921 lines
25 KiB
Go
921 lines
25 KiB
Go
// Copyright (C) 2019 Storj Labs, Inc.
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// See LICENSE for copying information.
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package filestore_test
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import (
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"bytes"
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"context"
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"io"
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"io/ioutil"
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"math/rand"
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"os"
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"path/filepath"
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"sort"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"github.com/zeebo/errs"
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"go.uber.org/zap/zaptest"
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"storj.io/common/identity/testidentity"
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"storj.io/common/memory"
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"storj.io/common/testcontext"
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"storj.io/common/testrand"
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"storj.io/storj/storage"
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"storj.io/storj/storage/filestore"
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)
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const (
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namespaceSize = 32
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keySize = 32
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)
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func TestStoreLoad(t *testing.T) {
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const blobSize = 8 << 10
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const repeatCount = 16
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ctx := testcontext.New(t)
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defer ctx.Cleanup()
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store, err := filestore.NewAt(zaptest.NewLogger(t), ctx.Dir("store"), filestore.DefaultConfig)
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require.NoError(t, err)
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defer ctx.Check(store.Close)
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data := testrand.Bytes(blobSize)
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temp := make([]byte, len(data))
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refs := []storage.BlobRef{}
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namespace := testrand.Bytes(32)
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// store without size
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for i := 0; i < repeatCount; i++ {
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ref := storage.BlobRef{
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Namespace: namespace,
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Key: testrand.Bytes(32),
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}
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refs = append(refs, ref)
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writer, err := store.Create(ctx, ref, -1)
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require.NoError(t, err)
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n, err := writer.Write(data)
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require.NoError(t, err)
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require.Equal(t, n, len(data))
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require.NoError(t, writer.Commit(ctx))
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// after committing we should be able to call cancel without an error
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require.NoError(t, writer.Cancel(ctx))
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// two commits should fail
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require.Error(t, writer.Commit(ctx))
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}
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namespace = testrand.Bytes(32)
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// store with size
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for i := 0; i < repeatCount; i++ {
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ref := storage.BlobRef{
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Namespace: namespace,
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Key: testrand.Bytes(32),
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}
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refs = append(refs, ref)
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writer, err := store.Create(ctx, ref, int64(len(data)))
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require.NoError(t, err)
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n, err := writer.Write(data)
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require.NoError(t, err)
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require.Equal(t, n, len(data))
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require.NoError(t, writer.Commit(ctx))
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}
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namespace = testrand.Bytes(32)
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// store with larger size
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{
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ref := storage.BlobRef{
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Namespace: namespace,
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Key: testrand.Bytes(32),
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}
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refs = append(refs, ref)
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writer, err := store.Create(ctx, ref, int64(len(data)*2))
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require.NoError(t, err)
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n, err := writer.Write(data)
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require.NoError(t, err)
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require.Equal(t, n, len(data))
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require.NoError(t, writer.Commit(ctx))
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}
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namespace = testrand.Bytes(32)
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// store with error
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{
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ref := storage.BlobRef{
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Namespace: namespace,
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Key: testrand.Bytes(32),
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}
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writer, err := store.Create(ctx, ref, -1)
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require.NoError(t, err)
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n, err := writer.Write(data)
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require.NoError(t, err)
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require.Equal(t, n, len(data))
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require.NoError(t, writer.Cancel(ctx))
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// commit after cancel should return an error
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require.Error(t, writer.Commit(ctx))
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_, err = store.Open(ctx, ref)
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require.Error(t, err)
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}
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// try reading all the blobs
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for _, ref := range refs {
