v1alpha4

type MachinePoolPhase string

type MachinePoolSpec struct {
	// ClusterName is the name of the Cluster this object belongs to.
	// +kubebuilder:validation:MinLength=1
	ClusterName string `json:"clusterName"`

	// Number of desired machines. Defaults to 1.
	// This is a pointer to distinguish between explicit zero and not specified.
	Replicas *int32 `json:"replicas,omitempty"`

	// Template describes the machines that will be created.
	Template clusterv1alpha4.MachineTemplateSpec `json:"template"`

	// Minimum number of seconds for which a newly created machine instances should
	// be ready.
	// Defaults to 0 (machine instance will be considered available as soon as it
	// is ready)
	// +optional
	MinReadySeconds *int32 `json:"minReadySeconds,omitempty"`

	// ProviderIDList are the identification IDs of machine instances provided by the provider.
	// This field must match the provider IDs as seen on the node objects corresponding to a machine pool's machine instances.
	// +optional
	ProviderIDList []string `json:"providerIDList,omitempty"`

	// FailureDomains is the list of failure domains this MachinePool should be attached to.
	FailureDomains []string `json:"failureDomains,omitempty"`
}

type MachinePoolStatus struct {
	// NodeRefs will point to the corresponding Nodes if it they exist.
	// +optional
	NodeRefs []corev1.ObjectReference `json:"nodeRefs,omitempty"`

	// Replicas is the most recently observed number of replicas.
	// +optional
	Replicas int32 `json:"replicas"`

	// The number of ready replicas for this MachinePool. A machine is considered ready when the node has been created and is "Ready".
	// +optional
	ReadyReplicas int32 `json:"readyReplicas,omitempty"`

	// The number of available replicas (ready for at least minReadySeconds) for this MachinePool.
	// +optional
	AvailableReplicas int32 `json:"availableReplicas,omitempty"`

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

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

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

	// Phase represents the current phase of cluster actuation.
	// E.g. Pending, Running, Terminating, Failed etc.
	// +optional
	Phase string `json:"phase,omitempty"`

	// BootstrapReady is the state of the bootstrap provider.
	// +optional
	BootstrapReady bool `json:"bootstrapReady"`

	// InfrastructureReady is the state of the infrastructure provider.
	// +optional
	InfrastructureReady bool `json:"infrastructureReady"`

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

	// Conditions define the current service state of the MachinePool.
	// +optional
	Conditions clusterv1alpha4.Conditions `json:"conditions,omitempty"`
}