// Create creates a new local key-value store and if it is designated for
// metadata storage (metadata = true), also stores a blank RepoManager
// into the newly created key-value store. Any preexisting data at the
// path is retained.
func Create(path string, metadata bool, config dvid.Config) error {
// Make the local key value store
create := true
kvEngine, err := local.NewKeyValueStore(path, create, config)
if err != nil {
return err
}
// Put a blank RepoManager onto the key value store.
if err = InitMetadata(kvEngine); err != nil {
return err
}
return nil
}
// CloseReopenStore forces close of the underlying storage engine and then reopening
// the datastore. Useful for testing metadata persistence.
func CloseReopenStore() {
mu.Lock()
defer mu.Unlock()
dvid.BlockOnActiveCgo()
if engine == nil {
log.Fatalf("Attempted to close and reopen non-existant engine!")
}
engine.Close()
var err error
create := false
engine, err = local.NewKeyValueStore(dbpath, create, dvid.Config{})
if err != nil {
log.Fatalf("Error reopening test db at %s: %v\n", dbpath, err)
}
if err = storage.Initialize(engine, "testdb"); err != nil {
log.Fatalf("CloseReopenStore: bad storage.Initialize(): %v\n", err)
}
if err = datastore.Initialize(); err != nil {
log.Fatalf("CloseReopenStore: can't initialize datastore management: %v\n", err)
}
}