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Merge pull request #11349 from cpuguy83/11132_better_error_message_on_graph_init

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Make errors from graphdriver friendlier
This commit is contained in:
Phil Estes 2015-03-12 23:26:35 -04:00
commit 88c706e442
3 changed files with 3 additions and 3 deletions
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2
daemon/daemon.go
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@ -876,7 +876,7 @@ func NewDaemonFromDirectory(config *Config, eng *engine.Engine) (*Daemon, error)
// Load storage driver
driver, err := graphdriver.New(config.Root, config.GraphOptions)
if err != nil {
return nil, err
return nil, fmt.Errorf("error intializing graphdriver: %v", err)
}
log.Debugf("Using graph driver %s", driver)

2
daemon/graphdriver/aufs/aufs.go
View file

@ -378,7 +378,7 @@ func (a *Driver) mount(id, mountLabel string) error {
}
if err := a.aufsMount(layers, rw, target, mountLabel); err != nil {
return err
return fmt.Errorf("error creating aufs mount to %s: %v", target, err)
}
return nil
}

2
daemon/graphdriver/overlay/overlay.go
View file

@ -301,7 +301,7 @@ func (d *Driver) Get(id string, mountLabel string) (string, error) {
opts := fmt.Sprintf("lowerdir=%s,upperdir=%s,workdir=%s", lowerDir, upperDir, workDir)
if err := syscall.Mount("overlay", mergedDir, "overlay", 0, label.FormatMountLabel(opts, mountLabel)); err != nil {
return "", err
return "", fmt.Errorf("error creating overlay mount to %s: %v", mergedDir, err)
}
mount.path = mergedDir
mount.mounted = true