// Create is the API method that requests juju to create a new backup
// of its state. It returns the metadata for that backup.
func (a *API) Create(args params.BackupsCreateArgs) (p params.BackupsMetadataResult, err error) {
backupsMethods, closer := newBackups(a.st)
defer closer.Close()
session := a.st.MongoSession().Copy()
defer session.Close()
// Don't go if HA isn't ready.
err = waitUntilReady(session, 60)
if err != nil {
return p, errors.Annotatef(err, "HA not ready; try again later")
}
mgoInfo := a.st.MongoConnectionInfo()
dbInfo, err := backups.NewDBInfo(mgoInfo, session)
if err != nil {
return p, errors.Trace(err)
}
meta, err := backups.NewMetadataState(a.st, a.machineID)
if err != nil {
return p, errors.Trace(err)
}
meta.Notes = args.Notes
err = backupsMethods.Create(meta, a.paths, dbInfo)
if err != nil {
return p, errors.Trace(err)
}
return ResultFromMetadata(meta), nil
}
func (s *downloadSuite) TestSuccessfulRequest(c *gc.C) {
store := backups.NewStorage(s.State)
defer store.Close()
backupsState := backups.NewBackups(store)
r := strings.NewReader("<compressed archive data>")
meta, err := backups.NewMetadataState(s.State, "0")
c.Assert(err, jc.ErrorIsNil)
// The Add method requires the length to be set
// otherwise the content is assumed to have length 0.
meta.Raw.Size = int64(r.Len())
id, err := backupsState.Add(r, meta)
c.Assert(err, jc.ErrorIsNil)
resultArchive, err := s.client.Download(id)
c.Assert(err, jc.ErrorIsNil)
resultData, err := ioutil.ReadAll(resultArchive)
c.Assert(err, jc.ErrorIsNil)
c.Check(string(resultData), gc.Equals, "<compressed archive data>")
}