const (
// Small is the simplest mode of cluster Small Enum = 1
// Normal allows the cluster to be resistant to 1 master failure Normal Enum = 3
// Large allows the cluster to be resistant to 2 master failures and is sized for high Large of agents Large Enum = 5
)
Parse returns a Enum corresponding to the string parameter
If the string doesn't correspond to any Enum, returns an error (nil otherwise)
This function is intended to be used to parse user input.