v1alpha1

type ControllerConfigurationSpec struct {
	// GroupKindConcurrency is a map from a Kind to the number of concurrent reconciliation
	// allowed for that controller.
	//
	// When a controller is registered within this manager using the builder utilities,
	// users have to specify the type the controller reconciles in the For(...) call.
	// If the object's kind passed matches one of the keys in this map, the concurrency
	// for that controller is set to the number specified.
	//
	// The key is expected to be consistent in form with GroupKind.String(),
	// e.g. ReplicaSet in apps group (regardless of version) would be `ReplicaSet.apps`.
	//
	// +optional
	GroupKindConcurrency map[string]int `json:"groupKindConcurrency,omitempty"`

	// CacheSyncTimeout refers to the time limit set to wait for syncing caches.
	// Defaults to 2 minutes if not set.
	// +optional
	CacheSyncTimeout *time.Duration `json:"cacheSyncTimeout,omitempty"`

	// RecoverPanic indicates if panics should be recovered.
	// +optional
	RecoverPanic *bool `json:"recoverPanic,omitempty"`
}

type ControllerHealth struct {
	// HealthProbeBindAddress is the TCP address that the controller should bind to
	// for serving health probes
	// It can be set to "0" or "" to disable serving the health probe.
	// +optional
	HealthProbeBindAddress string `json:"healthProbeBindAddress,omitempty"`

	// ReadinessEndpointName, defaults to "readyz"
	// +optional
	ReadinessEndpointName string `json:"readinessEndpointName,omitempty"`

	// LivenessEndpointName, defaults to "healthz"
	// +optional
	LivenessEndpointName string `json:"livenessEndpointName,omitempty"`
}

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

	// ControllerManagerConfiguration returns the contfigurations for controllers
	ControllerManagerConfigurationSpec `json:",inline"`
}

type ControllerManagerConfigurationSpec struct {
	// SyncPeriod determines the minimum frequency at which watched resources are
	// reconciled. A lower period will correct entropy more quickly, but reduce
	// responsiveness to change if there are many watched resources. Change this
	// value only if you know what you are doing. Defaults to 10 hours if unset.
	// there will a 10 percent jitter between the SyncPeriod of all controllers
	// so that all controllers will not send list requests simultaneously.
	// +optional
	SyncPeriod *metav1.Duration `json:"syncPeriod,omitempty"`

	// LeaderElection is the LeaderElection config to be used when configuring
	// the manager.Manager leader election
	// +optional
	LeaderElection *configv1alpha1.LeaderElectionConfiguration `json:"leaderElection,omitempty"`

	// CacheNamespace if specified restricts the manager's cache to watch objects in
	// the desired namespace Defaults to all namespaces
	//
	// Note: If a namespace is specified, controllers can still Watch for a
	// cluster-scoped resource (e.g Node).  For namespaced resources the cache
	// will only hold objects from the desired namespace.
	// +optional
	CacheNamespace string `json:"cacheNamespace,omitempty"`

	// GracefulShutdownTimeout is the duration given to runnable to stop before the manager actually returns on stop.
	// To disable graceful shutdown, set to time.Duration(0)
	// To use graceful shutdown without timeout, set to a negative duration, e.G. time.Duration(-1)
	// The graceful shutdown is skipped for safety reasons in case the leader election lease is lost.
	GracefulShutdownTimeout *metav1.Duration `json:"gracefulShutDown,omitempty"`

	// Controller contains global configuration options for controllers
	// registered within this manager.
	// +optional
	Controller *ControllerConfigurationSpec `json:"controller,omitempty"`

	// Metrics contains the controller metrics configuration
	// +optional
	Metrics ControllerMetrics `json:"metrics,omitempty"`

	// Health contains the controller health configuration
	// +optional
	Health ControllerHealth `json:"health,omitempty"`

	// Webhook contains the controllers webhook configuration
	// +optional
	Webhook ControllerWebhook `json:"webhook,omitempty"`
}

type ControllerMetrics 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.
	// +optional
	BindAddress string `json:"bindAddress,omitempty"`
}

type ControllerWebhook struct {
	// Port is the port that the webhook server serves at.
	// It is used to set webhook.Server.Port.
	// +optional
	Port *int `json:"port,omitempty"`

	// Host is the hostname that the webhook server binds to.
	// It is used to set webhook.Server.Host.
	// +optional
	Host string `json:"host,omitempty"`

	// CertDir is the directory that contains the server key and certificate.
	// if not set, webhook server would look up the server key and certificate in
	// {TempDir}/k8s-webhook-server/serving-certs. The server key and certificate
	// must be named tls.key and tls.crt, respectively.
	// +optional
	CertDir string `json:"certDir,omitempty"`
}