An internally managed, read-only attribute that describes what, if any, action the policy engine is currently executing on the resource. Possible values and their meanings are as follows:
STARTING: The policy engine is currently starting the resource
STOPPING: The policy engine is currently stopping the resource
CLEANING: The policy engine is currently cleaning the resource
STABLE: The policy engine is not currently executing any action on the resource
Note, however, that the resource can still be locked as part of some other command.