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Windows: Cleanup HCS on restore

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Signed-off-by: John Howard <jhoward@microsoft.com>

This ensures that any compute processes in HCS are cleanedup
during daemon restore. Note Windows cannot (currently) reconnect
to containers on restore.
This commit is contained in:
John Howard 2017-03-02 15:12:14 -08:00
parent 0b9fddb789
commit f59593cbd1
1 changed files with 15 additions and 1 deletions
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16
libcontainerd/client_windows.go
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@ -557,8 +557,22 @@ func (clnt *client) Stats(containerID string) (*Stats, error) {
// Restore is the handler for restoring a container
func (clnt *client) Restore(containerID string, _ StdioCallback, unusedOnWindows ...CreateOption) error {
// TODO Windows: Implement this. For now, just tell the backend the container exited.
logrus.Debugf("libcontainerd: Restore(%s)", containerID)
// TODO Windows: On RS1, a re-attach isn't possible.
// However, there is a scenario in which there is an issue.
// Consider a background container. The daemon dies unexpectedly.
// HCS will still have the compute service alive and running.
// For consistence, we call in to shoot it regardless if HCS knows about it
// We explicitly just log a warning if the terminate fails.
// Then we tell the backend the container exited.
if hc, err := hcsshim.OpenContainer(containerID); err == nil {
if err := hc.Terminate(); err != nil {
if !hcsshim.IsPending(err) {
logrus.Warnf("libcontainerd: failed to terminate %s on restore - %q", containerID, err)
}
}
}
return clnt.backend.StateChanged(containerID, StateInfo{
CommonStateInfo: CommonStateInfo{
State: StateExit,