106 lines
2.2 KiB
Go
106 lines
2.2 KiB
Go
/*
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Copyright 2020 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 test
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import (
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"archive/tar"
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"bytes"
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"compress/gzip"
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"encoding/json"
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"fmt"
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime"
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"github.com/vmware-tanzu/velero/pkg/util/encode"
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)
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type TarWriter struct {
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t *testing.T
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buf *bytes.Buffer
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gzw *gzip.Writer
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tw *tar.Writer
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}
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func NewTarWriter(t *testing.T) *TarWriter {
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tw := new(TarWriter)
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tw.t = t
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tw.buf = new(bytes.Buffer)
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tw.gzw = gzip.NewWriter(tw.buf)
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tw.tw = tar.NewWriter(tw.gzw)
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return tw
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}
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func (tw *TarWriter) AddItems(groupResource string, items ...metav1.Object) *TarWriter {
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tw.t.Helper()
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for _, obj := range items {
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var path string
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if obj.GetNamespace() == "" {
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path = fmt.Sprintf("resources/%s/cluster/%s.json", groupResource, obj.GetName())
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} else {
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path = fmt.Sprintf("resources/%s/namespaces/%s/%s.json", groupResource, obj.GetNamespace(), obj.GetName())
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}
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tw.Add(path, obj)
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}
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return tw
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}
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func (tw *TarWriter) Add(name string, obj interface{}) *TarWriter {
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tw.t.Helper()
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var data []byte
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var err error
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switch obj.(type) {
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case runtime.Object:
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data, err = encode.Encode(obj.(runtime.Object), "json")
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case []byte:
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data = obj.([]byte)
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default:
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data, err = json.Marshal(obj)
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}
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require.NoError(tw.t, err)
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require.NoError(tw.t, tw.tw.WriteHeader(&tar.Header{
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Name: name,
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Size: int64(len(data)),
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Typeflag: tar.TypeReg,
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Mode: 0755,
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ModTime: time.Now(),
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}))
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_, err = tw.tw.Write(data)
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require.NoError(tw.t, err)
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return tw
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}
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func (tw *TarWriter) Done() *bytes.Buffer {
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require.NoError(tw.t, tw.tw.Close())
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require.NoError(tw.t, tw.gzw.Close())
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return tw.buf
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}
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