Nagios and DB support.

[Andreas Ericsson]

Ben wrote:
> On Thu, 18 Nov 2004, Andreas Ericsson wrote:
> 
> 
>>>I believe the best reasoning I heard was so that people could easily 
>>>modify that configuration via a website. Obviously flatfiles can also be 
>>>modified from the web, but it tends to be easier when it's in a database.
>>>
>>
>>If the person writing that webinterface is too stupid to export 
>>everything in a nagios compatible way, I don't give much for his/her 
>>talent as a coder. More often than not it is also desireable to do 
>>several changes, some of which might actually break the configuration 
>>(until all changes are done, anyway), before saving it and thus have 
>>Nagios reload it.
> 
> 
> Writing a file in a certain format may not be hard, but transactions and
> concurrency issues are difficult to get right. Why try and likely fail
> when databases have it correct already?
> 

Transactions are pointless to use unless several tables needs to be 
updated at the exact same time, and the changes needs to be rolled back 
if they're not.

> Assuming you want to have multiple people modifying your config files at 
> the same time, of course. :)
> 

There's still a problem with that when using intermediate database 
format, in case several users use the GUI at one time. It's nothing too 
hard to solve, but still. I've written a complete one myself and 
promptly ran into (and solved) that particular issue.

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


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