本文整理匯總了Golang中github.com/docker/notary/tuf.RepoBuilder.GenerateSnapshot方法的典型用法代碼示例。如果您正苦於以下問題：Golang RepoBuilder.GenerateSnapshot方法的具體用法？Golang RepoBuilder.GenerateSnapshot怎麽用？Golang RepoBuilder.GenerateSnapshot使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類github.com/docker/notary/tuf.RepoBuilder的用法示例。
在下文中一共展示了RepoBuilder.GenerateSnapshot方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Golang代碼示例。
示例1: generateSnapshot
// generateSnapshot generates a new snapshot from the previous one in the store - this assumes all
// the other roles except timestamp have already been set on the repo, and will set the generated
// snapshot on the repo as well
func generateSnapshot(gun string, builder tuf.RepoBuilder, store storage.MetaStore) (*storage.MetaUpdate, error) {
var prev *data.SignedSnapshot
_, currentJSON, err := store.GetCurrent(gun, data.CanonicalSnapshotRole)
if err == nil {
prev = new(data.SignedSnapshot)
if err = json.Unmarshal(currentJSON, prev); err != nil {
logrus.Error("Failed to unmarshal existing snapshot for GUN ", gun)
return nil, err
}
}
if _, ok := err.(storage.ErrNotFound); !ok && err != nil {
return nil, err
}
meta, ver, err := builder.GenerateSnapshot(prev)
switch err.(type) {
case nil:
return &storage.MetaUpdate{
Role: data.CanonicalSnapshotRole,
Version: ver,
Data: meta,
}, nil
case signed.ErrInsufficientSignatures, signed.ErrNoKeys, signed.ErrRoleThreshold:
// If we cannot sign the snapshot, then we don't have keys for the snapshot,
// and the client should have submitted a snapshot
return nil, validation.ErrBadHierarchy{
Missing: data.CanonicalSnapshotRole,
Msg: "no snapshot was included in update and server does not hold current snapshot key for repository"}
default:
return nil, validation.ErrValidation{Msg: err.Error()}
}
}