[Pkg-nagios-devel] Bug#857905: Bug#857905: icinga2-common: Default downtimes config for load on locahost noisy and not generic enough

[Alexander Wirt]

tags 857905 wontfix
severity 857905 wishlist
thanks

On Thu, 16 Mar 2017, Olivier Berger wrote:

Hi, 

> Package: icinga2-common
> Version: 2.1.1-1
> Severity: normal
> 
> Dear Maintainer,
> 
> I've just installed icinga2 on a system, and wondered why I got some
> notifications sent by email reporting every night (excerpt of mail pile) :
> Today 03:00 nagios at ...  DOWNTIMEEND - localhost - load is OK
> Today 02:00 nagios at ...  DOWNTIMESTART - localhost - load is OK
> 
> It seems this is due to config by default in
> /etc/icinga2/conf.d/downtimes.conf :
> 
> /**
>  * The example downtime apply rule.
>  */
> 
> apply ScheduledDowntime "backup-downtime" to Service {
>   import "backup-downtime"
> 
>   assign where host.name == "localhost" && service.name == "load"
> }
> 
> I think this is meant to adjust to higher load supposedly happening at
> backup times at night.
> 
> Not everyone may notice this by default, as one needs to have activated
> notification pushes by mail for instance, to detect such repetitive
> messages. But I would expect that most installations would be notifying
> these...
> 
> However, such a default config installed by default on Debian systems
> seems dubious to me. I can see no clear hint that every Debian system
> could be subject to load issues at night during that perdiod.
> 
> Worse, it's not exactly obvious, by reading the notification emails.
> Nothing indicates where the rule lies, in the config files, for that
> "alert".
> 
> I'd propose to remove such default in Debian. Or to indicate whether
> there's a way to not be notified of such downtimes, in the default
> config.
those are example configs and every user should review and change them. 
Several of them (especially the load check) doesn't really make sense in a
real environment. 

Alex