v1alpha1

type Bootstrap struct {
	// Static boostrapping requires that we know the network names of the
	// other peers ahead of time.
	// +optional
	Static *StaticBootstrap `json:"static,omitempty"`
}

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

	Spec   EtcdBackupSpec   `json:"spec,omitempty"`
	Status EtcdBackupStatus `json:"status,omitempty"`
}

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

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

	Spec   EtcdBackupScheduleSpec   `json:"spec,omitempty"`
	Status EtcdBackupScheduleStatus `json:"status,omitempty"`
}

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

type EtcdBackupScheduleSpec struct {
}

type EtcdBackupScheduleStatus struct {
}

type EtcdBackupSpec struct {
}

type EtcdBackupStatus struct {
}

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

	Spec   EtcdClusterSpec   `json:"spec,omitempty"`
	Status EtcdClusterStatus `json:"status,omitempty"`
}

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

type EtcdClusterSpec struct {
	// Number of instances of etcd to assemble into this cluster
	//+kubebuilder:validation:Required
	//+kubebuilder:validation:Minimum=1
	Replicas *int32 `json:"replicas"`
	// Storage is the configuration of the disks and mount points of the Etcd
	// peers.
	Storage *EtcdPeerStorage `json:"storage,omitempty"`
}

type EtcdClusterStatus struct {
	// Members contains information about each member from the etcd cluster.
	// +optional
	Members []EtcdMember `json:"members"`
}

type EtcdMember struct {
	// Name is a human-readable name for the member. Will *typically* match the name we gave the peer that manages this
	// member.
	Name string `json:"name"`

	// ID is the internal unique identifier for the member that defines its identity with the etcd cluster. We do not
	// define this.
	ID string `json:"id"`
}

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

	Spec   EtcdPeerSpec   `json:"spec,omitempty"`
	Status EtcdPeerStatus `json:"status,omitempty"`
}

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

type EtcdPeerSpec struct {
	// The name of the etcd cluster that this peer should join. This will be
	// used to set the `spec.subdomain` field and the
	// `etcd.improbable.io/cluster-name` label on the Pod running etcd.
	// +kubebuilder:validation:MaxLength:=64
	ClusterName string `json:"clusterName"`

	// Bootstrap is the bootstrap configuration to pass down into the etcd
	// pods. As per the etcd documentation, etcd will ignore bootstrap
	// instructions if it already knows where it's peers are.
	// +optional
	Bootstrap *Bootstrap `json:"bootstrap,omitempty"`

	// Storage is the configuration of the disks and mount points of the Etcd
	// pod.
	Storage *EtcdPeerStorage `json:"storage,omitempty"`
}

type EtcdPeerStatus struct {
}

type EtcdPeerStorage struct {
	// VolumeClaimTemplates is a claim that pods are allowed to reference.
	// The EtcdPeer controller will create a new PersistentVolumeClaim using the
	// StorageClass and the Storage Resource Request in this template.
	// That PVC will then be mounted in the Pod for this EtcdPeer and the Etcd
	// process when it starts will persist its data to the PV bound to that PVC.
	VolumeClaimTemplate *corev1.PersistentVolumeClaimSpec `json:"volumeClaimTemplate,omitempty"`
}

type InitialClusterMember struct {
	// Name is a friendly name for the peer, used as a means to identify the
	// peer once it has joined a cluster. This should match the `name` field
	// of the `EtcdPeer` resource representing that peer.
	Name string `json:"name"`

	// Host forms part of the Advertise URL - the URL at which this peer can
	// be contacted. The port and scheme are hardcoded to 2380 and http
	// respectively.
	Host string `json:"host"`
}

type StaticBootstrap struct {
	// InitialCluster provides details of all initial cluster members,
	// and should include ourselves.
	// +kubebuilder:validation:MinItems:=1
	InitialCluster []InitialClusterMember `json:"initialCluster,omitempty"`
}