Any way to invoke code from VCL after a request has been serviced?
dridi at varni.sh
Tue May 9 12:17:10 CEST 2017
> I'm looking into writing a module that enables Varnish for distributed
> tracing using the OpenTracing project [opentracing.io]. This requires
> invoking code at the beginning of a request to start a span and insert
> tracing context into the request's headers and invoking code after a
> request's been processed to finish the span and measure how long it
> took to process.
You can see this kind of tracing in action in the Zipnish  project.
It's Varnish's equivalent to Zipkin and if I'm not wrong was or is
compatible with the latter.
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