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80ca120088
Each Put, List, Multipart operations heavily rely on making GetBucketInfo() call to verify if bucket exists or not on a regular basis. This has a large performance cost when there are tons of servers involved. We did optimize this part by vectorizing the bucket calls, however its not enough, beyond 100 nodes and this becomes fairly visible in terms of performance.
1218 lines
37 KiB
Go
1218 lines
37 KiB
Go
// Copyright (c) 2015-2021 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package cmd
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import (
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"bytes"
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"context"
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"crypto/md5"
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crand "crypto/rand"
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"errors"
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"fmt"
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"io"
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"os"
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"path/filepath"
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"runtime"
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"strconv"
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"testing"
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"github.com/dustin/go-humanize"
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"github.com/minio/minio/internal/config/storageclass"
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)
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func TestRepeatPutObjectPart(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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var objLayer ObjectLayer
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var disks []string
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var err error
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var opts ObjectOptions
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objLayer, disks, err = prepareErasure16(ctx)
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if err != nil {
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t.Fatal(err)
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}
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// cleaning up of temporary test directories
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defer objLayer.Shutdown(context.Background())
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defer removeRoots(disks)
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err = objLayer.MakeBucket(ctx, "bucket1", MakeBucketOptions{})
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if err != nil {
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t.Fatal(err)
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}
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res, err := objLayer.NewMultipartUpload(ctx, "bucket1", "mpartObj1", opts)
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if err != nil {
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t.Fatal(err)
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}
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fiveMBBytes := bytes.Repeat([]byte("a"), 5*humanize.MiByte)
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md5Hex := getMD5Hash(fiveMBBytes)
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_, err = objLayer.PutObjectPart(ctx, "bucket1", "mpartObj1", res.UploadID, 1, mustGetPutObjReader(t, bytes.NewReader(fiveMBBytes), 5*humanize.MiByte, md5Hex, ""), opts)
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if err != nil {
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t.Fatal(err)
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}
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// PutObjectPart should succeed even if part already exists. ref: https://github.com/minio/minio/issues/1930
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_, err = objLayer.PutObjectPart(ctx, "bucket1", "mpartObj1", res.UploadID, 1, mustGetPutObjReader(t, bytes.NewReader(fiveMBBytes), 5*humanize.MiByte, md5Hex, ""), opts)
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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 TestErasureDeleteObjectBasic(t *testing.T) {
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testCases := []struct {
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bucket string
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object string
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expectedErr error
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}{
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{".test", "dir/obj", BucketNameInvalid{Bucket: ".test"}},
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{"----", "dir/obj", BucketNameInvalid{Bucket: "----"}},
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{"bucket", "", ObjectNameInvalid{Bucket: "bucket", Object: ""}},
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{"bucket", "doesnotexist", ObjectNotFound{Bucket: "bucket", Object: "doesnotexist"}},
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{"bucket", "dir/doesnotexist", ObjectNotFound{Bucket: "bucket", Object: "dir/doesnotexist"}},
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{"bucket", "dir", ObjectNotFound{Bucket: "bucket", Object: "dir"}},
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{"bucket", "dir/", ObjectNotFound{Bucket: "bucket", Object: "dir/"}},
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{"bucket", "dir/obj", nil},
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}
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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// Create an instance of xl backend
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xl, fsDirs, err := prepareErasure16(ctx)
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if err != nil {
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t.Fatal(err)
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}
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defer xl.Shutdown(context.Background())
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err = xl.MakeBucket(ctx, "bucket", MakeBucketOptions{})
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if err != nil {
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t.Fatal(err)
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}
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// Create object "dir/obj" under bucket "bucket" for Test 7 to pass
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_, err = xl.PutObject(ctx, "bucket", "dir/obj", mustGetPutObjReader(t, bytes.NewReader([]byte("abcd")), int64(len("abcd")), "", ""), ObjectOptions{})
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if err != nil {
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t.Fatalf("Erasure Object upload failed: <ERROR> %s", err)
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}
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for _, test := range testCases {
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test := test
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t.Run("", func(t *testing.T) {
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_, err := xl.GetObjectInfo(ctx, "bucket", "dir/obj", ObjectOptions{})
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if err != nil {
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t.Fatal("dir/obj not found before last test")
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}
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_, actualErr := xl.DeleteObject(ctx, test.bucket, test.object, ObjectOptions{})
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if test.expectedErr != nil && actualErr != test.expectedErr {
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t.Errorf("Expected to fail with %s, but failed with %s", test.expectedErr, actualErr)
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}
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if test.expectedErr == nil && actualErr != nil {
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t.Errorf("Expected to pass, but failed with %s", actualErr)
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}
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})
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}
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// Cleanup backend directories
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removeRoots(fsDirs)
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}
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func TestDeleteObjectsVersioned(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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obj, fsDirs, err := prepareErasure(ctx, 16)
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if err != nil {
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t.Fatal("Unable to initialize 'Erasure' object layer.", err)
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}
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// Remove all dirs.
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for _, dir := range fsDirs {
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defer os.RemoveAll(dir)
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}
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type testCaseType struct {
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bucket string
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object string
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}
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bucketName := "bucket"
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testCases := []testCaseType{
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{bucketName, "dir/obj1"},
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{bucketName, "dir/obj1"},
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}
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err = obj.MakeBucket(ctx, bucketName, MakeBucketOptions{
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VersioningEnabled: true,
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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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names := make([]ObjectToDelete, len(testCases))
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for i, testCase := range testCases {
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objInfo, err := obj.PutObject(ctx, testCase.bucket, testCase.object,
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mustGetPutObjReader(t, bytes.NewReader([]byte("abcd")), int64(len("abcd")), "", ""), ObjectOptions{
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Versioned: true,
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})
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if err != nil {
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t.Fatalf("Erasure Object upload failed: <ERROR> %s", err)
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}
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names[i] = ObjectToDelete{
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ObjectV: ObjectV{
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ObjectName: objInfo.Name,
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VersionID: objInfo.VersionID,
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},
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}
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}
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names = append(names, ObjectToDelete{
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ObjectV: ObjectV{
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ObjectName: "dir/obj1",
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VersionID: mustGetUUID(), // add a non-existent UUID.