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reader, err := store.Open(ctx, ref)
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require.NoError(t, err)
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size, err := reader.Size()
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require.NoError(t, err)
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require.Equal(t, size, int64(len(data)))
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_, err = io.ReadFull(reader, temp)
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require.NoError(t, err)
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require.NoError(t, reader.Close())
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require.Equal(t, data, temp)
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}
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// delete the blobs
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for _, ref := range refs {
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err := store.Delete(ctx, ref)
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require.NoError(t, err)
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}
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// try reading all the blobs
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for _, ref := range refs {
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_, err := store.Open(ctx, ref)
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require.Error(t, err)
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}
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}
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func TestDeleteWhileReading(t *testing.T) {
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const blobSize = 8 << 10
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ctx := testcontext.New(t)
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defer ctx.Cleanup()
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store, err := filestore.NewAt(zaptest.NewLogger(t), ctx.Dir("store"), filestore.DefaultConfig)
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require.NoError(t, err)
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defer ctx.Check(store.Close)
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data := testrand.Bytes(blobSize)
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ref := storage.BlobRef{
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Namespace: []byte{0},
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Key: []byte{1},
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}
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writer, err := store.Create(ctx, ref, -1)
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require.NoError(t, err)
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_, err = writer.Write(data)
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require.NoError(t, err)
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// loading uncommitted file should fail
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_, err = store.Open(ctx, ref)
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require.Error(t, err, "loading uncommitted file should fail")
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// commit the file
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err = writer.Commit(ctx)
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require.NoError(t, err, "commit the file")
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// open a reader
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reader, err := store.Open(ctx, ref)
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require.NoError(t, err, "open a reader")
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// double close, just in case
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defer func() { _ = reader.Close() }()
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// delete while reading
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err = store.Delete(ctx, ref)
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require.NoError(t, err, "delete while reading")
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// opening deleted file should fail
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_, err = store.Open(ctx, ref)
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require.Error(t, err, "opening deleted file should fail")
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// read all content
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result, err := ioutil.ReadAll(reader)
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require.NoError(t, err, "read all content")
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// finally close reader
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err = reader.Close()
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require.NoError(t, err)
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// should be able to read the full content
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require.Equal(t, data, result)
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// collect trash
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gStore := store.(interface {
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GarbageCollect(ctx context.Context) error
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})
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_ = gStore.GarbageCollect(ctx)
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// flaky test, for checking whether files have been actually deleted from disk
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err = filepath.Walk(ctx.Dir("store"), func(path string, info os.FileInfo, _ error) error {
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if info.IsDir() {
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return nil
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}
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return errs.New("found file %q", path)
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})
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if err != nil {
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t.Fatal(err)
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}
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}
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func writeABlob(ctx context.Context, t testing.TB, store storage.Blobs, blobRef storage.BlobRef, data []byte, formatVersion storage.FormatVersion) {
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var (
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blobWriter storage.BlobWriter
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err error
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)
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switch formatVersion {
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case filestore.FormatV0:
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fStore, ok := store.(interface {
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TestCreateV0(ctx context.Context, ref storage.BlobRef) (_ storage.BlobWriter, err error)
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})
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require.Truef(t, ok, "can't make a WriterForFormatVersion with this blob store (%T)", store)
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blobWriter, err = fStore.TestCreateV0(ctx, blobRef)
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case filestore.FormatV1:
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blobWriter, err = store.Create(ctx, blobRef, int64(len(data)))
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default:
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t.Fatalf("please teach me how to make a V%d blob", formatVersion)
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}
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require.NoError(t, err)
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require.Equal(t, formatVersion, blobWriter.StorageFormatVersion())
