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Re: [libvirt] [PATCH] util: include stderr in log message when an external command fails



On 08/07/2012 07:38 AM, Daniel P. Berrange wrote:
> On Mon, Aug 06, 2012 at 08:07:32PM -0400, Laine Stump wrote:
>> This patch is in response to:
>>
>>   https://bugzilla.redhat.com/show_bug.cgi?id=818467
>>
>> If a caller to virCommandRun doesn't ask for the exitstatus of the
>> program it's running, the virCommand functions assume that they should
>> log an error message and return failure if the exit code isn't
>> 0. However, only the commandline and exit status are logged, while
>> potentially useful information sent by the program to stderr is
>> discarded.
>>
>> Fortunately, virCommandRun is already checking if the caller had asked
>> for stderr to be saved and, if not, sets things up to save it in
>> *cmd->errbuf. This makes it fairly simple for virCommandWait to
>> include *cmd->errbuf in the error log (there are still other callers
>> that don't setup errbuf, and even virCommandRun won't set it up if the
>> command is being daemonized, so we have to check that it's non-zero).
> ACK
>

Pushed. Thanks!


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