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},
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})
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_, delErrs := obj.DeleteObjects(ctx, bucketName, names, ObjectOptions{
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Versioned: true,
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})
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for i := range delErrs {
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if delErrs[i] != nil {
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t.Errorf("Failed to remove object `%v` with the error: `%v`", names[i], delErrs[i])
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}
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}
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for i, test := range testCases {
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_, statErr := obj.GetObjectInfo(ctx, test.bucket, test.object, ObjectOptions{
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VersionID: names[i].ObjectV.VersionID,
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})
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switch statErr.(type) {
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case VersionNotFound:
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default:
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t.Fatalf("Object %s is not removed", test.bucket+SlashSeparator+test.object)
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}
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}
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if _, err = os.ReadFile(pathJoin(fsDirs[0], bucketName, "dir/obj1", "xl.meta")); err == nil {
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t.Fatalf("xl.meta still present after removal")
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}
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}
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func TestErasureDeleteObjectsErasureSet(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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obj, fsDirs, err := prepareErasureSets32(ctx)
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if err != nil {
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t.Fatal("Unable to initialize 'Erasure' object layer.", err)
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}
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setObjectLayer(obj)
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initConfigSubsystem(ctx, obj)
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// Remove all dirs.
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for _, dir := range fsDirs {
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defer os.RemoveAll(dir)
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}
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type testCaseType struct {
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bucket string
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object string
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}
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bucketName := "bucket"
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testCases := []testCaseType{
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{bucketName, "dir/obj1"},
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{bucketName, "dir/obj2"},
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{bucketName, "obj3"},
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{bucketName, "obj_4"},
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}
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if err = obj.MakeBucket(ctx, bucketName, MakeBucketOptions{}); err != nil {
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t.Fatal(err)
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}
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for _, testCase := range testCases {
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_, err = obj.PutObject(ctx, testCase.bucket, testCase.object,
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mustGetPutObjReader(t, bytes.NewReader([]byte("abcd")), int64(len("abcd")), "", ""), ObjectOptions{})
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if err != nil {
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t.Fatalf("Erasure Object upload failed: <ERROR> %s", err)
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}
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}
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toObjectNames := func(testCases []testCaseType) []ObjectToDelete {
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names := make([]ObjectToDelete, len(testCases))
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for i := range testCases {
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names[i] = ObjectToDelete{
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ObjectV: ObjectV{
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ObjectName: testCases[i].object,
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},
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}
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}
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return names
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}
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objectNames := toObjectNames(testCases)
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_, delErrs := obj.DeleteObjects(ctx, bucketName, objectNames, ObjectOptions{})
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for i := range delErrs {
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if delErrs[i] != nil {
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t.Errorf("Failed to remove object `%v` with the error: `%v`", objectNames[i], delErrs[i])
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}
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}
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for _, test := range testCases {
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_, statErr := obj.GetObjectInfo(ctx, test.bucket, test.object, ObjectOptions{})
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switch statErr.(type) {
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case ObjectNotFound:
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default:
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t.Fatalf("Object %s is not removed", test.bucket+SlashSeparator+test.object)
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}
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}
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}
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func TestErasureDeleteObjectDiskNotFound(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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// Create an instance of xl backend.
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obj, fsDirs, err := prepareErasure16(ctx)
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if err != nil {
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t.Fatal(err)
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}
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// Cleanup backend directories
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defer obj.Shutdown(context.Background())
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defer removeRoots(fsDirs)
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z := obj.(*erasureServerPools)
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xl := z.serverPools[0].sets[0]
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// Create "bucket"
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err = obj.MakeBucket(ctx, "bucket", MakeBucketOptions{})
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if err != nil {
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t.Fatal(err)
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}
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bucket := "bucket"
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object := "object"
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opts := ObjectOptions{}
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// Create object "obj" under bucket "bucket".
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_, err = obj.PutObject(ctx, bucket, object, mustGetPutObjReader(t, bytes.NewReader([]byte("abcd")), int64(len("abcd")), "", ""), opts)
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if err != nil {
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t.Fatal(err)
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}
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erasureDisks := xl.getDisks()
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z.serverPools[0].erasureDisksMu.Lock()
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xl.getDisks = func() []StorageAPI {
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for i := range erasureDisks[:6] {
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erasureDisks[i] = newNaughtyDisk(erasureDisks[i], nil, errFaultyDisk)
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}
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return erasureDisks
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}
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z.serverPools[0].erasureDisksMu.Unlock()
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_, err = obj.DeleteObject(ctx, bucket, object, ObjectOptions{})
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if !errors.Is(err, errErasureWriteQuorum) {
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t.Fatal(err)
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}
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// Create "obj" under "bucket".
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_, err = obj.PutObject(ctx, bucket, object, mustGetPutObjReader(t, bytes.NewReader([]byte("abcd")), int64(len("abcd")), "", ""), opts)
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if err != nil {
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t.Fatal(err)
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}
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// Remove one more disk to 'lose' quorum, by taking 2 more drives offline.
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erasureDisks = xl.getDisks()
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z.serverPools[0].erasureDisksMu.Lock()
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xl.getDisks = func() []StorageAPI {
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erasureDisks[7] = nil
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erasureDisks[8] = nil
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return erasureDisks
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}
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z.serverPools[0].erasureDisksMu.Unlock()
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_, err = obj.DeleteObject(ctx, bucket, object, ObjectOptions{})
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// since majority of disks are not available, metaquorum is not achieved and hence errErasureWriteQuorum error
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if !errors.Is(err, errErasureWriteQuorum) {
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t.Errorf("Expected deleteObject to fail with %v, but failed with %v", toObjectErr(errErasureWriteQuorum, bucket, object), err)
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}
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}
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func TestErasureDeleteObjectDiskNotFoundErasure4(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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// Create an instance of xl backend.