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_, err = blobWriter.Write(data)
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require.NoError(t, err)
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size, err := blobWriter.Size()
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require.NoError(t, err)
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assert.Equal(t, int64(len(data)), size)
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err = blobWriter.Commit(ctx)
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require.NoError(t, err)
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}
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func verifyBlobHandle(t testing.TB, reader storage.BlobReader, expectDataLen int, expectFormat storage.FormatVersion) {
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assert.Equal(t, expectFormat, reader.StorageFormatVersion())
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size, err := reader.Size()
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require.NoError(t, err)
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assert.Equal(t, int64(expectDataLen), size)
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}
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func verifyBlobInfo(ctx context.Context, t testing.TB, blobInfo storage.BlobInfo, expectDataLen int, expectFormat storage.FormatVersion) {
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assert.Equal(t, expectFormat, blobInfo.StorageFormatVersion())
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stat, err := blobInfo.Stat(ctx)
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require.NoError(t, err)
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assert.Equal(t, int64(expectDataLen), stat.Size())
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}
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func tryOpeningABlob(ctx context.Context, t testing.TB, store storage.Blobs, blobRef storage.BlobRef, expectDataLen int, expectFormat storage.FormatVersion) {
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reader, err := store.Open(ctx, blobRef)
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require.NoError(t, err)
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verifyBlobHandle(t, reader, expectDataLen, expectFormat)
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require.NoError(t, reader.Close())
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blobInfo, err := store.Stat(ctx, blobRef)
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require.NoError(t, err)
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verifyBlobInfo(ctx, t, blobInfo, expectDataLen, expectFormat)
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blobInfo, err = store.StatWithStorageFormat(ctx, blobRef, expectFormat)
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require.NoError(t, err)
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verifyBlobInfo(ctx, t, blobInfo, expectDataLen, expectFormat)
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reader, err = store.OpenWithStorageFormat(ctx, blobInfo.BlobRef(), blobInfo.StorageFormatVersion())
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require.NoError(t, err)
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verifyBlobHandle(t, reader, expectDataLen, expectFormat)
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require.NoError(t, reader.Close())
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}
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func TestMultipleStorageFormatVersions(t *testing.T) {
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ctx := testcontext.New(t)
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defer ctx.Cleanup()
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store, err := filestore.NewAt(zaptest.NewLogger(t), ctx.Dir("store"), filestore.DefaultConfig)
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require.NoError(t, err)
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defer ctx.Check(store.Close)
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const blobSize = 1024
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var (
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data = testrand.Bytes(blobSize)
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namespace = testrand.Bytes(namespaceSize)
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v0BlobKey = testrand.Bytes(keySize)
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v1BlobKey = testrand.Bytes(keySize)
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v0Ref = storage.BlobRef{Namespace: namespace, Key: v0BlobKey}
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v1Ref = storage.BlobRef{Namespace: namespace, Key: v1BlobKey}
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)
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// write a V0 blob
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writeABlob(ctx, t, store, v0Ref, data, filestore.FormatV0)
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// write a V1 blob
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writeABlob(ctx, t, store, v1Ref, data, filestore.FormatV1)
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// look up the different blobs with Open and Stat and OpenWithStorageFormat
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tryOpeningABlob(ctx, t, store, v0Ref, len(data), filestore.FormatV0)
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tryOpeningABlob(ctx, t, store, v1Ref, len(data), filestore.FormatV1)
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// write a V1 blob with the same ID as the V0 blob (to simulate it being rewritten as
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// V1 during a migration), with different data so we can distinguish them
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differentData := make([]byte, len(data)+2)
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copy(differentData, data)
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copy(differentData[len(data):], "\xff\x00")
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writeABlob(ctx, t, store, v0Ref, differentData, filestore.FormatV1)
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// if we try to access the blob at that key, we should see only the V1 blob
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tryOpeningABlob(ctx, t, store, v0Ref, len(differentData), filestore.FormatV1)
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// unless we ask specifically for a V0 blob
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blobInfo, err := store.StatWithStorageFormat(ctx, v0Ref, filestore.FormatV0)
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require.NoError(t, err)
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verifyBlobInfo(ctx, t, blobInfo, len(data), filestore.FormatV0)
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reader, err := store.OpenWithStorageFormat(ctx, blobInfo.BlobRef(), blobInfo.StorageFormatVersion())
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require.NoError(t, err)
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verifyBlobHandle(t, reader, len(data), filestore.FormatV0)
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require.NoError(t, reader.Close())
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// delete the v0BlobKey; both the V0 and the V1 blobs should go away
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err = store.Delete(ctx, v0Ref)
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require.NoError(t, err)
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reader, err = store.Open(ctx, v0Ref)
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require.Error(t, err)
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assert.Nil(t, reader)
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}
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// Check that the SpaceUsedForBlobs and SpaceUsedForBlobsInNamespace methods on
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// filestore.blobStore work as expected.
