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package volumes
import (
"encoding/json"
"time"
"github.com/gophercloud/gophercloud"
"github.com/gophercloud/gophercloud/pagination"
)
type Attachment struct {
AttachedAt time.Time `json:"-"`
AttachmentID string `json:"attachment_id"`
Device string `json:"device"`
HostName string `json:"host_name"`
ID string `json:"id"`
ServerID string `json:"server_id"`
VolumeID string `json:"volume_id"`
}
func (r *Attachment) UnmarshalJSON(b []byte) error {
type tmp Attachment
var s struct {
tmp
AttachedAt gophercloud.JSONRFC3339MilliNoZ `json:"attached_at"`
}
err := json.Unmarshal(b, &s)
if err != nil {
return err
}
*r = Attachment(s.tmp)
r.AttachedAt = time.Time(s.AttachedAt)
return err
}
// Volume contains all the information associated with an OpenStack Volume.
type Volume struct {
// Unique identifier for the volume.
ID string `json:"id"`
// Current status of the volume.
Status string `json:"status"`
// Size of the volume in GB.
Size int `json:"size"`
// AvailabilityZone is which availability zone the volume is in.
AvailabilityZone string `json:"availability_zone"`
// The date when this volume was created.
CreatedAt time.Time `json:"-"`
// The date when this volume was last updated
UpdatedAt time.Time `json:"-"`
// Instances onto which the volume is attached.
Attachments []Attachment `json:"attachments"`
// Human-readable display name for the volume.
Name string `json:"name"`
// Human-readable description for the volume.
Description string `json:"description"`
// The type of volume to create, either SATA or SSD.
VolumeType string `json:"volume_type"`
// The ID of the snapshot from which the volume was created
SnapshotID string `json:"snapshot_id"`
// The ID of another block storage volume from which the current volume was created
SourceVolID string `json:"source_volid"`
// Arbitrary key-value pairs defined by the user.
Metadata map[string]string `json:"metadata"`
// UserID is the id of the user who created the volume.
UserID string `json:"user_id"`
// Indicates whether this is a bootable volume.
Bootable string `json:"bootable"`
// Encrypted denotes if the volume is encrypted.
Encrypted bool `json:"encrypted"`
// ReplicationStatus is the status of replication.
ReplicationStatus string `json:"replication_status"`
// ConsistencyGroupID is the consistency group ID.
ConsistencyGroupID string `json:"consistencygroup_id"`
// Multiattach denotes if the volume is multi-attach capable.
Multiattach bool `json:"multiattach"`
}
func (r *Volume) UnmarshalJSON(b []byte) error {
type tmp Volume
var s struct {
tmp
CreatedAt gophercloud.JSONRFC3339MilliNoZ `json:"created_at"`
UpdatedAt gophercloud.JSONRFC3339MilliNoZ `json:"updated_at"`
}
err := json.Unmarshal(b, &s)
if err != nil {
return err
}
*r = Volume(s.tmp)
r.CreatedAt = time.Time(s.CreatedAt)
r.UpdatedAt = time.Time(s.UpdatedAt)
return err
}
// VolumePage is a pagination.pager that is returned from a call to the List function.
type VolumePage struct {
pagination.LinkedPageBase
}
// IsEmpty returns true if a ListResult contains no Volumes.
func (r VolumePage) IsEmpty() (bool, error) {
volumes, err := ExtractVolumes(r)
return len(volumes) == 0, err
}
// NextPageURL uses the response's embedded link reference to navigate to the
// next page of results.
func (r VolumePage) NextPageURL() (string, error) {
var s struct {
Links []gophercloud.Link `json:"volumes_links"`
}
err := r.ExtractInto(&s)
if err != nil {
return "", err
}
return gophercloud.ExtractNextURL(s.Links)
}
// ExtractVolumes extracts and returns Volumes. It is used while iterating over a volumes.List call.
func ExtractVolumes(r pagination.Page) ([]Volume, error) {
var s []Volume
err := ExtractVolumesInto(r, &s)
return s, err
}
type commonResult struct {
gophercloud.Result
}
// Extract will get the Volume object out of the commonResult object.
func (r commonResult) Extract() (*Volume, error) {
var s Volume
err := r.ExtractInto(&s)
return &s, err
}
func (r commonResult) ExtractInto(v interface{}) error {
return r.Result.ExtractIntoStructPtr(v, "volume")
}
func ExtractVolumesInto(r pagination.Page, v interface{}) error {
return r.(VolumePage).Result.ExtractIntoSlicePtr(v, "volumes")
}
// CreateResult contains the response body and error from a Create request.
type CreateResult struct {
commonResult
}
// GetResult contains the response body and error from a Get request.
type GetResult struct {
commonResult
}
// UpdateResult contains the response body and error from an Update request.
type UpdateResult struct {
commonResult
}
// DeleteResult contains the response body and error from a Delete request.
type DeleteResult struct {
gophercloud.ErrResult
}
|
