[libvirt] [RFC Patch 0/3]virsh: Enable env support for virsh logging

[Daniel P. Berrange]

On Thu, May 19, 2011 at 12:19:11PM -0600, Eric Blake wrote:
> On 05/09/2011 01:07 AM, Supriya Kannery wrote:
> > Defining environment variables for debug log-level and log-file will avoid 
> > specifying the same in each virsh command. Following is a patchset 
> > for enabling env variable support for virsh logging.
> > 
> > Two new  environment variables are defined:
> > 
> > a. VIRSH_DEBUG=<log_level>
> >    log_level can be a value between 0 - 4, where
> >    0 -> "ERROR"
> >    1 -> "WARNING"
> >    2 -> "NOTICE"
> >    3 -> "INFO"
> >    4 -> "DEBUG"

This is exactly the opposite to LIBVIRT_DEBUG=<log level> which
has

 *    1: DEBUG
 *    2: INFO
 *    3: WARNING
 *    4: ERROR

IMHO, these need to be kept the same.

> > b. VIRSH_LOG_FILE=<logfile-path-and-name>
> >    logfile-path-and-name is the name and complete path for the log file.
> > 
> > The above two variables are independent.
> > if log_level is specified without setting a log file name,
> >    then, logs will be displayed in stdio.
> > If logfile-path-and-name specified without setting log_level,
> >    then, default log_level (DEBUG) will be used to log to the specified file.
> 
> Seems reasonable to me.  I'm now in the middle of reviewing the patch set.


Daniel
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