This check validates that certOldKeyName is present in the secret. However, if it is not, the error message incorrectly refers to the certKeyName field. This error message should be corrected.
https://github.com/linkerd/linkerd2/blob/main/pkg/healthcheck/healthcheck.go#L1734
This was first noticed in https://github.com/linkerd/linkerd2/issues/5423
I'd like to work on this issue.
@pradeepnnv go for it! :+1: :partying_face:
Thanks @alpeb . I submitted a PR. Please review.