tree cca6dcb0923ec28904b5eef2c85896107d8063e5
parent 2575141dc0b4ed25470fc723e63128356528e4e8
author Julien Boeuf <jboeuf@google.com> 1510188244 -0800
committer Julien Boeuf <jboeuf@google.com> 1510212538 -0800

Switching from UNAUTHENTICATED to UNAVAILABLE for auth metadata failure

Typically these failures are symptomatic of a busy oauth2 auth
server and calls should be retried in this case.