RFC: Timeperiod Overhaul in Nagios 3

[Ethan Galstad]

I have just committed some new code to CVS that extends the 
functionality of timeperiods.  You can now specify exceptions for single 
days/weekdays/dates and ranges of days/weekdays/days.  You can also 
construct timeperiod entries equivalent to "every 7 days beginning March 
1st, 2008" or "every 3 days between March 1st and March 17th".

You can see some of the newly supported timeperiod directive formats at:

http://nagios.sourceforge.net/docs/3_0/objectdefinitions.html#timeperiod

The ideas for making these changes came from discussions that took place 
at last years Netways conference on Nagios.  Thanks to the folks who 
suggested this!

The code likely has bugs - both in the parsing and processing logic. 
I'll be testing this more heavily over the next few days and make a new 
alpha release of Nagios 3 soon.

Let me know if there are other day/date exception formats that you'd 
like to see supported (if any).  A lot of options have been added, so 
they'll probably work for 99% of people and should help with defining 
timeperiods that work for rotating on-call schedules.


Ethan Galstad,
Nagios Developer
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Email: nagios at nagios.org
Website: http://www.nagios.org

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