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func TestStoreSpaceUsed(t *testing.T) {
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ctx := testcontext.New(t)
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defer ctx.Cleanup()
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store, err := filestore.NewAt(zaptest.NewLogger(t), ctx.Dir("store"), filestore.DefaultConfig)
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require.NoError(t, err)
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defer ctx.Check(store.Close)
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var (
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namespace = testrand.Bytes(namespaceSize)
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otherNamespace = testrand.Bytes(namespaceSize)
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sizesToStore = []memory.Size{4093, 0, 512, 1, memory.MB}
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)
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spaceUsed, err := store.SpaceUsedForBlobs(ctx)
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require.NoError(t, err)
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assert.Equal(t, int64(0), spaceUsed)
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spaceUsed, err = store.SpaceUsedForBlobsInNamespace(ctx, namespace)
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require.NoError(t, err)
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assert.Equal(t, int64(0), spaceUsed)
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spaceUsed, err = store.SpaceUsedForBlobsInNamespace(ctx, otherNamespace)
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require.NoError(t, err)
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assert.Equal(t, int64(0), spaceUsed)
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var totalSoFar memory.Size
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for _, size := range sizesToStore {
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contents := testrand.Bytes(size)
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blobRef := storage.BlobRef{Namespace: namespace, Key: testrand.Bytes(keySize)}
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blobWriter, err := store.Create(ctx, blobRef, int64(len(contents)))
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require.NoError(t, err)
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_, err = blobWriter.Write(contents)
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require.NoError(t, err)
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err = blobWriter.Commit(ctx)
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require.NoError(t, err)
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totalSoFar += size
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spaceUsed, err := store.SpaceUsedForBlobs(ctx)
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require.NoError(t, err)
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assert.Equal(t, int64(totalSoFar), spaceUsed)
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spaceUsed, err = store.SpaceUsedForBlobsInNamespace(ctx, namespace)
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require.NoError(t, err)
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assert.Equal(t, int64(totalSoFar), spaceUsed)
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spaceUsed, err = store.SpaceUsedForBlobsInNamespace(ctx, otherNamespace)
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require.NoError(t, err)
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assert.Equal(t, int64(0), spaceUsed)
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}
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}
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// Check that ListNamespaces and WalkNamespace work as expected.
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func TestStoreTraversals(t *testing.T) {
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ctx := testcontext.New(t)
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defer ctx.Cleanup()
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store, err := filestore.NewAt(zaptest.NewLogger(t), ctx.Dir("store"), filestore.DefaultConfig)
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require.NoError(t, err)
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defer ctx.Check(store.Close)
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// invent some namespaces and store stuff in them
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type namespaceWithBlobs struct {
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namespace []byte
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blobs []storage.BlobRef
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}
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const numNamespaces = 4
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recordsToInsert := make([]namespaceWithBlobs, numNamespaces)
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var namespaceBase = testrand.Bytes(namespaceSize)
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for i := range recordsToInsert {
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// give each namespace a similar ID but modified in the last byte to distinguish
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recordsToInsert[i].namespace = make([]byte, len(namespaceBase))
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copy(recordsToInsert[i].namespace, namespaceBase)
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recordsToInsert[i].namespace[len(namespaceBase)-1] = byte(i)
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// put varying numbers of blobs in the namespaces
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recordsToInsert[i].blobs = make([]storage.BlobRef, i+1)
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for j := range recordsToInsert[i].blobs {
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recordsToInsert[i].blobs[j] = storage.BlobRef{
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Namespace: recordsToInsert[i].namespace,
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Key: testrand.Bytes(keySize),
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}
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blobWriter, err := store.Create(ctx, recordsToInsert[i].blobs[j], 0)
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require.NoError(t, err)
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// also vary the sizes of the blobs so we can check Stat results
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_, err = blobWriter.Write(testrand.Bytes(memory.Size(j)))
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require.NoError(t, err)
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err = blobWriter.Commit(ctx)
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require.NoError(t, err)
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}
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}
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// test ListNamespaces
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gotNamespaces, err := store.ListNamespaces(ctx)
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require.NoError(t, err)
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sort.Slice(gotNamespaces, func(i, j int) bool {
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return bytes.Compare(gotNamespaces[i], gotNamespaces[j]) < 0
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})
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sort.Slice(recordsToInsert, func(i, j int) bool {
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return bytes.Compare(recordsToInsert[i].namespace, recordsToInsert[j].namespace) < 0
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})
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for i, expected := range recordsToInsert {
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require.Equalf(t, expected.namespace, gotNamespaces[i], "mismatch at index %d: recordsToInsert is %+v and gotNamespaces is %v", i, recordsToInsert, gotNamespaces)
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}
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// test WalkNamespace
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for _, expected := range recordsToInsert {
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// this isn't strictly necessary, since the function closure below is not persisted
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// past the end of a loop iteration, but this keeps the linter from complaining.