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obj, fsDirs, err := prepareErasure16(ctx)
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if err != nil {
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t.Fatal(err)
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}
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// Cleanup backend directories
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defer obj.Shutdown(context.Background())
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defer removeRoots(fsDirs)
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z := obj.(*erasureServerPools)
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xl := z.serverPools[0].sets[0]
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// Create "bucket"
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err = obj.MakeBucket(ctx, "bucket", MakeBucketOptions{})
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if err != nil {
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t.Fatal(err)
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}
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bucket := "bucket"
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object := "object"
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opts := ObjectOptions{}
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// Create object "obj" under bucket "bucket".
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_, err = obj.PutObject(ctx, bucket, object, mustGetPutObjReader(t, bytes.NewReader([]byte("abcd")), int64(len("abcd")), "", ""), opts)
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if err != nil {
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t.Fatal(err)
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}
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// Upload a good object
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_, err = obj.DeleteObject(ctx, bucket, object, ObjectOptions{})
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if err != nil {
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t.Fatal(err)
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}
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// Create "obj" under "bucket".
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_, err = obj.PutObject(ctx, bucket, object, mustGetPutObjReader(t, bytes.NewReader([]byte("abcd")), int64(len("abcd")), "", ""), opts)
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if err != nil {
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t.Fatal(err)
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}
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// Remove disks to 'lose' quorum for object, by setting 5 to nil.
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erasureDisks := xl.getDisks()
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z.serverPools[0].erasureDisksMu.Lock()
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xl.getDisks = func() []StorageAPI {
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for i := range erasureDisks[:5] {
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erasureDisks[i] = newNaughtyDisk(erasureDisks[i], nil, errFaultyDisk)
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}
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return erasureDisks
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}
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z.serverPools[0].erasureDisksMu.Unlock()
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_, err = obj.DeleteObject(ctx, bucket, object, ObjectOptions{})
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// since majority of disks are not available, metaquorum is not achieved and hence errErasureWriteQuorum error
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if !errors.Is(err, errErasureWriteQuorum) {
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t.Errorf("Expected deleteObject to fail with %v, but failed with %v", toObjectErr(errErasureWriteQuorum, bucket, object), err)
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}
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}
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func TestErasureDeleteObjectDiskNotFoundErr(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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// Create an instance of xl backend.
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obj, fsDirs, err := prepareErasure16(ctx)
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if err != nil {
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t.Fatal(err)
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}
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// Cleanup backend directories
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defer obj.Shutdown(context.Background())
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defer removeRoots(fsDirs)
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z := obj.(*erasureServerPools)
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xl := z.serverPools[0].sets[0]
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// Create "bucket"
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err = obj.MakeBucket(ctx, "bucket", MakeBucketOptions{})
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if err != nil {
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t.Fatal(err)
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}
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bucket := "bucket"
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object := "object"
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opts := ObjectOptions{}
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// Create object "obj" under bucket "bucket".
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_, err = obj.PutObject(ctx, bucket, object, mustGetPutObjReader(t, bytes.NewReader([]byte("abcd")), int64(len("abcd")), "", ""), opts)
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if err != nil {
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t.Fatal(err)
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}
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// for a 16 disk setup, EC is 4, but will be upgraded up to 8.
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// Remove 4 disks.
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erasureDisks := xl.getDisks()
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z.serverPools[0].erasureDisksMu.Lock()
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xl.getDisks = func() []StorageAPI {
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for i := range erasureDisks[:4] {
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erasureDisks[i] = newNaughtyDisk(erasureDisks[i], nil, errFaultyDisk)
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}
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return erasureDisks
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}
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z.serverPools[0].erasureDisksMu.Unlock()
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_, err = obj.DeleteObject(ctx, bucket, object, ObjectOptions{})
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if err != nil {
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t.Fatal(err)
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}
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// Create "obj" under "bucket".
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_, err = obj.PutObject(ctx, bucket, object, mustGetPutObjReader(t, bytes.NewReader([]byte("abcd")), int64(len("abcd")), "", ""), opts)
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if err != nil {
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t.Fatal(err)
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}
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// Object was uploaded with 4 known bad drives, so we should still be able to lose 3 drives and still write to the object.
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erasureDisks = xl.getDisks()
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z.serverPools[0].erasureDisksMu.Lock()
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xl.getDisks = func() []StorageAPI {
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erasureDisks[7] = nil
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erasureDisks[8] = nil
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erasureDisks[9] = nil
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return erasureDisks
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}
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z.serverPools[0].erasureDisksMu.Unlock()
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_, err = obj.DeleteObject(ctx, bucket, object, ObjectOptions{})
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// since majority of disks are available, metaquorum achieved.
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if err != nil {
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t.Errorf("Expected deleteObject to not fail, but failed with %v", err)
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}
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}
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|
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func TestGetObjectNoQuorum(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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|
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// Create an instance of xl backend.
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obj, fsDirs, err := prepareErasure16(ctx)
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if err != nil {
|
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t.Fatal(err)
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}
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// Cleanup backend directories.
|
|
defer obj.Shutdown(context.Background())
|
|
defer removeRoots(fsDirs)
|
|
|
|
z := obj.(*erasureServerPools)
|
|
xl := z.serverPools[0].sets[0]
|
|
|
|
// Create "bucket"
|
|
err = obj.MakeBucket(ctx, "bucket", MakeBucketOptions{})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
bucket := "bucket"
|
|
object := "object"
|
|
opts := ObjectOptions{}
|
|
buf := make([]byte, smallFileThreshold*16)
|
|
if _, err = io.ReadFull(crand.Reader, buf); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// Test use case 1: All disks are online, xl.meta are present, but data are missing
|
|
_, err = obj.PutObject(ctx, bucket, object, mustGetPutObjReader(t, bytes.NewReader(buf), int64(len(buf)), "", ""), opts)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
for _, disk := range xl.getDisks() {
|
|
files, _ := disk.ListDir(ctx, "", bucket, object, -1)
|
|
for _, file := range files {
|
|
if file != "xl.meta" {
|
|
disk.Delete(ctx, bucket, pathJoin(object, file), DeleteOptions{
|
|
Recursive: true,
|
|
Immediate: false,
|
|
})
|
|
}
|
|
}
|
|
}
|
|
|
|
gr, err := xl.GetObjectNInfo(ctx, bucket, object, nil, nil, opts)
|
|
if err != nil {
|
|
if err != toObjectErr(errErasureReadQuorum, bucket, object) {
|
|
t.Errorf("Expected GetObject to fail with %v, but failed with %v", toObjectErr(errErasureReadQuorum, bucket, object), err)
|
|
}
|
|
}
|
|
if gr != nil {
|
|
_, err = io.Copy(io.Discard, gr)
|
|
if err != toObjectErr(errErasureReadQuorum, bucket, object) {
|
|
t.Errorf("Expected GetObject to fail with %v, but failed with %v", toObjectErr(errErasureReadQuorum, bucket, object), err)
|
|
}
|
|
gr.Close()
|
|
}
|
|
|
|
// Test use case 2: Make 9 disks offline, which leaves less than quorum number of disks
|
|
// in a 16 disk Erasure setup. The original disks are 'replaced' with
|
|
// naughtyDisks that fail after 'f' successful StorageAPI method
|
|
// invocations, where f - [0,2)
|
|
|
|
// Create "object" under "bucket".
