* SetupStaticPublishing and SetupDynamicPublishing returns OpenCensusTracer
* The caller can then call Finish() to properly flush buffered Spans
before shutdown
* Make sure the WithExporterFull checks if the config is nil
* Parse cfg.Backend only if config is not nil
Otherwise proceed futher and let globalOct.closer to be closed which
actually flushes the remaining Spans.
* Provide Tracer type with Shutdown function
* Provide backwards compatible API
* Never return nil Tracer
* Provide SetupPublishingWithDynamicConfigAndInitialValue
* Remove SetupDynamicPublishingWithInitialValue
* Add tracing.HTTPSpanMiddlewareIgnoringPaths which will turn off tracing for the specified paths.
This is intended to allow us to ignore automated requests, such as liveness and readiness checks.
* PR comments.
* Rename HTTPSpanMiddlewareIgnoringPaths to HTTPSPanIgnoringPaths.
* Expand the tracing package to support stackdriver.
This makes an assortment of changes to support the use of non-Zipkin tracing backends for publishing traces from system components based on config-tracing.
The changes to the config are modeled after config-observability, which already has support for prometheus and stackdriver backends for metrics.
* Incorporate review feedback.
* Incorporate feedback from @mdemirhan downstream
Martin Gencur
Stavros Kontopoulos
Victor Agababov
Markus Thömmes
Adam Harwayne
Matt Moore
mattmoor-sockpuppet
Akash Verenkar