Server: Allow attaching volumes

Add a new mutable `volumes` fields in the server resource spec, allowing
to control volumes attached to the server.

Author: mandre

api/v1alpha1/server_types.go

@@ -60,6 +60,27 @@ type ServerPortSpec struct {
 	PortRef *KubernetesNameRef `json:"portRef,omitempty"`
 }
 
+// +kubebuilder:validation:MinProperties:=1
+type ServerVolumeSpec struct {
+	// volumeRef is a reference to a Volume object. Server creation will wait for
+	// this volume to be created and available.
+	// +required
+	VolumeRef KubernetesNameRef `json:"volumeRef"`
+
+	// device is the name of the device, such as `/dev/vdb`.
+	// Omit for auto-assignment
+	// +kubebuilder:validation:MaxLength:=255
+	// +optional
+	Device *string `json:"device,omitempty"`
+}
+
+type ServerVolumeStatus struct {
+	// id is the ID of a volume attached to the server.
+	// +kubebuilder:validation:MaxLength:=1024
+	// +optional
+	ID string `json:"id,omitempty"`
+}
+
 // ServerResourceSpec contains the desired state of a server
 type ServerResourceSpec struct {
 	// name will be the name of the created resource. If not specified, the
@@ -92,6 +113,12 @@ type ServerResourceSpec struct {
 	// +kubebuilder:validation:XValidation:rule="self == oldSelf",message="ports is immutable"
 	Ports []ServerPortSpec `json:"ports"`
 
+	// volumes is a list of volumes attached to the server.
+	// +kubebuilder:validation:MaxItems:=32
+	// +listType=atomic
+	// +optional
+	Volumes []ServerVolumeSpec `json:"volumes,omitempty"`
+
 	// serverGroupRef is a reference to a ServerGroup object. The server
 	// will be created in the server group.
 	// +optional
@@ -155,6 +182,12 @@ type ServerResourceStatus struct {
 	// +optional
 	ServerGroups []string `json:"serverGroups,omitempty"`
 
+	// volumes contains the volumes attached to the server.
+	// +kubebuilder:validation:MaxItems:=32
+	// +listType=atomic
+	// +optional
+	Volumes []ServerVolumeStatus `json:"volumes,omitempty"`
+
 	// tags is the list of tags on the resource.
 	// +kubebuilder:validation:MaxItems:=32
 	// +kubebuilder:validation:items:MaxLength=1024

api/v1alpha1/volume_types.go

@@ -69,6 +69,27 @@ type VolumeFilter struct {
 	Size *int32 `json:"size,omitempty"`
 }
 
+type VolumeAttachmentStatus struct {
+	// attachmentID represents the attachment UUID.
+	// +kubebuilder:validation:MaxLength=1024
+	// +optional
+	AttachmentID string `json:"attachmentID"`
+
+	// serverID is the UUID of the server to which the volume is attached.
+	// +kubebuilder:validation:MaxLength=1024
+	// +optional
+	ServerID string `json:"serverID"`
+
+	// device is the name of the device in the instance.
+	// +kubebuilder:validation:MaxLength=1024
+	// +optional
+	Device string `json:"device"`
+
+	// attachedAt shows the date and time when the resource was attached. The date and time stamp format is ISO 8601.
+	// +optional
+	AttachedAt *metav1.Time `json:"attachedAt"`
+}
+
 // VolumeResourceStatus represents the observed state of the resource.
 type VolumeResourceStatus struct {
 	// name is a Human-readable name for the resource. Might not be unique.
@@ -95,8 +116,11 @@ type VolumeResourceStatus struct {
 	// +optional
 	AvailabilityZone string `json:"availabilityZone,omitempty"`
 
-	// Instances onto which the volume is attached.
-	// Attachments []Attachment `json:"attachments"`
+	// attachments is a list of attachments for the volume.
+	// +kubebuilder:validation:MaxItems:=32
+	// +listType=atomic
+	// +optional
+	Attachments []VolumeAttachmentStatus `json:"attachments"`
 
 	// volumeType is the name of associated the volume type.
 	// +kubebuilder:validation:MaxLength=1024