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expected := expected
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// keep track of which blobs we visit with WalkNamespace
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found := make([]bool, len(expected.blobs))
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err = store.WalkNamespace(ctx, expected.namespace, func(info storage.BlobInfo) error {
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gotBlobRef := info.BlobRef()
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assert.Equal(t, expected.namespace, gotBlobRef.Namespace)
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// find which blob this is in expected.blobs
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blobIdentified := -1
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for i, expectedBlobRef := range expected.blobs {
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if bytes.Equal(gotBlobRef.Key, expectedBlobRef.Key) {
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found[i] = true
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blobIdentified = i
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}
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}
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// make sure this is a blob we actually put in
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require.NotEqualf(t, -1, blobIdentified,
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"WalkNamespace gave BlobRef %v, but I don't remember storing that",
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gotBlobRef)
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// check BlobInfo sanity
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stat, err := info.Stat(ctx)
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require.NoError(t, err)
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nameFromStat := stat.Name()
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fullPath, err := info.FullPath(ctx)
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require.NoError(t, err)
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basePath := filepath.Base(fullPath)
|
|
assert.Equal(t, nameFromStat, basePath)
|
|
assert.Equal(t, int64(blobIdentified), stat.Size())
|
|
assert.False(t, stat.IsDir())
|
|
return nil
|
|
})
|
|
require.NoError(t, err)
|
|
|
|
// make sure all blobs were visited
|
|
for i := range found {
|
|
assert.True(t, found[i],
|
|
"WalkNamespace never yielded blob at index %d: %v",
|
|
i, expected.blobs[i])
|
|
}
|
|
}
|
|
|
|
// test WalkNamespace on a nonexistent namespace also
|
|
namespaceBase[len(namespaceBase)-1] = byte(numNamespaces)
|
|
err = store.WalkNamespace(ctx, namespaceBase, func(_ storage.BlobInfo) error {
|
|
t.Fatal("this should not have been called")
|
|
return nil
|
|
})
|
|
require.NoError(t, err)
|
|
|
|
// check that WalkNamespace stops iterating after an error return
|
|
iterations := 0
|
|
expectedErr := errs.New("an expected error")
|
|
err = store.WalkNamespace(ctx, recordsToInsert[numNamespaces-1].namespace, func(_ storage.BlobInfo) error {
|
|
iterations++
|
|
if iterations == 2 {
|
|
return expectedErr
|
|
}
|
|
return nil
|
|
})
|
|
assert.Error(t, err)
|
|
assert.Equal(t, err, expectedErr)
|
|
assert.Equal(t, 2, iterations)
|
|
}
|
|
|
|
func TestEmptyTrash(t *testing.T) {
|
|
ctx := testcontext.New(t)
|
|
defer ctx.Cleanup()
|
|
|
|
store, err := filestore.NewAt(zaptest.NewLogger(t), ctx.Dir("store"), filestore.DefaultConfig)
|
|
require.NoError(t, err)
|
|
defer ctx.Check(store.Close)
|
|
|
|
size := memory.KB
|
|
|
|
