55 lines
1.1 KiB
Go
55 lines
1.1 KiB
Go
// +build cgo
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package sql
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import (
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"database/sql"
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"fmt"
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sqlite3 "github.com/mattn/go-sqlite3"
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"github.com/dexidp/dex/pkg/log"
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"github.com/dexidp/dex/storage"
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)
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// SQLite3 options for creating an SQL db.
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type SQLite3 struct {
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// File to
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File string `json:"file"`
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}
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// Open creates a new storage implementation backed by SQLite3
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func (s *SQLite3) Open(logger log.Logger) (storage.Storage, error) {
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conn, err := s.open(logger)
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if err != nil {
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return nil, err
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}
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return conn, nil
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}
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func (s *SQLite3) open(logger log.Logger) (*conn, error) {
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db, err := sql.Open("sqlite3", s.File)
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if err != nil {
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return nil, err
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}
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if s.File == ":memory:" {
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// sqlite3 uses file locks to coordinate concurrent access. In memory
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// doesn't support this, so limit the number of connections to 1.
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db.SetMaxOpenConns(1)
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}
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errCheck := func(err error) bool {
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sqlErr, ok := err.(sqlite3.Error)
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if !ok {
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return false
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}
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return sqlErr.ExtendedCode == sqlite3.ErrConstraintPrimaryKey
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}
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c := &conn{db, &flavorSQLite3, logger, errCheck}
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if _, err := c.migrate(); err != nil {
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return nil, fmt.Errorf("failed to perform migrations: %v", err)
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}
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return c, nil
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}
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