Пример #1
0
// NewDatastoreKeyValue will validate the supplied name and create a datastore
// backed key / value store
//
// The file will be located at the init datastoreURL  -- currently that's in the
// appliance directory under the {dsFolder} folder (i.e. [datastore]vch-appliance/{dsFolder}/{name})
func NewDatastoreKeyValue(ctx context.Context, session *session.Session, name string) (kvstore.KeyValueStore, error) {
	defer trace.End(trace.Begin(name))

	mgr.m.Lock()
	defer mgr.m.Unlock()

	// validate the name
	err := validateStoreName(name)
	if err != nil {
		return nil, err
	}
	// get a ds helper for this ds url
	dsHelper, err := datastore.NewHelper(trace.NewOperation(ctx, "datastore helper creation"), session,
		session.Datastore, fmt.Sprintf("%s/%s", mgr.datastoreURL.Path, KVStoreFolder))
	if err != nil {
		return nil, fmt.Errorf("unable to get datastore helper for %s store creation: %s", name, err.Error())
	}

	// create or restore the specified K/V store
	keyVal, err := kvstore.NewKeyValueStore(ctx, kvstore.NewDatastoreBackend(dsHelper), name)
	if err != nil && !os.IsExist(err) {
		return nil, fmt.Errorf("unable to create %s datastore backed store: %s", name, err.Error())
	}
	// throw it in the store map
	mgr.dsStores[name] = keyVal

	return keyVal, nil
}
Пример #2
0
func setup() {
	// set up fake store manager
	mgr = &StoreManager{
		dsStores: make(map[string]kvstore.KeyValueStore),
	}

	kv, err := kvstore.NewKeyValueStore(context.TODO(), &kvstore.MockBackend{}, "test")
	log.Errorf("failed to create kv store: %s", err)
	mgr.dsStores[APIKV] = kv
}