Is there a way to prevent a host check in agive time period?

[Erik Spigle]

I checked several times and this time period that excludes this one hour out of every day is what is set for the check_period / notification_period for services (as stated in my first message on 02-25-05).  This is working as expected.  There is no service check or notification on any service of this host during this one hour "do not check / notify" period.

I am not using any type of passive checks, so I guess freshness checking is a non-issue.

No other hosts anywhere in the parent tree (or anywhere for that matter) are going down during this downtime time period.

Lastly, I'd really like to avoid hardcoding this to assume everything is OK during this time period by modifying the host check command.  Is there some other file I'm missing.  I've checked and checked again the hosts.cfg, services.cfg and timeperiods.cfg files.  They all are in line with each other about what time period to use for what host / services on that host.

-----Original Message-----
From: nagios-users-admin at lists.sourceforge.net
[mailto:nagios-users-admin at lists.sourceforge.net]On Behalf Of Andreas
Ericsson
Sent: Wednesday, March 02, 2005 7:46 AM
To: Nagios-users at lists.sourceforge.net
Subject: Re: [Nagios-users] Is there a way to prevent a host check in
agive time period?




Erik Spigle wrote:
> That doesn't work as expected per my original message on 02/25/05.
> You can specify a new time period that indicates the "dead time" and
> then set that as the time period for the service check / notification
> and host notification, but host checks still happen as you cannot
> specify a "check_period" -- only notifcation period for the host.
> When the host check fires off and fails, it queues up a notification
> then fires it off after the dead time is over.
> 
> Here is a scenario to give example.  We set a new time period that is
> 00:00-03:00,04:00-24:00.

Did you set this to be the check_period of the services on that host? If 
you did, then Nagios won't have a chance of noticing anything that's 
going on during that period.

I can imagine one exception to this;
A host somewhere in the same "parent tree" goes down, and nagios starts 
scanning for network outages. If the hostcheck fails, it might 
erroneously queue up the notification and send it later. In this case it 
should be considered a bug.

>  We use this time period on a specific
> server that we want absolutely no checks or notifications for the
> host or services between the hours of 03:00am and 04:00am every day.
> It succeeds in not doing any service checks or notifications during
> this time period.  For the host portion, it manages not to notify
> *between 03:00am and 04:00am*.  It still must perform some type of
> check, though, as it fires off a notification if it saw anything
> happen during this hour as soon as 04:00am rolls around.
> 
> Someone previously mentioned it could have something to do with
> freshness checking, but didn't go any further with details on what I
> might want to look into.

This only applies if you're using passive service checks on the host. 
You haven't said anything about that, so I'll assume no.

>  Do I want to completely turn freshness
> checking off?

You can turn it off per service or per host if you like.

>  Exactly what do I need to do to make the host check
> not happen during this hour so it doesn't queue up a notfication
> after this hour passes?
> 

The hardcore way around it you could hardcode the timeperiod in the 
script doing the hostchecking and simply return OK in case the time 
falls in the specified timerange.

-- 
Andreas Ericsson                   andreas.ericsson at op5.se
OP5 AB                             www.op5.se
Lead Developer


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