minio/cmd/erasure-object_test.go
Harshavardhana 519c0077a9
fix: do not return an error for successfully deleted dangling objects (#10938)
dangling objects when removed `mc admin heal -r` or crawler
auto heal would incorrectly return error - this can interfere
with usage calculation as the entry size for this would be
returned as `0`, instead upon success use the resultant
object size to calculate the final size for the object
and avoid reporting this in the log messages

Also do not set ObjectSize in healResultItem to be '-1'
this has an effect on crawler metrics calculating 1 byte
less for objects which seem to be missing their `xl.meta`
2020-11-23 09:12:17 -08:00

581 lines
18 KiB
Go

/*
* MinIO Cloud Storage, (C) 2016-2020 MinIO, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package cmd
import (
"bytes"
"context"
"errors"
"io/ioutil"
"os"
"testing"
humanize "github.com/dustin/go-humanize"
"github.com/minio/minio/cmd/config/storageclass"
)
func TestRepeatPutObjectPart(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
var objLayer ObjectLayer
var disks []string
var err error
var opts ObjectOptions
objLayer, disks, err = prepareErasure16(ctx)
if err != nil {
t.Fatal(err)
}
// cleaning up of temporary test directories
defer objLayer.Shutdown(context.Background())
defer removeRoots(disks)
err = objLayer.MakeBucketWithLocation(ctx, "bucket1", BucketOptions{})
if err != nil {
t.Fatal(err)
}
uploadID, err := objLayer.NewMultipartUpload(ctx, "bucket1", "mpartObj1", opts)
if err != nil {
t.Fatal(err)
}
fiveMBBytes := bytes.Repeat([]byte("a"), 5*humanize.MiByte)
md5Hex := getMD5Hash(fiveMBBytes)
_, err = objLayer.PutObjectPart(ctx, "bucket1", "mpartObj1", uploadID, 1, mustGetPutObjReader(t, bytes.NewReader(fiveMBBytes), 5*humanize.MiByte, md5Hex, ""), opts)
if err != nil {
t.Fatal(err)
}
// PutObjectPart should succeed even if part already exists. ref: https://github.com/minio/minio/issues/1930
_, err = objLayer.PutObjectPart(ctx, "bucket1", "mpartObj1", uploadID, 1, mustGetPutObjReader(t, bytes.NewReader(fiveMBBytes), 5*humanize.MiByte, md5Hex, ""), opts)
if err != nil {
t.Fatal(err)
}
}
func TestErasureDeleteObjectBasic(t *testing.T) {
testCases := []struct {
bucket string
object string
expectedErr error
}{
{".test", "dir/obj", BucketNameInvalid{Bucket: ".test"}},
{"----", "dir/obj", BucketNameInvalid{Bucket: "----"}},
{"bucket", "", ObjectNameInvalid{Bucket: "bucket", Object: ""}},
{"bucket", "doesnotexist", ObjectNotFound{Bucket: "bucket", Object: "doesnotexist"}},
{"bucket", "dir/doesnotexist", ObjectNotFound{Bucket: "bucket", Object: "dir/doesnotexist"}},
{"bucket", "dir", ObjectNotFound{Bucket: "bucket", Object: "dir"}},
{"bucket", "dir/", ObjectNotFound{Bucket: "bucket", Object: "dir/"}},
{"bucket", "dir/obj", nil},
}
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
// Create an instance of xl backend
xl, fsDirs, err := prepareErasure16(ctx)
if err != nil {
t.Fatal(err)
}
defer xl.Shutdown(context.Background())
err = xl.MakeBucketWithLocation(ctx, "bucket", BucketOptions{})
if err != nil {
t.Fatal(err)
}
// Create object "dir/obj" under bucket "bucket" for Test 7 to pass
_, err = xl.PutObject(ctx, "bucket", "dir/obj", mustGetPutObjReader(t, bytes.NewReader([]byte("abcd")), int64(len("abcd")), "", ""), ObjectOptions{})
if err != nil {
t.Fatalf("Erasure Object upload failed: <ERROR> %s", err)
}
for _, test := range testCases {
test := test
t.Run("", func(t *testing.T) {
_, actualErr := xl.DeleteObject(ctx, test.bucket, test.object, ObjectOptions{})
if test.expectedErr != nil && actualErr != test.expectedErr {
t.Errorf("Expected to fail with %s, but failed with %s", test.expectedErr, actualErr)
}
if test.expectedErr == nil && actualErr != nil {
t.Errorf("Expected to pass, but failed with %s", actualErr)
}
})
}
// Cleanup backend directories
removeRoots(fsDirs)
}
func TestErasureDeleteObjectsErasureSet(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
var objs []*erasureObjects
for i := 0; i < 32; i++ {
obj, fsDirs, err := prepareErasure(ctx, 16)
if err != nil {
t.Fatal("Unable to initialize 'Erasure' object layer.", err)
}
// Remove all dirs.