type testfile struct {
|
|
data []byte
|
|
formatVer storage.FormatVersion
|
|
}
|
|
type testref struct {
|
|
key []byte
|
|
files []testfile
|
|
}
|
|
type testnamespace struct {
|
|
namespace []byte
|
|
refs []testref
|
|
}
|
|
|
|
namespaces := []testnamespace{
|
|
{
|
|
namespace: testrand.Bytes(namespaceSize),
|
|
refs: []testref{
|
|
{
|
|
// Has v0 and v1
|
|
key: testrand.Bytes(keySize),
|
|
files: []testfile{
|
|
{
|
|
data: testrand.Bytes(size),
|
|
formatVer: filestore.FormatV0,
|
|
},
|
|
{
|
|
data: testrand.Bytes(size),
|
|
formatVer: filestore.FormatV1,
|
|
},
|
|
},
|
|
},
|
|
{
|
|
// Has v0 only
|
|
key: testrand.Bytes(keySize),
|
|
files: []testfile{
|
|
{
|
|
data: testrand.Bytes(size),
|
|
formatVer: filestore.FormatV0,
|
|
},
|
|
},
|
|
},
|
|
{
|
|
// Has v1 only
|
|
key: testrand.Bytes(keySize),
|
|
files: []testfile{
|
|
{
|
|
data: testrand.Bytes(size),
|
|
formatVer: filestore.FormatV0,
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
namespace: testrand.Bytes(namespaceSize),
|
|
refs: []testref{
|
|
{
|
|
// Has v1 only
|
|
key: testrand.Bytes(keySize),
|
|
files: []testfile{
|
|
{
|
|
data: testrand.Bytes(size),
|
|
formatVer: filestore.FormatV0,
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
for _, namespace := range namespaces {
|
|
for _, ref := range namespace.refs {
|
|
blobref := storage.BlobRef{
|
|
Namespace: namespace.namespace,
|
|
Key: ref.key,
|
|
}
|
|
|
|
for _, file := range ref.files {
|
|
var w storage.BlobWriter
|
|
if file.formatVer == filestore.FormatV0 {
|
|
fStore, ok := store.(interface {
|
|
TestCreateV0(ctx context.Context, ref storage.BlobRef) (_ storage.BlobWriter, err error)
|
|
})
|
|
require.Truef(t, ok, "can't make TestCreateV0 with this blob store (%T)", store)
|
|
w, err = fStore.TestCreateV0(ctx, blobref)
|
|
} else if file.formatVer == filestore.FormatV1 {
|
|
w, err = store.Create(ctx, blobref, int64(size))
|
|
}
|
|
require.NoError(t, err)
|
|
require.NotNil(t, w)
|
|
_, err = w.Write(file.data)
|
|
require.NoError(t, err)
|
|
|
|
require.NoError(t, w.Commit(ctx))
|
|
requireFileMatches(ctx, t, store, file.data, blobref, file.formatVer)
|
|
}
|
|
|
|
// Trash the ref
|
|
require.NoError(t, store.Trash(ctx, blobref))
|
|
}
|
|
}
|
|
|
|
// Restore the first namespace
|
|
var expectedFilesEmptied int64
|
|
for _, ref := range namespaces[0].refs {
|
|
for range ref.files {
|
|
expectedFilesEmptied++
|
|
}
|
|
}
|
|
emptiedBytes, keys, err := store.EmptyTrash(ctx, namespaces[0].namespace, time.Now().Add(time.Hour))
|
|
require.NoError(t, err)
|
|
assert.Equal(t, expectedFilesEmptied*int64(size), emptiedBytes)
|
|
assert.Equal(t, int(expectedFilesEmptied), len(keys))
|
|
}
|
|
|
|
func TestTrashAndRestore(t *testing.T) {
|
|
ctx := testcontext.New(t)
|
|
defer ctx.Cleanup()
|
|
|
|
store, err := filestore.NewAt(zaptest.NewLogger(t), ctx.Dir("store"), filestore.DefaultConfig)
|
|
require.NoError(t, err)
|
|
defer ctx.Check(store.Close)
|
|
|
|
size := memory.KB
|
|
|
|
type testfile struct {
|
|
data []byte
|
|
formatVer storage.FormatVersion
|
|
}
|
|
type testref struct {
|
|
key []byte
|
|
files []testfile
|
|
}
|
|
type testnamespace struct {
|
|
namespace []byte
|
|
refs []testref
|
|
}
|
|
|
|
namespaces := []testnamespace{
|
|
{
|
|
namespace: testrand.Bytes(namespaceSize),
|
|
refs: []testref{
|
|
{
|
|
// Has v0 and v1
|
|
key: testrand.Bytes(keySize),
|
|
files: []testfile{
|
|
{
|
|
data: testrand.Bytes(size),
|
|
formatVer: filestore.FormatV0,
|
|
},
|
|
{
|
|
data: testrand.Bytes(size),
|
|
formatVer: filestore.FormatV1,
|
|
},
|
|
},
|
|
},
|
|
{
|
|
// Has v0 only
|
|