|
|
_, err = obj.PutObject(ctx, bucket, object, mustGetPutObjReader(t, bytes.NewReader(buf), int64(len(buf)), "", ""), opts)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
for f := 0; f < 2; f++ {
|
|
diskErrors := make(map[int]error)
|
|
for i := 0; i <= f; i++ {
|
|
diskErrors[i] = nil
|
|
}
|
|
erasureDisks := xl.getDisks()
|
|
for i := range erasureDisks[:9] {
|
|
switch diskType := erasureDisks[i].(type) {
|
|
case *naughtyDisk:
|
|
erasureDisks[i] = newNaughtyDisk(diskType.disk, diskErrors, errFaultyDisk)
|
|
default:
|
|
erasureDisks[i] = newNaughtyDisk(erasureDisks[i], diskErrors, errFaultyDisk)
|
|
}
|
|
}
|
|
z.serverPools[0].erasureDisksMu.Lock()
|
|
xl.getDisks = func() []StorageAPI {
|
|
return erasureDisks
|
|
}
|
|
z.serverPools[0].erasureDisksMu.Unlock()
|
|
// Fetch object from store.
|
|
gr, err := xl.GetObjectNInfo(ctx, bucket, object, nil, nil, opts)
|
|
if err != nil {
|
|
if err != toObjectErr(errErasureReadQuorum, bucket, object) {
|
|
t.Errorf("Expected GetObject to fail with %v, but failed with %v", toObjectErr(errErasureReadQuorum, bucket, object), err)
|
|
}
|
|
}
|
|
if gr != nil {
|
|
_, err = io.Copy(io.Discard, gr)
|
|
if err != toObjectErr(errErasureReadQuorum, bucket, object) {
|
|
t.Errorf("Expected GetObject to fail with %v, but failed with %v", toObjectErr(errErasureReadQuorum, bucket, object), err)
|
|
}
|
|
gr.Close()
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestHeadObjectNoQuorum(t *testing.T) {
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
// Create an instance of xl backend.
|
|
obj, fsDirs, err := prepareErasure16(ctx)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
// Cleanup backend directories.
|
|
defer obj.Shutdown(context.Background())
|
|
defer removeRoots(fsDirs)
|
|
|
|
z := obj.(*erasureServerPools)
|
|
xl := z.serverPools[0].sets[0]
|
|
|
|
// Create "bucket"
|
|
err = obj.MakeBucket(ctx, "bucket", MakeBucketOptions{})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
bucket := "bucket"
|
|
object := "object"
|
|
opts := ObjectOptions{}
|
|
|
|
// Test use case 1: All disks are online, xl.meta are present, but data are missing
|
|
_, err = obj.PutObject(ctx, bucket, object, mustGetPutObjReader(t, bytes.NewReader([]byte("abcd")), int64(len("abcd")), "", ""), opts)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
for _, disk := range xl.getDisks() {
|
|
files, _ := disk.ListDir(ctx, "", bucket, object, -1)
|
|
for _, file := range files {
|
|
if file != "xl.meta" {
|
|
disk.Delete(ctx, bucket, pathJoin(object, file), DeleteOptions{
|
|
Recursive: true,
|
|
Immediate: false,
|
|
})
|
|
}
|
|
}
|
|
}
|
|
|
|
_, err = xl.GetObjectInfo(ctx, bucket, object, opts)
|
|
if err != nil {
|
|
t.Errorf("Expected StatObject to succeed if data dir are not found, but failed with %v", err)
|
|
}
|
|
|
|
// Test use case 2: Make 9 disks offline, which leaves less than quorum number of disks
|
|
// in a 16 disk Erasure setup. The original disks are 'replaced' with
|
|
// naughtyDisks that fail after 'f' successful StorageAPI method
|
|
// invocations, where f - [0,2)
|
|
|
|
// Create "object" under "bucket".
|
|
_, err = obj.PutObject(ctx, bucket, object, mustGetPutObjReader(t, bytes.NewReader([]byte("abcd")), int64(len("abcd")), "", ""), opts)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
erasureDisks := xl.getDisks()
|
|
for i := range erasureDisks[:10] {
|
|
erasureDisks[i] = nil
|
|
}
|
|
|
|
z.serverPools[0].erasureDisksMu.Lock()
|
|
xl.getDisks = func() []StorageAPI {
|
|
return erasureDisks
|
|
}
|
|
z.serverPools[0].erasureDisksMu.Unlock()
|
|
|
|
// Fetch object from store.
|
|
_, err = xl.GetObjectInfo(ctx, bucket, object, opts)
|
|
if err != toObjectErr(errErasureReadQuorum, bucket, object) {
|
|
t.Errorf("Expected getObjectInfo to fail with %v, but failed with %v", toObjectErr(errErasureWriteQuorum, bucket, object), err)
|
|
}
|
|
}
|
|
|
|
func TestPutObjectNoQuorum(t *testing.T) {
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
// Create an instance of xl backend.
