Adds an operation on a package to the install queue.
Adds an operation on a package to the install queue.
Fails the resulting future with an exception when there is already an operation outstanding on the package coordinate.
the package coordinate on which the operation should be performed.
The operation to be performed
a successful future if the operation was added to the queue, else a failed future of com.mesosphere.cosmos.OperationInProgress if the operation was not added.
This will be used by the producer to observe the state of the install queue