healthcheck: update healthy tablets correctly when a stream returns an error or times out#7654

Merged

deepthi merged 3 commits intovitessio:masterfrom

planetscale:ds-fix-7472-7177

Mar 13, 2021

Commits on Mar 10, 2021

healthcheck: update healthy tablets correctly when a stream returns an error or times out
deepthi
committed

Commits on Mar 11, 2021

healthcheck: remove PRIMARY from healthy list when there's an error or timeout from healthcheck stream
deepthi
committed

Commits on Mar 12, 2021

healthcheck: reorganize code to be more readable
deepthi
committed