worker

type Actuator interface {
	// Reconcile reconciles the [extensionsv1alpha1.Worker] resource.
	//
	// Implementations should ensure that any resources
	// (e.g. MachineClasses, MachineDeployments, Secrets, etc.) are created
	// or updated in order to reach their desired state.
	Reconcile(context.Context, logr.Logger, *extensionsv1alpha1.Worker, *extensionscontroller.Cluster) error

	// Delete is invoked when the [extensionsv1alpha1.Worker] resource is
	// deleted.
	//
	// Implementations should take care of cleaning up any resources
	// (e.g. MachineClasses, MachineDeployments, Secrets, etc.), which were
	// created by the Extension.
	//
	// Implementations must wait until all resources managed by the
	// extension have been gracefully cleaned up.
	Delete(context.Context, logr.Logger, *extensionsv1alpha1.Worker, *extensionscontroller.Cluster) error

	// ForceDelete is invoked when the shoot cluster associated with the
	// [extensionsv1alpha1.Worker] resource is being deleted in a forceful
	// manner.
	//
	// Implementations should take care of unblocking the deletion flow by
	// attempting to cleanup any resources created by the extension, remove
	// any finalizers created for custom resources, etc., and also skip
	// waiting for external resources, if they cannot be deleted gracefully.
	//
	// If some resources managed by the extension implementation cannot be
	// deleted gracefully, this method should still succeed, even if some
	// resources are orphaned.
	ForceDelete(context.Context, logr.Logger, *extensionsv1alpha1.Worker, *extensionscontroller.Cluster) error

	// Restore restores the [extensionsv1alpha1.Worker] from a previously
	// saved state.
	//
	// For more details please refer to the following documentation.
	//
	// https://gardener.cloud/docs/gardener/extensions/migration/#implementation-details
	Restore(context.Context, logr.Logger, *extensionsv1alpha1.Worker, *extensionscontroller.Cluster) error

	// Migrate prepares the [extensionsv1alpha1.Worker] resource for
	// migration.
	//
	// This method is invoked when the shoot cluster associated with the
	// [extensionsv1alpha1.Extension] resource is being migrated to another
	// seed cluster.
	//
	// For more details, please refer to the following documentation.
	//
	// https://gardener.cloud/docs/gardener/extensions/migration/#implementation-details
	Migrate(context.Context, logr.Logger, *extensionsv1alpha1.Worker, *extensionscontroller.Cluster) error
}

type AddArgs struct {
	// Actuator is a Worker actuator.
	Actuator Actuator
	// ControllerOptions are the controller options used for creating a controller.
	// The options.Reconciler is always overridden with a reconciler created from the
	// given actuator.
	ControllerOptions controller.Options
	// Predicates are the predicates to use.
	// If unset, GenerationChangedPredicate will be used.
	Predicates []predicate.Predicate
	// Type is the type of the resource considered for reconciliation.
	Type string
	// IgnoreOperationAnnotation specifies whether to ignore the operation annotation or not.
	// If the annotation is not ignored, the extension controller will only reconcile
	// with a present operation annotation typically set during a reconcile (e.g. in the maintenance time) by the Gardenlet
	IgnoreOperationAnnotation bool
	// ExtensionClasses defines the extension classes this controller is responsible for.
	ExtensionClasses []extensionsv1alpha1.ExtensionClass
	// SelfHostedShootCluster indicates whether the extension runs in a self-hosted shoot cluster.
	SelfHostedShootCluster bool
}

type CapabilitiesAccessor interface {
	GetCapabilities() v1beta1.Capabilities
}

type MachineDeployment struct {
	Name                         string
	PoolName                     string
	ClassName                    string
	SecretName                   string
	Minimum                      int32
	Maximum                      int32
	Priority                     *int32
	Strategy                     machinev1alpha1.MachineDeploymentStrategy
	Labels                       map[string]string
	Annotations                  map[string]string
	Taints                       []corev1.Taint
	State                        *shootstate.MachineDeploymentState
	MachineConfiguration         *machinev1alpha1.MachineConfiguration
	ClusterAutoscalerAnnotations map[string]string
}

type MachineDeployments []MachineDeployment