wisski-cloud-distillery/internal/dis/component/sql/backup.go
Tom Wiesing 3455f491ca
Add context
This commit adds and passes context around to (almost) every function.
This allows cancelling (almost) every function call globally.
2022-11-29 15:32:31 +01:00

31 lines
726 B
Go

package sql
import (
"context"
"errors"
"io"
"github.com/FAU-CDI/wisski-distillery/internal/dis/component"
)
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 {
io := scontext.IO().Streams(file, nil, nil, 0).NonInteractive()
code, err := sql.Stack(sql.Environment).Exec(ctx, io, "sql", "mysqldump", "--all-databases")
if err != nil {
return err
}
if code != 0 {
return errSQLBackup
}
return nil
})
}