envoyproxy/envoy
Tracing: upstream_cluster attribute missing when backend has no healthy replicas
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#25,887 opened on 2023/03/02
area/routerenhancementhelp wanted
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説明
Title: Tracing: upstream_cluster attribute missing when backend has no healthy replicas
Description:
Given an envoy cluster of "foo_cluster" with some number of backends that is addressed via a k8s service name "foo-service".
If "foo_cluster" doesn't have any healthy backends (e.g. they are missing entirely, or maybe crash looping), spans generated by envoy on traffic that matches "foo_cluster" are missing the "upstream_cluster" attribute.
It would be helpful if "upstream_cluster" was always populated.