portainer/api/datastore/migrate_data.go

147 lines
4.4 KiB
Go

package datastore
import (
"fmt"
"runtime/debug"
portainer "github.com/portainer/portainer/api"
"github.com/portainer/portainer/api/cli"
"github.com/portainer/portainer/api/database/models"
dserrors "github.com/portainer/portainer/api/dataservices/errors"
"github.com/portainer/portainer/api/datastore/migrator"
"github.com/portainer/portainer/api/internal/authorization"
"github.com/pkg/errors"
"github.com/rs/zerolog/log"
)
const beforePortainerVersionUpgradeBackup = "portainer.db.bak"
func (store *Store) MigrateData() error {
updating, err := store.VersionService.IsUpdating()
if err != nil {
return errors.Wrap(err, "while checking if the store is updating")
}
if updating {
return dserrors.ErrDatabaseIsUpdating
}
// migrate new version bucket if required (doesn't write anything to db yet)
version, err := store.getOrMigrateLegacyVersion()
if err != nil {
return errors.Wrap(err, "while migrating legacy version")
}
migratorParams := store.newMigratorParameters(version)
migrator := migrator.NewMigrator(migratorParams)
if !migrator.NeedsMigration() {
return nil
}
// before we alter anything in the DB, create a backup
backupPath, err := store.Backup(version)
if err != nil {
return errors.Wrap(err, "while backing up database")
}
err = store.FailSafeMigrate(migrator, version)
if err != nil {
err = errors.Wrap(err, "failed to migrate database")
log.Warn().Err(err).Msg("migration failed, restoring database to previous version")
restorErr := store.restoreWithOptions(&BackupOptions{BackupPath: backupPath})
if restorErr != nil {
return errors.Wrap(restorErr, "failed to restore database")
}
log.Info().Msg("database restored to previous version")
return err
}
return nil
}
func (store *Store) newMigratorParameters(version *models.Version) *migrator.MigratorParameters {
return &migrator.MigratorParameters{
CurrentDBVersion: version,
EndpointGroupService: store.EndpointGroupService,
EndpointService: store.EndpointService,
EndpointRelationService: store.EndpointRelationService,
ExtensionService: store.ExtensionService,
RegistryService: store.RegistryService,
ResourceControlService: store.ResourceControlService,
RoleService: store.RoleService,
ScheduleService: store.ScheduleService,
SettingsService: store.SettingsService,
SnapshotService: store.SnapshotService,
StackService: store.StackService,
TagService: store.TagService,
TeamMembershipService: store.TeamMembershipService,
UserService: store.UserService,
VersionService: store.VersionService,
FileService: store.fileService,
DockerhubService: store.DockerHubService,
AuthorizationService: authorization.NewService(store),
EdgeStackService: store.EdgeStackService,
EdgeJobService: store.EdgeJobService,
TunnelServerService: store.TunnelServerService,
}
}
// FailSafeMigrate backup and restore DB if migration fail
func (store *Store) FailSafeMigrate(migrator *migrator.Migrator, version *models.Version) (err error) {
defer func() {
if e := recover(); e != nil {
// return error with cause and stacktrace (recover() doesn't include a stacktrace)
err = fmt.Errorf("%v %s", e, string(debug.Stack()))
}
}()
err = store.VersionService.StoreIsUpdating(true)
if err != nil {
return errors.Wrap(err, "while updating the store")
}
// now update the version to the new struct (if required)
err = store.finishMigrateLegacyVersion(version)
if err != nil {
return errors.Wrap(err, "while updating version")
}
log.Info().Msg("migrating database from version " + version.SchemaVersion + " to " + portainer.APIVersion)
err = migrator.Migrate()
if err != nil {
return err
}
err = store.VersionService.StoreIsUpdating(false)
if err != nil {
return errors.Wrap(err, "failed to update the store")
}
return nil
}
// Rollback to a pre-upgrade backup copy/snapshot of portainer.db
func (store *Store) connectionRollback(force bool) error {
if !force {
confirmed, err := cli.Confirm("Are you sure you want to rollback your database to the previous backup?")
if err != nil || !confirmed {
return err
}
}
options := getBackupRestoreOptions(store.commonBackupDir())
err := store.restoreWithOptions(options)
if err != nil {
return err
}
return store.connection.Close()
}