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implement kubelet side online file system resize for volume

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This commit is contained in:
mlmhl
2018-04-28 14:59:55 +08:00
parent d02cf08e27
commit ca12c73323
13 changed files with 697 additions and 45 deletions
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13
pkg/volume/util/operationexecutor/operation_executor.go
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@@ -142,6 +142,8 @@ type OperationExecutor interface {
IsOperationPending(volumeName v1.UniqueVolumeName, podName volumetypes.UniquePodName) bool
// Expand Volume will grow size available to PVC
ExpandVolume(*expandcache.PVCWithResizeRequest, expandcache.VolumeResizeMap) error
// ExpandVolumeFSWithoutUnmounting will resize volume's file system to expected size without unmounting the volume.
ExpandVolumeFSWithoutUnmounting(volumeToMount VolumeToMount, actualStateOfWorld ActualStateOfWorldMounterUpdater) error
// ReconstructVolumeOperation construct a new volumeSpec and returns it created by plugin
ReconstructVolumeOperation(volumeMode v1.PersistentVolumeMode, plugin volume.VolumePlugin, mapperPlugin volume.BlockVolumePlugin, uid types.UID, podName volumetypes.UniquePodName, volumeSpecName string, mountPath string, pluginName string) (*volume.Spec, error)
// CheckVolumeExistenceOperation checks volume existence
@@ -173,6 +175,9 @@ type ActualStateOfWorldMounterUpdater interface {
// Marks the specified volume as having its global mount unmounted.
MarkDeviceAsUnmounted(volumeName v1.UniqueVolumeName) error
// Marks the specified volume's file system resize request is finished.
MarkVolumeAsResized(podName volumetypes.UniquePodName, volumeName v1.UniqueVolumeName) error
}
// ActualStateOfWorldAttacherUpdater defines a set of operations updating the
@@ -817,6 +822,14 @@ func (oe *operationExecutor) ExpandVolume(pvcWithResizeRequest *expandcache.PVCW
return oe.pendingOperations.Run(uniqueVolumeKey, "", generatedOperations)
}
func (oe *operationExecutor) ExpandVolumeFSWithoutUnmounting(volumeToMount VolumeToMount, actualStateOfWorld ActualStateOfWorldMounterUpdater) error {
generatedOperations, err := oe.operationGenerator.GenerateExpandVolumeFSWithoutUnmountingFunc(volumeToMount, actualStateOfWorld)
if err != nil {
return err
}
return oe.pendingOperations.Run(volumeToMount.VolumeName, "", generatedOperations)
}
func (oe *operationExecutor) VerifyControllerAttachedVolume(
volumeToMount VolumeToMount,
nodeName types.NodeName,