122 lines
3.5 KiB
Go
122 lines
3.5 KiB
Go
/*
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Copyright 2017, 2019 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 framework
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import (
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"encoding/json"
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"github.com/pkg/errors"
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"golang.org/x/net/context"
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"google.golang.org/grpc"
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"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/runtime/schema"
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api "github.com/vmware-tanzu/velero/pkg/apis/velero/v1"
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proto "github.com/vmware-tanzu/velero/pkg/plugin/generated"
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"github.com/vmware-tanzu/velero/pkg/plugin/velero"
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)
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// NewBackupItemActionPlugin constructs a BackupItemActionPlugin.
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func NewBackupItemActionPlugin(options ...PluginOption) *BackupItemActionPlugin {
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return &BackupItemActionPlugin{
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pluginBase: newPluginBase(options...),
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}
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}
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// BackupItemActionGRPCClient implements the backup/ItemAction interface and uses a
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// gRPC client to make calls to the plugin server.
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type BackupItemActionGRPCClient struct {
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*clientBase
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grpcClient proto.BackupItemActionClient
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}
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func newBackupItemActionGRPCClient(base *clientBase, clientConn *grpc.ClientConn) interface{} {
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return &BackupItemActionGRPCClient{
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clientBase: base,
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grpcClient: proto.NewBackupItemActionClient(clientConn),
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}
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}
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func (c *BackupItemActionGRPCClient) AppliesTo() (velero.ResourceSelector, error) {
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req := &proto.BackupItemActionAppliesToRequest{
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Plugin: c.plugin,
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}
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res, err := c.grpcClient.AppliesTo(context.Background(), req)
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if err != nil {
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return velero.ResourceSelector{}, fromGRPCError(err)
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}
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if res.ResourceSelector == nil {
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return velero.ResourceSelector{}, nil
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}
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return velero.ResourceSelector{
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IncludedNamespaces: res.ResourceSelector.IncludedNamespaces,
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ExcludedNamespaces: res.ResourceSelector.ExcludedNamespaces,
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IncludedResources: res.ResourceSelector.IncludedResources,
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ExcludedResources: res.ResourceSelector.ExcludedResources,
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LabelSelector: res.ResourceSelector.Selector,
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}, nil
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}
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func (c *BackupItemActionGRPCClient) Execute(item runtime.Unstructured, backup *api.Backup) (runtime.Unstructured, []velero.ResourceIdentifier, error) {
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itemJSON, err := json.Marshal(item.UnstructuredContent())
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if err != nil {
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return nil, nil, errors.WithStack(err)
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}
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backupJSON, err := json.Marshal(backup)
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if err != nil {
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return nil, nil, errors.WithStack(err)
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}
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req := &proto.ExecuteRequest{
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Plugin: c.plugin,
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Item: itemJSON,
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Backup: backupJSON,
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}
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res, err := c.grpcClient.Execute(context.Background(), req)
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if err != nil {
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return nil, nil, fromGRPCError(err)
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}
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var updatedItem unstructured.Unstructured
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if err := json.Unmarshal(res.Item, &updatedItem); err != nil {
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return nil, nil, errors.WithStack(err)
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}
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var additionalItems []velero.ResourceIdentifier
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for _, itm := range res.AdditionalItems {
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newItem := velero.ResourceIdentifier{
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GroupResource: schema.GroupResource{
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Group: itm.Group,
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Resource: itm.Resource,
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},
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Namespace: itm.Namespace,
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Name: itm.Name,
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}
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additionalItems = append(additionalItems, newItem)
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}
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return &updatedItem, additionalItems, nil
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}
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