|
|
obj, fsDirs, err := prepareErasure16(ctx)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// Cleanup backend directories.
|
|
defer obj.Shutdown(context.Background())
|
|
defer removeRoots(fsDirs)
|
|
|
|
z := obj.(*erasureServerPools)
|
|
xl := z.serverPools[0].sets[0]
|
|
|
|
// Create "bucket"
|
|
err = obj.MakeBucket(ctx, "bucket", MakeBucketOptions{})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
bucket := "bucket"
|
|
object := "object"
|
|
opts := ObjectOptions{}
|
|
// Create "object" under "bucket".
|
|
_, err = obj.PutObject(ctx, bucket, object, mustGetPutObjReader(t, bytes.NewReader(bytes.Repeat([]byte{'a'}, smallFileThreshold*16)), smallFileThreshold*16, "", ""), opts)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// Make 9 disks offline, which leaves less than quorum number of disks
|
|
// in a 16 disk Erasure setup. The original disks are 'replaced' with
|
|
// naughtyDisks that fail after 'f' successful StorageAPI method
|
|
// invocations, where f - [0,4)
|
|
for f := 0; f < 2; f++ {
|
|
diskErrors := make(map[int]error)
|
|
for i := 0; i <= f; i++ {
|
|
diskErrors[i] = nil
|
|
}
|
|
erasureDisks := xl.getDisks()
|
|
for i := range erasureDisks[:9] {
|
|
switch diskType := erasureDisks[i].(type) {
|
|
case *naughtyDisk:
|
|
erasureDisks[i] = newNaughtyDisk(diskType.disk, diskErrors, errFaultyDisk)
|
|
default:
|
|
erasureDisks[i] = newNaughtyDisk(erasureDisks[i], diskErrors, errFaultyDisk)
|
|
}
|
|
}
|
|
z.serverPools[0].erasureDisksMu.Lock()
|
|
xl.getDisks = func() []StorageAPI {
|
|
return erasureDisks
|
|
}
|
|
z.serverPools[0].erasureDisksMu.Unlock()
|
|
// Upload new content to same object "object"
|
|
_, err = obj.PutObject(ctx, bucket, object, mustGetPutObjReader(t, bytes.NewReader(bytes.Repeat([]byte{byte(f)}, smallFileThreshold*16)), smallFileThreshold*16, "", ""), opts)
|
|
if !errors.Is(err, errErasureWriteQuorum) {
|
|
t.Errorf("Expected putObject to fail with %v, but failed with %v", toObjectErr(errErasureWriteQuorum, bucket, object), err)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestPutObjectNoQuorumSmall(t *testing.T) {
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
// Create an instance of xl backend.
|
|
obj, fsDirs, err := prepareErasure16(ctx)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// Cleanup backend directories.
|
|
defer obj.Shutdown(context.Background())
|
|
defer removeRoots(fsDirs)
|
|
|
|
z := obj.(*erasureServerPools)
|
|
xl := z.serverPools[0].sets[0]
|
|
|
|
// Create "bucket"
|
|
err = obj.MakeBucket(ctx, "bucket", MakeBucketOptions{})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
bucket := "bucket"
|
|
object := "object"
|
|
opts := ObjectOptions{}
|
|
// Create "object" under "bucket".
|
|
_, err = obj.PutObject(ctx, bucket, object, mustGetPutObjReader(t, bytes.NewReader(bytes.Repeat([]byte{'a'}, smallFileThreshold/2)), smallFileThreshold/2, "", ""), opts)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// Make 9 disks offline, which leaves less than quorum number of disks
|
|
// in a 16 disk Erasure setup. The original disks are 'replaced' with
|
|
// naughtyDisks that fail after 'f' successful StorageAPI method
|
|
// invocations, where f - [0,2)
|
|
for f := 0; f < 2; f++ {
|
|
t.Run("exec-"+strconv.Itoa(f), func(t *testing.T) {
|
|
diskErrors := make(map[int]error)
|
|
for i := 0; i <= f; i++ {
|
|
diskErrors[i] = nil
|
|
}
|
|
erasureDisks := xl.getDisks()
|
|
for i := range erasureDisks[:9] {
|
|
switch diskType := erasureDisks[i].(type) {
|
|
case *naughtyDisk:
|
|
erasureDisks[i] = newNaughtyDisk(diskType.disk, diskErrors, errFaultyDisk)
|
|
default:
|
|
erasureDisks[i] = newNaughtyDisk(erasureDisks[i], diskErrors, errFaultyDisk)
|
|
}
|
|
}
|
|
z.serverPools[0].erasureDisksMu.Lock()
|
|
xl.getDisks = func() []StorageAPI {
|
|
return erasureDisks
|
|
}
|
|
z.serverPools[0].erasureDisksMu.Unlock()
|
|
// Upload new content to same object "object"
|
|
_, err = obj.PutObject(ctx, bucket, object, mustGetPutObjReader(t, bytes.NewReader(bytes.Repeat([]byte{byte(f)}, smallFileThreshold/2)), smallFileThreshold/2, "", ""), opts)
|
|
if !errors.Is(err, errErasureWriteQuorum) {
|
|
t.Errorf("Expected putObject to fail with %v, but failed with %v", toObjectErr(errErasureWriteQuorum, bucket, object), err)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
// Test PutObject twice, one small and another bigger
|
|
// than small data threshold and checks reading them again
|
|
func TestPutObjectSmallInlineData(t *testing.T) {
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
const numberOfDisks = 4
|
|
|
|
// Create an instance of xl backend.
|
|
obj, fsDirs, err := prepareErasure(ctx, numberOfDisks)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// Cleanup backend directories.
|
|
defer obj.Shutdown(context.Background())
|
|
defer removeRoots(fsDirs)
|
|
|
|
bucket := "bucket"
|
|
object := "object"
|
|
|
|
// Create "bucket"
|
|
err = obj.MakeBucket(ctx, bucket, MakeBucketOptions{})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// Test: Upload a small file and read it.
