This patch splits LookupEndpoints into LookupPullEndpoints and
LookupPushEndpoints so that mirrors added with --registry-mirror are
skipped in the list returned by LookupPushEndpoints.
Fixes https://github.com/docker/distribution/issues/823
Signed-off-by: Tibor Vass <tibor@docker.com>
Upstream-commit: b899977ee283d6bccf35ad9a079ed92a291ad34c
Component: engine