[libvirt] [PATCH] parallels: suppress console output from parallels SDK

[Daniel P. Berrange]

On Thu, May 28, 2015 at 11:12:38AM +0300, Dmitry Guryanov wrote:
> On 05/26/2015 08:05 PM, Daniel P. Berrange wrote:
> >On Tue, May 26, 2015 at 08:04:25PM +0300, Maxim Nestratov wrote:
> >>26.05.2015 18:01, Daniel P. Berrange пишет:
> >>>On Tue, May 26, 2015 at 05:57:41PM +0300, Maxim Nestratov wrote:
> >>>>It is necessary to have unpolluted screen when connecting to
> >>>>parallels driver via virsh.
> >>>>Otherwise a lot of unexpected output one will get on the console.
> >>>>
> >>>>Signed-off-by: Maxim Nestratov <mnestratov at parallels.com>
> >>>>---
> >>>>  src/parallels/parallels_sdk.c | 3 +++
> >>>>  1 file changed, 3 insertions(+)
> >>>>
> >>>>diff --git a/src/parallels/parallels_sdk.c b/src/parallels/parallels_sdk.c
> >>>>index 542e09e..b717ccf 100644
> >>>>--- a/src/parallels/parallels_sdk.c
> >>>>+++ b/src/parallels/parallels_sdk.c
> >>>>@@ -205,6 +205,9 @@ prlsdkInit(void)
> >>>>  {
> >>>>      PRL_RESULT ret;
> >>>>+    /* Disable console output */
> >>>>+    PrlApi_SwitchConsoleLogging(0);
> >>>Does the SDK logging ever produce anything that would be useful when
> >>>troubleshooting libvirt ?
> >>>
> >>>If so, you might be better to protect this with
> >>>
> >>>     if (virGetEnvBlockSUID("LIBVIRT_PARALLELS_DEBUG") == NULL)
> >>>         PrlApi_SwitchConsoleLogging(0);
> >>>
> >>>IOW, so people can do
> >>>
> >>>   LIBVIR_PARALLELS_DEBUG=1 virsh ....
> >>>
> >>>if they need to see debugging info
> >>>
> >>>Regards,
> >>>Daniel
> >>Actually these debug output can be helpful but as soon as they are written
> >>to /var/log/parallels.log by default and duplicated to the console, I think
> >>it is not necessary to keep them in two places.
> >>Maybe it's worth mentioning this in commit message.
> >Ok, ack to your original patch then
> 
> I also agree with this patch, but I'll push it later because of code freeze.

This patch is trivial enough and really a bug fix, so I think you're
justified in pushing it during freeze.

Regards,
Daniel
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