|
|
smallData := []byte{'a'}
|
|
_, err = obj.PutObject(ctx, bucket, object, mustGetPutObjReader(t, bytes.NewReader(smallData), int64(len(smallData)), "", ""), ObjectOptions{})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
gr, err := obj.GetObjectNInfo(ctx, bucket, object, nil, nil, ObjectOptions{})
|
|
if err != nil {
|
|
t.Fatalf("Expected GetObject to succeed, but failed with %v", err)
|
|
}
|
|
output := bytes.NewBuffer([]byte{})
|
|
_, err = io.Copy(output, gr)
|
|
if err != nil {
|
|
t.Fatalf("Expected GetObject reading data to succeed, but failed with %v", err)
|
|
}
|
|
gr.Close()
|
|
if !bytes.Equal(output.Bytes(), smallData) {
|
|
t.Fatalf("Corrupted data is found")
|
|
}
|
|
|
|
// Test: Upload a file bigger than the small file threshold
|
|
// under the same bucket & key name and try to read it again.
|
|
|
|
output.Reset()
|
|
bigData := bytes.Repeat([]byte{'b'}, smallFileThreshold*numberOfDisks/2)
|
|
|
|
_, err = obj.PutObject(ctx, bucket, object, mustGetPutObjReader(t, bytes.NewReader(bigData), int64(len(bigData)), "", ""), ObjectOptions{})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
gr, err = obj.GetObjectNInfo(ctx, bucket, object, nil, nil, ObjectOptions{})
|
|
if err != nil {
|
|
t.Fatalf("Expected GetObject to succeed, but failed with %v", err)
|
|
}
|
|
_, err = io.Copy(output, gr)
|
|
if err != nil {
|
|
t.Fatalf("Expected GetObject reading data to succeed, but failed with %v", err)
|
|
}
|
|
gr.Close()
|
|
if !bytes.Equal(output.Bytes(), bigData) {
|
|
t.Fatalf("Corrupted data found")
|
|
}
|
|
}
|
|
|
|
func TestObjectQuorumFromMeta(t *testing.T) {
|
|
ExecObjectLayerTestWithDirs(t, testObjectQuorumFromMeta)
|
|
}
|
|
|
|
func testObjectQuorumFromMeta(obj ObjectLayer, instanceType string, dirs []string, t TestErrHandler) {
|
|
bucket := getRandomBucketName()
|
|
|
|
var opts ObjectOptions
|
|
// make data with more than one part
|
|
partCount := 3
|
|
data := bytes.Repeat([]byte("a"), 6*1024*1024*partCount)
|
|
|
|
z := obj.(*erasureServerPools)
|
|
xl := z.serverPools[0].sets[0]
|
|
erasureDisks := xl.getDisks()
|
|
|
|
ctx, cancel := context.WithCancel(GlobalContext)
|
|
defer cancel()
|
|
|
|
err := obj.MakeBucket(ctx, bucket, MakeBucketOptions{})
|
|
if err != nil {
|
|
t.Fatalf("Failed to make a bucket %v", err)
|
|
}
|
|
|
|
// Object for test case 1 - No StorageClass defined, no MetaData in PutObject
|
|
object1 := "object1"
|
|
globalStorageClass.Update(storageclass.Config{
|
|
RRS: storageclass.StorageClass{
|
|
Parity: 2,
|
|
},
|
|
Standard: storageclass.StorageClass{
|
|
Parity: 4,
|
|
},
|
|
})
|
|
_, err = obj.PutObject(ctx, bucket, object1, mustGetPutObjReader(t, bytes.NewReader(data), int64(len(data)), "", ""), opts)
|
|
if err != nil {
|
|
t.Fatalf("Failed to putObject %v", err)
|
|
}
|
|
|
|
parts1, errs1 := readAllFileInfo(ctx, erasureDisks, "", bucket, object1, "", false, false)
|
|
parts1SC := globalStorageClass
|
|
|
|
// Object for test case 2 - No StorageClass defined, MetaData in PutObject requesting RRS Class
|
|
object2 := "object2"
|
|
metadata2 := make(map[string]string)
|
|
metadata2["x-amz-storage-class"] = storageclass.RRS
|
|
_, err = obj.PutObject(ctx, bucket, object2, mustGetPutObjReader(t, bytes.NewReader(data), int64(len(data)), "", ""), ObjectOptions{UserDefined: metadata2})
|
|
if err != nil {
|
|
t.Fatalf("Failed to putObject %v", err)
|
|
}
|
|
|
|
parts2, errs2 := readAllFileInfo(ctx, erasureDisks, "", bucket, object2, "", false, false)
|
|
parts2SC := globalStorageClass
|
|
|
|
// Object for test case 3 - No StorageClass defined, MetaData in PutObject requesting Standard Storage Class
|
|
object3 := "object3"
|
|
metadata3 := make(map[string]string)
|
|
metadata3["x-amz-storage-class"] = storageclass.STANDARD
|
|
_, err = obj.PutObject(ctx, bucket, object3, mustGetPutObjReader(t, bytes.NewReader(data), int64(len(data)), "", ""), ObjectOptions{UserDefined: metadata3})
|
|
if err != nil {
|
|
t.Fatalf("Failed to putObject %v", err)
|
|
}
|
|
|
|
parts3, errs3 := readAllFileInfo(ctx, erasureDisks, "", bucket, object3, "", false, false)
|
|
parts3SC := globalStorageClass
|
|
|
|
// Object for test case 4 - Standard StorageClass defined as Parity 6, MetaData in PutObject requesting Standard Storage Class
|
|
object4 := "object4"
|
|
metadata4 := make(map[string]string)
|
|
metadata4["x-amz-storage-class"] = storageclass.STANDARD
|
|
globalStorageClass.Update(storageclass.Config{
|
|
Standard: storageclass.StorageClass{
|
|
Parity: 6,
|
|
},
|
|
})
|
|
|
|
_, err = obj.PutObject(ctx, bucket, object4, mustGetPutObjReader(t, bytes.NewReader(data), int64(len(data)), "", ""), ObjectOptions{UserDefined: metadata4})
|
|
if err != nil {
|
|
