[libvirt] [PATCH] daemon: Fix LIBVIRT_DEBUG=1 default output

[Daniel P. Berrange]

On Wed, Oct 24, 2012 at 05:01:54PM -0400, Cole Robinson wrote:
> This commit changes the behavior of LIBVIRT_DEBUG=1 libvirtd:
> 
> $ git show 7022b09111d4322d21396a70d58320a9ad773962
> commit 7022b09111d4322d21396a70d58320a9ad773962
> Author: Daniel P. Berrange <berrange at redhat.com>
> Date:   Thu Sep 27 13:13:09 2012 +0100
> 
>     Automatically enable systemd journal logging
> 
>     Probe to see if the systemd journal is accessible, and if
>     so enable logging to the journal by default, rather than
>     stderr (current default under systemd).
> 
> Previously  'LIBVIRT_DEBUG=1 /usr/sbin/libvirtd' would show all debug
> output to stderr, now it send debug output to the journal.
> 
> Only use the journal by default if running in daemon mode, or
> if stdin is _not_ a tty. This should make libvirtd launched from
> systemd use the journal, but preserve the old behavior in most
> situations.

Yep, makes total sense. I should have noticed that when writing
this originally.

Daniel
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