`` only those with an issued security advisory.
+``reboot``
+ either one of ``never``, ``when-changed``, ``when-needed``, default: ``never``
+
+ When the system should reboot following upgrades. ``never`` does not reboot the system. ``when-changed`` triggers a reboot after any upgrade. ``when-needed`` triggers a reboot only when rebooting is necessary to apply changes, such as when systemd or the kernel is upgraded.
+
+``reboot_command``
+ string, default: ``shutdown -r``
+
+ Specify the command to run to trigger a reboot of the system. For example, add a 5-minute delay and a wall message by using ``shutdown -r +5 'Rebooting after upgrading packages'``
+
+
+
----------------------
``[emitters]`` section
----------------------
diff --git a/etc/dnf/automatic.conf b/etc/dnf/automatic.conf
index 1f7e9402..9735447f 100644
--- a/etc/dnf/automatic.conf
+++ b/etc/dnf/automatic.conf
@@ -21,6 +21,15 @@ download_updates = yes
# install.timer override this setting.
apply_updates = no
+# When the system should reboot following upgrades:
+# never = don't reboot after upgrades
+# when-changed = reboot after any changes
+# when-needed = reboot when necessary to apply changes
+reboot = never
+
+# The command that is run to trigger a system reboot.
+reboot_command = "shutdown -r"
+
[emitters]
# Name to use for this system in messages that are emitted. Default is the
diff --git a/tests/automatic/test_main.py b/tests/automatic/test_main.py
index 27ffa407..dc4acd52 100644
--- a/tests/automatic/test_main.py
+++ b/tests/automatic/test_main.py
@@ -49,3 +49,7 @@ class TestConfig(tests.support.TestCase):
conf = dnf.automatic.main.AutomaticConfig(FILE, downloadupdates=True, installupdates=False)
self.assertTrue(conf.commands.download_updates)
self.assertFalse(conf.commands.apply_updates)
+
+ # test that reboot is "never" by default
+ conf = dnf.automatic.main.AutomaticConfig(FILE)
+ self.assertEqual(conf.commands.reboot, 'never')
--
2.40.0
From 8d7608f3462deddf36d5a75ff66f847a30b78026 Mon Sep 17 00:00:00 2001
From: Evan Goode <mail@evangoo.de>
Date: Tue, 24 Jan 2023 09:59:22 -0500
Subject: [PATCH 2/4] Add Evan Goode to AUTHORS
---
AUTHORS | 1 +
1 file changed, 1 insertion(+)
diff --git a/AUTHORS b/AUTHORS
index 50bff95b..e802a51e 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -69,6 +69,7 @@ DNF CONTRIBUTORS
Dave Johansen <davejohansen@gmail.com>
Dylan Pindur <dylanpindur@gmail.com>
Eduard Cuba <ecuba@redhat.com>
+ Evan Goode <egoode@redhat.com>
Filipe Brandenburger <filbranden@gmail.com>
Frank Dana <ferdnyc@gmail.com>
George Machitidze <giomac@gmail.com>
--
2.40.0
From 9deed331cb7a1890e1f11a57c989c300b1641a88 Mon Sep 17 00:00:00 2001
From: Evan Goode <mail@evangoo.de>
Date: Tue, 24 Jan 2023 17:12:46 -0500
Subject: [PATCH 3/4] DNF Automatic reboot: 5-minute delay and wall by default
---
dnf/automatic/main.py | 2 +-
doc/automatic.rst | 4 ++--
etc/dnf/automatic.conf | 2 +-
3 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/dnf/automatic/main.py b/dnf/automatic/main.py
index b68962c2..a03c359f 100644
--- a/dnf/automatic/main.py
+++ b/dnf/automatic/main.py
@@ -182,7 +182,7 @@ class CommandsConfig(Config):
self.add_option('network_online_timeout', libdnf.conf.OptionNumberInt32(60))
self.add_option('reboot', libdnf.conf.OptionEnumString('never',
libdnf.conf.VectorString(['never', 'when-changed', 'when-needed'])))
- self.add_option('reboot_command', libdnf.conf.OptionString('shutdown -r'))
+ self.add_option('reboot_command', libdnf.conf.OptionString('shutdown -r +5 \'Rebooting after applying package updates\''))
def imply(self):
if self.apply_updates:
diff --git a/doc/automatic.rst b/doc/automatic.rst
index ade0ca1a..329c2f46 100644
--- a/doc/automatic.rst
+++ b/doc/automatic.rst
@@ -96,9 +96,9 @@ Setting the mode of operation of the program.
When the system should reboot following upgrades. ``never`` does not reboot the system. ``when-changed`` triggers a reboot after any upgrade. ``when-needed`` triggers a reboot only when rebooting is necessary to apply changes, such as when systemd or the kernel is upgraded.
``reboot_command``
- string, default: ``shutdown -r``
+ string, default: ``shutdown -r +5 'Rebooting after applying package updates'``
- Specify the command to run to trigger a reboot of the system. For example, add a 5-minute delay and a wall message by using ``shutdown -r +5 'Rebooting after upgrading packages'``
+ Specify the command to run to trigger a reboot of the system. For example, to skip the 5-minute delay and wall message, use ``shutdown -r``
diff --git a/etc/dnf/automatic.conf b/etc/dnf/automatic.conf
index 9735447f..e61b12af 100644
--- a/etc/dnf/automatic.conf
+++ b/etc/dnf/automatic.conf
@@ -28,7 +28,7 @@ apply_updates = no
reboot = never
# The command that is run to trigger a system reboot.
-reboot_command = "shutdown -r"
+reboot_command = "shutdown -r +5 'Rebooting after applying package updates'"
[emitters]
--
2.40.0
From b002f47a763e442277913a06df963b0ca91deb54 Mon Sep 17 00:00:00 2001
From: Evan Goode <mail@evangoo.de>
Date: Wed, 25 Jan 2023 09:47:59 -0500
Subject: [PATCH 4/4] DNF Automatic: error message for failed reboot command
---
dnf/automatic/main.py | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/dnf/automatic/main.py b/dnf/automatic/main.py
index a03c359f..11c35ecf 100644
--- a/dnf/automatic/main.py
+++ b/dnf/automatic/main.py
@@ -347,7 +347,9 @@ def main(args):
if (conf.commands.reboot == 'when-changed' or
(conf.commands.reboot == 'when-needed' and base.reboot_needed())):
- if os.waitstatus_to_exitcode(os.system(conf.commands.reboot_command)) != 0:
+ exit_code = os.waitstatus_to_exitcode(os.system(conf.commands.reboot_command))
+ if exit_code != 0:
+ logger.error('Error: reboot command returned nonzero exit code: %d', exit_code)
return 1
except dnf.exceptions.Error as exc:
logger.error(_('Error: %s'), ucd(exc))
--
2.40.0