Re: Custom Health Check

On Wed, 24 May 2006 22:33:53 -0700 (PDT), Dhruv Patel wrote:
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> 
> Hi all,
>      I am a new user of ultramonkey. I have installed it for
> implementing HA & Load Balancing Solution in our company.  I have
> implemented that for clustering a service which runs on 5040 port. So
> right now in ldirectord I am using 'connect' check for 5040 port. But
> I want to make it 'negotiate' check. In other words I want to
> implement custom health check for real servers. I have checked all the
> documents on ultramonkey.org. and googled a lot. The only thing I have
> found is that it is possible to implement a custom health check and I
> can do that by changing code. But I din't find any practical example
> of it. I understand that for every service that customization is
> different. But just I want to know how to approach for that. Is there
> any need to change source code of ldirectord? If yes then which file
> to look for. Or Is there any need to change the server code which
> providing service on 5040 port. So please if some body has done this
> before or any body having knowledge of doing this guide me.

Currently the only way to add a custom health check is to
modify the ldirectord source code (which is written in perl).
It is actually quite simple, take a look at one of the existing
checks, such as check_http() for examples of how it is done.

-- 
Horms                                           
  H: http://www.vergenet.net/~horms/
  W: http://www.valinux.co.jp/en/


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