bc301be5ee
Adds a middleware to enable tracing with OpenTracing/OpenZipkin. Enabling tracing will have a large impact on performance so it is not advisable in production.
983 B
983 B
trace
This module enables OpenTracing-based tracing of DNS requests as they go through the middleware chain.
Syntax
trace [ENDPOINT-TYPE] [ENDPOINT]
For each server you which to trace.
It optionally takes the ENDPOINT-TYPE and ENDPOINT. The ENDPOINT-TYPE defaults to
zipkin and the ENDPOINT to localhost:9411. A single argument will be interpreted as
a Zipkin ENDPOINT.
The only ENDPOINT-TYPE supported so far is zipkin. You can run Zipkin on a Docker host
like this:
docker run -d -p 9411:9411 openzipkin/zipkin
For Zipkin, if ENDPOINT does not begin with http, then it will be transformed to
http://ENDPOINT/api/v1/spans.
Examples
Use an alternative Zipkin address:
trace tracinghost:9253
or
trace zipkin tracinghost:9253
If for some reason you are using an API reverse proxy or something and need to remap the standard Zipkin URL you can do something like:
trace http://tracinghost:9411/zipkin/api/v1/spans