Re: [squid-users] check squid alive via remote http request

Henrik Nordstrom wrote:
> lör 2009-02-07 klockan 02:03 +1300 skrev Amos Jeffries:
>
>> Evgeniy Zaitsev wrote:
>>
>>> Hello.
>>>
>>> We are using large squid cluster (~30 dedicated machines with squid) to
>>> proxy-caching static content.
>>>
>>> All separate squid's configured as sibling (each other, i.e. one level
>>> hierarchy).
>>>
>>> All requests to squid-machines go through one balancer. Balancer check
>>> each squid (alive/not alive) via tcp-check (if port 3128/tcp accept
>>> connections, then squid is alive).
>>>
>>> But we want to use http checks for squid alive checking. Is it possible?
>>>
>> Depends on your balancer.
>>
>> Squid does it automatically when "no-query" options is missing from
>> cache_peer lines.
>>
>
> I think you meant only-if-cached...
>
>
>> Querying the cache manager interface should work.
>> cache_object://$SQUIDHOST/menu
>>
>
> So does querying of any of the squid-internal-... objects which may be
> simpler, depending on the capabilities of the load balancer in question.
>
> http://$SQUIDHOST/squid-internal-static/icons/anthony-unknown.gif
>
> or similar.
>
> Regards
> Henrik
>
>
Thanks Henrik and Amos!

http checks via GET
http://squid_host:3128/squid-internal-static/icons/anthony-portal.gif
is more more conveniently than cache_object://$SQUIDHOST/menu .
But both ways suit me.

-- 
Cheers, 
Evgeniy Zaitsev,
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