[PATCH v1] remove sysconfig files

[Daniel P. Berrangé]

On Wed, Jul 21, 2021 at 03:16:39AM -0700, Andrea Bolognani wrote:
> On Tue, Jul 20, 2021 at 07:00:20PM +0200, Olaf Hering wrote:
> >  if [ -f %{_localstatedir}/lib/rpm-state/libvirt/restart ]; then
> >      # See if user has previously modified their install to
> >      # tell libvirtd to use --listen
> > -    grep -E '^LIBVIRTD_ARGS=.*--listen' /etc/sysconfig/libvirtd 1>/dev/null 2>&1
> > +    if test -f /etc/sysconfig/libvirtd
> > +    then
> > +        grep -E '^LIBVIRTD_ARGS=.*--listen' /etc/sysconfig/libvirtd 1>/dev/null 2>&1
> > +    fi
> 
> I don't think you need to make this conditional: if the file doesn't
> exist, grep will exit with a non-zero code, same as if the file
> existed but no match was found in it.
> 
> Pre-existing: am I missing something, or is the daemon actually *not*
> being restarted when --listen is found? We mask a bunch of units and
> that's pretty much it.
> 
> Also pre-existing: do we even care about handling upgrades from
> versions of the daemon that didn't have support for systemd socket
> passing at this point? The .spec file explicitly limits support to
> RHEL 8 and Fedora 33, which should be plenty recent enough to make
> the entire dance unnecessary.

Yes, we need to support upgrades. RHEL only gained socket
activation in 8.3 (IIRC), and so we need this logic to support
upgrades from RHEL-7.x or 8.0-8.2


Regards,
Daniel
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