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72 lines
2.2 KiB
Go
72 lines
2.2 KiB
Go
/*
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Copyright 2018 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package flexvolume
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import (
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"fmt"
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"strconv"
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"k8s.io/apimachinery/pkg/api/resource"
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"k8s.io/kubernetes/pkg/volume"
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)
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func (plugin *flexVolumePlugin) ExpandVolumeDevice(spec *volume.Spec, newSize resource.Quantity, oldSize resource.Quantity) (resource.Quantity, error) {
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call := plugin.NewDriverCall(expandVolumeCmd)
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call.AppendSpec(spec, plugin.host, nil)
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devicePath, err := plugin.getDeviceMountPath(spec)
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if err != nil {
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return newSize, err
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}
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call.Append(devicePath)
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call.Append(strconv.FormatInt(newSize.Value(), 10))
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call.Append(strconv.FormatInt(oldSize.Value(), 10))
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_, err = call.Run()
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if isCmdNotSupportedErr(err) {
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return newExpanderDefaults(plugin).ExpandVolumeDevice(spec, newSize, oldSize)
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}
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return newSize, err
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}
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func (plugin *flexVolumePlugin) NodeExpand(rsOpt volume.NodeResizeOptions) (bool, error) {
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// This method is called after we spec.PersistentVolume.Spec.Capacity
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// has been updated to the new size. The underlying driver thus sees
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// the _new_ (requested) size and can find out the _current_ size from
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// its underlying storage implementation
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if rsOpt.VolumeSpec.PersistentVolume == nil {
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return false, fmt.Errorf("PersistentVolume not found for spec: %s", rsOpt.VolumeSpec.Name())
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}
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call := plugin.NewDriverCall(expandFSCmd)
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call.AppendSpec(rsOpt.VolumeSpec, plugin.host, nil)
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call.Append(rsOpt.DevicePath)
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call.Append(rsOpt.DeviceMountPath)
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call.Append(strconv.FormatInt(rsOpt.NewSize.Value(), 10))
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call.Append(strconv.FormatInt(rsOpt.OldSize.Value(), 10))
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_, err := call.Run()
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if isCmdNotSupportedErr(err) {
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return newExpanderDefaults(plugin).NodeExpand(rsOpt)
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}
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if err != nil {
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return false, err
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}
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return true, nil
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}
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