本文整理汇总了Golang中github.com/docker/docker/image.Store.Create方法的典型用法代码示例。如果您正苦于以下问题:Golang Store.Create方法的具体用法?Golang Store.Create怎么用?Golang Store.Create使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类github.com/docker/docker/image.Store
的用法示例。
在下文中一共展示了Store.Create方法的4个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Golang代码示例。
示例1: migrateImage
func migrateImage(id, root string, ls graphIDRegistrar, is image.Store, ms metadata.Store, mappings map[string]image.ID) (err error) {
defer func() {
if err != nil {
logrus.Errorf("migration failed for %v, err: %v", id, err)
}
}()
parent, err := getParent(filepath.Join(root, graphDirName, id))
if err != nil {
return err
}
var parentID image.ID
if parent != "" {
var exists bool
if parentID, exists = mappings[parent]; !exists {
if err := migrateImage(parent, root, ls, is, ms, mappings); err != nil {
// todo: fail or allow broken chains?
return err
}
parentID = mappings[parent]
}
}
rootFS := image.NewRootFS()
var history []image.History
if parentID != "" {
parentImg, err := is.Get(parentID)
if err != nil {
return err
}
rootFS = parentImg.RootFS
history = parentImg.History
}
diffIDData, err := ioutil.ReadFile(filepath.Join(root, graphDirName, id, migrationDiffIDFileName))
if err != nil {
return err
}
diffID, err := digest.ParseDigest(string(diffIDData))
if err != nil {
return err
}
sizeStr, err := ioutil.ReadFile(filepath.Join(root, graphDirName, id, migrationSizeFileName))
if err != nil {
return err
}
size, err := strconv.ParseInt(string(sizeStr), 10, 64)
if err != nil {
return err
}
layer, err := ls.RegisterByGraphID(id, rootFS.ChainID(), layer.DiffID(diffID), filepath.Join(root, graphDirName, id, migrationTarDataFileName), size)
if err != nil {
return err
}
logrus.Infof("migrated layer %s to %s", id, layer.DiffID())
jsonFile := filepath.Join(root, graphDirName, id, "json")
imageJSON, err := ioutil.ReadFile(jsonFile)
if err != nil {
return err
}
h, err := imagev1.HistoryFromConfig(imageJSON, false)
if err != nil {
return err
}
history = append(history, h)
rootFS.Append(layer.DiffID())
config, err := imagev1.MakeConfigFromV1Config(imageJSON, rootFS, history)
if err != nil {
return err
}
strongID, err := is.Create(config)
if err != nil {
return err
}
logrus.Infof("migrated image %s to %s", id, strongID)
if parentID != "" {
if err := is.SetParent(strongID, parentID); err != nil {
return err
}
}
checksum, err := ioutil.ReadFile(filepath.Join(root, graphDirName, id, "checksum"))
if err == nil { // best effort
dgst, err := digest.ParseDigest(string(checksum))
if err == nil {
V2MetadataService := metadata.NewV2MetadataService(ms)
V2MetadataService.Add(layer.DiffID(), metadata.V2Metadata{Digest: dgst})
}
}
_, err = ls.Release(layer)
//.........这里部分代码省略.........
示例2: restoreCustomImage
func restoreCustomImage(driver graphdriver.Driver, is image.Store, ls layer.Store, rs reference.Store) error {
if wd, ok := driver.(*windows.Driver); ok {
imageInfos, err := wd.GetCustomImageInfos()
if err != nil {
return err
}
// Convert imageData to valid image configuration
for i := range imageInfos {
name := strings.ToLower(imageInfos[i].Name)
type registrar interface {
RegisterDiffID(graphID string, size int64) (layer.Layer, error)
}
r, ok := ls.(registrar)
if !ok {
return errors.New("Layerstore doesn't support RegisterDiffID")
}
if _, err := r.RegisterDiffID(imageInfos[i].ID, imageInfos[i].Size); err != nil {
return err
}
// layer is intentionally not released
rootFS := image.NewRootFS()
rootFS.BaseLayer = filepath.Base(imageInfos[i].Path)
// Create history for base layer
config, err := json.Marshal(&image.Image{
V1Image: image.V1Image{
DockerVersion: dockerversion.Version,
Architecture: runtime.GOARCH,
OS: runtime.GOOS,
Created: imageInfos[i].CreatedTime,
},
RootFS: rootFS,
History: []image.History{},
})
named, err := reference.ParseNamed(name)
if err != nil {
return err
}
ref, err := reference.WithTag(named, imageInfos[i].Version)
if err != nil {
return err
}
id, err := is.Create(config)
if err != nil {
return err
}
if err := rs.AddTag(ref, id, true); err != nil {
return err
}
