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Run post-restore hook in the background.

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After restorer.restoreDone() returns successfully, the sandbox has been started
and the application is running. The caller of restorer.restore() is the
"runsc restore" command. Do not hang the "restore" command even after the
sandbox has been restored.

Do the post-restore work in a separate goroutine. If it fails, log a warning
and kill the sandbox.

PiperOrigin-RevId: 674366811
This commit is contained in:
Ayush Ranjan
2024-09-13 11:26:05 -07:00
committed by gVisor bot
parent f366a27622
commit 6e6960c539
1 changed files with 12 additions and 8 deletions
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runsc/boot/restore.go
+12 -8
View File
@@ -315,15 +315,19 @@ func (r *restorer) restore(l *Loader) error {
r.pagesMetadata.Close()
}
if err := postRestoreImpl(l); err != nil {
return err
}
go func() {
if err := postRestoreImpl(l); err != nil {
log.Warningf("Killing the sandbox after post restore work failed: %w", err)
l.k.Kill(linux.WaitStatusTerminationSignal(linux.SIGKILL))
return
}
// Restore was successful, so increment the checkpoint count manually. The
// count was saved while the previous kernel was being saved and checkpoint
// success was unknown at that time. Now we know the checkpoint succeeded.
l.k.IncCheckpointCount()
log.Infof("Restore successful")
// Restore was successful, so increment the checkpoint count manually. The
// count was saved while the previous kernel was being saved and checkpoint
// success was unknown at that time. Now we know the checkpoint succeeded.
l.k.IncCheckpointCount()
log.Infof("Restore successful")
}()
return nil
}