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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>
This commit is contained in:
Sebastiaan van Stijn 2016-04-01 13:31:44 -07:00
parent 8eb8a1d6b8
commit b8f38747e6
1 changed files with 7 additions and 1 deletions
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8
daemon/graphdriver/devmapper/deviceset.go
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@ -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 {
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")
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
}