forked from mystiq/dex
65 lines
1.4 KiB
Go
65 lines
1.4 KiB
Go
package ent
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import (
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"context"
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"crypto/sha256"
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"strings"
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"entgo.io/ent/dialect/sql"
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// Register sqlite driver.
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_ "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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"github.com/dexidp/dex/storage/ent/client"
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"github.com/dexidp/dex/storage/ent/db"
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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 string `json:"file"`
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}
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// Open always returns a new in sqlite3 storage.
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func (s *SQLite3) Open(logger log.Logger) (storage.Storage, error) {
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logger.Debug("experimental ent-based storage driver is enabled")
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// Implicitly set foreign_keys pragma to "on" because it is required by ent
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s.File = addFK(s.File)
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drv, 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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pool := drv.DB()
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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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pool.SetMaxOpenConns(1)
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}
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databaseClient := client.NewDatabase(
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client.WithClient(db.NewClient(db.Driver(drv))),
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client.WithHasher(sha256.New),
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)
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if err := databaseClient.Schema().Create(context.TODO()); err != nil {
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return nil, err
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}
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return databaseClient, nil
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}
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func addFK(dsn string) string {
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if strings.Contains(dsn, "_fk") {
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return dsn
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}
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delim := "?"
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if strings.Contains(dsn, "?") {
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delim = "&"
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}
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return dsn + delim + "_fk=1"
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}
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