132 lines
3.8 KiB
Go
132 lines
3.8 KiB
Go
/*
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Copyright the Velero contributors.
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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 clientmgmt
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import (
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"context"
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"github.com/pkg/errors"
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"github.com/vmware-tanzu/velero/pkg/plugin/clientmgmt/process"
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"github.com/vmware-tanzu/velero/pkg/plugin/framework"
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"github.com/vmware-tanzu/velero/pkg/plugin/velero"
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isv1 "github.com/vmware-tanzu/velero/pkg/plugin/velero/item_snapshotter/v1"
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)
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type restartableItemSnapshotter struct {
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key process.KindAndName
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sharedPluginProcess process.RestartableProcess
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}
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// NewRestartableItemSnapshotter returns a new restartableItemSnapshotter.
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func NewRestartableItemSnapshotter(name string, sharedPluginProcess process.RestartableProcess) *restartableItemSnapshotter {
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r := &restartableItemSnapshotter{
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key: process.KindAndName{Kind: framework.PluginKindItemSnapshotter, Name: name},
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sharedPluginProcess: sharedPluginProcess,
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}
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return r
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}
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// getItemSnapshotter returns the item snapshotter for this restartableItemSnapshotter. It does *not* restart the
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// plugin process.
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func (r *restartableItemSnapshotter) getItemSnapshotter() (isv1.ItemSnapshotter, error) {
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plugin, err := r.sharedPluginProcess.GetByKindAndName(r.key)
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if err != nil {
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return nil, err
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}
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itemSnapshotter, ok := plugin.(isv1.ItemSnapshotter)
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if !ok {
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return nil, errors.Errorf("%T is not an ItemSnapshotter!", plugin)
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}
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return itemSnapshotter, nil
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}
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// getDelegate restarts the plugin process (if needed) and returns the item snapshotter for this restartableItemSnapshotter.
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func (r *restartableItemSnapshotter) getDelegate() (isv1.ItemSnapshotter, error) {
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if err := r.sharedPluginProcess.ResetIfNeeded(); err != nil {
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return nil, err
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}
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return r.getItemSnapshotter()
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}
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func (r *restartableItemSnapshotter) Init(config map[string]string) error {
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delegate, err := r.getDelegate()
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if err != nil {
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return err
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}
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return delegate.Init(config)
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}
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// AppliesTo restarts the plugin's process if needed, then delegates the call.
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func (r *restartableItemSnapshotter) AppliesTo() (velero.ResourceSelector, error) {
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delegate, err := r.getDelegate()
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if err != nil {
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return velero.ResourceSelector{}, err
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}
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return delegate.AppliesTo()
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}
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func (r *restartableItemSnapshotter) AlsoHandles(input *isv1.AlsoHandlesInput) ([]velero.ResourceIdentifier, error) {
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delegate, err := r.getDelegate()
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if err != nil {
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return nil, err
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}
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return delegate.AlsoHandles(input)
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}
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func (r *restartableItemSnapshotter) SnapshotItem(ctx context.Context, input *isv1.SnapshotItemInput) (*isv1.SnapshotItemOutput, error) {
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delegate, err := r.getDelegate()
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if err != nil {
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return nil, err
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}
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return delegate.SnapshotItem(ctx, input)
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}
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func (r *restartableItemSnapshotter) Progress(input *isv1.ProgressInput) (*isv1.ProgressOutput, error) {
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delegate, err := r.getDelegate()
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if err != nil {
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return nil, err
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}
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return delegate.Progress(input)
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}
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func (r *restartableItemSnapshotter) DeleteSnapshot(ctx context.Context, input *isv1.DeleteSnapshotInput) error {
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delegate, err := r.getDelegate()
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if err != nil {
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return err
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}
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return delegate.DeleteSnapshot(ctx, input)
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}
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func (r *restartableItemSnapshotter) CreateItemFromSnapshot(ctx context.Context, input *isv1.CreateItemInput) (*isv1.CreateItemOutput, error) {
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delegate, err := r.getDelegate()
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if err != nil {
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return nil, err
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}
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return delegate.CreateItemFromSnapshot(ctx, input)
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}
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