Ejemplo n.º 1
0
func (s serveCharm) step(c *gc.C, ctx *context) {
	storage := storage.NewStorage(ctx.st.ModelUUID(), ctx.st.MongoSession())
	for storagePath, data := range ctx.charms {
		err := storage.Put(storagePath, bytes.NewReader(data), int64(len(data)))
		c.Assert(err, jc.ErrorIsNil)
		delete(ctx.charms, storagePath)
	}
}
Ejemplo n.º 2
0
// migrateCharmStorage copies uploaded charms from provider storage
// to environment storage, and then adds the storage path into the
// charm's document in state.
func migrateCharmStorage(st *state.State, agentConfig agent.Config) error {
	logger.Debugf("migrating charms to environment storage")
	charms, err := st.AllCharms()
	if err != nil {
		return err
	}
	storage := storage.NewStorage(st.EnvironUUID(), st.MongoSession())

	// Local and manual provider host storage on the state server's
	// filesystem, and serve via HTTP storage. The storage worker
	// doesn't run yet, so we just open the files directly.
	fetchCharmArchive := fetchCharmArchive
	providerType := agentConfig.Value(agent.ProviderType)
	if providerType == provider.Local || provider.IsManual(providerType) {
		storageDir := agentConfig.Value(agent.StorageDir)
		fetchCharmArchive = localstorage{storageDir}.fetchCharmArchive
	}

	storagePaths := make(map[*charm.URL]string)
	for _, ch := range charms {
		if ch.IsPlaceholder() {
			logger.Debugf("skipping %s, placeholder charm", ch.URL())
			continue
		}
		if !ch.IsUploaded() {
			logger.Debugf("skipping %s, not uploaded to provider storage", ch.URL())
			continue
		}
		if charmStoragePath(ch) != "" {
			logger.Debugf("skipping %s, already in environment storage", ch.URL())
			continue
		}
		url := charmBundleURL(ch)
		if url == nil {
			logger.Debugf("skipping %s, has no bundle URL", ch.URL())
			continue
		}
		uuid, err := utils.NewUUID()
		if err != nil {
			return err
		}
		data, err := fetchCharmArchive(url)
		if err != nil {
			return err
		}

		curl := ch.URL()
		storagePath := fmt.Sprintf("charms/%s-%s", curl, uuid)
		logger.Debugf("uploading %s to %q in environment storage", curl, storagePath)
		err = storage.Put(storagePath, bytes.NewReader(data), int64(len(data)))
		if err != nil {
			return errors.Annotatef(err, "failed to upload %s to storage", curl)
		}
		storagePaths[curl] = storagePath
	}

	return stateAddCharmStoragePaths(st, storagePaths)
}