GetOptionsString returns a string representation of available options for the given interface.

NewCleanOptions instantiate a new Clean from the cleanString and keepString The clean string is lowercase clean options comma separated like: etcd,binaries ..

NewDrainOptions instantiate a new Drain from the drainString The drain string is lowercase drain options comma separated like: pods,iptables ...

Clean is a convenient key / value bool struct to store which components should be cleaned.

Drain is a convenient key / value bool struct to store which components should be drained.