func New(dataDir string) (app *App, err error) {
err = os.Mkdir(dataDir, 0700)
if err != nil && !os.IsExist(err) {
return nil, err
}
lockPath := filepath.Join(dataDir, "lock")
lockFile, err := lock(lockPath)
if err != nil {
return nil, err
}
defer func() {
if err != nil {
// if we're reporting an error, also unlock
_ = lockFile.Close()
}
}()
kvpath := filepath.Join(dataDir, "chunks")
err = kvfiles.Create(kvpath)
if err != nil {
return nil, err
}
dbpath := filepath.Join(dataDir, "bazil.bolt")
database, err := db.Open(dbpath, 0600, nil)
if err != nil {
return nil, err
}
err = database.DB.Update(func(tx *bolt.Tx) error {
if _, err := tx.CreateBucketIfNotExists([]byte(tokens.BucketBazil)); err != nil {
return err
}
return nil
})
if err != nil {
database.Close()
return nil, err
}
keys, err := loadOrGenerateKeys(database.DB)
if err != nil {
return nil, err
}
app = &App{
DataDir: dataDir,
lockFile: lockFile,
DB: database,
Keys: keys,
}
app.volumes.Cond.L = &app.volumes.Mutex
app.volumes.open = make(map[db.VolumeID]*VolumeRef)
return app, nil
}
func NewTestDB(t testing.TB) *TestDB {
f, err := ioutil.TempFile("", "bazil-test-db-")
if err != nil {
t.Fatalf("cannot create temp file: %v", err)
}
path := f.Name()
f.Close()
db, err := db.Open(path, 0600, &bolt.Options{Timeout: 1 * time.Nanosecond})
if err != nil {
t.Fatalf("db open: %v", err)
}
return &TestDB{db}
}