Handle Nomad leadership flapping (attempt 2)#6977

Merged

notnoop merged 6 commits intomasterfrom b-leadership-flapping-2

Jan 28, 2020

+318-29

Commits on Jan 22, 2020

extract leader step function
Mahmood Ali
committed
Handle Nomad leadership flapping
Mahmood Ali
committed

Commits on Jan 28, 2020

include test and address review comments
Mahmood Ali
committed
handle channel close signal
Mahmood Ali
committed
tweak leadership flapping log messages
Mahmood Ali
committed
tests: defer closing shutdownCh
Mahmood Ali
committed