logrus.Debugf("Registered base layer %s as %s", ref, id)
}
}
return nil
}
示例3: restoreCustomImage
func restoreCustomImage(is image.Store, ls layer.Store, rs reference.Store) error {
type graphDriverStore interface {
GraphDriver() graphdriver.Driver
}
gds, ok := ls.(graphDriverStore)
if !ok {
return nil
}
driver := gds.GraphDriver()
wd, ok := driver.(*windows.Driver)
if !ok {
return nil
}
imageInfos, err := wd.GetCustomImageInfos()
if err != nil {
return err
}
// Convert imageData to valid image configuration
for _, info := range imageInfos {
name := strings.ToLower(info.Name)
type registrar interface {
RegisterDiffID(graphID string, size int64) (layer.Layer, error)
}
r, ok := ls.(registrar)
if !ok {
return errors.New("Layerstore doesn't support RegisterDiffID")
}
if _, err := r.RegisterDiffID(info.ID, info.Size); err != nil {
return err
}
// layer is intentionally not released
rootFS := image.NewRootFSWithBaseLayer(filepath.Base(info.Path))
// Create history for base layer
config, err := json.Marshal(&image.Image{
V1Image: image.V1Image{
DockerVersion: dockerversion.Version,
Architecture: runtime.GOARCH,
OS: runtime.GOOS,
Created: info.CreatedTime,
},
RootFS: rootFS,
History: []image.History{},
OSVersion: info.OSVersion,
OSFeatures: info.OSFeatures,
})
named, err := reference.ParseNamed(name)
if err != nil {
return err
}
ref, err := reference.WithTag(named, info.Version)
if err != nil {
return err
}
id, err := is.Create(config)
if err != nil {
logrus.Warnf("Failed to restore custom image %s with error: %s.", name, err)
logrus.Warnf("Skipping image %s...", name)
continue
}
if err := rs.AddTag(ref, id, true); err != nil {
return err
}
logrus.Debugf("Registered base layer %s as %s", ref, id)
}
return nil
}
示例4: migrateImage
func migrateImage(id, root string, ls graphIDRegistrar, is image.Store, ms metadata.Store, mappings map[string]image.ID) (err error) {
defer func() {
if err != nil {
logrus.Errorf("migration failed for %v, err: %v", id, err)
}
}()
jsonFile := filepath.Join(root, graphDirName, id, "json")
imageJSON, err := ioutil.ReadFile(jsonFile)
if err != nil {
return err
}
var parent struct {
Parent string
ParentID digest.Digest `json:"parent_id"`
}
if err := json.Unmarshal(imageJSON, &parent); err != nil {
return err
}
if parent.Parent == "" && parent.ParentID != "" { // v1.9
parent.Parent = parent.ParentID.Hex()
}
// compatibilityID for parent
parentCompatibilityID, err := ioutil.ReadFile(filepath.Join(root, graphDirName, id, "parent"))
if err == nil && len(parentCompatibilityID) > 0 {
parent.Parent = string(parentCompatibilityID)
}
var parentID image.ID
if parent.Parent != "" {
var exists bool
if parentID, exists = mappings[parent.Parent]; !exists {
if err := migrateImage(parent.Parent, root, ls, is, ms, mappings); err != nil {
// todo: fail or allow broken chains?
return err
}
parentID = mappings[parent.Parent]
}
}
rootFS := image.NewRootFS()
var history []image.History
if parentID != "" {
parentImg, err := is.Get(parentID)
if err != nil {
return err
}
rootFS = parentImg.RootFS
history = parentImg.History
}
layer, err := ls.RegisterByGraphID(id, rootFS.ChainID(), filepath.Join(filepath.Join(root, graphDirName, id, tarDataFileName)))
if err != nil {
return err
}
logrus.Infof("migrated layer %s to %s", id, layer.DiffID())
h, err := imagev1.HistoryFromConfig(imageJSON, false)
if err != nil {
return err
}
history = append(history, h)
rootFS.Append(layer.DiffID())
config, err := imagev1.MakeConfigFromV1Config(imageJSON, rootFS, history)
if err != nil {
return err
}
strongID, err := is.Create(config)
if err != nil {
return err
}
logrus.Infof("migrated image %s to %s", id, strongID)
if parentID != "" {
if err := is.SetParent(strongID, parentID); err != nil {
return err
}
}
checksum, err := ioutil.ReadFile(filepath.Join(root, graphDirName, id, "checksum"))
if err == nil { // best effort
dgst, err := digest.ParseDigest(string(checksum))
if err == nil {
blobSumService := metadata.NewBlobSumService(ms)
blobSumService.Add(layer.DiffID(), dgst)
}
}
_, err = ls.Release(layer)
if err != nil {
return err
}
mappings[id] = strongID
return
}