Bug 868005 - install_initd/remove_initd does not work in a systemd world
Summary: install_initd/remove_initd does not work in a systemd world
Keywords:
Status: CLOSED WONTFIX
Alias: None
Product: Fedora
Classification: Fedora
Component: chkconfig
Version: 18
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: ---
Assignee: Lukáš Nykrýn
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2012-10-18 20:41 UTC by Bill Nottingham
Modified: 2014-03-17 03:32 UTC (History)
3 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2014-02-05 22:50:32 UTC
Type: Bug
Embargoed:


Attachments (Terms of Use)
chkconfig patch (7.96 KB, patch)
2013-02-08 15:53 UTC, Lukáš Nykrýn
no flags Details | Diff

Description Bill Nottingham 2012-10-18 20:41:51 UTC
Description of problem:

chkconfig's LSB dependency support consists of reordering the Sxx/Kxx links due to specified LSB dependencies at 'chkconfig --add' time. In a systemd world, this is more or less irrelevant - systemd itself will do the ordering at runtime. (We could rip this code out and simplify a lot of things...)

However, there is one area where there is a problem. By the spec definition, install_initd/remove_initd must check dependencies at install/remove time, and *fail* the operation if there are dependency errors. In a SysV world, this worked OK, because chkconfig knew about the state of everything. However, now that assorted services that LSB sysv scripts might depend on have moved to systemd, this won't work - chkconfig doesn't know what the LSB state is.

When called as install_initd/remove_initd chkconfig must scan for all configured systemd services and use their enabled status to determine this.

Potential solutions:
1) trawl the filesystem ourselves in chkconfig
2) screenscrape systemctl
3) build install_initd/remove_initd as part of systemd itself, using *its* code directly to do this work

Version-Release number of selected component (if applicable):

any

How reproducible:

100%

Comment 1 Lukáš Nykrýn 2012-11-01 13:22:49 UTC
I will probably go with second option. But first we should implement this RFE to systemd #795365.

Comment 2 Lukáš Nykrýn 2013-02-08 15:53:38 UTC
Created attachment 695137 [details]
chkconfig patch

With this patch chkconfig will ask for information about systemd services through systemctl show and then will try to convert target dependencies to runlevel logic. This method has some drawbacks, this will not work in pure chroot because systemctl show requires dbus and I am also not sure how to process lsb dependencies like $syslog, $time,... In some cases these can be rewritten as *.target but not all of them.

Comment 3 Fedora End Of Life 2013-12-21 15:09:14 UTC
This message is a reminder that Fedora 18 is nearing its end of life.
Approximately 4 (four) weeks from now Fedora will stop maintaining
and issuing updates for Fedora 18. It is Fedora's policy to close all
bug reports from releases that are no longer maintained. At that time
this bug will be closed as WONTFIX if it remains open with a Fedora 
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Comment 4 Fedora End Of Life 2014-02-05 22:50:32 UTC
Fedora 18 changed to end-of-life (EOL) status on 2014-01-14. Fedora 18 is
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