Improve udev unsupported error message

Show a different message if a dynamic binary
is running, but doesn't have udev sync support.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
(cherry picked from commit b8f38747e6)
This commit is contained in:
Sebastiaan van Stijn 2016-04-01 13:31:44 -07:00 committed by Tibor Vass
parent eeb30821ea
commit c17ee39d12

View file

@ -22,6 +22,7 @@ import (
"github.com/Sirupsen/logrus"
"github.com/docker/docker/daemon/graphdriver"
"github.com/docker/docker/dockerversion"
"github.com/docker/docker/pkg/devicemapper"
"github.com/docker/docker/pkg/idtools"
"github.com/docker/docker/pkg/loopback"
@ -1656,7 +1657,12 @@ func (devices *DeviceSet) initDevmapper(doInit bool) error {
// https://github.com/docker/docker/issues/4036
if supported := devicemapper.UdevSetSyncSupport(true); !supported {
if dockerversion.IAmStatic == "true" {
logrus.Errorf("devmapper: Udev sync is not supported. This will lead to data loss and unexpected behavior. Install a dynamic binary to use devicemapper or select a different storage driver. For more information, see https://docs.docker.com/engine/reference/commandline/daemon/#daemon-storage-driver-option")
} else {
logrus.Errorf("devmapper: Udev sync is not supported. This will lead to data loss and unexpected behavior. Install a more recent version of libdevmapper or select a different storage driver. For more information, see https://docs.docker.com/engine/reference/commandline/daemon/#daemon-storage-driver-option")
}
if !devices.overrideUdevSyncCheck {
return graphdriver.ErrNotSupported
}