key: testrand.Bytes(keySize),
|
|
files: []testfile{
|
|
{
|
|
data: testrand.Bytes(size),
|
|
formatVer: filestore.FormatV0,
|
|
},
|
|
},
|
|
},
|
|
{
|
|
// Has v1 only
|
|
key: testrand.Bytes(keySize),
|
|
files: []testfile{
|
|
{
|
|
data: testrand.Bytes(size),
|
|
formatVer: filestore.FormatV0,
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
namespace: testrand.Bytes(namespaceSize),
|
|
refs: []testref{
|
|
{
|
|
// Has v1 only
|
|
key: testrand.Bytes(keySize),
|
|
files: []testfile{
|
|
{
|
|
data: testrand.Bytes(size),
|
|
formatVer: filestore.FormatV0,
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
for _, namespace := range namespaces {
|
|
for _, ref := range namespace.refs {
|
|
blobref := storage.BlobRef{
|
|
Namespace: namespace.namespace,
|
|
Key: ref.key,
|
|
}
|
|
|
|
for _, file := range ref.files {
|
|
var w storage.BlobWriter
|
|
if file.formatVer == filestore.FormatV0 {
|
|
fStore, ok := store.(interface {
|
|
TestCreateV0(ctx context.Context, ref storage.BlobRef) (_ storage.BlobWriter, err error)
|
|
})
|
|
require.Truef(t, ok, "can't make TestCreateV0 with this blob store (%T)", store)
|
|
w, err = fStore.TestCreateV0(ctx, blobref)
|
|
} else if file.formatVer == filestore.FormatV1 {
|
|
w, err = store.Create(ctx, blobref, int64(size))
|
|
}
|
|
require.NoError(t, err)
|
|
require.NotNil(t, w)
|
|
_, err = w.Write(file.data)
|
|
require.NoError(t, err)
|
|
|
|
require.NoError(t, w.Commit(ctx))
|
|
requireFileMatches(ctx, t, store, file.data, blobref, file.formatVer)
|
|
}
|
|
|
|
// Trash the ref
|
|
require.NoError(t, store.Trash(ctx, blobref))
|
|
|
|
// Verify files are gone
|
|
for _, file := range ref.files {
|
|
_, err = store.OpenWithStorageFormat(ctx, blobref, file.formatVer)
|
|
require.Error(t, err)
|
|
require.True(t, os.IsNotExist(err))
|
|
}
|
|
}
|
|
}
|
|
|
|
// Restore the first namespace
|
|
var expKeysRestored [][]byte
|
|
for _, ref := range namespaces[0].refs {
|
|
for range ref.files {
|
|
expKeysRestored = append(expKeysRestored, ref.key)
|
|
}
|
|
}
|
|
sort.Slice(expKeysRestored, func(i int, j int) bool { return expKeysRestored[i][0] < expKeysRestored[j][0] })
|
|
restoredKeys, err := store.RestoreTrash(ctx, namespaces[0].namespace)
|
|
sort.Slice(restoredKeys, func(i int, j int) bool { return restoredKeys[i][0] < restoredKeys[j][0] })
|
|
require.NoError(t, err)
|
|
assert.Equal(t, expKeysRestored, restoredKeys)
|
|
|
|
// Verify pieces are back and look good for first namespace
|
|
for _, ref := range namespaces[0].refs {
|
|
blobref := storage.BlobRef{
|
|
Namespace: namespaces[0].namespace,
|
|
Key: ref.key,
|
|
}
|
|
for _, file := range ref.files {
|
|
requireFileMatches(ctx, t, store, file.data, blobref, file.formatVer)
|
|
}
|
|
}
|
|
|
|
// Verify pieces in second namespace are still missing (were not restored)
|
|
for _, ref := range namespaces[1].refs {
|
|
blobref := storage.BlobRef{
|
|
Namespace: namespaces[1].namespace,
|
|
Key: ref.key,
|
|
}
|
|
for _, file := range ref.files {
|
|
r, err := store.OpenWithStorageFormat(ctx, blobref, file.formatVer)
|
|
require.Error(t, err)
|
|
require.Nil(t, r)
|
|
}
|
|
}
|
|
}
|
|
|
|
func requireFileMatches(ctx context.Context, t *testing.T, store storage.Blobs, data []byte, ref storage.BlobRef, formatVer storage.FormatVersion) {
|
|
r, err := store.OpenWithStorageFormat(ctx, ref, formatVer)
|
|
require.NoError(t, err)
|
|
|
|
buf, err := ioutil.ReadAll(r)
|
|
require.NoError(t, err)
|
|
|
|
require.Equal(t, buf, data)
|
|
}
|
|
|
|
// TestBlobMemoryBuffer ensures that buffering doesn't have problems with
|
|
// small writes randomly seeked through the file.
