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