swarmkit's API type. Make sure this parameter gets propagated to
swarmkit, and also add an extra option to the CLI when providing
external CAs to parse the CA cert from a file.
Signed-off-by: Ying Li <ying.li@docker.com>
Upstream-commit: b0401a71f7479a52b2670346e0d1e97cb68089a4
Component: engine