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Re: [Rdo-list] libvirtd default configuration

This is a bug since we install with packstack which need to configure this in the deployment and up until now was configured. libvirtd log should be created and should be in debug level when installing with packstack. If this did not happen - it's a bug and user should not configure it manually.


On 02/05/2014 05:45 PM, Kashyap Chamarthy wrote:
On Wed, Feb 05, 2014 at 10:13:56AM -0500, Yogev Rabl wrote:
bug opened https://bugzilla.redhat.com/show_bug.cgi?id=1061753
This is not a bug.

Even though the configuration looks empty, the *default* log_level is 3,
i.e.  warnings and errors, this is redirected to systemd journal (on
systems that are run systemd, and to syslog on older systems). You can
notice this when you invoke:

    $ systemctl status libvirtd
     libvirtd.service - Virtualization daemon
        Loaded: loaded (/usr/lib/systemd/system/libvirtd.service; enabled)
        Active: active (running) since Wed 2014-02-05 22:45:05 IST; 11s ago
      Main PID: 32521 (libvirtd)
        CGroup: /system.slice/libvirtd.service
                ├─  821 /sbin/dnsmasq --conf-file=/var/lib/libvirt/dnsmasq/default.conf
                └─32521 /usr/sbin/libvirtd

     Feb 05 22:45:05 foohost.com systemd[1]: Started Virtualization daemon.
     Feb 05 22:45:06 foohost.com dnsmasq[821]: read /etc/hosts - 2 addresses
     Feb 05 22:45:06 foohost.com dnsmasq[821]: read /var/lib/libvirt/dnsmasq/default.addnhosts - 0 addresses
     Feb 05 22:45:06 foohost.com dnsmasq-dhcp[821]: read /var/lib/libvirt/dnsmasq/default.hostsfile

Furthermore, there's a couple of different ways to enable various log
levels based on filters, etc.

- If you want logs to be redirected to a file, that can be expressed in

    To log _everything_ (this spews LOTS of details, fills up your disk),
    add these

         log_level = 1
         log_outputs = 1:file:/var/tmp/libvirtd.log

    to /etc/libvirt/libvirtd.conf, restart libvirtd.

- Alternatively, you can set environment variables (if set, this will
   take precedence over values specified in the configuration file):

     $ export LIBVIRT_DEBUG=1
     $ export  LIBVIRT_TRACE=1

More extensive details on logging filters are available here:


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