v1beta1

type K3sControlPlane struct {
	metav1.TypeMeta   `json:",inline"`
	metav1.ObjectMeta `json:"metadata,omitempty"`

	Spec   K3sControlPlaneSpec   `json:"spec,omitempty"`
	Status K3sControlPlaneStatus `json:"status,omitempty"`
}

type K3sControlPlaneList struct {
	metav1.TypeMeta `json:",inline"`
	metav1.ListMeta `json:"metadata,omitempty"`
	Items           []K3sControlPlane `json:"items"`
}

type K3sControlPlaneMachineTemplate struct {
	// Standard object's metadata.
	// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
	// +optional
	ObjectMeta clusterv1.ObjectMeta `json:"metadata,omitempty"`

	// InfrastructureRef is a required reference to a custom resource
	// offered by an infrastructure provider.
	InfrastructureRef corev1.ObjectReference `json:"infrastructureRef"`

	// NodeDrainTimeout is the total amount of time that the controller will spend on draining a controlplane node
	// The default value is 0, meaning that the node can be drained without any time limitations.
	// NOTE: NodeDrainTimeout is different from `kubectl drain --timeout`
	// +optional
	NodeDrainTimeout *metav1.Duration `json:"nodeDrainTimeout,omitempty"`

	// NodeDeletionTimeout defines how long the machine controller will attempt to delete the Node that the Machine
	// hosts after the Machine is marked for deletion. A duration of 0 will retry deletion indefinitely.
	// If no value is provided, the default value for this property of the Machine resource will be used.
	// +optional
	NodeDeletionTimeout *metav1.Duration `json:"nodeDeletionTimeout,omitempty"`
}

type K3sControlPlaneSpec struct {
	// Number of desired machines. Defaults to 1. When stacked etcd is used only
	// odd numbers are permitted, as per [etcd best practice](https://etcd.io/docs/v3.3.12/faq/#why-an-odd-number-of-cluster-members).
	// This is a pointer to distinguish between explicit zero and not specified.
	// +optional
	Replicas *int32 `json:"replicas,omitempty"`

	// Version defines the desired K3s version.
	Version string `json:"version"`

	// MachineTemplate contains information about how machines
	// should be shaped when creating or updating a control plane.
	MachineTemplate K3sControlPlaneMachineTemplate `json:"machineTemplate"`

	// K3sConfigSpec is a K3sConfigSpec
	// to use for initializing and joining machines to the control plane.
	// +optional
	K3sConfigSpec infrabootstrapv1.K3sConfigSpec `json:"k3sConfigSpec,omitempty"`

	// RolloutAfter is a field to indicate a rollout should be performed
	// after the specified time even if no changes have been made to the
	// K3sControlPlane.
	//
	// +optional
	RolloutAfter *metav1.Time `json:"rolloutAfter,omitempty"`

	// The RolloutStrategy to use to replace control plane machines with
	// new ones.
	// +optional
	// +kubebuilder:default={type: "RollingUpdate", rollingUpdate: {maxSurge: 1}}
	RolloutStrategy *RolloutStrategy `json:"rolloutStrategy,omitempty"`
}

type K3sControlPlaneStatus struct {
	// Selector is the label selector in string format to avoid introspection
	// by clients, and is used to provide the CRD-based integration for the
	// scale subresource and additional integrations for things like kubectl
	// describe.. The string will be in the same format as the query-param syntax.
	// More info about label selectors: http://kubernetes.io/docs/user-guide/labels#label-selectors
	// +optional
	Selector string `json:"selector,omitempty"`

	// Total number of non-terminated machines targeted by this control plane
	// (their labels match the selector).
	// +optional
	Replicas int32 `json:"replicas"`

	// Version represents the minimum Kubernetes version for the control plane machines
	// in the cluster.
	// +optional
	Version *string `json:"version,omitempty"`

	// Total number of non-terminated machines targeted by this control plane
	// that have the desired template spec.
	// +optional
	UpdatedReplicas int32 `json:"updatedReplicas"`

	// Total number of fully running and ready control plane machines.
	// +optional
	ReadyReplicas int32 `json:"readyReplicas"`

	// Total number of unavailable machines targeted by this control plane.
	// This is the total number of machines that are still required for
	// the deployment to have 100% available capacity. They may either
	// be machines that are running but not yet ready or machines
	// that still have not been created.
	// +optional
	UnavailableReplicas int32 `json:"unavailableReplicas"`

