New creates a new Cluster instance using provided config.

ErrNoSwarm is returned on leaving a cluster that was never initialized.

ErrPendingSwarmExists is returned on initialize or join request for a cluster that is already processing a similar request but has not succeeded yet.

ErrSwarmCertificatesExpired is returned if docker was not started for the whole validity period and they had no chance to renew automatically.

ErrSwarmExists is returned on initialize or join request for a cluster that has already been activated.

ErrSwarmJoinTimeoutReached is returned when cluster join could not complete before timeout was reached.

ErrSwarmLocked is returned if the swarm is encrypted and needs a key to unlock it.

Cluster provides capabilities to participate in a cluster as a worker or a manager.

Config provides values for Cluster.

NetworkSubnetsProvider exposes functions for retrieving the subnets of networks managed by Docker, so they can be filtered.