func (c *linuxContainer) criuNotifications(resp *criurpc.CriuResp, process *Process, opts *CriuOpts, fds []string) error {
notify := resp.GetNotify()
if notify == nil {
return fmt.Errorf("invalid response: %s", resp.String())
}
switch {
case notify.GetScript() == "post-dump":
f, err := os.Create(filepath.Join(c.root, "checkpoint"))
if err != nil {
return err
}
f.Close()
case notify.GetScript() == "network-unlock":
if err := unlockNetwork(c.config); err != nil {
return err
}
case notify.GetScript() == "network-lock":
if err := lockNetwork(c.config); err != nil {
return err
}
case notify.GetScript() == "setup-namespaces":
if c.config.Hooks != nil {
s := configs.HookState{
Version: c.config.Version,
ID: c.id,
Pid: int(notify.GetPid()),
Root: c.config.Rootfs,
}
for i, hook := range c.config.Hooks.Prestart {
if err := hook.Run(s); err != nil {
return newSystemErrorWithCausef(err, "running prestart hook %d", i)
}
}
}
case notify.GetScript() == "post-restore":
pid := notify.GetPid()
r, err := newRestoredProcess(int(pid), fds)
if err != nil {
return err
}
process.ops = r
if err := c.state.transition(&restoredState{
imageDir: opts.ImagesDirectory,
c: c,
}); err != nil {
return err
}
// create a timestamp indicating when the restored checkpoint was started
c.created = time.Now().UTC()
if _, err := c.updateState(r); err != nil {
return err
}
if err := os.Remove(filepath.Join(c.root, "checkpoint")); err != nil {
if !os.IsNotExist(err) {
logrus.Error(err)
}
}
}
return nil
}
func (c *linuxContainer) criuNotifications(resp *criurpc.CriuResp, process *Process, opts *CriuOpts, fds []string) error {
notify := resp.GetNotify()
if notify == nil {
return fmt.Errorf("invalid response: %s", resp.String())
}
switch {
case notify.GetScript() == "post-dump":
if !opts.LeaveRunning {
f, err := os.Create(filepath.Join(c.root, "checkpoint"))
if err != nil {
return err
}
f.Close()
}
break
case notify.GetScript() == "network-unlock":
if err := unlockNetwork(c.config); err != nil {
return err
}
break
case notify.GetScript() == "network-lock":
if err := lockNetwork(c.config); err != nil {
return err
}
break
case notify.GetScript() == "post-restore":
pid := notify.GetPid()
r, err := newRestoredProcess(int(pid), fds)
if err != nil {
return err
}
// TODO: crosbymichael restore previous process information by saving the init process information in
// the container's state file or separate process state files.
if err := c.updateState(r); err != nil {
return err
}
process.ops = r
break
}
return nil
}
func (c *linuxContainer) criuNotifications(resp *criurpc.CriuResp, process *Process, opts *CriuOpts, fds []string) error {
notify := resp.GetNotify()
if notify == nil {
return fmt.Errorf("invalid response: %s", resp.String())
}
switch {
case notify.GetScript() == "post-dump":
f, err := os.Create(filepath.Join(c.root, "checkpoint"))
if err != nil {
return err
}
f.Close()
case notify.GetScript() == "network-unlock":
if err := unlockNetwork(c.config); err != nil {
return err
}
case notify.GetScript() == "network-lock":
if err := lockNetwork(c.config); err != nil {
return err
}
case notify.GetScript() == "post-restore":
pid := notify.GetPid()
r, err := newRestoredProcess(int(pid), fds)
if err != nil {
return err
}
process.ops = r
if err := c.state.transition(&restoredState{
imageDir: opts.ImagesDirectory,
c: c,
}); err != nil {
return err
}
if err := c.updateState(r); err != nil {
return err
}
if err := os.Remove(filepath.Join(c.root, "checkpoint")); err != nil {
if !os.IsNotExist(err) {
logrus.Error(err)
}
}
}
return nil
}