varnishadm backend.list missing IPs

Geoff Simmons geoff at
Wed Feb 10 10:13:26 CET 2016

On 02/05/2016 02:56 PM, Tim Little wrote:
> I have just upgraded to Varnish-4.1.1 from Varnish-4.0 and I have 
> noticed that `varnishadm backend.list` no longer displays the IP
> address of the backend.
> We were using this to monitor the backends health in Nagios NRPE
> check but this no longer works.

What we do is name the backends in VCL so that the application and
hostname is human-readable and parseable -- for application "foobar"
running on host bar-baz-quux, the VCL backend name is FOOBAR_bar_baz_quux.

Your nagios check can then parse it from the output of backend.list,
and you're good.

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