BackupFromTar loads a backup information from a tar file.

InstanceId returns the instance ID for the given name and tag.

NewDataDir creates a new DataDir instance with the given path as root.

NewDataDirDefault creates a new DataDir instance with the default path as root.

DataDir is the directory where all the data is stored.

Instance represents the data stored about a node software instance.

MonitoringStack represents the data stored about the monitoring stack.