Exemple #1
0
Fichier : open.go Projet : bac/juju
func (st *State) createDefaultStoragePoolsOps(registry storage.ProviderRegistry) ([]txn.Op, error) {
	m := poolmanager.MemSettings{make(map[string]map[string]interface{})}
	pm := poolmanager.New(m, registry)
	providerTypes, err := registry.StorageProviderTypes()
	if err != nil {
		return nil, errors.Trace(err)
	}
	for _, providerType := range providerTypes {
		p, err := registry.StorageProvider(providerType)
		if err != nil {
			return nil, errors.Trace(err)
		}
		if err := poolmanager.AddDefaultStoragePools(p, pm); err != nil {
			return nil, errors.Annotatef(
				err, "adding default storage pools for %q", providerType,
			)
		}
	}

	var ops []txn.Op
	for key, settings := range m.Settings {
		ops = append(ops, createSettingsOp(settingsC, key, settings))
	}
	return ops, nil
}
Exemple #2
0
// StoragePoolConfig returns the storage provider type and
// configuration for a named storage pool. If there is no
// such pool with the specified name, but it identifies a
// storage provider, then that type will be returned with a
// nil configuration.
func StoragePoolConfig(name string, poolManager poolmanager.PoolManager, registry storage.ProviderRegistry) (storage.ProviderType, *storage.Config, error) {
	pool, err := poolManager.Get(name)
	if errors.IsNotFound(err) {
		// If not a storage pool, then maybe a provider type.
		providerType := storage.ProviderType(name)
		if _, err1 := registry.StorageProvider(providerType); err1 != nil {
			return "", nil, errors.Trace(err)
		}
		return providerType, &storage.Config{}, nil
	} else if err != nil {
		return "", nil, errors.Annotatef(err, "getting pool %q", name)
	}
	return pool.Provider(), pool, nil
}
Exemple #3
0
func sourceParams(
	baseStorageDir string,
	sourceName string,
	providerType storage.ProviderType,
	registry storage.ProviderRegistry,
) (storage.Provider, *storage.Config, error) {
	provider, err := registry.StorageProvider(providerType)
	if err != nil {
		return nil, nil, errors.Annotate(err, "getting provider")
	}
	attrs := make(map[string]interface{})
	if baseStorageDir != "" {
		storageDir := filepath.Join(baseStorageDir, sourceName)
		attrs[storage.ConfigStorageDir] = storageDir
	}
	sourceConfig, err := storage.NewConfig(sourceName, providerType, attrs)
	if err != nil {
		return nil, nil, errors.Annotate(err, "getting config")
	}
	return provider, sourceConfig, nil
}