bluegreenstyle

type Interface interface {
	// BuildController will get workload object and parse workload info,
	// and return a initialized controller for workload.
	BuildController() (Interface, error)
	// GetWorkloadInfo return workload information.
	GetWorkloadInfo() *util.WorkloadInfo
	// ListOwnedPods fetch the pods owned by the workload.
	// Note that we should list pod only if we really need it.
	// reserved for future use
	ListOwnedPods() ([]*corev1.Pod, error)
	// CalculateBatchContext calculate current batch context
	// according to release plan and current status of workload.
	CalculateBatchContext(release *v1beta1.BatchRelease) (*batchcontext.BatchContext, error)
	// Initialize do something before rolling out, for example:
	// - pause the workload
	// - update: MinReadySeconds, ProgressDeadlineSeconds, Strategy
	Initialize(release *v1beta1.BatchRelease) error
	// UpgradeBatch upgrade workload according current batch context.
	UpgradeBatch(ctx *batchcontext.BatchContext) error
	// Finalize do something after rolling out, for example:
	// - set pause to false, restore the original setting, delete annotation
	Finalize(release *v1beta1.BatchRelease) error
}

type NewInterfaceFunc func(cli client.Client, key types.NamespacedName, gvk schema.GroupVersionKind) Interface