generated from templates/go-generic
73 lines
1.3 KiB
Go
73 lines
1.3 KiB
Go
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package database
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import (
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"fmt"
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"os"
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"path/filepath"
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"time"
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bolt "go.etcd.io/bbolt"
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)
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const (
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usersBucket string = "users"
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)
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func New(path string) (*bolt.DB, error) {
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dir := filepath.Dir(path)
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if err := os.MkdirAll(dir, 0o700); err != nil {
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return nil, fmt.Errorf("unable to create directory %q: %w", dir, err)
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}
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opts := bolt.Options{
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Timeout: 1 * time.Second,
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}
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boltdb, err := bolt.Open(path, 0o600, &opts)
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if err != nil {
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return nil, fmt.Errorf(
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"unable to open the database at %q: %w",
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path,
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err,
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)
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}
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if err := ensureBuckets(boltdb); err != nil {
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return nil, fmt.Errorf(
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"unable to ensure that the required buckets are present in the database: %w",
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err,
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)
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}
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return boltdb, nil
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}
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func ensureBuckets(boltdb *bolt.DB) error {
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err := boltdb.Update(func(tx *bolt.Tx) error {
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for _, bucket := range getBuckets() {
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if _, err := tx.CreateBucketIfNotExists(bucket); err != nil {
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return fmt.Errorf(
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"unable to ensure the existence of the %q bucket: %w",
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string(bucket),
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err,
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)
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}
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}
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return nil
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})
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if err != nil {
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return fmt.Errorf(
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"error ensuring the existence of the buckets in the database: %w",
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err,
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)
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}
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return nil
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}
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func getBuckets() [][]byte {
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return [][]byte{[]byte(usersBucket)}
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}
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