Thanks a lot! 

Seems to be exactly what I was looking for )

Gonna check it up

С уважением,

Зайцев Сергей Александрович,
<Департамент Реализации Интеграционных Решений>
 
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-----Original Message-----
From: Vincent Bernat [mailto:[email protected]] 
Sent: Wednesday, July 09, 2014 6:36 PM
To: Зайцев Сергей Александрович
Cc: [email protected]
Subject: Re: how to sync HaProxy config with ZooKeeper

 ❦  9 juillet 2014 14:28 GMT, Зайцев Сергей Александрович 
<[email protected]> :

> I want to automatically udpate HaProxy's configuration depending on my 
> app's state. I mean, that when I have a number of components running, 
> I update my ZooKeeper configuration as soon as new node joins the 
> cluster ( an leaves it also ). But what I also need - is a way 
> ZooKeeper's watcher being able to udpate HaProxy configuraion in order 
> to provide actual information for the load balance to avoid balance 
> for absent cluster nodes.
>
> So the question is - is the a way to synchronized HaProxy's 
> configuration with ZooKeeper ( somehow ).

It is unlikely that someone has integrated Zookeeper into HAProxy but you can 
rely on an external process to watch zookeeper, update HAProxy state and reload.

 https://github.com/rs/zkfarmer
 https://github.com/twitter/twitcher

The first one needs some additional glue to watch file changes and rebuild 
HAProxy configuration.
--
printk("Entering UltraSMPenguin Mode...\n");
        2.2.16 /usr/src/linux/arch/sparc64/kernel/smp.c

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