v1alpha1

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

	Spec AdoptionSpec `json:"spec,omitempty"`
	// +kubebuilder:default={phase:Pending}
	Status AdoptionStatus `json:"status,omitempty"`
}

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

type AdoptionPhase string

type AdoptionSpec struct {
	// Strategy to use for adoption.
	Strategy AdoptionStrategy `json:"strategy"`
	// TargetAPI to use for adoption.
	TargetAPI TargetAPI `json:"targetAPI"`
}

type AdoptionStatus struct {
	// The most recent generation observed by the controller.
	ObservedGeneration int64 `json:"observedGeneration,omitempty"`
	// Conditions is a list of status conditions ths object is in.
	Conditions []metav1.Condition `json:"conditions,omitempty"`
	// DEPRECATED: This field is not part of any API contract
	// it will go away as soon as kubectl can print conditions!
	// Human readable status - please use .Conditions from code
	Phase AdoptionPhase `json:"phase,omitempty"`
}

type AdoptionStrategy struct {
	// Type of handover strategy. Can be "Static".
	// +kubebuilder:default=Static
	// +kubebuilder:validation:Enum={"Static"}
	Type AdoptionStrategyType `json:"type"`

	// Static handover strategy configuration.
	// Only present when type=Static.
	Static *AdoptionStrategyStaticSpec `json:"static,omitempty"`
}

type AdoptionStrategyStaticSpec struct {
	// Labels to set on objects.
	Labels map[string]string `json:"labels"`
}

type AdoptionStrategyType string

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

	Spec ClusterAdoptionSpec `json:"spec,omitempty"`
	// +kubebuilder:default={phase:Pending}
	Status ClusterAdoptionStatus `json:"status,omitempty"`
}

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

type ClusterAdoptionPhase string

type ClusterAdoptionSpec struct {
	// Strategy to use for adoption.
	Strategy ClusterAdoptionStrategy `json:"strategy"`
	// TargetAPI to use for adoption.
	TargetAPI TargetAPI `json:"targetAPI"`
}

type ClusterAdoptionStatus struct {
	// The most recent generation observed by the controller.
	ObservedGeneration int64 `json:"observedGeneration,omitempty"`
	// Conditions is a list of status conditions ths object is in.
	Conditions []metav1.Condition `json:"conditions,omitempty"`
	// DEPRECATED: This field is not part of any API contract
	// it will go away as soon as kubectl can print conditions!
	// Human readable status - please use .Conditions from code
	Phase ClusterAdoptionPhase `json:"phase,omitempty"`
}

type ClusterAdoptionStrategy struct {
	// Type of handover strategy. Can be "Static".
	// +kubebuilder:default=Static
	// +kubebuilder:validation:Enum={"Static"}
	Type ClusterAdoptionStrategyType `json:"type"`

	// Static handover strategy configuration.
	// Only present when type=Static.
	Static *ClusterAdoptionStrategyStaticSpec `json:"static,omitempty"`
}

type ClusterAdoptionStrategyStaticSpec struct {
	// Labels to set on objects.
	Labels map[string]string `json:"labels"`
}

type ClusterAdoptionStrategyType string

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

	Spec ClusterHandoverSpec `json:"spec,omitempty"`
	// +kubebuilder:default={phase:Pending}
	Status ClusterHandoverStatus `json:"status,omitempty"`
}

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

type ClusterHandoverPhase string

type ClusterHandoverSpec struct {
	// Strategy to use when handing over objects between operators.
	Strategy HandoverStrategy `json:"strategy"`
	// TargetAPI to use for handover.
	TargetAPI TargetAPI `json:"targetAPI"`
	// Probes to check selected objects for availability.
	Probes []Probe `json:"probes"`
}

type ClusterHandoverStatus struct {
	// Processing set of objects during handover.
	Processing []HandoverRef `json:"processing,omitempty"`
	// Statistics of the handover process.
	Stats HandoverStatusStats `json:"stats,omitempty"`
	// The most recent generation observed by the controller.
	ObservedGeneration int64 `json:"observedGeneration,omitempty"`
	// Conditions is a list of status conditions ths object is in.
	Conditions []metav1.Condition `json:"conditions,omitempty"`
	// DEPRECATED: This field is not part of any API contract
	// it will go away as soon as kubectl can print conditions!
	// Human readable status - please use .Conditions from code
	Phase ClusterHandoverPhase `json:"phase,omitempty"`
}

