systemd (Was Re: tmpfs for strategic directories)

Lennart Poettering mzerqung at 0pointer.de
Tue Jun 1 02:15:29 UTC 2010


On Wed, 26.05.10 13:37, Przemek Klosowski (przemek.klosowski at nist.gov) wrote:

> 
> On 05/26/2010 12:07 PM, Adam Williamson wrote:
> 
> >> It is not like you want to edit the scripts all the time, so there is
> >> no reason for them being scripts.
> >
> > I beg to differ. I've had to create or modify initscripts quite often,
> > either as a sysadmin or a packager. If this is now going to require C
> > coding skills, I'm not going to be able to do it. I don't think it's
> > safe to assume that everyone who needs to write or modify an initscript
> > is going to know C. What about people who write apps that need
> > initscripts in some other language?
> 
> It could work out if systemd provided access to a system() equivalent 
> which could then execute an arbitrary script.

You can easily hook shell scripts into .service files via stuff like
ExecStartPre=/some/shell/script which will then be executed before the
actual daemon is forked off.

> I think one good argument for redoing initscripts is that they are so
> repetitive: most of the content is fairly standard: initialization, 
> argument  parsing, case $1 in start) stop), etc etc. ; stuff that might 
> as well be done in the common framework.

That is true. Most scripts are 1:1 copies of the init script template of
our guidelines.

Lennart

-- 
Lennart Poettering                        Red Hat, Inc.
lennart [at] poettering [dot] net
http://0pointer.net/lennart/           GnuPG 0x1A015CC4


More information about the devel mailing list