minio/cmd/xl-v1-object_test.go
Harshavardhana 3b8adf7528 Move storageclass config handling into cmd/config/storageclass (#8360)
Continuation of the changes done in PR #8351 to refactor,
add tests and move global handling into a more idiomatic
style for Go as packages.
2019-10-07 11:20:24 +05:30

602 lines
19 KiB
Go

/*
* MinIO Cloud Storage, (C) 2016 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"
"io/ioutil"
"math/rand"
"os"
"path"
"reflect"
"testing"
"time"
humanize "github.com/dustin/go-humanize"
"github.com/minio/minio/cmd/config/storageclass"
"github.com/minio/minio/pkg/madmin"
)
func TestRepeatPutObjectPart(t *testing.T) {
var objLayer ObjectLayer
var disks []string
var err error
var opts ObjectOptions
objLayer, disks, err = prepareXL16()
if err != nil {
t.Fatal(err)
}
// cleaning up of temporary test directories
defer removeRoots(disks)
err = objLayer.MakeBucketWithLocation(context.Background(), "bucket1", "")
if err != nil {
t.Fatal(err)
}
uploadID, err := objLayer.NewMultipartUpload(context.Background(), "bucket1", "mpartObj1", opts)
if err != nil {
t.Fatal(err)
}
fiveMBBytes := bytes.Repeat([]byte("a"), 5*humanize.MiByte)
md5Hex := getMD5Hash(fiveMBBytes)
_, err = objLayer.PutObjectPart(context.Background(), "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(context.Background(), "bucket1", "mpartObj1", uploadID, 1, mustGetPutObjReader(t, bytes.NewReader(fiveMBBytes), 5*humanize.MiByte, md5Hex, ""), opts)
if err != nil {
t.Fatal(err)
}
}
func TestXLDeleteObjectBasic(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},
}
// Create an instance of xl backend
xl, fsDirs, err := prepareXL16()
if err != nil {
t.Fatal(err)
}
err = xl.MakeBucketWithLocation(context.Background(), "bucket", "")
if err != nil {
t.Fatal(err)
}
// Create object "dir/obj" under bucket "bucket" for Test 7 to pass
_, err = xl.PutObject(context.Background(), "bucket", "dir/obj", mustGetPutObjReader(t, bytes.NewReader([]byte("abcd")), int64(len("abcd")), "", ""), ObjectOptions{})
if err != nil {
t.Fatalf("XL Object upload failed: <ERROR> %s", err)
}
for i, test := range testCases {
actualErr := xl.DeleteObject(context.Background(), test.bucket, test.object)
if test.expectedErr != nil && actualErr != test.expectedErr {
t.Errorf("Test %d: Expected to fail with %s, but failed with %s", i+1, test.expectedErr, actualErr)
}
if test.expectedErr == nil && actualErr != nil {
t.Errorf("Test %d: Expected to pass, but failed with %s", i+1, actualErr)
}
}
// Cleanup backend directories
removeRoots(fsDirs)
}
func TestXLDeleteObjectsXLSet(t *testing.T) {
var objs []*xlObjects
for i := 0; i < 32; i++ {
obj, fsDirs, err := prepareXL(16)
if err != nil {
t.Fatal("Unable to initialize 'XL' object layer.", err)
}
// Remove all dirs.
for _, dir := range fsDirs {
defer os.RemoveAll(dir)
}
objs = append(objs, obj.(*xlObjects))
}
xlSets := &xlSets{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 := xlSets.MakeBucketWithLocation(context.Background(), bucketName, "")
if err != nil {
t.Fatal(err)
}
for _, testCase := range testCases {
_, err = xlSets.PutObject(context.Background(), testCase.bucket, testCase.object,
mustGetPutObjReader(t, bytes.NewReader([]byte("abcd")), int64(len("abcd")), "", ""), ObjectOptions{})
if err != nil {
t.Fatalf("XL Object upload failed: <ERROR> %s", err)
}
}
toObjectNames := func(testCases []testCaseType) []string {
names := make([]string, len(testCases))
for i := range testCases {
names[i] = testCases[i].object
}
return names
}
objectNames := toObjectNames(testCases)
delErrs, err := xlSets.DeleteObjects(context.Background(), bucketName, objectNames)
if err != nil {
t.Errorf("Failed to call DeleteObjects with the error: `%v`", err)
}
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 := xlSets.GetObjectInfo(context.Background(), test.bucket, test.object, ObjectOptions{})
switch statErr.(type) {
case ObjectNotFound:
default:
t.Fatalf("Object %s is not removed", test.bucket+SlashSeparator+test.object)
}
}
}
func TestXLDeleteObjectDiskNotFound(t *testing.T) {
// Create an instance of xl backend.
obj, fsDirs, err := prepareXL16()
if err != nil {
t.Fatal(err)
}
xl := obj.(*xlObjects)
// Create "bucket"
err = obj.MakeBucketWithLocation(context.Background(), "bucket", "")
if err != nil {
t.Fatal(err)
}
bucket := "bucket"
object := "object"
opts := ObjectOptions{}
// Create object "obj" under bucket "bucket".
