35 lines
721 B
Go
35 lines
721 B
Go
package sql
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import (
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"errors"
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"os"
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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(io stream.IOStream, dest string) error {
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// open the file, TODO: Outsource this to context
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writer, err := os.Create(dest)
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if err != nil {
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return err
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}
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defer writer.Close()
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// run sqldump
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io = io.Streams(writer, nil, nil, 0).NonInteractive()
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code, err := sql.Stack().Exec(io, "sql", "mysqldump", "--all-databases")
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if err != nil {
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return err
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}
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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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