t.Fatalf("Failed to putObject %v", err)
|
|
}
|
|
|
|
parts4, errs4 := readAllFileInfo(ctx, erasureDisks, "", bucket, object4, "", false, false)
|
|
parts4SC := storageclass.Config{
|
|
Standard: storageclass.StorageClass{
|
|
Parity: 6,
|
|
},
|
|
}
|
|
|
|
// Object for test case 5 - RRS StorageClass defined as Parity 2, MetaData in PutObject requesting RRS Class
|
|
// Reset global storage class flags
|
|
object5 := "object5"
|
|
metadata5 := make(map[string]string)
|
|
metadata5["x-amz-storage-class"] = storageclass.RRS
|
|
globalStorageClass.Update(storageclass.Config{
|
|
RRS: storageclass.StorageClass{
|
|
Parity: 2,
|
|
},
|
|
})
|
|
|
|
_, err = obj.PutObject(ctx, bucket, object5, mustGetPutObjReader(t, bytes.NewReader(data), int64(len(data)), "", ""), ObjectOptions{UserDefined: metadata5})
|
|
if err != nil {
|
|
t.Fatalf("Failed to putObject %v", err)
|
|
}
|
|
|
|
parts5, errs5 := readAllFileInfo(ctx, erasureDisks, "", bucket, object5, "", false, false)
|
|
parts5SC := globalStorageClass
|
|
|
|
// Object for test case 6 - RRS StorageClass defined as Parity 2, MetaData in PutObject requesting Standard Storage Class
|
|
object6 := "object6"
|
|
metadata6 := make(map[string]string)
|
|
metadata6["x-amz-storage-class"] = storageclass.STANDARD
|
|
globalStorageClass.Update(storageclass.Config{
|
|
Standard: storageclass.StorageClass{
|
|
Parity: 4,
|
|
},
|
|
RRS: storageclass.StorageClass{
|
|
Parity: 2,
|
|
},
|
|
})
|
|
|
|
_, err = obj.PutObject(ctx, bucket, object6, mustGetPutObjReader(t, bytes.NewReader(data), int64(len(data)), "", ""), ObjectOptions{UserDefined: metadata6})
|
|
if err != nil {
|
|
t.Fatalf("Failed to putObject %v", err)
|
|
}
|
|
|
|
parts6, errs6 := readAllFileInfo(ctx, erasureDisks, "", bucket, object6, "", false, false)
|
|
parts6SC := storageclass.Config{
|
|
RRS: storageclass.StorageClass{
|
|
Parity: 2,
|
|
},
|
|
}
|
|
|
|
// Object for test case 7 - Standard StorageClass defined as Parity 5, MetaData in PutObject requesting RRS Class
|
|
// Reset global storage class flags
|
|
object7 := "object7"
|
|
metadata7 := make(map[string]string)
|
|
metadata7["x-amz-storage-class"] = storageclass.STANDARD
|
|
globalStorageClass.Update(storageclass.Config{
|
|
Standard: storageclass.StorageClass{
|
|
Parity: 5,
|
|
},
|
|
})
|
|
|
|
_, err = obj.PutObject(ctx, bucket, object7, mustGetPutObjReader(t, bytes.NewReader(data), int64(len(data)), "", ""), ObjectOptions{UserDefined: metadata7})
|
|
if err != nil {
|
|
t.Fatalf("Failed to putObject %v", err)
|
|
}
|
|
|
|
parts7, errs7 := readAllFileInfo(ctx, erasureDisks, "", bucket, object7, "", false, false)
|
|
parts7SC := storageclass.Config{
|
|
Standard: storageclass.StorageClass{
|
|
Parity: 5,
|
|
},
|
|
}
|
|
|
|
tests := []struct {
|
|
parts []FileInfo
|
|
errs []error
|
|
expectedReadQuorum int
|
|
expectedWriteQuorum int
|
|
storageClassCfg storageclass.Config
|
|
expectedError error
|
|
}{
|
|
{parts1, errs1, 12, 12, parts1SC, nil},
|
|
{parts2, errs2, 14, 14, parts2SC, nil},
|
|
{parts3, errs3, 12, 12, parts3SC, nil},
|
|
{parts4, errs4, 10, 10, parts4SC, nil},
|
|
{parts5, errs5, 14, 14, parts5SC, nil},
|
|
{parts6, errs6, 12, 12, parts6SC, nil},
|
|
{parts7, errs7, 11, 11, parts7SC, nil},
|
|
}
|
|
for _, tt := range tests {
|
|
tt := tt
|
|
t.(*testing.T).Run("", func(t *testing.T) {
|
|
globalStorageClass.Update(tt.storageClassCfg)
|
|
actualReadQuorum, actualWriteQuorum, err := objectQuorumFromMeta(ctx, tt.parts, tt.errs, storageclass.DefaultParityBlocks(len(erasureDisks)))
|
|
if tt.expectedError != nil && err == nil {
|
|
t.Errorf("Expected %s, got %s", tt.expectedError, err)
|
|
}
|
|
if tt.expectedError == nil && err != nil {
|
|
t.Errorf("Expected %s, got %s", tt.expectedError, err)
|
|
}
|
|
if tt.expectedReadQuorum != actualReadQuorum {
|
|
t.Errorf("Expected Read Quorum %d, got %d", tt.expectedReadQuorum, actualReadQuorum)
|
|
}
|
|
if tt.expectedWriteQuorum != actualWriteQuorum {
|
|
t.Errorf("Expected Write Quorum %d, got %d", tt.expectedWriteQuorum, actualWriteQuorum)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
// In some deployments, one object has data inlined in one disk and not inlined in other disks.
|
|
func TestGetObjectInlineNotInline(t *testing.T) {
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
// Create a backend with 4 disks named disk{1...4}, this name convention
|
|
// because we will unzip some object data from a sample archive.
|
|
const numDisks = 4
|
|
path := t.TempDir()
|
|
|
|
var fsDirs []string
|
|
for i := 1; i <= numDisks; i++ {
|
|
fsDirs = append(fsDirs, filepath.Join(path, fmt.Sprintf("disk%d", i)))
|
|
}
|
|
|
|
objLayer, _, err := initObjectLayer(ctx, mustGetPoolEndpoints(0, fsDirs...))
