[Xymon] server-side message pre-processor?
cleaver at terabithia.org
Wed Nov 4 01:46:05 CET 2015
On 11/3/2015 2:20 PM, Henrik Størner wrote:
> 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
> (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?
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