// Create is defined on PoolManager interface.
func (pm *poolManager) Create(name string, providerType storage.ProviderType, attrs map[string]interface{}) (*storage.Config, error) {
if name == "" {
return nil, MissingNameError
}
if providerType == "" {
return nil, MissingTypeError
}
cfg, err := storage.NewConfig(name, providerType, attrs)
if err != nil {
return nil, errors.Trace(err)
}
p, err := registry.StorageProvider(providerType)
if err != nil {
return nil, errors.Trace(err)
}
if err := provider.ValidateConfig(p, cfg); err != nil {
return nil, errors.Annotate(err, "validating storage provider config")
}
poolAttrs := cfg.Attrs()
poolAttrs[Name] = name
poolAttrs[Type] = string(providerType)
if err := pm.settings.CreateSettings(globalKey(name), poolAttrs); err != nil {
return nil, errors.Annotatef(err, "creating pool %q", name)
}
return cfg, nil
}
func configFromSettings(settings map[string]interface{}) (*storage.Config, error) {
providerType := storage.ProviderType(settings[Type].(string))
name := settings[Name].(string)
// Ensure returned attributes are stripped of name and type,
// as these are not user-specified attributes.
delete(settings, Name)
delete(settings, Type)
cfg, err := storage.NewConfig(name, providerType, settings)
if err != nil {
return nil, errors.Trace(err)
}
p, err := registry.StorageProvider(providerType)
if err != nil {
return nil, errors.Trace(err)
}
if err := provider.ValidateConfig(p, cfg); err != nil {
return nil, errors.Trace(err)
}
return cfg, nil
}