|
|
if err != nil {
|
|
removeRoots(fsDirs)
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// cleaning up of temporary test directories
|
|
defer objLayer.Shutdown(context.Background())
|
|
defer removeRoots(fsDirs)
|
|
|
|
// Create a testbucket
|
|
err = objLayer.MakeBucket(ctx, "testbucket", MakeBucketOptions{})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// Unzip sample object data to the existing disks
|
|
err = unzipArchive("testdata/xl-meta-inline-notinline.zip", path)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// Try to read the object and check its md5sum
|
|
gr, err := objLayer.GetObjectNInfo(ctx, "testbucket", "file", nil, nil, ObjectOptions{})
|
|
if err != nil {
|
|
t.Fatalf("Expected GetObject to succeed, but failed with %v", err)
|
|
}
|
|
|
|
h := md5.New()
|
|
_, err = io.Copy(h, gr)
|
|
if err != nil {
|
|
t.Fatalf("Expected GetObject reading data to succeed, but failed with %v", err)
|
|
}
|
|
gr.Close()
|
|
|
|
const expectedHash = "fffb6377948ebea75ad2b8058e849ef5"
|
|
foundHash := fmt.Sprintf("%x", h.Sum(nil))
|
|
if foundHash != expectedHash {
|
|
t.Fatalf("Expected data to have md5sum = `%s`, found `%s`", expectedHash, foundHash)
|
|
}
|
|
}
|
|
|
|
// Test reading an object with some outdated data in some disks
|
|
func TestGetObjectWithOutdatedDisks(t *testing.T) {
|
|
if runtime.GOOS == globalWindowsOSName {
|
|
t.Skip()
|
|
}
|
|
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
// Create an instance of xl backend.
|
|
obj, fsDirs, err := prepareErasure(ctx, 6)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// Cleanup backend directories.
|
|
defer obj.Shutdown(context.Background())
|
|
defer removeRoots(fsDirs)
|
|
|
|
z := obj.(*erasureServerPools)
|
|
sets := z.serverPools[0]
|
|
xl := sets.sets[0]
|
|
|
|
origErasureDisks := xl.getDisks()
|
|
|
|
testCases := []struct {
|
|
bucket string
|
|
versioned bool
|
|
object string
|
|
content []byte
|
|
}{
|
|
{"bucket1", false, "object1", []byte("aaaaaaaaaaaaaaaa")},
|
|
{"bucket2", false, "object2", bytes.Repeat([]byte{'a'}, smallFileThreshold*2)},
|
|
{"bucket3", true, "version1", []byte("aaaaaaaaaaaaaaaa")},
|
|
{"bucket4", true, "version2", bytes.Repeat([]byte{'a'}, smallFileThreshold*2)},
|
|
}
|
|
|
|
for i, testCase := range testCases {
|
|
// Step 1: create a bucket
|
|
err = z.MakeBucket(ctx, testCase.bucket, MakeBucketOptions{VersioningEnabled: testCase.versioned})
|
|
if err != nil {
|
|
t.Fatalf("Test %d: Failed to create a bucket: %v", i+1, err)
|
|
}
|
|
|
|
// Step 2: Upload an object with a random content
|
|
initialData := bytes.Repeat([]byte{'b'}, len(testCase.content))
|
|
sets.erasureDisksMu.Lock()
|
|
xl.getDisks = func() []StorageAPI { return origErasureDisks }
|
|
sets.erasureDisksMu.Unlock()
|
|
_, err = z.PutObject(ctx, testCase.bucket, testCase.object, mustGetPutObjReader(t, bytes.NewReader(initialData), int64(len(initialData)), "", ""),
|
|
ObjectOptions{Versioned: testCase.versioned})
|
|
if err != nil {
|
|
t.Fatalf("Test %d: Failed to upload a random object: %v", i+1, err)
|
|
}
|
|
|
|
// Step 3: Upload the object with some disks offline
|
|
sets.erasureDisksMu.Lock()
|
|
xl.getDisks = func() []StorageAPI {
|
|
disks := make([]StorageAPI, len(origErasureDisks))
|
|
copy(disks, origErasureDisks)
|
|
disks[0] = nil
|
|
disks[1] = nil
|
|
return disks
|
|
}
|
|
sets.erasureDisksMu.Unlock()
|
|
got, err := z.PutObject(ctx, testCase.bucket, testCase.object, mustGetPutObjReader(t, bytes.NewReader(testCase.content), int64(len(testCase.content)), "", ""),
|
|
ObjectOptions{Versioned: testCase.versioned})
|
|
if err != nil {
|
|
t.Fatalf("Test %d: Failed to upload the final object: %v", i+1, err)
|
|
}
|
|
|
|
// Step 4: Try to read the object back and check its md5sum
|
|
sets.erasureDisksMu.Lock()
|
|
xl.getDisks = func() []StorageAPI { return origErasureDisks }
|
|
sets.erasureDisksMu.Unlock()
|
|
gr, err := z.GetObjectNInfo(ctx, testCase.bucket, testCase.object, nil, nil, ObjectOptions{VersionID: got.VersionID})
|
|
if err != nil {
|
|
t.Fatalf("Expected GetObject to succeed, but failed with %v", err)
|
|
}
|
|
|
|
h := md5.New()
|
|
h.Write(testCase.content)
|
|
expectedHash := h.Sum(nil)
|
|
|
|
h.Reset()
|
|
_, err = io.Copy(h, gr)
|
|
if err != nil {
|
|
t.Fatalf("Test %d: Failed to calculate md5sum of the object: %v", i+1, err)
|
|
}
|
|
gr.Close()
|
|
foundHash := h.Sum(nil)
|
|
|
|
if !bytes.Equal(foundHash, expectedHash) {
|
|
t.Fatalf("Test %d: Expected data to have md5sum = `%x`, found `%x`", i+1, expectedHash, foundHash)
|
|
}
|
|
}
|
|
}
|