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Merge pull request #36995 from kolyshkin/aufs-err

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aufs: log why aufs is not supported
This commit is contained in:
Sebastiaan van Stijn 2018-05-21 10:00:39 +02:00 • committed by GitHub
commit b963b55a8a
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 8 additions and 12 deletions
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17
daemon/graphdriver/aufs/aufs.go
View file

@ -62,6 +62,8 @@ var (
enableDirpermLock sync.Once
enableDirperm bool
logger = logrus.WithField("storage-driver", "aufs")
)
func init() {
@ -84,9 +86,9 @@ type Driver struct {
// Init returns a new AUFS driver.
// An error is returned if AUFS is not supported.
func Init(root string, options []string, uidMaps, gidMaps []idtools.IDMap) (graphdriver.Driver, error) {
// Try to load the aufs kernel module
if err := supportsAufs(); err != nil {
logger.Error(err)
return nil, graphdriver.ErrNotSupported
}
@ -109,7 +111,7 @@ func Init(root string, options []string, uidMaps, gidMaps []idtools.IDMap) (grap
switch fsMagic {
case graphdriver.FsMagicAufs, graphdriver.FsMagicBtrfs, graphdriver.FsMagicEcryptfs:
logrus.WithField("storage-driver", "aufs").Errorf("AUFS is not supported over %s", backingFs)
logger.Errorf("AUFS is not supported over %s", backingFs)
return nil, graphdriver.ErrIncompatibleFS
}
@ -143,7 +145,6 @@ func Init(root string, options []string, uidMaps, gidMaps []idtools.IDMap) (grap
return nil, err
}
}
logger := logrus.WithField("storage-driver", "aufs")
for _, path := range []string{"mnt", "diff"} {
p := filepath.Join(root, path)
@ -306,10 +307,7 @@ func (a *Driver) Remove(id string) error {
mountpoint = a.getMountpoint(id)
}
logger := logrus.WithFields(logrus.Fields{
"storage-driver": "aufs",
"layer": id,
})
logger := logger.WithField("layer", id)
var retries int
for {
@ -439,7 +437,7 @@ func (a *Driver) Put(id string) error {
err := a.unmount(m)
if err != nil {
logrus.WithField("storage-driver", "aufs").Debugf("Failed to unmount %s aufs: %v", id, err)
logger.Debugf("Failed to unmount %s aufs: %v", id, err)
}
return err
}
@ -597,7 +595,7 @@ func (a *Driver) Cleanup() error {
for _, m := range dirs {
if err := a.unmount(m); err != nil {
logrus.WithField("storage-driver", "aufs").Debugf("error unmounting %s: %s", m, err)
logger.Debugf("error unmounting %s: %s", m, err)
}
}
return mountpk.RecursiveUnmount(a.root)
@ -652,7 +650,6 @@ func (a *Driver) aufsMount(ro []string, rw, target, mountLabel string) (err erro
// useDirperm checks dirperm1 mount option can be used with the current
// version of aufs.
func useDirperm() bool {
logger := logrus.WithField("storage-driver", "aufs")
enableDirpermLock.Do(func() {
base, err := ioutil.TempDir("", "docker-aufs-base")
if err != nil {

3
daemon/graphdriver/aufs/mount.go
View file

@ -5,14 +5,13 @@ package aufs // import "github.com/docker/docker/daemon/graphdriver/aufs"
import (
"os/exec"
"github.com/sirupsen/logrus"
"golang.org/x/sys/unix"
)
// Unmount the target specified.
func Unmount(target string) error {
if err := exec.Command("auplink", target, "flush").Run(); err != nil {
logrus.WithField("storage-driver", "aufs").Warnf("Couldn't run auplink before unmount %s: %s", target, err)
logger.WithError(err).Warnf("Couldn't run auplink before unmount %s", target)
}
return unix.Unmount(target, 0)
}