The state of a Cluster. The current allowable state transitions are as follows:
PENDING
RUNNING
TERMINATING
RESIZING
RESTARTING
TERMINATED
The state of a Cluster. The current allowable state transitions are as follows:
PENDING->RUNNINGPENDING->TERMINATINGRUNNING->RESIZINGRUNNING->RESTARTINGRUNNING->TERMINATINGRESTARTING->RUNNINGRESTARTING->TERMINATINGRESIZING->RUNNINGRESIZING->TERMINATINGTERMINATING->TERMINATED