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Don't call runc start when restoring a checkpoint (#302) 

The create/start split left checkpoint/restore broken in that the create
side was calling runc restore, which fully restores the process to
operation, leaving a call to `runc start` as an error (process already
started). This patch skips process.Start as it is an unnecessary (and
wrong) step for a restored checkpoint.

Signed-off-by: Phil Estes <estesp@linux.vnet.ibm.com>
This commit is contained in:
Phil Estes 2016-08-26 13:25:19 -04:00 committed by Michael Crosby
parent edc124c8e7
commit 8508d2bec9
1 changed files with 13 additions and 9 deletions
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22
supervisor/worker.go
View File

@ -72,16 +72,20 @@ func (w *worker) Start() {
w.s.SendTask(evt)
continue
}
if err := process.Start(); err != nil {
logrus.WithField("error", err).Error("containerd: start init process")
t.Err <- err
evt := &DeleteTask{
ID: t.Container.ID(),
NoEvent: true,
Process: process,
// only call process start if we aren't restoring from a checkpoint
// if we have restored from a checkpoint then the process is already started
if t.CheckpointPath == "" {
if err := process.Start(); err != nil {
logrus.WithField("error", err).Error("containerd: start init process")
t.Err <- err
evt := &DeleteTask{
ID: t.Container.ID(),
NoEvent: true,
Process: process,
}
w.s.SendTask(evt)
continue
}
w.s.SendTask(evt)
continue
}
ContainerStartTimer.UpdateSince(started)
t.Err <- nil