// 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
}
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
}