Signed-off-by: PingWang <wang.ping5@zte.com.cn>

add ws.doc
Signed-off-by: PingWang <wang.ping5@zte.com.cn>

run hack/update-swagger-spec.sh
Signed-off-by: PingWang <wang.ping5@zte.com.cn>

update update-swagger-spec.sh
Signed-off-by: PingWang <wang.ping5@zte.com.cn>

update apiserver_test.go
Signed-off-by: PingWang <wang.ping5@zte.com.cn>

update comment
Signed-off-by: PingWang <wang.ping5@zte.com.cn>