On 07/04/2015 09:55 μμ, Florin Andrei wrote: > Let's say HAproxy is used for a second layer of load balancers, with the > first layer being AWS ELBs. > > When you create an ELB, you can specify a health check. This should > actually check the health of the HAproxy instances that the ELB is > pointing at. > > Is there a way to make HAproxy answer a health check from an ELB? This > health check cannot be passed all the way to the backend web servers, > because they all answer different URL prefixes. > >
You can use monitor-uri, here is an example acl site_dead nbsrv(foo_backend) lt 2 monitor-uri /site_alive monitor fail if site_dead then point healthcheck from ELB to <ip>/site_alive Cheers, Pavlos
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