[Xymon] ports check for a VIP...

[Jeremy Laidman]

What was the output on the combo check page, during the outage?


On Mon, 11 Oct 2021 at 19:16, Ian Diddams via Xymon <xymon at xymon.com> wrote:

>
>
>
> ---------- Forwarded message ----------
> From: Ian Diddams <didds3 at yahoo.co.uk>
> To: xymon <xymon at xymon.com>
> Cc:
> Bcc:
> Date: Mon, 11 Oct 2021 08:16:02 +0000 (UTC)
> Subject: Re: [Xymon] ports check for a VIP...
> Purely a sort of FYI I guess...  not sure what was occurring but last
> Friday early hours the clusetrr had a bit of a tizz and both nodes had no
> mysqld running and so procs was not green on both nodes...  but the combo
> check remained green throughout..
>
>
>
> On Thursday, 7 October 2021, 09:41:02 BST, Ian Diddams via Xymon <
> xymon at xymon.com> wrote:
>
>
> That's great Jeremy - many thanks
>
> Now
>
> (wp\-vldyn\-estrela.ports)||(wp\-vldyn\-rafeiro.ports) = (1)||(1) = 1
> [image: clear] wp-vldyn-estrela.ports
> [image: green] wp-vldyn-rafeiro.ports
>
> ian
>
>
> On Wednesday, 6 October 2021, 05:15:11 BST, Jeremy Laidman <
> jeremy at laidman.org> wrote:
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>
> On Mon, 4 Oct 2021 at 23:15, Ian Diddams via Xymon <xymon at xymon.com>
> wrote:
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>
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>
> intrigiingly the actual output on that combo check shows
>
>
>
> (wp-vldyn-estrela.ports)||(wp-vldyn-rafeiro.ports) = (0-0-1)||(0-0-1) = 1
>
>  <snip>
>
>
> i.e. its all showing clear for the individual lines which are also
> separated where the hostname includes a hyphen...  is that all correct ?
>
> I don't think so. From the manpage of combo.cfg:
>
> "Note: If the expression involves hostnames with a character that is also
> an operator - e.g. if you have a host "t1-router-newyork.foo.com" with a
> dash in the hostname - then the operator-character must be escaped with a
> backslash '\' in the expression, or it will be interpreted as an operator.
> E.g. like this:
>  nyc.conn = (t1\-router\-nyc.conn || backup\-router\-nyc.conn)"
>
> That's why it thinks you have hostnames like "wp" and "vldyn". It's almost
> certainly not testing what you want it to be testing.
>
> Cheers
> Jeremy
>
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> ---------- Forwarded message ----------
> From: Ian Diddams via Xymon <xymon at xymon.com>
> To: xymon <xymon at xymon.com>
> Cc:
> Bcc:
> Date: Mon, 11 Oct 2021 08:16:02 +0000 (UTC)
> Subject: Re: [Xymon] ports check for a VIP...
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