GetDeploymentState calculates a fleet.BundleState from bundleDeployment (pure function).

GetSummaryState returns the summary state of a bundle.

IncrementState increments counters in the BundleSummary.

MessageFromDeployment returns a relevant message from the deployment conditions (pure function).

SetReadyConditions expects a status object as obj and updates its ready conditions according to summary as per ReadyMessage.