for _, dir := range fsDirs {
defer os.RemoveAll(dir)
}
z := obj.(*erasureServerSets)
xl := z.serverSets[0].sets[0]
objs = append(objs, xl)
}
erasureSets := &erasureSets{sets: objs, distributionAlgo: "CRCMOD"}
type testCaseType struct {
bucket string
object string
}
bucketName := "bucket"
testCases := []testCaseType{
{bucketName, "dir/obj1"},
{bucketName, "dir/obj2"},
{bucketName, "obj3"},
{bucketName, "obj_4"},
}
err := erasureSets.MakeBucketWithLocation(ctx, bucketName, BucketOptions{})
if err != nil {
t.Fatal(err)
}
for _, testCase := range testCases {
_, err = erasureSets.PutObject(ctx, testCase.bucket, testCase.object,
mustGetPutObjReader(t, bytes.NewReader([]byte("abcd")), int64(len("abcd")), "", ""), ObjectOptions{})
if err != nil {
t.Fatalf("Erasure Object upload failed: <ERROR> %s", err)
}
}
toObjectNames := func(testCases []testCaseType) []ObjectToDelete {
names := make([]ObjectToDelete, len(testCases))
for i := range testCases {
names[i] = ObjectToDelete{ObjectName: testCases[i].object}
}
return names
}
objectNames := toObjectNames(testCases)
_, delErrs := erasureSets.DeleteObjects(ctx, bucketName, objectNames, ObjectOptions{})
for i := range delErrs {
if delErrs[i] != nil {
t.Errorf("Failed to remove object `%v` with the error: `%v`", objectNames[i], delErrs[i])
}
}
for _, test := range testCases {
_, statErr := erasureSets.GetObjectInfo(ctx, test.bucket, test.object, ObjectOptions{})
switch statErr.(type) {
case ObjectNotFound:
default:
t.Fatalf("Object %s is not removed", test.bucket+SlashSeparator+test.object)
}
}
}
func TestErasureDeleteObjectDiskNotFound(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.(*erasureServerSets)
xl := z.serverSets[0].sets[0]
// Create "bucket"
err = obj.MakeBucketWithLocation(ctx, "bucket", BucketOptions{})
if err != nil {
t.Fatal(err)
}
bucket := "bucket"
object := "object"
opts := ObjectOptions{}
// Create object "obj" under bucket "bucket".
_, err = obj.PutObject(ctx, bucket, object, mustGetPutObjReader(t, bytes.NewReader([]byte("abcd")), int64(len("abcd")), "", ""), opts)
if err != nil {
t.Fatal(err)
}
// for a 16 disk setup, quorum is 9. To simulate disks not found yet
// quorum is available, we remove disks leaving quorum disks behind.
erasureDisks := xl.getDisks()
z.serverSets[0].erasureDisksMu.Lock()
xl.getDisks = func() []StorageAPI {
for i := range erasureDisks[:7] {
erasureDisks[i] = newNaughtyDisk(erasureDisks[i], nil, errFaultyDisk)
}
return erasureDisks
}
z.serverSets[0].erasureDisksMu.Unlock()
_, err = obj.DeleteObject(ctx, bucket, object, ObjectOptions{})
if err != nil {
t.Fatal(err)
}
// Create "obj" under "bucket".
