// Create creates and stores a new juju backup archive and returns
// its associated metadata.
func (b *backups) Create(dbInfo db.ConnInfo, origin metadata.Origin, notes string) (*metadata.Metadata, error) {
// Prep the metadata.
meta := metadata.NewMetadata(origin, notes, nil)
// Create the archive.
filesToBackUp, err := getFilesToBackUp("")
if err != nil {
return nil, errors.Annotate(err, "while listing files to back up")
}
dumper := getDBDumper(dbInfo)
args := createArgs{filesToBackUp, dumper}
result, err := runCreate(&args)
if err != nil {
return nil, errors.Annotate(err, "while creating backup archive")
}
defer result.archiveFile.Close()
// Store the archive.
err = finishMeta(meta, result)
if err != nil {
return nil, errors.Annotate(err, "while updating metadata")
}
err = storeArchive(b.storage, meta, result.archiveFile)
if err != nil {
return nil, errors.Annotate(err, "while storing backup archive")
}
return meta, nil
}
func (s *backupSuite) metadata(c *gc.C) *metadata.Metadata {
origin := metadata.NewOrigin(
s.State.EnvironTag().Id(),
"0",
"localhost",
)
meta := metadata.NewMetadata(*origin, "", nil)
err := meta.Finish(int64(42), "some hash", "", nil)
c.Assert(err, gc.IsNil)
return meta
}
// asMetadata returns a new metadata.Metadata based on the backupMetadataDoc.
func (doc *backupMetadataDoc) asMetadata() *metadata.Metadata {
// Create a new Metadata.
origin := metadata.ExistingOrigin(
doc.Environment,
doc.Machine,
doc.Hostname,
doc.Version,
)
started := time.Unix(doc.Started, 0).UTC()
meta := metadata.NewMetadata(
*origin,
doc.Notes,
&started,
)
// The ID is already set.
meta.SetID(doc.ID)
// Exit early if file-related fields not set.
if !doc.fileSet() {
return meta
}
// Set the file-related fields.
var finished *time.Time
if doc.Finished != 0 {
val := time.Unix(doc.Finished, 0).UTC()
finished = &val
}
err := meta.Finish(doc.Size, doc.Checksum, doc.ChecksumFormat, finished)
if err != nil {
// The doc should have already been validated. An error here
// indicates that Metadata changed and backupMetadataDoc did not
// accommodate the change. Thus an error here indicates a
// developer "error". A caller should not need to worry about
// that case so we panic instead of passing the error out.
panic(fmt.Sprintf("unexpectedly invalid metadata doc: %v", err))
}
if doc.Stored {
meta.SetStored()
}
return meta
}
func (s *backupMetadataStorage) New() filestorage.Metadata {
origin := NewBackupsOrigin(s.state, "")
return metadata.NewMetadata(*origin, "", nil)
}
func (s *backupsSuite) newMeta(notes string) *metadata.Metadata {
origin := metadata.NewOrigin("<env ID>", "<machine ID>", "<hostname>")
return metadata.NewMetadata(*origin, notes, nil)
}