[Xymon] server-side message pre-processor?

Henrik Størner henrik at hswn.dk
Wed Nov 4 07:53:06 CET 2015


I think you are right about my first take not working if the first 
"strstr" wasn't the right match. Your version looks better.

Maybe John could take it for a spin?


Den 04-11-2015 kl. 01:46 skrev Japheth Cleaver:
> On 11/3/2015 2:20 PM, Henrik Størner wrote:
>> Hi,
>> Den 03-11-2015 kl. 19:22 skrev Japheth Cleaver:
>>> On 11/3/2015 9:20 AM, John Thurston wrote:
>>>> It would be cool if there were a per-host "accept" tag. I could stick
>>>> it in a .default. line in hosts.cfg, "accept=disk,cpu,conn,http". Any
>>>> other test reported for the host would be dropped.
>>> Is the problem more along the lines of "I don't want to receive test
>>> 'xyz' on any host", or more "Here's a list of 38 different tests I want
>>> to reject on 18 / 400 servers". If it's the latter, a hosts.cfg text
>>> value (before an internal testname record is generated with which to
>>> assign accept/deny values to) might be the best option, performance
>>> concerns not withstanding.
>> The attached patch against 4.x-master would do something like that - 
>> an "acceptonly:cpu,disk,conn,http" in hosts.cfg on the relevant 
>> hosts, and xymond will then match incoming tests against that entry 
>> and only process those that are permitted.
>> For hosts without an acceptonly-setting, the overhead should be 
>> fairly small.
>> (It compiles, but otherwise it is untested).
>> JC, feel free to veto it if you think it would be too much overhead.
> The performance overhead is pretty small, as far as I can tell... It 
> seems like it would fail with substrings after the first check, though 
> (eg, "acceptonly:test123,test12,test1234" rejects 'test12').
> How about this one?
> -jc

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