|
|
func TestBlobMemoryBuffer(t *testing.T) {
|
|
ctx := testcontext.New(t)
|
|
defer ctx.Cleanup()
|
|
|
|
const size = 2048
|
|
|
|
store, err := filestore.NewAt(zaptest.NewLogger(t), ctx.Dir("store"), filestore.Config{
|
|
WriteBufferSize: 1 * memory.KiB,
|
|
})
|
|
require.NoError(t, err)
|
|
defer ctx.Check(store.Close)
|
|
|
|
ref := storage.BlobRef{
|
|
Namespace: testrand.Bytes(32),
|
|
Key: testrand.Bytes(32),
|
|
}
|
|
|
|
writer, err := store.Create(ctx, ref, size)
|
|
require.NoError(t, err)
|
|
|
|
for _, v := range rand.Perm(size) {
|
|
_, err := writer.Seek(int64(v), io.SeekStart)
|
|
require.NoError(t, err)
|
|
n, err := writer.Write([]byte{byte(v)})
|
|
require.NoError(t, err)
|
|
require.Equal(t, n, 1)
|
|
}
|
|
|
|
_, err = writer.Seek(size, io.SeekStart)
|
|
require.NoError(t, err)
|
|
|
|
require.NoError(t, writer.Commit(ctx))
|
|
|
|
reader, err := store.Open(ctx, ref)
|
|
require.NoError(t, err)
|
|
|
|
buf, err := ioutil.ReadAll(reader)
|
|
require.NoError(t, err)
|
|
|
|
for i := range buf {
|
|
require.Equal(t, byte(i), buf[i])
|
|
}
|
|
require.Equal(t, size, len(buf))
|
|
}
|
|
|
|
func TestStorageDirVerification(t *testing.T) {
|
|
ctx := testcontext.New(t)
|
|
defer ctx.Cleanup()
|
|
|
|
log := zaptest.NewLogger(t)
|
|
|
|
dir, err := filestore.NewDir(log, ctx.Dir("store"))
|
|
require.NoError(t, err)
|
|
|
|
ident0, err := testidentity.NewTestIdentity(ctx)
|
|
require.NoError(t, err)
|
|
|
|
ident1, err := testidentity.NewTestIdentity(ctx)
|
|
require.NoError(t, err)
|
|
|
|
store := filestore.New(log, dir, filestore.Config{
|
|
WriteBufferSize: 1 * memory.KiB,
|
|
})
|
|
|
|
// test nonexistent file returns error
|
|
require.Error(t, store.VerifyStorageDir(ident0.ID))
|
|
|
|
require.NoError(t, dir.CreateVerificationFile(ident0.ID))
|
|
|
|
// test correct ID returns no error
|
|
require.NoError(t, store.VerifyStorageDir(ident0.ID))
|
|
|
|
// test incorrect ID returns error
|
|
err = store.VerifyStorageDir(ident1.ID)
|
|
require.Contains(t, err.Error(), "does not match running node's ID")
|
|
|
|
// test invalid node ID returns error
|
|
f, err := os.Create(filepath.Join(dir.Path(), "storage-dir-verification"))
|
|
require.NoError(t, err)
|
|
defer func() {
|
|
require.NoError(t, f.Close())
|
|
}()
|
|
_, err = f.Write([]byte{0, 1, 2, 3})
|
|
require.NoError(t, err)
|
|
err = store.VerifyStorageDir(ident0.ID)
|
|
require.Contains(t, err.Error(), "content of file is not a valid node ID")
|
|
|
|
// test file overwrite returns no error
|
|
require.NoError(t, dir.CreateVerificationFile(ident0.ID))
|
|
require.NoError(t, store.VerifyStorageDir(ident0.ID))
|
|
}
|