NewTracingConfigFromConfigMap returns a Config for the given configmap.

NewTracingConfigFromMap returns a Config given a map corresponding to a ConfigMap.

ConfigName is the name of the configmap.

None is used for no backend.

Stackdriver is used for Stackdriver backend.

Zipkin is used for Zipkin backend.

Config holds the configuration for tracers.

BackendType specifies the backend to use for tracing.