Devuan bug report logs - #688
systemctl infinite loop, missing /bin/systemctl symlink

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Package: systemctl-service-shim; Maintainer for systemctl-service-shim is B. Stack <bgstack15@gmail.com>; Source for systemctl-service-shim is src:systemctl-service-shim.

Reported by: Jernej Jakob <jernej.jakob@gmail.com>

Date: Thu, 7 Jul 2022 19:56:02 UTC

Severity: grave

Tags: stable

Found in version 0.0.1-1

Fixed in version 0.0.3-1

Done: dak@devuan.org

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Report forwarded to devuan-bugs@lists.dyne.org, B. Stack <bgstack15@gmail.com>:
bug#688; Package systemctl-service-shim. (Thu, 07 Jul 2022 19:56:02 GMT) (full text, mbox, link).


Acknowledgement sent to Jernej Jakob <jernej.jakob@gmail.com>:
New bug report received and forwarded. Copy sent to B. Stack <bgstack15@gmail.com>. (Thu, 07 Jul 2022 19:56:04 GMT) (full text, mbox, link).


Message #5 received at submit@bugs.devuan.org (full text, mbox, reply):

From: Jernej Jakob <jernej.jakob@gmail.com>
To: submit@bugs.devuan.org
Subject: systemctl infinite loop, missing /bin/systemctl symlink
Date: Thu, 7 Jul 2022 21:52:50 +0200
Package: systemctl-service-shim
Version: 0.0.1-1
Severity: grave
Tags: stable

When executing the "enable" action, systemctl enters into an infinite
loop.

# /bin/systemctl enable chrony.service
update-rc.d chrony enable
insserv: warning: script 'cgroups' missing LSB tags
insserv: Default-Start undefined, assuming empty start runlevel(s) for script `cgroups'
insserv: Default-Stop  undefined, assuming empty stop runlevel(s) for script `cgroups'
 * rc-update: chrony already installed in runlevel `default'; skipping
update-rc.d chrony enable
insserv: warning: script 'cgroups' missing LSB tags
insserv: Default-Start undefined, assuming empty start runlevel(s) for script `cgroups'
insserv: Default-Stop  undefined, assuming empty stop runlevel(s) for script `cgroups'
 * rc-update: chrony already installed in runlevel `default'; skipping
update-rc.d chrony enable

Additionally, there is no /bin/systemctl, as the script is installed to
/usr/sbin/systemctl, so some scripts that call a hardcoded binary path
/bin/systemctl won't work without manually creating a symlink after
installation.

I see some code to manipulate the symlink was added in 0.0.2
https://git.devuan.org/devuan/systemctl-service-shim/commit/abd012174f9545f4d4bd236716e51dedcad8c6f1
if I understand it correctly, it's a workaround (fix) for this infinite
loop problem which is caused by the init scripts calling systemctl
again.

In my opinion, the symlink should also be created in the package
postinst script. This way packages that depend on /bin/systemctl
will work immediately without manual symlink creation. There should be
no conflict with systemd, as the package already has a conflict with
systemd, it will never be simultaneously installed.

Added indication that bug 688 blocks 687 Request was from Jernej Jakob <jernej.jakob@gmail.com> to control@bugs.devuan.org. (Thu, 07 Jul 2022 20:04:02 GMT) (full text, mbox, link).


Information forwarded to devuan-bugs@lists.dyne.org, B. Stack <bgstack15@gmail.com>:
bug#688; Package systemctl-service-shim. (Thu, 07 Jul 2022 20:38:01 GMT) (full text, mbox, link).


Acknowledgement sent to Jernej Jakob <jernej.jakob@gmail.com>:
Extra info received and forwarded to list. Copy sent to B. Stack <bgstack15@gmail.com>.

Your message did not contain a Subject field. They are recommended and useful because the title of a bug is determined using this field. Please remember to include a Subject field in your messages in future.

(Thu, 07 Jul 2022 20:38:04 GMT) (full text, mbox, link).


Message #12 received at 688@bugs.devuan.org (full text, mbox, reply):

From: Jernej Jakob <jernej.jakob@gmail.com>
To: 688@bugs.devuan.org
Date: Thu, 7 Jul 2022 22:37:10 +0200
I installed 0.0.2-1 from deb and it appears to work correctly.
Only the symlink is missing by default and would need to be added by
the package on installation.

Reply sent to dak@devuan.org:
You have taken responsibility. (Tue, 12 Jul 2022 17:14:02 GMT) (full text, mbox, link).


Notification sent to Jernej Jakob <jernej.jakob@gmail.com>:
bug acknowledged by developer. (Tue, 12 Jul 2022 17:14:05 GMT) (full text, mbox, link).


Message #17 received at 688-done@bugs.devuan.org (full text, mbox, reply):

From: dak@devuan.org
To: 688-done@bugs.devuan.org
Subject: #688: fixed in src:systemctl-service-shim version 0.0.3-1
Date: Tue, 12 Jul 2022 15:53:37 +0000
Version: 0.0.3-1

Source package systemctl-service-shim (0.0.3-1) added to Devuan suite unstable.

This closes bug report 688.

Thanks

DAK managing the Devuan archive

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

Format: 1.8
Date: Tue, 12 Jul 2022 10:52:37 -0400
Source: systemctl-service-shim
Architecture: source
Version: 0.0.3-1
Distribution: unstable
Urgency: low
Maintainer: B. Stack <bgstack15@gmail.com>
Changed-By: B. Stack <bgstack15@gmail.com>
Closes: 688
Changes:
 systemctl-service-shim (0.0.3-1) unstable; urgency=low
 .
   * Add /bin/systemctl symlink directly to package (Closes: #688)
   * Action `try-restart` is simplified to `restart`
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