35 lines
979 B
Go
35 lines
979 B
Go
package sql
|
|
|
|
import (
|
|
"io"
|
|
|
|
"github.com/FAU-CDI/wisski-distillery/internal/component"
|
|
"github.com/FAU-CDI/wisski-distillery/internal/models"
|
|
"github.com/tkw1536/goprogram/stream"
|
|
)
|
|
|
|
func (*SQL) SnapshotNeedsRunning() bool { return false }
|
|
|
|
func (*SQL) SnapshotName() string { return "sql" }
|
|
|
|
func (sql *SQL) Snapshot(wisski models.Instance, context component.StagingContext) error {
|
|
return context.AddDirectory(".", func() error {
|
|
return context.AddFile(wisski.SqlDatabase+".sql", func(file io.Writer) error {
|
|
return sql.SnapshotDB(context.IO(), file, wisski.SqlDatabase)
|
|
})
|
|
})
|
|
}
|
|
|
|
// SnapshotDB makes a backup of the sql database into dest.
|
|
func (sql *SQL) SnapshotDB(io stream.IOStream, dest io.Writer, database string) error {
|
|
io = io.Streams(dest, nil, nil, 0).NonInteractive()
|
|
|
|
code, err := sql.Stack(sql.Environment).Exec(io, "sql", "mysqldump", "--databases", database)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if code != 0 {
|
|
return errSQLBackup
|
|
}
|
|
return nil
|
|
}
|