kubernetes noop_expandable_plugin 源码
kubernetes noop_expandable_plugin 代码
文件路径：/pkg/volume/noop_expandable_plugin.go
/*
Copyright 2018 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package volume
import (
v1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/resource"
"k8s.io/apimachinery/pkg/types"
)
type noopExpandableVolumePluginInstance struct {
spec *Spec
}
var _ ExpandableVolumePlugin = &noopExpandableVolumePluginInstance{}
func (n *noopExpandableVolumePluginInstance) ExpandVolumeDevice(spec *Spec, newSize resource.Quantity, oldSize resource.Quantity) (resource.Quantity, error) {
return newSize, nil
}
func (n *noopExpandableVolumePluginInstance) Init(host VolumeHost) error {
return nil
}
func (n *noopExpandableVolumePluginInstance) GetPluginName() string {
return n.spec.KubeletExpandablePluginName()
}
func (n *noopExpandableVolumePluginInstance) GetVolumeName(spec *Spec) (string, error) {
return n.spec.Name(), nil
}
func (n *noopExpandableVolumePluginInstance) CanSupport(spec *Spec) bool {
return true
}
func (n *noopExpandableVolumePluginInstance) RequiresRemount(spec *Spec) bool {
return false
}
func (n *noopExpandableVolumePluginInstance) NewMounter(spec *Spec, podRef *v1.Pod, opts VolumeOptions) (Mounter, error) {
return nil, nil
}
func (n *noopExpandableVolumePluginInstance) NewUnmounter(name string, podUID types.UID) (Unmounter, error) {
return nil, nil
}
func (n *noopExpandableVolumePluginInstance) ConstructVolumeSpec(volumeName, mountPath string) (*Spec, error) {
return n.spec, nil
}
func (n *noopExpandableVolumePluginInstance) SupportsMountOption() bool {
return true
}
func (n *noopExpandableVolumePluginInstance) SupportsBulkVolumeVerification() bool {
return false
}
func (n *noopExpandableVolumePluginInstance) RequiresFSResize() bool {
return true
}
func (n *noopExpandableVolumePluginInstance) SupportsSELinuxContextMount(spec *Spec) (bool, error) {
return false, nil
}
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