Tracing using Zipkin Middleware

In microservices architecture, to troubleshoot problems, it is convenient to trace all sub requests and more using a tracer such as Zipkin or Jaeger.

In blacksmith, the zipkin middleware can be added to trace all the sub requests.

Example using starlette_zipkin:

from starlette_zipkin import trace

from blacksmith import (
    AbstractTraceContext,
    AsyncClientFactory,
    AsyncConsulDiscovery,
    AsyncZipkinMiddleware,
)

# AbstractTraceContext is an abtract base classe,
# register the class that already implement it.
AbstractTraceContext.register(trace)

sd = AsyncConsulDiscovery()
cli = AsyncClientFactory(sd)
cli.add_middleware(AsyncZipkinMiddleware(trace))

Full example of the zipkin middleware

You will find an example using prometheus in the examples directory:

../../_images/screenshot3.png

Example with Jaeger on http://jaeger.localhost/