Automatic merge from submit-queue (batch tested with PRs 37708, 34410)
Fix some logs and commend information for healthz
Fix some logs which should be a lower case letter for the first letter and modify some commend information which is consistent in context.
Signed-off-by: yuexiao-wang wang.yuexiao@zte.com.cn
It currently is impossible to use two healthz handlers on different
ports in the same process. This removes the global variables in favor
of requiring the consumer to specify all health checks up front.
Prepare for running multiple API versions on the same HTTP server
by decoupling some of the mechanics of apiserver. Define a new
APIGroup object which represents a version of the API.
