本文整理汇总了Golang中github.com/lxc/lxd/shared.ImageInfo.Size方法的典型用法代码示例。如果您正苦于以下问题：Golang ImageInfo.Size方法的具体用法？Golang ImageInfo.Size怎么用？Golang ImageInfo.Size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/lxc/lxd/shared.ImageInfo的用法示例。
在下文中一共展示了ImageInfo.Size方法的3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: ImageDownload
//.........这里部分代码省略.........
d.imagesDownloadingLock.Unlock()
// Unlock once this func ends.
defer func() {
d.imagesDownloadingLock.Lock()
if waitChannel, ok := d.imagesDownloading[fp]; ok {
close(waitChannel)
delete(d.imagesDownloading, fp)
}
d.imagesDownloadingLock.Unlock()
}()
exporturl := server
var info shared.ImageInfo
info.Fingerprint = fp
destDir := shared.VarPath("images")
destName := filepath.Join(destDir, fp)
if shared.PathExists(destName) {
d.Storage.ImageDelete(fp)
}
progress := func(progressInt int64, speedInt int64) {
if op == nil {
return
}
meta := op.metadata
if meta == nil {
meta = make(map[string]interface{})
}
progress := fmt.Sprintf("%d%% (%s/s)", progressInt, shared.GetByteSizeString(speedInt))
if meta["download_progress"] != progress {
meta["download_progress"] = progress
op.UpdateMetadata(meta)
}
}
if protocol == "lxd" {
/* grab the metadata from /1.0/images/%s */
var url string
if secret != "" {
url = fmt.Sprintf(
"%s/%s/images/%s?secret=%s",
server, shared.APIVersion, fp, secret)
} else {
url = fmt.Sprintf("%s/%s/images/%s", server, shared.APIVersion, fp)
}
resp, err := d.httpGetSync(url, certificate)
if err != nil {
shared.LogError(
"Failed to download image metadata",
log.Ctx{"image": fp, "err": err})
return "", err
}
if err := json.Unmarshal(resp.Metadata, &info); err != nil {
return "", err
}
/* now grab the actual file from /1.0/images/%s/export */示例2: ImageDownload
//.........这里部分代码省略.........
info.AutoUpdate = autoUpdate
_, err = imageBuildFromInfo(d, *info)
if err != nil {
return "", err
}
if alias != fp {
id, _, err := dbImageGet(d.db, fp, false, true)
if err != nil {
return "", err
}
err = dbImageSourceInsert(d.db, id, server, protocol, "", alias)
if err != nil {
return "", err
}
}
if forContainer {
return fp, dbImageLastAccessInit(d.db, fp)
}
return fp, nil
}
raw, err := d.httpGetFile(exporturl, certificate)
if err != nil {
shared.Log.Error(
"Failed to download image",
log.Ctx{"image": fp, "err": err})
return "", err
}
info.Size = raw.ContentLength
ctype, ctypeParams, err := mime.ParseMediaType(raw.Header.Get("Content-Type"))
if err != nil {
ctype = "application/octet-stream"
}
body := &shared.TransferProgress{Reader: raw.Body, Length: raw.ContentLength, Handler: progress}
if ctype == "multipart/form-data" {
// Parse the POST data
mr := multipart.NewReader(body, ctypeParams["boundary"])
// Get the metadata tarball
part, err := mr.NextPart()
if err != nil {
shared.Log.Error(
"Invalid multipart image",
log.Ctx{"image": fp, "err": err})
return "", err
}
if part.FormName() != "metadata" {
shared.Log.Error(
"Invalid multipart image",
log.Ctx{"image": fp, "err": err})
return "", fmt.Errorf("Invalid multipart image")
}
destName = filepath.Join(destDir, info.Fingerprint)
f, err := os.Create(destName)示例3: ImageDownload
//.........这里部分代码省略.........
resp, err := d.httpGetSync(url)
if err != nil {
shared.Log.Error(
"Failed to download image metadata",
log.Ctx{"image": fp, "err": err})
return err
}
if err := json.Unmarshal(resp.Metadata, &info); err != nil {
return err
}
/* now grab the actual file from /1.0/images/%s/export */
if secret != "" {
exporturl = fmt.Sprintf(
"%s/%s/images/%s/export?secret=%s",
server, shared.APIVersion, fp, secret)
} else {
exporturl = fmt.Sprintf(
"%s/%s/images/%s/export",
server, shared.APIVersion, fp)
}
}
raw, err := d.httpGetFile(exporturl)
if err != nil {
shared.Log.Error(
"Failed to download image",
log.Ctx{"image": fp, "err": err})
return err
}
info.Size = raw.ContentLength
destDir := shared.VarPath("images")
destName := filepath.Join(destDir, fp)
if shared.PathExists(destName) {
d.Storage.ImageDelete(fp)
}
ctype, ctypeParams, err := mime.ParseMediaType(raw.Header.Get("Content-Type"))
if err != nil {
ctype = "application/octet-stream"
}
body := &Progress{Reader: raw.Body, length: raw.ContentLength, op: op}
if ctype == "multipart/form-data" {
// Parse the POST data
mr := multipart.NewReader(body, ctypeParams["boundary"])
// Get the metadata tarball
part, err := mr.NextPart()
if err != nil {
shared.Log.Error(
"Invalid multipart image",
log.Ctx{"image": fp, "err": err})
return err
}
if part.FormName() != "metadata" {
shared.Log.Error(
"Invalid multipart image",
log.Ctx{"image": fp, "err": err})