[ovirt-devel] Runtime dir creation and FHS

[Fabian Deutsch]

On Sun, Sep 6, 2015 at 3:02 PM, Dan Kenigsberg <danken at redhat.com> wrote:
> On Fri, Sep 04, 2015 at 02:17:42PM +0200, Fabian Deutsch wrote:
>> Hey,
>>
>> while looking at vdsm/vdsmd_init_common.sh.in I notice that some
>> directories are created at runtime (when the service comes up in this
>> case).
>>
>> I wonder if there is a specific reason why these dirs are created at
>> runtime, and not at installation time?
>
> Creating on daemon startup time make sure that the directory is
> recreated/adjusted if it was mangaled by an evil admin. But that's not a
> good excuse. I don't think there was a good one.

Ok

>>
>> With my Node glasses on, it would be very convenient if those
>> directories could be created at (rpm) installation time, because this
>> means that they will be part of the image which is created.
>>
>> If created at runtime, then we need to modify the tree during runtime,
>> which ain't very nice.
>>
>> Another question is if the top-level /rhev dir could be moved to some
>> subdir, i.e. /run/vdsmd/mounts - to better suite the FHS.
>
> it should move to somewhere standard, and the "rhev" trademark should be
> dropped. It could happen on ovirt-4.0 when we break backward
> compatibility. But that's easier said than done.

:)

> How about opening 2 infra bugs for 4.0 for these?

Done:
Bug 1260743 - [RFE] Move /rhev to a more standard location
Bug 1260747 - Create the filesystem layout at install time if possible

Thanks
fabian


-- 
Fabian Deutsch <fdeutsch at redhat.com>
RHEV Hypervisor
Red Hat