3455f491ca
This commit adds and passes context around to (almost) every function. This allows cancelling (almost) every function call globally.
36 lines
1 KiB
Go
36 lines
1 KiB
Go
package sql
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import (
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"context"
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"io"
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"github.com/FAU-CDI/wisski-distillery/internal/dis/component"
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"github.com/FAU-CDI/wisski-distillery/internal/models"
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"github.com/tkw1536/goprogram/stream"
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)
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func (*SQL) SnapshotNeedsRunning() bool { return false }
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func (*SQL) SnapshotName() string { return "sql" }
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func (sql *SQL) Snapshot(wisski models.Instance, scontext component.StagingContext) error {
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return scontext.AddDirectory(".", func(ctx context.Context) error {
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return scontext.AddFile(wisski.SqlDatabase+".sql", func(ctx context.Context, file io.Writer) error {
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return sql.SnapshotDB(ctx, scontext.IO(), file, wisski.SqlDatabase)
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})
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})
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}
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// SnapshotDB makes a backup of the sql database into dest.
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func (sql *SQL) SnapshotDB(ctx context.Context, io stream.IOStream, dest io.Writer, database string) error {
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io = io.Streams(dest, nil, nil, 0).NonInteractive()
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code, err := sql.Stack(sql.Environment).Exec(ctx, io, "sql", "mysqldump", "--databases", database)
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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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