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