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

	Spec HandoverSpec `json:"spec,omitempty"`
	// +kubebuilder:default={phase:Pending}
	Status HandoverStatus `json:"status,omitempty"`
}

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

type HandoverPhase string

type HandoverRef struct {
	UID       types.UID `json:"uid"`
	Name      string    `json:"name"`
	Namespace string    `json:"namespace,omitempty"`
}

type HandoverSpec struct {
	// Strategy to use when handing over objects between operators.
	Strategy HandoverStrategy `json:"strategy"`
	// TargetAPI to use for handover.
	TargetAPI TargetAPI `json:"targetAPI"`
	// Probes to check selected objects for availability.
	Probes []Probe `json:"probes"`
}

type HandoverStatus struct {
	// Processing set of objects during handover.
	Processing []HandoverRef `json:"processing,omitempty"`
	// Statistics of the handover process.
	Stats HandoverStatusStats `json:"stats,omitempty"`
	// The most recent generation observed by the controller.
	ObservedGeneration int64 `json:"observedGeneration,omitempty"`
	// Conditions is a list of status conditions ths object is in.
	Conditions []metav1.Condition `json:"conditions,omitempty"`
	// DEPRECATED: This field is not part of any API contract
	// it will go away as soon as kubectl can print conditions!
	// Human readable status - please use .Conditions from code
	Phase HandoverPhase `json:"phase,omitempty"`
}

type HandoverStatusStats struct {
	// +optional
	Found int32 `json:"found"`
	// +optional
	Available int32 `json:"available"`
	// +optional
	Updated int32 `json:"updated"`
}

type HandoverStrategy struct {
	// Type of handover strategy. Can be "Relabel".
	// +kubebuilder:default=Relabel
	// +kubebuilder:validation:Enum={"Relabel"}
	Type HandoverStrategyType `json:"type"`

	// Relabel handover strategy configuration.
	// Only present when type=Relabel.
	Relabel *HandoverStrategyRelabelSpec `json:"relabel,omitempty"`
}

type HandoverStrategyRelabelSpec struct {
	// LabelKey defines the labelKey to change the value of.
	// +kubebuilder:validation:MinLength=1
	LabelKey string `json:"labelKey"`

	// FromValue defines the initial value of the label.
	// +kubebuilder:validation:MinLength=1
	FromValue string `json:"fromValue"`

	// ToValue defines the desired value of the label after handover.
	// +kubebuilder:validation:MinLength=1
	ToValue string `json:"toValue"`

	// Status path to validate that the new operator is posting status information now.
	StatusPath string `json:"statusPath"`

	// MaxUnavailable defines how many objects may become unavailable due to the handover at the same time.
	// Cannot be below 1, because we cannot surge while relabling to create more instances.
	// +kubebuilder:default=1
	// +kubebuilder:validation:Minimum=1
	MaxUnavailable int `json:"maxUnavailable"`
}

type HandoverStrategyType string

type Probe struct {
	// Type of the probe.
	// +kubebuilder:validation:Enum=Condition;FieldsEqual
	Type ProbeType `json:"type"`
	// Condition specific configuration parameters. Only present if Type = Condition.
	Condition   *ProbeConditionSpec   `json:"condition,omitempty"`
	FieldsEqual *ProbeFieldsEqualSpec `json:"fieldsEqual,omitempty"`
}

type ProbeConditionSpec struct {
	// Condition Type to probe for.
	Type string `json:"type"`
	// Condition status to probe for.
	// +kubebuilder:default="True"
	Status string `json:"status"`
}

type ProbeFieldsEqualSpec struct {
	FieldA string `json:"fieldA"`
	FieldB string `json:"fieldB"`
}

type ProbeType string

type TargetAPI struct {
	Group   string `json:"group"`
	Version string `json:"version"`
	Kind    string `json:"kind"`
}