AutomaticUpgrade starts automatic upgrade process.

InitOperationPlan will initialize operation plan for an operation.

New returns new updater for the specified configuration.

NewOperationPlan generates a new plan for the provided operation.

NumParallel sets number of parallel phases we should run that scales based on the number of the CPU cores on the node generating the plan.

ShutdownClusterAgents submits a shutdown request to all agents.

Config is the FSM configuration.

PlanConfig defines the configuration for creating a new operation plan.

UserConfig holds configuration parameters provided by the user triggering the update operation.