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Re: [lvs-users] mon/ldirectord service monitoring improvements?

To: Doug Bagley <doug@xxxxxxxx>
Subject: Re: [lvs-users] mon/ldirectord service monitoring improvements?
Cc: lvs-users@xxxxxxxxxxxxxxxxxxxxxx
From: Michael Sparks <zathras@xxxxxxxxxxxxxxxxxx>
Date: Thu, 17 Feb 2000 18:11:48 +0000 (GMT)
On 17 Feb 2000, Doug Bagley wrote:
> I don't really want to discuss XML too much on this list, it could get
> into an off-topic religious discussion :-)

:-)

> I'm just wondering about the format of the ipvs information in /proc,
> which is basically the same human readable format printed by "ipvsadm".

It used to be the same in 0.8.3 (which we're running) whereas it's not
under the latest versions...

> I'd like to see a more machine readable format, but I don't think it
> would be appropriate to put XML in /proc.  

Agreed :-)

It strikes me that rather than having:
type serviceIP:port mechanism
  -> realip:port tunnel weight active inactive
  -> realip:port tunnel weight active inactive
  -> realip:port tunnel weight active inactive
  -> realip:port tunnel weight active inactive

If the table was more like:
type serviceIP:port mechanism realip:port tunnel weight active inactive

Then this would make shell/awk/perl/etc scripts that do things with this
table easier to cobble together.

> That seems like a far reaching precedent to me.  On the other hand, if
> the ipvsadm command wished to have a option to represent that
> information in XML, I can see how that could be useful.

This reminds me I should really finish tweaking the prog I wrote to allow
pretty printing of the ipvsadm table, and put it somewhere else for others
to play with if they like - it allows you to specify a template file for
formatting the output of of ipvsadm, making displaying the stuff as XML,
HTML, plain text, etc simpler/quicker. (It's got a few hardcoded settings
at the mo which I want to ditch first :-)


Michael
--
National & Local Web Cache Support        R: G117
Manchester Computing                      T: 0161 275 7195
University of Manchester                  F: 0161 275 6040
Manchester UK M13 9PL                     M: Michael.Sparks@xxxxxxxxxxxxxxx



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