Since the docker CLI adds a default listen address (0.0.0.0:2377)
when joining a node to the swarm, the docker-py api will support
the same behavior to easy configuration.
Signed-off-by: Maxime Belanger <maxime.b.belanger@gmail.com>
Added update_node function to enable setting labels on nodes. This
exposes the Update a Node function from the Docker API and should
enable promoting/demoting manager nodes inside a swarm.
Signed-off-by: Nathan Shirlberg <nshirlberg@labattfood.com>