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types.go
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types.go
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package volumes
import (
"encoding/json"
"fmt"
)
type VolumeSource string
type VolumeType string
type VolumeStatus string
const (
NewVolume VolumeSource = "new-volume"
Image VolumeSource = "image"
Snapshot VolumeSource = "snapshot"
Standard VolumeType = "standard"
SsdHiIops VolumeType = "ssd_hiiops"
SsdLowLatency VolumeType = "ssd_lowlatency"
SsdLocal VolumeType = "ssd_local"
Cold VolumeType = "cold"
Ultra VolumeType = "ultra"
Creating VolumeStatus = "creating"
Available VolumeStatus = "available"
Reserved VolumeStatus = "reserved"
Attaching VolumeStatus = "attaching"
Detaching VolumeStatus = "detaching"
InUse VolumeStatus = "in-use"
Maintenance VolumeStatus = "maintenance"
Deleting VolumeStatus = "deleting"
AwaitingTransfer VolumeStatus = "awaiting-transfer"
Error VolumeStatus = "error"
ErrorDeleting VolumeStatus = "error_deleting"
RestoringBackup VolumeStatus = "restoring-backup"
ErrorBackingUp VolumeStatus = "error_backing-up"
ErrorRestoring VolumeStatus = "error_restoring"
ErrorExtending VolumeStatus = "error_extending"
Downloading VolumeStatus = "downloading"
Uploading VolumeStatus = "uploading"
Retyping VolumeStatus = "retyping"
Extending VolumeStatus = "extending"
)
func (vs VolumeStatus) IsValid() error {
switch vs {
case Creating,
Available,
Reserved,
Attaching,
Detaching,
InUse,
Maintenance,
Deleting,
AwaitingTransfer,
Error,
ErrorDeleting,
RestoringBackup,
ErrorBackingUp,
ErrorRestoring,
ErrorExtending,
Downloading,
Uploading,
Retyping,
Extending:
return nil
}
return fmt.Errorf("invalid VolumeStatus type: %v", vs)
}
func (vs VolumeStatus) ValidOrNil() (*VolumeStatus, error) {
if vs.String() == "" {
return nil, nil
}
err := vs.IsValid()
if err != nil {
return &vs, err
}
return &vs, nil
}
func (vs VolumeStatus) String() string {
return string(vs)
}
func (vs VolumeStatus) List() []VolumeStatus {
return []VolumeStatus{
Creating,
Available,
Reserved,
Attaching,
Detaching,
InUse,
Maintenance,
Deleting,
AwaitingTransfer,
Error,
ErrorDeleting,
RestoringBackup,
ErrorBackingUp,
ErrorRestoring,
ErrorExtending,
Downloading,
Uploading,
Retyping,
Extending,
}
}
func (vs VolumeStatus) StringList() []string {
var s []string
for _, v := range vs.List() {
s = append(s, v.String())
}
return s
}
// UnmarshalJSON - implements Unmarshaler interface for VolumeStatus
func (vs *VolumeStatus) UnmarshalJSON(data []byte) error {
var s string
if err := json.Unmarshal(data, &s); err != nil {
return err
}
v := VolumeStatus(s)
err := v.IsValid()
if err != nil {
return err
}
*vs = v
return nil
}
// MarshalJSON - implements Marshaler interface for VolumeStatus
func (vs *VolumeStatus) MarshalJSON() ([]byte, error) {
return json.Marshal(vs.String())
}
func (vs VolumeSource) IsValid() error {
switch vs {
case NewVolume, Image, Snapshot:
return nil
}
return fmt.Errorf("invalid VolumeSource type: %v", vs)
}
func (vs VolumeSource) ValidOrNil() (*VolumeSource, error) {
if vs.String() == "" {
return nil, nil
}
err := vs.IsValid()
if err != nil {
return &vs, err
}
return &vs, nil
}
func (vs VolumeSource) String() string {
return string(vs)
}
func (vs VolumeSource) List() []VolumeSource {
return []VolumeSource{NewVolume, Image, Snapshot}
}
func (vs VolumeSource) StringList() []string {
var s []string
for _, v := range vs.List() {
s = append(s, v.String())
}
return s
}
// UnmarshalJSON - implements Unmarshaler interface for VolumeSource
func (vs *VolumeSource) UnmarshalJSON(data []byte) error {
var s string
if err := json.Unmarshal(data, &s); err != nil {
return err
}
v := VolumeSource(s)
err := v.IsValid()
if err != nil {
return err
}
*vs = v
return nil
}
// MarshalJSON - implements Marshaler interface for VolumeSource
func (vs *VolumeSource) MarshalJSON() ([]byte, error) {
return json.Marshal(vs.String())
}
func (vt VolumeType) String() string {
return string(vt)
}
func (vt VolumeType) List() []VolumeType {
return []VolumeType{Standard, SsdHiIops, SsdLocal, Cold, Ultra, SsdLowLatency}
}
func (vt VolumeType) StringList() []string {
var s []string
for _, v := range vt.List() {
s = append(s, v.String())
}
return s
}
func (vt VolumeType) IsValid() error {
switch vt {
case Standard, Cold, SsdHiIops, Ultra, SsdLocal, SsdLowLatency:
return nil
}
return fmt.Errorf("invalid VolumeType type: %v", vt)
}
func (vt VolumeType) ValidOrNil() (*VolumeType, error) {
if vt.String() == "" {
return nil, nil
}
err := vt.IsValid()
if err != nil {
return &vt, err
}
return &vt, nil
}
// UnmarshalJSON - implements Unmarshaler interface for VolumeType
func (vt *VolumeType) UnmarshalJSON(data []byte) error {
var s string
if err := json.Unmarshal(data, &s); err != nil {
return err
}
*vt = VolumeType(s)
return nil
}
// MarshalJSON - implements Marshaler interface for VolumeType
func (vt *VolumeType) MarshalJSON() ([]byte, error) {
return json.Marshal(vt.String())
}