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60 lines
2.0 KiB
Go
60 lines
2.0 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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"k8s.io/apimachinery/pkg/api/resource"
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"k8s.io/klog/v2"
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"k8s.io/kubernetes/pkg/volume"
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"k8s.io/kubernetes/pkg/volume/util"
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)
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type expanderDefaults struct {
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plugin *flexVolumePlugin
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}
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func newExpanderDefaults(plugin *flexVolumePlugin) *expanderDefaults {
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return &expanderDefaults{plugin}
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}
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func (e *expanderDefaults) ExpandVolumeDevice(spec *volume.Spec, newSize resource.Quantity, oldSize resource.Quantity) (resource.Quantity, error) {
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klog.Warning(logPrefix(e.plugin), "using default expand for volume ", spec.Name(), ", to size ", newSize, " from ", oldSize)
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return newSize, nil
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}
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// the defaults for NodeExpand return a generic resize indicator that will trigger the operation executor to go ahead with
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// generic filesystem resize
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func (e *expanderDefaults) NodeExpand(rsOpt volume.NodeResizeOptions) (bool, error) {
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klog.Warning(logPrefix(e.plugin), "using default filesystem resize for volume ", rsOpt.VolumeSpec.Name(), ", at ", rsOpt.DevicePath)
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fsVolume, err := util.CheckVolumeModeFilesystem(rsOpt.VolumeSpec)
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if err != nil {
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return false, fmt.Errorf("error checking VolumeMode: %v", err)
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}
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// if volume is not a fs file system, there is nothing for us to do here.
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if !fsVolume {
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return true, nil
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}
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_, err = util.GenericResizeFS(e.plugin.host, e.plugin.GetPluginName(), rsOpt.DevicePath, rsOpt.DeviceMountPath)
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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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