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Allow containers to continue even if mount failed after live restore

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This fix is a follow up to #29365. In #29365 a bug was fixed for
`docker exec -u user` after live restore by remounting.
However, #29365 will prevent containers from restored if mount failed.

In this fix, containers will be restored even if mount in that step failed.
Some functionalities might be missing (like `docker exec -u user`) but
at least it is possible to do certain operations like stop/restart/delete.

This fix is related to #29365.

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
(cherry picked from commit 3003ae1d8b)
This commit is contained in:
Yong Tang 2016-12-15 13:26:27 -08:00 committed by Lei Jitang
parent 43cc971d76
commit 25b967e149
1 changed files with 7 additions and 2 deletions
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9
daemon/daemon.go
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@ -148,8 +148,13 @@ func (daemon *Daemon) restore() error {
}
container.RWLayer = rwlayer
if err := daemon.Mount(container); err != nil {
logrus.Errorf("Failed to mount container %v: %v", id, err)
continue
// The mount is unlikely to fail. However, in case mount fails
// the container should be allowed to restore here. Some functionalities
// (like docker exec -u user) might be missing but container is able to be
// stopped/restarted/removed.
// See #29365 for related information.
// The error is only logged here.
logrus.Warnf("Failed to mount container %v: %v", id, err)
}
logrus.Debugf("Loaded container %v", container.ID)