_, err = obj.PutObject(context.Background(), 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.
for i := range xl.storageDisks[:7] {
xl.storageDisks[i] = newNaughtyDisk(xl.storageDisks[i], nil, errFaultyDisk)
}
err = obj.DeleteObject(context.Background(), bucket, object)
if err != nil {
t.Fatal(err)
}
// Create "obj" under "bucket".
_, err = obj.PutObject(context.Background(), 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.
xl.storageDisks[7] = nil
xl.storageDisks[8] = nil
err = obj.DeleteObject(context.Background(), bucket, object)
// since majority of disks are not available, metaquorum is not achieved and hence errXLReadQuorum error
if err != toObjectErr(errXLReadQuorum, bucket, object) {
t.Errorf("Expected deleteObject to fail with %v, but failed with %v", toObjectErr(errXLReadQuorum, bucket, object), err)
}
// Cleanup backend directories
removeRoots(fsDirs)
}
func TestGetObjectNoQuorum(t *testing.T) {
// Create an instance of xl backend.
obj, fsDirs, err := prepareXL16()
if err != nil {
t.Fatal(err)
}
xl := obj.(*xlObjects)
// Create "bucket"
err = obj.MakeBucketWithLocation(context.Background(), "bucket", "")
if err != nil {
t.Fatal(err)
}
bucket := "bucket"
object := "object"
opts := ObjectOptions{}
// Create "object" under "bucket".
_, err = obj.PutObject(context.Background(), 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 XL 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
}
for i := range xl.storageDisks[:9] {
switch diskType := xl.storageDisks[i].(type) {
case *naughtyDisk:
xl.storageDisks[i] = newNaughtyDisk(diskType.disk, diskErrors, errFaultyDisk)
default:
xl.storageDisks[i] = newNaughtyDisk(xl.storageDisks[i], diskErrors, errFaultyDisk)
}
}
// Fetch object from store.
err = xl.GetObject(context.Background(), bucket, object, 0, int64(len("abcd")), ioutil.Discard, "", opts)
if err != toObjectErr(errXLReadQuorum, bucket, object) {
t.Errorf("Expected putObject to fail with %v, but failed with %v", toObjectErr(errXLWriteQuorum, bucket, object), err)
}
}
// Cleanup backend directories.
removeRoots(fsDirs)
}
func TestPutObjectNoQuorum(t *testing.T) {
// Create an instance of xl backend.
obj, fsDirs, err := prepareXL16()
if err != nil {
t.Fatal(err)
}
xl := obj.(*xlObjects)
// Create "bucket"
err = obj.MakeBucketWithLocation(context.Background(), "bucket", "")
if err != nil {
t.Fatal(err)
}
bucket := "bucket"
object := "object"
opts := ObjectOptions{}
// Create "object" under "bucket".
_, err = obj.PutObject(context.Background(), 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 XL 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
}
for i := range xl.storageDisks[:9] {
switch diskType := xl.storageDisks[i].(type) {
case *naughtyDisk:
xl.storageDisks[i] = newNaughtyDisk(diskType.disk, diskErrors, errFaultyDisk)
default:
xl.storageDisks[i] = newNaughtyDisk(xl.storageDisks[i], diskErrors, errFaultyDisk)
}
}
// Upload new content to same object "object"
_, err = obj.PutObject(context.Background(), bucket, object, mustGetPutObjReader(t, bytes.NewReader([]byte("abcd")), int64(len("abcd")), "", ""), opts)
if err != toObjectErr(errXLWriteQuorum, bucket, object) {
t.Errorf("Expected putObject to fail with %v, but failed with %v", toObjectErr(errXLWriteQuorum, bucket, object), err)
}
}
// Cleanup backend directories.
removeRoots(fsDirs)
}
// Tests both object and bucket healing.
func TestHealing(t *testing.T) {
obj, fsDirs, err := prepareXL16()
if err != nil {
t.Fatal(err)
}
defer removeRoots(fsDirs)
xl := obj.(*xlObjects)
// Create "bucket"
err = obj.MakeBucketWithLocation(context.Background(), "bucket", "")
if err != nil {
t.Fatal(err)
}
bucket := "bucket"
object := "object"
data := make([]byte, 1*humanize.MiByte)
length := int64(len(data))
_, err = rand.Read(data)
if err != nil {
t.Fatal(err)
}
_, err = obj.PutObject(context.Background(), bucket, object, mustGetPutObjReader(t, bytes.NewReader(data), length, "", ""), ObjectOptions{})
if err != nil {
t.Fatal(err)
}
disk := xl.storageDisks[0]
xlMetaPreHeal, err := readXLMeta(context.Background(), disk, bucket, object)
if err != nil {
t.Fatal(err)
}
// Remove the object - to simulate the case where the disk was down when the object
// was created.
