bastion

type Actuator interface {
	// Reconcile reconciles the [extensionsv1alpha1.Bastion] resource.
	//
	// Implementations should ensure that the bastion host is created or
	// updated in order to reach its desired state.
	Reconcile(context.Context, logr.Logger, *extensionsv1alpha1.Bastion, *extensionscontroller.Cluster) error

	// Delete is invoked when the [extensionsv1alpha1.Bastion] resource is
	// deleted.
	//
	// Implementations should take care of cleaning up any resources created
	// by the extension during its lifecycle.
	//
	// Implementations must wait until all resources managed by the
	// extension have been gracefully cleaned up.
	Delete(context.Context, logr.Logger, *extensionsv1alpha1.Bastion, *extensionscontroller.Cluster) error

	// ForceDelete is invoked when the [extensionsv1alpha1.Bastion] 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, 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.Bastion, *extensionscontroller.Cluster) error
}

type AddArgs struct {
	// Actuator is a Bastion actuator.
	Actuator Actuator
	// ConfigValidator is a bastion config validator.
	ConfigValidator ConfigValidator
	// 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
	// ExtensionClasses defines the extension classes this controller is responsible for.
	ExtensionClasses []extensionsv1alpha1.ExtensionClass
}

type ConfigValidator interface {
	// Validate validates the provider config of the given bastion and cluster resources used by Bastion.
	// If the returned error list is non-empty, the reconciliation will fail with an error.
	// This error will have the error code ERR_CONFIGURATION_PROBLEM, unless there is at least one error in the list
	// that has its ErrorType field set to field.ErrorTypeInternal.
	Validate(ctx context.Context, bastion *extensionsv1alpha1.Bastion, cluster *extensions.Cluster) field.ErrorList
}