wisski-cloud-distillery/internal/dis/component/sql/backup.go
2022-11-30 13:17:12 +01:00

31 lines
739 B
Go

package sql
import (
"context"
"errors"
"io"
"github.com/FAU-CDI/wisski-distillery/internal/dis/component"
"github.com/tkw1536/goprogram/stream"
)
var errSQLBackup = errors.New("SQLBackup: Mysqldump returned non-zero exit code")
func (*SQL) BackupName() string {
return "sql.sql"
}
// Backup makes a backup of all SQL databases into the path dest.
func (sql *SQL) Backup(scontext component.StagingContext) error {
return scontext.AddFile("", func(ctx context.Context, file io.Writer) error {
code, err := sql.Stack(sql.Environment).Exec(ctx, stream.NonInteractive(scontext.Progress()), "sql", "mysqldump", "--all-databases")
if err != nil {
return err
}
if code != 0 {
return errSQLBackup
}
return nil
})
}