Beispiel #1
0
// StoreCharmArchive stores a charm archive in environment storage.
func StoreCharmArchive(st *state.State, curl *charm.URL, ch charm.Charm, r io.Reader, size int64, sha256 string) error {
	storage := newStateStorage(st.EnvironUUID(), st.MongoSession())
	storagePath, err := charmArchiveStoragePath(curl)
	if err != nil {
		return errors.Annotate(err, "cannot generate charm archive name")
	}
	if err := storage.Put(storagePath, r, size); err != nil {
		return errors.Annotate(err, "cannot add charm to storage")
	}

	// Now update the charm data in state and mark it as no longer pending.
	_, err = st.UpdateUploadedCharm(ch, curl, storagePath, sha256)
	if err != nil {
		alreadyUploaded := err == state.ErrCharmRevisionAlreadyModified ||
			errors.Cause(err) == state.ErrCharmRevisionAlreadyModified ||
			state.IsCharmAlreadyUploadedError(err)
		if err := storage.Remove(storagePath); err != nil {
			if alreadyUploaded {
				logger.Errorf("cannot remove duplicated charm archive from storage: %v", err)
			} else {
				logger.Errorf("cannot remove unsuccessfully recorded charm archive from storage: %v", err)
			}
		}
		if alreadyUploaded {
			// Somebody else managed to upload and update the charm in
			// state before us. This is not an error.
			return nil
		}
	}
	return nil
}
Beispiel #2
0
// StoreCharmArchive stores a charm archive in environment storage.
func StoreCharmArchive(st *state.State, archive CharmArchive) error {
	storage := newStateStorage(st.ModelUUID(), st.MongoSession())
	storagePath, err := charmArchiveStoragePath(archive.ID)
	if err != nil {
		return errors.Annotate(err, "cannot generate charm archive name")
	}
	if err := storage.Put(storagePath, archive.Data, archive.Size); err != nil {
		return errors.Annotate(err, "cannot add charm to storage")
	}

	info := state.CharmInfo{
		Charm:       archive.Charm,
		ID:          archive.ID,
		StoragePath: storagePath,
		SHA256:      archive.SHA256,
		Macaroon:    archive.Macaroon,
	}

	// Now update the charm data in state and mark it as no longer pending.
	_, err = st.UpdateUploadedCharm(info)
	if err != nil {
		alreadyUploaded := err == state.ErrCharmRevisionAlreadyModified ||
			errors.Cause(err) == state.ErrCharmRevisionAlreadyModified ||
			state.IsCharmAlreadyUploadedError(err)
		if err := storage.Remove(storagePath); err != nil {
			if alreadyUploaded {
				logger.Errorf("cannot remove duplicated charm archive from storage: %v", err)
			} else {
				logger.Errorf("cannot remove unsuccessfully recorded charm archive from storage: %v", err)
			}
		}
		if alreadyUploaded {
			// Somebody else managed to upload and update the charm in
			// state before us. This is not an error.
			return nil
		}
	}
	return nil
}