portainer/api/datastore/backup.go

78 lines
2.1 KiB
Go

package datastore
import (
"os"
"path"
"github.com/rs/zerolog/log"
)
func (store *Store) Backup() (string, error) {
if err := store.createBackupPath(); err != nil {
return "", err
}
backupFilename := store.backupFilename()
log.Info().Str("from", store.connection.GetDatabaseFilePath()).Str("to", backupFilename).Msgf("Backing up database")
err := store.fileService.Copy(store.connection.GetDatabaseFilePath(), backupFilename, true)
if err != nil {
log.Warn().Err(err).Msg("failed to create backup file")
return "", err
}
return backupFilename, nil
}
func (store *Store) Restore() error {
backupFilename := store.backupFilename()
return store.RestoreFromFile(backupFilename)
}
func (store *Store) RestoreFromFile(backupFilename string) error {
if exists, _ := store.fileService.FileExists(backupFilename); !exists {
log.Error().Str("backupFilename", backupFilename).Msg("backup file does not exist")
return os.ErrNotExist
}
if err := store.fileService.Copy(backupFilename, store.connection.GetDatabaseFilePath(), true); err != nil {
log.Error().Err(err).Msg("error while restoring backup.")
return err
}
log.Info().Str("from", store.connection.GetDatabaseFilePath()).Str("to", backupFilename).Msgf("database restored")
// determine the db version
store.Open()
version, err := store.VersionService.Version()
edition := "CE"
if version.Edition == 2 {
edition = "EE"
}
if err == nil {
log.Info().Str("version", version.SchemaVersion).Msgf("Restored database version: Portainer %s %s", edition, version.SchemaVersion)
}
return nil
}
func (store *Store) createBackupPath() error {
backupDir := path.Join(store.connection.GetStorePath(), "backups")
if exists, _ := store.fileService.FileExists(backupDir); !exists {
if err := os.MkdirAll(backupDir, 0700); err != nil {
log.Error().Err(err).Msg("error while creating backup folder")
return err
}
}
return nil
}
func (store *Store) backupFilename() string {
return path.Join(store.connection.GetStorePath(), "backups", store.connection.GetDatabaseFileName()+".bak")
}
func (store *Store) databasePath() string {
return store.connection.GetDatabaseFilePath()
}