ImageExists reports whether the docker image exists.

NewClusterManager creates a new ClusterManager.

OneshotProxy listens on a random port for a single connection, and proxies that connection to a remote db.

PullImage pulls the image.

NotFound indicates the container cluster does not exist.

Running indicates the cluster container is running.

Stopped indicates the container cluster exists but is not running.

Cluster represents a running database Cluster.

A ClusterManager manages running local sqldb clusters.

ClusterStatus rerepsents the status of a database cluster.

DB represents a single database instance within a cluster.

InitParams are the params to (*ClusterManager).Init.

ContainerStatus represents the status of a container.