v1alpha1

type Controller struct {
	// Sharder configures the sharder controller.
	// +optional
	Sharder *SharderController `json:"sharder,omitempty"`
}

type HealthEndpoint struct {
	// BindAddress is the TCP address that the controller should bind to
	// for serving health probes
	// It can be set to "0" to disable serving the health probe.
	// Defaults to :8081
	// +optional
	BindAddress string `json:"bindAddress,omitempty"`
}

type MetricsEndpoint struct {
	// BindAddress is the TCP address that the controller should bind to
	// for serving prometheus metrics.
	// It can be set to "0" to disable the metrics serving.
	// Defaults to :8080
	// +optional
	BindAddress string `json:"bindAddress,omitempty"`
}

type SharderConfig struct {
	metav1.TypeMeta `json:",inline"`

	// ClientConnection holds configuration for the kubernetes API clients.
	// +optional
	ClientConnection *componentbaseconfigv1alpha1.ClientConnectionConfiguration `json:"clientConnection,omitempty"`
	// LeaderElection is the LeaderElection config to be used when configuring
	// the manager.Manager leader election
	// +optional
	LeaderElection *componentbaseconfigv1alpha1.LeaderElectionConfiguration `json:"leaderElection,omitempty"`
	// Debugging holds configuration for Debugging related features.
	// +optional
	Debugging *componentbaseconfigv1alpha1.DebuggingConfiguration `json:"debugging,omitempty"`
	// Health contains the controller health configuration
	Health HealthEndpoint `json:"health"`
	// Metrics contains the controller metrics configuration
	Metrics MetricsEndpoint `json:"metrics"`
	// Controller configures the sharder's controllers.
	Controller Controller `json:"controller"`
	// Webhook configures webhooks and the webhook server.
	Webhook Webhook `json:"webhook"`
	// GracefulShutdownTimeout is the duration given to runnable to stop before the manager actually returns on stop.
	// To disable graceful shutdown, set it to 0s.
	// To use graceful shutdown without timeout, set to a negative duration, e.G. -1s.
	// The graceful shutdown is skipped for safety reasons in case the leader election lease is lost.
	// Defaults to 15s
	GracefulShutdownTimeout *metav1.Duration `json:"gracefulShutDown,omitempty"`
}

type SharderController struct {
	// SyncPeriod configures how often a periodic resync of all object assignments in a ring is performed.
	// Defaults to 5m
	// +optional
	SyncPeriod *metav1.Duration `json:"syncPeriod,omitempty"`
	// ConcurrentMoves configures how many objects of the same ControllerRing are moved (or drained) concurrently at
	// maximum.
	// Defaults to 100
	// +optional
	ConcurrentMoves *int32 `json:"concurrentMoves,omitempty"`
}

type Webhook struct {
	// Server configures the sharder's webhook server.
	// +optional
	Server *WebhookServer `json:"server,omitempty"`
	// Config configures the sharder's MutatingWebhookConfiguration objects.
	// +optional
	Config *WebhookConfig `json:"config,omitempty"`
}

type WebhookConfig struct {
	// Annotations are additional annotations that should be added to all webhook configs.
	// +optional
	Annotations map[string]string `json:"annotations,omitempty"`
	// ClientConfig configures the webhook configs' target.
	// Defaults to a service reference to sharding-system/sharder.
	// +optional
	ClientConfig *admissionregistrationv1.WebhookClientConfig `json:"clientConfig,omitempty"`
	// NamespaceSelector overwrites the webhook configs' default namespaceSelector.
	// Note: changing/unsetting this selector will not remove labels from objects in namespaces that were previously
	// included.
	// Defaults to excluding the kube-system and sharding-system namespaces
	// +optional
	NamespaceSelector *metav1.LabelSelector `json:"namespaceSelector,omitempty"`
}

type WebhookServer struct {
	// CertDir is the directory that contains the server key and certificate.
	// Defaults to /tmp/k8s-webhook-server/serving-certs
	// +optional
	CertDir *string `json:"certDir,omitempty"`
	// CertName is the server certificate name.
	// Defaults to tls.crt
	// +optional
	CertName *string `json:"certName,omitempty"`
	// KeyName is the server key name.
	// Defaults to tls.key
	// +optional
	KeyName *string `json:"keyName,omitempty"`
}