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Move nil check for mapperPlugin earlier in reconstructVolume

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This commit is contained in:
Masaki Kimura 2019-08-01 20:36:21 +00:00
parent 2306d2ff31
commit c130b77a48
2 changed files with 19 additions and 22 deletions
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33
pkg/kubelet/volumemanager/reconciler/reconciler.go
View File

@ -470,6 +470,11 @@ func (rc *reconciler) reconstructVolume(volume podVolume) (*reconstructedVolume,
if err != nil {
return nil, err
}
// TODO: remove feature gate check after no longer needed
if utilfeature.DefaultFeatureGate.Enabled(features.BlockVolume) && volume.volumeMode == v1.PersistentVolumeBlock && mapperPlugin == nil {
return nil, fmt.Errorf("Could not find block volume plugin %q (spec.Name: %q) pod %q (UID: %q)", volume.pluginName, volume.volumeSpecName, volume.podName, pod.UID)
}
volumeSpec, err := rc.operationExecutor.ReconstructVolumeOperation(
volume.volumeMode,
plugin,
@ -501,22 +506,20 @@ func (rc *reconciler) reconstructVolume(volume podVolume) (*reconstructedVolume,
// TODO: remove feature gate check after no longer needed
if utilfeature.DefaultFeatureGate.Enabled(features.BlockVolume) && volume.volumeMode == v1.PersistentVolumeBlock {
var newMapperErr error
if mapperPlugin != nil {
volumeMapper, newMapperErr = mapperPlugin.NewBlockVolumeMapper(
volumeSpec,
pod,
volumepkg.VolumeOptions{})
if newMapperErr != nil {
return nil, fmt.Errorf(
"reconstructVolume.NewBlockVolumeMapper failed for volume %q (spec.Name: %q) pod %q (UID: %q) with: %v",
uniqueVolumeName,
volumeSpec.Name(),
volume.podName,
pod.UID,
newMapperErr)
}
checkPath, _ = volumeMapper.GetPodDeviceMapPath()
volumeMapper, newMapperErr = mapperPlugin.NewBlockVolumeMapper(
volumeSpec,
pod,
volumepkg.VolumeOptions{})
if newMapperErr != nil {
return nil, fmt.Errorf(
"reconstructVolume.NewBlockVolumeMapper failed for volume %q (spec.Name: %q) pod %q (UID: %q) with: %v",
uniqueVolumeName,
volumeSpec.Name(),
volume.podName,
pod.UID,
newMapperErr)
}
checkPath, _ = volumeMapper.GetPodDeviceMapPath()
} else {
var err error
volumeMounter, err = plugin.NewMounter(

8
pkg/volume/util/operationexecutor/operation_executor.go
View File

@ -899,13 +899,7 @@ func (oe *operationExecutor) ReconstructVolumeOperation(
// Block Volume case
// Create volumeSpec from mount path
klog.V(5).Infof("Starting operationExecutor.ReconstructVolume")
if mapperPlugin == nil {
return nil, fmt.Errorf("Could not find block volume plugin %q (spec.Name: %q) pod %q (UID: %q)",
pluginName,
volumeSpecName,
podName,
uid)
}
// volumePath contains volumeName on the path. In the case of block volume, {volumeName} is symbolic link
// corresponding to raw block device.
// ex. volumePath: pods/{podUid}}/{DefaultKubeletVolumeDevicesDirName}/{escapeQualifiedPluginName}/{volumeName}