[OE-core] [PATCH] systemd: create wheel sysuser group offline

[Andre McCurdy]

On Mon, Nov 13, 2017 at 12:26 PM, Patrick Ohly <patrick.ohly at intel.com> wrote:
> On Mon, 2017-11-13 at 12:18 -0800, Andre McCurdy wrote:
>> On Mon, Nov 13, 2017 at 6:48 AM, Patrick Ohly <patrick.ohly at intel.com
>> > wrote:
>> > On Thu, 2017-11-09 at 21:54 -0800, Andre McCurdy wrote:
>> > > The default systemd-tmpfiles config file expects to be able to
>> > > create
>> > > files etc belonging to the wheel system group. Currently the
>> > > wheel
>> > > group is created at run time by systemd-sysusers, but that
>> > > doesn't
>> > > happen if systemd-sysusers is disabled (as it currently is by
>> > > default
>> > > when building with musl libc).
>> >
>> > Isn't this something that the systemd_create_users rootfs
>> > postprocess
>> > command in rootfs-postcommands.bbclass already takes care of?
>>
>> systemd_create_users() does a build time pass over the
>> systemd-sysusers config files, but those files are not installed if
>> systemd is configured without sysusers support.
>
> I didn't know that this is optional. To me it sounds like an invalid
> (or let's say, unexpected) configuration to install tmpfiles config
> files but not the sysusers files, because as you said, the tmpfiles may
> depend on the sysusers.

In the current recipe, there's no control of tmpfiles (so it will
always be enabled) and sysusers is controlled by PACKAGECONFIG
(enabled by default - but only when building with glibc), so the
recipe does allow that combination.

> Anyway, I just wanted to know because I was wondering whether it is
> really necessary to duplicate the user creation information in the
> systemd recipe.
>