[Xymon] Linux client with local-config (or bb-memory.sh for linux)

[Jeremy Laidman]

Have you considered creating a very simple client data message containing
just the [free] section, and let Xymon parse the output?

On Fri, 12 Oct 2018 at 09:46, John Thurston <john.thurston at alaska.gov>
wrote:

> We run xymon servers the old-school way*: local config of clients with
> client-side evaluation of thresholds. I run a mashup of ancient BB,
> newer BBPE, and even newer xymon clients.
>
> I'm in need of memory monitoring on a CentOS 7 host. The client I have
> there (I think it is a BBPE version) doesn't provide it. So I reached
> back and grabbed a bb-memory.sh from some other system. But it doesn't
> work cleanly :(
>
> For linux, the script captures the output of 'free -m' and then
> populates variables:
>    FREE_PHYS
>    FREE_ACT
>    FREE_SWAP
> by grepping lines from the result:
>    Mem
>    +
>    Swap
> and my version of 'free' (3.3.10) has moved the '+/-' information up
> into a new column in the 'Mem' line. I don't see a way to adjust the
> 'free' command to return results in the old format, so I'll need to
> accommodate the new format in the shell script.
>
> Before I go dive in and engineer my own parser, I thought I'd ask here:
>    Does anyone have a bb-memory.sh they'd share with me?
>
> Alternatively, I could remove the old client and install something
> newer. But the last time I tried compiling the client with the
> 'local-config' option, it didn't work out well. So my second question is:
>    Is there a linux client package that correctly support local-config?
>
>
> * Yeah, I know there are plenty who think this is a terrible idea and
> can't stand the concept. But I don't own most of the hosts. So I don't
> want to have them dragging my central code down to them. Nor do I know
> the business rules which define success or failure. It's up to the owner
> of the host to set those things.
>
>
> --
>     Do things because you should, not just because you can.
>
> John Thurston    907-465-8591
> John.Thurston at alaska.gov
> Department of Administration
> State of Alaska
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>
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