extension

type Extension struct {
	extensionsv1alpha1.Extension

	// Timeout is the maximum waiting time for the Extension status to report readiness.
	Timeout time.Duration
	// Lifecycle defines when an extension resource should be updated during different operations.
	Lifecycle *gardencorev1beta1.ControllerResourceLifecycle
}

type Interface interface {
	// Deploy deploys extensions independent of the configured lifecycle.
	Deploy(context.Context) error
	// Wait waits until all extensions are deployed and report readiness.
	Wait(context.Context) error
	// Destroy deletes all extensions.
	Destroy(ctx context.Context) error
	// WaitCleanup waits until all extensions are cleaned up.
	WaitCleanup(ctx context.Context) error

	// DeleteStaleResources deletes unused Extension resources from the shoot namespace in the seed.
	DeleteStaleResources(context.Context) error
	// WaitCleanupStaleResources waits until all unused Extension resources are cleaned up.
	WaitCleanupStaleResources(context.Context) error
	// Extensions returns the map of extensions where the key is the type and the value is an Extension structure.
	Extensions() map[string]Extension

	// DeployBeforeKubeAPIServer deploys extensions that should be handled before the kube-apiserver.
	DeployBeforeKubeAPIServer(context.Context) error
	// RestoreBeforeKubeAPIServer restores extensions that should be handled before the kube-apiserver.
	RestoreBeforeKubeAPIServer(context.Context, *gardencorev1beta1.ShootState) error
	// WaitBeforeKubeAPIServer waits until all extensions that should be handled before the kube-apiserver are deployed and report readiness.
	WaitBeforeKubeAPIServer(context.Context) error

	// DeployAfterKubeAPIServer deploys extensions that should be handled after the kube-apiserver.
	DeployAfterKubeAPIServer(ctx context.Context) error
	// RestoreAfterKubeAPIServer restores extensions that should be handled after the kube-apiserver.
	RestoreAfterKubeAPIServer(ctx context.Context, shootState *gardencorev1beta1.ShootState) error
	// WaitAfterKubeAPIServer waits until all extensions that should be handled after the kube-apiserver are deployed and report readiness.
	WaitAfterKubeAPIServer(ctx context.Context) error

	// DeployAfterWorker deploys extensions that should be handled after the workers.
	DeployAfterWorker(ctx context.Context) error
	// RestoreAfterWorker restores extensions that should be handled after the workers.
	RestoreAfterWorker(ctx context.Context, shootState *gardencorev1beta1.ShootState) error
	// WaitAfterWorker waits until all extensions that should be handled after the workers are deployed and report readiness.
	WaitAfterWorker(ctx context.Context) error

	// DestroyBeforeKubeAPIServer deletes the extensions that should be handled before the kube-apiserver.
	DestroyBeforeKubeAPIServer(context.Context) error
	// WaitCleanupBeforeKubeAPIServer waits until the extensions that should be handled before the kube-apiserver are cleaned up.
	WaitCleanupBeforeKubeAPIServer(context.Context) error

	// DestroyAfterKubeAPIServer deletes the extensions that should be handled after the kube-apiserver.
	DestroyAfterKubeAPIServer(context.Context) error
	// WaitCleanupAfterKubeAPIServer waits until the extensions that should be handled after the kube-apiserver are cleaned up.
	WaitCleanupAfterKubeAPIServer(context.Context) error

	// MigrateBeforeKubeAPIServer migrates all Extension resources that should be handled before the kube-apiserver.
	MigrateBeforeKubeAPIServer(ctx context.Context) error
	// WaitMigrateBeforeKubeAPIServer waits until all Extension resources that should be handled before the kube-apiserver are migrated.
	WaitMigrateBeforeKubeAPIServer(ctx context.Context) error

	// MigrateAfterKubeAPIServer migrates all Extension resources that should be handled after the kube-apiserver.
	MigrateAfterKubeAPIServer(ctx context.Context) error
	// WaitMigrateAfterKubeAPIServer waits until all Extension resources that should be handled after the kube-apiserver are migrated.
	WaitMigrateAfterKubeAPIServer(ctx context.Context) error
}

type Values struct {
	// Class is the class used for the extension spec.
	// For the shoot class, this value is usually nil for backward compatibility.
	Class *extensionsv1alpha1.ExtensionClass
	// Namespace is the namespace into which the Extension resources should be deployed.
	Namespace string
	// Optional name prefix for the extension resources.
	NamePrefix *string
	// Extensions is the map of extensions where the key is the type and the value is an Extension structure.
	Extensions map[string]Extension
}