95 lines
2.3 KiB
Go
95 lines
2.3 KiB
Go
package backup
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import (
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"context"
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"io"
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"os"
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"emperror.dev/errors"
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"github.com/mholt/archiver/v3"
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"github.com/pterodactyl/wings/remote"
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"github.com/pterodactyl/wings/server/filesystem"
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)
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type LocalBackup struct {
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Backup
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}
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var _ BackupInterface = (*LocalBackup)(nil)
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func NewLocal(client remote.Client, uuid string, ignore string) *LocalBackup {
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return &LocalBackup{
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Backup{
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client: client,
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Uuid: uuid,
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Ignore: ignore,
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adapter: LocalBackupAdapter,
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},
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}
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}
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// LocateLocal finds the backup for a server and returns the local path. This
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// will obviously only work if the backup was created as a local backup.
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func LocateLocal(client remote.Client, uuid string) (*LocalBackup, os.FileInfo, error) {
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b := NewLocal(client, uuid, "")
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st, err := os.Stat(b.Path())
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if err != nil {
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return nil, nil, err
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}
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if st.IsDir() {
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return nil, nil, errors.New("invalid archive, is directory")
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}
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return b, st, nil
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}
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// Remove removes a backup from the system.
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func (b *LocalBackup) Remove() error {
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return os.Remove(b.Path())
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}
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// WithLogContext attaches additional context to the log output for this backup.
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func (b *LocalBackup) WithLogContext(c map[string]interface{}) {
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b.logContext = c
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}
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// Generate generates a backup of the selected files and pushes it to the
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// defined location for this instance.
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func (b *LocalBackup) Generate(ctx context.Context, basePath, ignore string) (*ArchiveDetails, error) {
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a := &filesystem.Archive{
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BasePath: basePath,
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Ignore: ignore,
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}
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b.log().WithField("path", b.Path()).Info("creating backup for server")
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if err := a.Create(b.Path()); err != nil {
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return nil, err
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}
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b.log().Info("created backup successfully")
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ad, err := b.Details(ctx, nil)
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if err != nil {
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return nil, errors.WrapIf(err, "backup: failed to get archive details for local backup")
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}
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return ad, nil
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}
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// Restore will walk over the archive and call the callback function for each
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// file encountered.
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func (b *LocalBackup) Restore(ctx context.Context, _ io.Reader, callback RestoreCallback) error {
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return archiver.Walk(b.Path(), func(f archiver.File) error {
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select {
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case <-ctx.Done():
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// Stop walking if the context is canceled.
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return archiver.ErrStopWalk
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default:
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if f.IsDir() {
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return nil
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}
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return callback(filesystem.ExtractNameFromArchive(f), f, f.Mode(), f.ModTime(), f.ModTime())
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}
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})
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}
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