NewAgentController constructs a new AgentController.

NewOperatorController constructs a new OperatorController.

RegisterMetrics registers the restore metrics.

AgentController handles the excution of Restores on a specific (primary) mysql-agent.

OperatorController handles validation, labeling, and scheduling of Restores to be executed on a specific (primary) mysql-agent.

ConditionUpdater enables updating Restore conditions.