func (s *metadataSuite) TestBuildMetadata(c *gc.C) {
archive, err := os.Create(filepath.Join(c.MkDir(), "juju-backup.tgz"))
c.Assert(err, jc.ErrorIsNil)
_, err = archive.Write([]byte("<compressed data>"))
c.Assert(err, jc.ErrorIsNil)
fi, err := archive.Stat()
c.Assert(err, jc.ErrorIsNil)
finished := backups.FileTimestamp(fi).Unix()
meta, err := backups.BuildMetadata(archive)
c.Assert(err, jc.ErrorIsNil)
c.Check(meta.ID(), gc.Equals, "")
c.Check(meta.Checksum(), gc.Equals, "2jmj7l5rSw0yVb/vlWAYkK/YBwk=")
c.Check(meta.ChecksumFormat(), gc.Equals, "SHA-1, base64 encoded")
c.Check(meta.Size(), gc.Equals, int64(17))
c.Check(meta.Stored(), gc.IsNil)
c.Check(meta.Started.Unix(), gc.Equals, int64(time.Time{}.Unix()))
c.Check(meta.Finished.Unix(), gc.Equals, finished)
c.Check(meta.Notes, gc.Equals, "")
c.Check(meta.Origin.Environment, gc.Equals, backups.UnknownString)
c.Check(meta.Origin.Machine, gc.Equals, backups.UnknownString)
c.Check(meta.Origin.Hostname, gc.Equals, backups.UnknownString)
c.Check(meta.Origin.Version.String(), gc.Equals, backups.UnknownVersion.String())
}
func getArchive(filename string) (rc ArchiveReader, metaResult *params.BackupsMetadataResult, err error) {
defer func() {
if err != nil && rc != nil {
rc.Close()
}
}()
archive, err := os.Open(filename)
rc = archive
if err != nil {
return nil, nil, errors.Trace(err)
}
// Extract the metadata.
ad, err := statebackups.NewArchiveDataReader(archive)
if err != nil {
return nil, nil, errors.Trace(err)
}
_, err = archive.Seek(0, os.SEEK_SET)
if err != nil {
return nil, nil, errors.Trace(err)
}
meta, err := ad.Metadata()
if err != nil {
if !errors.IsNotFound(err) {
return nil, nil, errors.Trace(err)
}
meta, err = statebackups.BuildMetadata(archive)
if err != nil {
return nil, nil, errors.Trace(err)
}
}
// Make sure the file info is set.
fileMeta, err := statebackups.BuildMetadata(archive)
if err != nil {
return nil, nil, errors.Trace(err)
}
if meta.Size() == int64(0) {
if err := meta.SetFileInfo(fileMeta.Size(), "", ""); err != nil {
return nil, nil, errors.Trace(err)
}
}
if meta.Checksum() == "" {
err := meta.SetFileInfo(0, fileMeta.Checksum(), fileMeta.ChecksumFormat())
if err != nil {
return nil, nil, errors.Trace(err)
}
}
if meta.Finished == nil || meta.Finished.IsZero() {
meta.Finished = fileMeta.Finished
}
_, err = archive.Seek(0, os.SEEK_SET)
if err != nil {
return nil, nil, errors.Trace(err)
}
// Pack the metadata into a result.
// TODO(perrito666) change the identity of ResultfromMetadata to
// return a pointer.
mResult := apiserverbackups.ResultFromMetadata(meta)
metaResult = &mResult
return archive, metaResult, nil
}