forgejo/routers/common/db.go
Jason Song 0a85537c79
Support disabling database auto migration ()
Gitea will migrate the database model version automatically, but it
should be able to be disabled and keep Gitea shutdown if the version is
not matched.
2022-12-07 09:58:31 -06:00

58 lines
1.9 KiB
Go

// Copyright 2021 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package common
import (
"context"
"fmt"
"time"
"code.gitea.io/gitea/models/db"
"code.gitea.io/gitea/models/migrations"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
"xorm.io/xorm"
)
// InitDBEngine In case of problems connecting to DB, retry connection. Eg, PGSQL in Docker Container on Synology
func InitDBEngine(ctx context.Context) (err error) {
log.Info("Beginning ORM engine initialization.")
for i := 0; i < setting.Database.DBConnectRetries; i++ {
select {
case <-ctx.Done():
return fmt.Errorf("Aborted due to shutdown:\nin retry ORM engine initialization")
default:
}
log.Info("ORM engine initialization attempt #%d/%d...", i+1, setting.Database.DBConnectRetries)
if err = db.InitEngineWithMigration(ctx, migrateWithSetting); err == nil {
break
} else if i == setting.Database.DBConnectRetries-1 {
return err
}
log.Error("ORM engine initialization attempt #%d/%d failed. Error: %v", i+1, setting.Database.DBConnectRetries, err)
log.Info("Backing off for %d seconds", int64(setting.Database.DBConnectBackoff/time.Second))
time.Sleep(setting.Database.DBConnectBackoff)
}
db.HasEngine = true
return nil
}
func migrateWithSetting(x *xorm.Engine) error {
if setting.Database.AutoMigration {
return migrations.Migrate(x)
}
if current, err := migrations.GetCurrentDBVersion(x); err != nil {
return err
} else if current < 0 {
// execute migrations when the database isn't initialized even if AutoMigration is false
return migrations.Migrate(x)
} else if expected := migrations.ExpectedVersion(); current != expected {
log.Fatal(`"database.AUTO_MIGRATION" is disabled, but current database version %d is not equal to the expected version %d.`+
`You can set "database.AUTO_MIGRATION" to true or migrate manually by running "gitea [--config /path/to/app.ini] migrate"`, current, expected)
}
return nil
}