/
snap_gen.go
225 lines (189 loc) · 4.99 KB
/
snap_gen.go
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// DO NOT EDIT.
// GENERATED by go:generate at 2019-05-15 06:25:01.204599391 +0000 UTC.
package gounity
import (
"fmt"
"strings"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
)
// Snap defines `snap` type.
type Snap struct {
Resource
Id string `json:"id"`
Name string `json:"name"`
Description string `json:"description"`
StorageResource *StorageResource `json:"storageResource"`
Lun *Lun `json:"lun"`
CreationTime string `json:"creationTime"`
ExpirationTime string `json:"expirationTime"`
CreatorType SnapCreatorTypeEnum `json:"creatorType"`
IsSystemSnap bool `json:"isSystemSnap"`
IsModifiable bool `json:"isModifiable"`
IsReadOnly bool `json:"isReadOnly"`
IsModified bool `json:"isModified"`
State SnapStateEnum `json:"state"`
Size uint64 `json:"size"`
HostAccess []*SnapHostAccess `json:"hostAccess"`
}
var (
typeNameSnap = "snap"
typeFieldsSnap = strings.Join([]string{
"id",
"name",
"description",
"storageResource",
"lun",
"creationTime",
"expirationTime",
"creatorType",
"isSystemSnap",
"isModifiable",
"isReadOnly",
"isModified",
"state",
"size",
"hostAccess",
}, ",")
)
type SnapOperatorGen interface {
NewSnapById(id string) *Snap
NewSnapByName(name string) *Snap
GetSnapById(id string) (*Snap, error)
GetSnapByName(name string) (*Snap, error)
GetSnaps() ([]*Snap, error)
FillSnaps(respEntries []*instanceResp) ([]*Snap, error)
FilterSnaps(filter *filter) ([]*Snap, error)
}
// NewSnapById constructs a `Snap` object with id.
func (u *Unity) NewSnapById(
id string,
) *Snap {
return &Snap{
Resource: Resource{
typeName: typeNameSnap, typeFields: typeFieldsSnap, Unity: u,
},
Id: id,
}
}
// NewSnapByName constructs a `snap` object with name.
func (u *Unity) NewSnapByName(
name string,
) *Snap {
return &Snap{
Resource: Resource{
typeName: typeNameSnap, typeFields: typeFieldsSnap, Unity: u,
},
Name: name,
}
}
// Refresh updates the info from Unity.
func (r *Snap) Refresh() error {
if r.Id == "" && r.Name == "" {
return fmt.Errorf(
"cannot refresh on snap without Id nor Name, resource:%v", r,
)
}
var (
latest *Snap
err error
)
switch r.Id {
case "":
if latest, err = r.Unity.GetSnapByName(r.Name); err != nil {
return err
}
*r = *latest
default:
if latest, err = r.Unity.GetSnapById(r.Id); err != nil {
return err
}
*r = *latest
}
return nil
}
// GetSnapById retrives the `snap` by given its id.
func (u *Unity) GetSnapById(
id string,
) (*Snap, error) {
res := u.NewSnapById(id)
err := u.GetInstanceById(res.typeName, id, res.typeFields, res)
if err != nil {
if IsUnityError(err) {
return nil, err
}
return nil, errors.Wrap(err, "get snap by id failed")
}
return res, nil
}
// GetSnapByName retrives the `snap` by given its name.
func (u *Unity) GetSnapByName(
name string,
) (*Snap, error) {
res := u.NewSnapByName(name)
if err := u.GetInstanceByName(res.typeName, name, res.typeFields, res); err != nil {
return nil, errors.Wrap(err, "get snap by name failed")
}
return res, nil
}
// GetSnaps retrives all `snap` objects.
func (u *Unity) GetSnaps() ([]*Snap, error) {
return u.FilterSnaps(nil)
}
// FilterSnaps filters the `snap` objects by given filters.
func (u *Unity) FilterSnaps(
filter *filter,
) ([]*Snap, error) {
respEntries, err := u.GetCollection(typeNameSnap, typeFieldsSnap, filter)
if err != nil {
return nil, errors.Wrap(err, "filter snap failed")
}
res, err := u.FillSnaps(respEntries)
if err != nil {
return nil, errors.Wrap(err, "fill snaps failed")
}
return res, nil
}
// FillSnaps generates the `snap` objects from collection query response.
func (u *Unity) FillSnaps(
respEntries []*instanceResp,
) ([]*Snap, error) {
resSlice := []*Snap{}
for _, entry := range respEntries {
res := u.NewSnapById("") // empty id for fake `Snap` object
if err := u.unmarshalResource(entry.Content, res); err != nil {
return nil, errors.Wrap(err, "decode to Snap failed")
}
resSlice = append(resSlice, res)
}
return resSlice, nil
}
// Repr represents a `snap` object using its id.
func (r *Snap) Repr() *idRepresent {
log := logrus.WithField("snap", r)
if r.Id == "" {
log.Info("refreshing snap from unity")
err := r.Refresh()
if err != nil {
log.WithError(err).Error("refresh snap from unity failed")
return nil
}
}
return &idRepresent{Id: r.Id}
}
// Delete deletes a snap object.
func (r *Snap) Delete() error {
log := logrus.WithField("snap", r)
if r.StorageResource == nil {
log.Info("refreshing snap from unity")
err := r.Refresh()
if err != nil {
return errors.Wrap(err, "refresh snap from unity failed")
}
}
err := r.Unity.DeleteInstance(typeStorageResource, r.StorageResource.Id)
if err != nil {
return errors.Wrap(err, "delete snap from unity failed")
}
return nil
}