_, err = obj.PutObject(ctx, bucket, object, mustGetPutObjReader(t, bytes.NewReader([]byte("abcd")), int64(len("abcd")), "", ""), opts)
if err != nil {
t.Fatal(err)
}
// Remove one more disk to 'lose' quorum, by setting it to nil.
erasureDisks = xl.getDisks()
z.serverSets[0].erasureDisksMu.Lock()
xl.getDisks = func() []StorageAPI {
erasureDisks[7] = nil
erasureDisks[8] = nil
return erasureDisks
}
z.serverSets[0].erasureDisksMu.Unlock()
_, err = obj.DeleteObject(ctx, bucket, object, ObjectOptions{})
// since majority of disks are not available, metaquorum is not achieved and hence errErasureWriteQuorum error
if !errors.Is(err, errErasureWriteQuorum) {
t.Errorf("Expected deleteObject to fail with %v, but failed with %v", toObjectErr(errErasureWriteQuorum, bucket, object), err)
}
}
func TestGetObjectNoQuorum(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.(*erasureServerSets)
xl := z.serverSets[0].sets[0]
// Create "bucket"
err = obj.MakeBucketWithLocation(ctx, "bucket", BucketOptions{})
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([]byte("abcd")), int64(len("abcd")), "", ""), 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++ {
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.serverSets[0].erasureDisksMu.Lock()
xl.getDisks = func() []StorageAPI {
return erasureDisks
}
z.serverSets[0].erasureDisksMu.Unlock()
// Fetch object from store.
err = xl.GetObject(ctx, bucket, object, 0, int64(len("abcd")), ioutil.Discard, "", opts)
if err != toObjectErr(errErasureReadQuorum, bucket, object) {
t.Errorf("Expected putObject 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.(*erasureServerSets)
xl := z.serverSets[0].sets[0]
// Create "bucket"
err = obj.MakeBucketWithLocation(ctx, "bucket", BucketOptions{})
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([]byte("abcd")), int64(len("abcd")), "", ""), 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 - [0,3)
for f := 0; f < 3; 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.serverSets[0].erasureDisksMu.Lock()
xl.getDisks = func() []StorageAPI {
return erasureDisks
}
z.serverSets[0].erasureDisksMu.Unlock()
// Upload new content to same object "object"
_, err = obj.PutObject(ctx, bucket, object, mustGetPutObjReader(t, bytes.NewReader([]byte("abcd")), int64(len("abcd")), "", ""), opts)
if !errors.Is(err, errErasureWriteQuorum) {
t.Errorf("Expected putObject to fail with %v, but failed with %v", toObjectErr(errErasureWriteQuorum, bucket, object), err)
}
}
}
func TestObjectQuorumFromMeta(t *testing.T) {
ExecObjectLayerTestWithDirs(t, testObjectQuorumFromMeta)
}
func testObjectQuorumFromMeta(obj ObjectLayer, instanceType string, dirs []string, t TestErrHandler) {
restoreGlobalStorageClass := globalStorageClass
defer func() {
globalStorageClass = restoreGlobalStorageClass
}()
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.(*erasureServerSets)
xl := z.serverSets[0].sets[0]
erasureDisks := xl.getDisks()
ctx, cancel := context.WithCancel(GlobalContext)
defer cancel()
err := obj.MakeBucketWithLocation(ctx, bucket, BucketOptions{})
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"
_, 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, "")
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, "")
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, "")
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 = 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, "")
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 = 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, "")
parts5SC := storageclass.Config{
RRS: storageclass.StorageClass{
Parity: 2,
},
}
// 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 = storageclass.Config{
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, "")
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.RRS
globalStorageClass = 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, "")
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, 8, 9, parts1SC, nil},
{parts2, errs2, 14, 14, parts2SC, nil},
{parts3, errs3, 8, 9, parts3SC, nil},
{parts4, errs4, 10, 10, parts4SC, nil},
{parts5, errs5, 14, 14, parts5SC, nil},
{parts6, errs6, 8, 9, parts6SC, nil},
{parts7, errs7, 14, 14, parts7SC, nil},
}
for _, tt := range tests {
tt := tt
t.(*testing.T).Run("", func(t *testing.T) {
globalStorageClass = tt.storageClassCfg
actualReadQuorum, actualWriteQuorum, err := objectQuorumFromMeta(ctx, *xl, tt.parts, tt.errs)
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)
}
})
}
}