	// Initialized denotes whether or not the control plane has the
	// uploaded kubeadm-config configmap.
	// +optional
	Initialized bool `json:"initialized"`

	// Ready denotes that the K3sControlPlane API Server is ready to
	// receive requests.
	// +optional
	Ready bool `json:"ready"`

	// FailureReason indicates that there is a terminal problem reconciling the
	// state, and will be set to a token value suitable for
	// programmatic interpretation.
	// +optional
	FailureReason errors.KubeadmControlPlaneStatusError `json:"failureReason,omitempty"`

	// ErrorMessage indicates that there is a terminal problem reconciling the
	// state, and will be set to a descriptive error message.
	// +optional
	FailureMessage *string `json:"failureMessage,omitempty"`

	// ObservedGeneration is the latest generation observed by the controller.
	// +optional
	ObservedGeneration int64 `json:"observedGeneration,omitempty"`

	// Conditions defines current service state of the K3sControlPlane.
	// +optional
	Conditions clusterv1.Conditions `json:"conditions,omitempty"`
}

type K3sControlPlaneTemplate struct {
	metav1.TypeMeta   `json:",inline"`
	metav1.ObjectMeta `json:"metadata,omitempty"`

	Spec K3sControlPlaneTemplateSpec `json:"spec,omitempty"`
}

type K3sControlPlaneTemplateList struct {
	metav1.TypeMeta `json:",inline"`
	metav1.ListMeta `json:"metadata,omitempty"`
	Items           []K3sControlPlaneTemplate `json:"items"`
}

type K3sControlPlaneTemplateMachineTemplate struct {
	// NodeDrainTimeout is the total amount of time that the controller will spend on draining a controlplane node
	// The default value is 0, meaning that the node can be drained without any time limitations.
	// NOTE: NodeDrainTimeout is different from `kubectl drain --timeout`
	// +optional
	NodeDrainTimeout *metav1.Duration `json:"nodeDrainTimeout,omitempty"`

	// NodeDeletionTimeout defines how long the machine controller will attempt to delete the Node that the Machine
	// hosts after the Machine is marked for deletion. A duration of 0 will retry deletion indefinitely.
	// If no value is provided, the default value for this property of the Machine resource will be used.
	// +optional
	NodeDeletionTimeout *metav1.Duration `json:"nodeDeletionTimeout,omitempty"`
}

type K3sControlPlaneTemplateResource struct {
	Spec K3sControlPlaneTemplateResourceSpec `json:"spec"`
}

type K3sControlPlaneTemplateResourceSpec struct {
	// MachineTemplate contains information about how machines
	// should be shaped when creating or updating a control plane.
	// +optional
	MachineTemplate *K3sControlPlaneTemplateMachineTemplate `json:"machineTemplate,omitempty"`

	// K3sConfigSpec is a K3sConfigSpec
	// to use for initializing and joining machines to the control plane.
	K3sConfigSpec infrabootstrapv1.K3sConfigSpec `json:"k3sConfigSpec"`

	// RolloutAfter is a field to indicate a rollout should be performed
	// after the specified time even if no changes have been made to the
	// K3sControlPlane.
	//
	// +optional
	RolloutAfter *metav1.Time `json:"rolloutAfter,omitempty"`

	// The RolloutStrategy to use to replace control plane machines with
	// new ones.
	// +optional
	// +kubebuilder:default={type: "RollingUpdate", rollingUpdate: {maxSurge: 1}}
	RolloutStrategy *RolloutStrategy `json:"rolloutStrategy,omitempty"`
}

type K3sControlPlaneTemplateSpec struct {
	Template K3sControlPlaneTemplateResource `json:"template"`
}

type RollingUpdate struct {
	// The maximum number of control planes that can be scheduled above or under the
	// desired number of control planes.
	// Value can be an absolute number 1 or 0.
	// Defaults to 1.
	// Example: when this is set to 1, the control plane can be scaled
	// up immediately when the rolling update starts.
	// +optional
	MaxSurge *intstr.IntOrString `json:"maxSurge,omitempty"`
}

type RolloutStrategy struct {
	// Type of rollout. Currently the only supported strategy is
	// "RollingUpdate".
	// Default is RollingUpdate.
	// +optional
	Type RolloutStrategyType `json:"type,omitempty"`

	// Rolling update config params. Present only if
	// RolloutStrategyType = RollingUpdate.
	// +optional
	RollingUpdate *RollingUpdate `json:"rollingUpdate,omitempty"`
}

type RolloutStrategyType string