err = os.RemoveAll(path.Join(fsDirs[0], bucket, object))
if err != nil {
t.Fatal(err)
}
_, err = xl.HealObject(context.Background(), bucket, object, false, false, madmin.HealNormalScan)
if err != nil {
t.Fatal(err)
}
xlMetaPostHeal, err := readXLMeta(context.Background(), disk, bucket, object)
if err != nil {
t.Fatal(err)
}
// After heal the meta file should be as expected.
if !reflect.DeepEqual(xlMetaPreHeal, xlMetaPostHeal) {
t.Fatal("HealObject failed")
}
err = os.RemoveAll(path.Join(fsDirs[0], bucket, object, "xl.json"))
if err != nil {
t.Fatal(err)
}
// Write xl.json with different modtime to simulate the case where a disk had
// gone down when an object was replaced by a new object.
xlMetaOutDated := xlMetaPreHeal
xlMetaOutDated.Stat.ModTime = time.Now()
err = writeXLMetadata(context.Background(), disk, bucket, object, xlMetaOutDated)
if err != nil {
t.Fatal(err)
}
_, err = xl.HealObject(context.Background(), bucket, object, false, false, madmin.HealDeepScan)
if err != nil {
t.Fatal(err)
}
xlMetaPostHeal, err = readXLMeta(context.Background(), disk, bucket, object)
if err != nil {
t.Fatal(err)
}
// After heal the meta file should be as expected.
if !reflect.DeepEqual(xlMetaPreHeal, xlMetaPostHeal) {
t.Fatal("HealObject failed")
}
// Remove the bucket - to simulate the case where bucket was
// created when the disk was down.
err = os.RemoveAll(path.Join(fsDirs[0], bucket))
if err != nil {
t.Fatal(err)
}
// This would create the bucket.
_, err = xl.HealBucket(context.Background(), bucket, false, false)
if err != nil {
t.Fatal(err)
}
// Stat the bucket to make sure that it was created.
_, err = xl.storageDisks[0].StatVol(bucket)
if err != nil {
t.Fatal(err)
}
}
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"), int(globalPutPartSize)*partCount)
xl := obj.(*xlObjects)
xlDisks := xl.storageDisks
err := obj.MakeBucketWithLocation(context.Background(), bucket, globalMinioDefaultRegion)
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(context.Background(), bucket, object1, mustGetPutObjReader(t, bytes.NewReader(data), int64(len(data)), "", ""), opts)
if err != nil {
t.Fatalf("Failed to putObject %v", err)
}
parts1, errs1 := readAllXLMetadata(context.Background(), xlDisks, bucket, object1)
// 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(context.Background(), 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 := readAllXLMetadata(context.Background(), xlDisks, bucket, object2)
// 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(context.Background(), 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 := readAllXLMetadata(context.Background(), xlDisks, bucket, object3)
// 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
globalServerConfig.StorageClass = storageclass.Config{
Standard: storageclass.StorageClass{
Parity: 6,
},
}
_, err = obj.PutObject(context.Background(), 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 := readAllXLMetadata(context.Background(), xlDisks, bucket, object4)
// 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
globalServerConfig.StorageClass = storageclass.Config{
RRS: storageclass.StorageClass{
Parity: 2,
},
}
_, err = obj.PutObject(context.Background(), 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 := readAllXLMetadata(context.Background(), xlDisks, bucket, object5)
// 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
globalServerConfig.StorageClass = storageclass.Config{
RRS: storageclass.StorageClass{
Parity: 2,
},
}
_, err = obj.PutObject(context.Background(), 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 := readAllXLMetadata(context.Background(), xlDisks, bucket, object6)
// 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
globalServerConfig.StorageClass = storageclass.Config{
Standard: storageclass.StorageClass{
Parity: 5,
},
}
_, err = obj.PutObject(context.Background(), 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 := readAllXLMetadata(context.Background(), xlDisks, bucket, object7)
tests := []struct {
parts []xlMetaV1
errs []error
expectedReadQuorum int
expectedWriteQuorum int
expectedError error
}{
{parts1, errs1, 8, 9, nil},
{parts2, errs2, 14, 15, nil},
{parts3, errs3, 8, 9, nil},
{parts4, errs4, 10, 11, nil},
{parts5, errs5, 14, 15, nil},
{parts6, errs6, 8, 9, nil},
{parts7, errs7, 14, 15, nil},
}
for i, tt := range tests {
actualReadQuorum, actualWriteQuorum, err := objectQuorumFromMeta(context.Background(), *xl, tt.parts, tt.errs)
if tt.expectedError != nil && err == nil {
t.Errorf("Test %d, Expected %s, got %s", i+1, tt.expectedError, err)
return
}
if tt.expectedError == nil && err != nil {
t.Errorf("Test %d, Expected %s, got %s", i+1, tt.expectedError, err)
return
}
if tt.expectedReadQuorum != actualReadQuorum {
t.Errorf("Test %d, Expected Read Quorum %d, got %d", i+1, tt.expectedReadQuorum, actualReadQuorum)
return
}
if tt.expectedWriteQuorum != actualWriteQuorum {
t.Errorf("Test %d, Expected Write Quorum %d, got %d", i+1, tt.expectedWriteQuorum, actualWriteQuorum)
return
}
}
}