forked from mystiq/dex
71 lines
1.6 KiB
Go
71 lines
1.6 KiB
Go
package db
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
|
|
"github.com/go-gorp/gorp"
|
|
migrate "github.com/rubenv/sql-migrate"
|
|
|
|
"github.com/coreos/dex/db/migrations"
|
|
)
|
|
|
|
const (
|
|
migrationTable = "dex_migrations"
|
|
migrationDir = "db/migrations"
|
|
)
|
|
|
|
func init() {
|
|
migrate.SetTable(migrationTable)
|
|
}
|
|
|
|
func MigrateToLatest(dbMap *gorp.DbMap) (int, error) {
|
|
source, dialect, err := migrationSource(dbMap)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
return migrate.Exec(dbMap.Db, dialect, source, migrate.Up)
|
|
}
|
|
|
|
func MigrateMaxMigrations(dbMap *gorp.DbMap, max int) (int, error) {
|
|
source, dialect, err := migrationSource(dbMap)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
return migrate.ExecMax(dbMap.Db, dialect, source, migrate.Up, max)
|
|
}
|
|
|
|
func GetPlannedMigrations(dbMap *gorp.DbMap) ([]*migrate.PlannedMigration, error) {
|
|
source, dialect, err := migrationSource(dbMap)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
migrations, _, err := migrate.PlanMigration(dbMap.Db, dialect, source, migrate.Up, 0)
|
|
return migrations, err
|
|
}
|
|
|
|
func DropMigrationsTable(dbMap *gorp.DbMap) error {
|
|
qt := fmt.Sprintf("DROP TABLE IF EXISTS %s;", dbMap.Dialect.QuotedTableForQuery("", migrationTable))
|
|
_, err := dbMap.Exec(qt)
|
|
return err
|
|
}
|
|
|
|
func migrationSource(dbMap *gorp.DbMap) (src migrate.MigrationSource, dialect string, err error) {
|
|
switch dbMap.Dialect.(type) {
|
|
case gorp.PostgresDialect:
|
|
return migrations.PostgresMigrations, "postgres", nil
|
|
case gorp.SqliteDialect:
|
|
src = &migrate.MemoryMigrationSource{
|
|
Migrations: []*migrate.Migration{
|
|
{
|
|
Id: "dex.sql",
|
|
Up: []string{sqlite3Migration},
|
|
},
|
|
},
|
|
}
|
|
|
|
return src, "sqlite3", nil
|
|
default:
|
|
return nil, "", errors.New("unsupported migration driver")
|
|
}
|
|
}
|