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minio/cmd/storage-class_test.go

346 lines
10 KiB

/*
* Minio Cloud Storage, (C) 2017 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"
"reflect"
"testing"
)
func TestParseStorageClass(t *testing.T) {
ExecObjectLayerTest(t, testParseStorageClass)
}
func testParseStorageClass(obj ObjectLayer, instanceType string, t TestErrHandler) {
tests := []struct {
storageClassEnv string
wantSc storageClass
expectedError error
}{
{"EC:3", storageClass{
Scheme: "EC",
Parity: 3},
nil},
{"EC:4", storageClass{
Scheme: "EC",
Parity: 4},
nil},
{"AB:4", storageClass{
Scheme: "EC",
Parity: 4},
errors.New("Unsupported scheme AB. Supported scheme is EC")},
{"EC:4:5", storageClass{
Scheme: "EC",
Parity: 4},
errors.New("Too many sections in EC:4:5")},
{"AB", storageClass{
Scheme: "EC",
Parity: 4},
errors.New("Too few sections in AB")},
}
for i, tt := range tests {
gotSc, err := parseStorageClass(tt.storageClassEnv)
if err != nil && tt.expectedError == nil {
t.Errorf("Test %d, Expected %s, got %s", i+1, tt.expectedError, err)
return
}
if err == nil && tt.expectedError != nil {
t.Errorf("Test %d, Expected %s, got %s", i+1, tt.expectedError, err)
return
}
if tt.expectedError == nil && !reflect.DeepEqual(gotSc, tt.wantSc) {
t.Errorf("Test %d, Expected %v, got %v", i+1, tt.wantSc, gotSc)
return
}
if tt.expectedError != nil && !reflect.DeepEqual(err, tt.expectedError) {
t.Errorf("Test %d, Expected %v, got %v", i+1, tt.expectedError, err)
}
}
}
func TestValidateParity(t *testing.T) {
ExecObjectLayerTestWithDirs(t, testValidateParity)
}
func testValidateParity(obj ObjectLayer, instanceType string, dirs []string, t TestErrHandler) {
// Reset global storage class flags
resetGlobalStorageEnvs()
// Set proper envs for a single node XL setup.
saveIsXL := globalIsXL
defer func() {
globalIsXL = saveIsXL
}()
globalIsXL = true
saveSetDriveCount := globalXLSetDriveCount
defer func() {
globalXLSetDriveCount = saveSetDriveCount
}()
globalXLSetCount = len(dirs)
tests := []struct {
rrsParity int
ssParity int
success bool
}{
{2, 4, true},
{3, 3, true},
{1, 4, false},
{7, 6, false},
{9, 0, false},
{9, 9, false},
{2, 9, false},
}
for i, tt := range tests {
err := validateParity(tt.ssParity, tt.rrsParity)
if err != nil && tt.success {
t.Errorf("Test %d, Expected success, got %s", i+1, err)
}
if err == nil && !tt.success {
t.Errorf("Test %d, Expected failure, got success", i+1)
}
}
}
func TestRedundancyCount(t *testing.T) {
ExecObjectLayerTestWithDirs(t, testGetRedundancyCount)
}
func testGetRedundancyCount(obj ObjectLayer, instanceType string, dirs []string, t TestErrHandler) {
// Reset global storage class flags
resetGlobalStorageEnvs()
xl := obj.(*xlObjects)
tests := []struct {
sc string
disksCount int
expectedData int
expectedParity int
}{
{reducedRedundancyStorageClass, len(xl.storageDisks), 14, 2},
{standardStorageClass, len(xl.storageDisks), 8, 8},
{"", len(xl.storageDisks), 8, 8},
{reducedRedundancyStorageClass, len(xl.storageDisks), 9, 7},
{standardStorageClass, len(xl.storageDisks), 10, 6},
{"", len(xl.storageDisks), 9, 7},
}
for i, tt := range tests {
// Set env var for test case 4
if i+1 == 4 {
globalRRStorageClass.Parity = 7
}
// Set env var for test case 5
if i+1 == 5 {
globalStandardStorageClass.Parity = 6
}
// Set env var for test case 6
if i+1 == 6 {
globalStandardStorageClass.Parity = 7
}
data, parity := getRedundancyCount(tt.sc, tt.disksCount)
if data != tt.expectedData {
t.Errorf("Test %d, Expected data disks %d, got %d", i+1, tt.expectedData, data)
return
}
if parity != tt.expectedParity {
t.Errorf("Test %d, Expected parity disks %d, got %d", i+1, tt.expectedParity, parity)
return
}
}
}
func TestObjectQuorumFromMeta(t *testing.T) {
ExecObjectLayerTestWithDirs(t, testObjectQuorumFromMeta)
}
func testObjectQuorumFromMeta(obj ObjectLayer, instanceType string, dirs []string, t TestErrHandler) {
// Reset global storage class flags
resetGlobalStorageEnvs()
bucket := getRandomBucketName()
// 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, mustGetHashReader(t, bytes.NewReader(data), int64(len(data)), "", ""), nil)
if err != nil {
t.Fatalf("Failed to putObject %v", err)
}
parts1, errs1 := readAllXLMetadata(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"] = reducedRedundancyStorageClass
_, err = obj.PutObject(context.Background(), bucket, object2, mustGetHashReader(t, bytes.NewReader(data), int64(len(data)), "", ""), metadata2)
if err != nil {
t.Fatalf("Failed to putObject %v", err)
}
parts2, errs2 := readAllXLMetadata(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"] = standardStorageClass
_, err = obj.PutObject(context.Background(), bucket, object3, mustGetHashReader(t, bytes.NewReader(data), int64(len(data)), "", ""), metadata3)
if err != nil {
t.Fatalf("Failed to putObject %v", err)
}
parts3, errs3 := readAllXLMetadata(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"] = standardStorageClass
globalStandardStorageClass = storageClass{
Parity: 6,
Scheme: "EC",
}
_, err = obj.PutObject(context.Background(), bucket, object4, mustGetHashReader(t, bytes.NewReader(data), int64(len(data)), "", ""), metadata4)
if err != nil {
t.Fatalf("Failed to putObject %v", err)
}
parts4, errs4 := readAllXLMetadata(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
resetGlobalStorageEnvs()
object5 := "object5"
metadata5 := make(map[string]string)
metadata5["x-amz-storage-class"] = reducedRedundancyStorageClass
globalRRStorageClass = storageClass{
Parity: 2,
Scheme: "EC",
}
_, err = obj.PutObject(context.Background(), bucket, object5, mustGetHashReader(t, bytes.NewReader(data), int64(len(data)), "", ""), metadata5)
if err != nil {
t.Fatalf("Failed to putObject %v", err)
}
parts5, errs5 := readAllXLMetadata(xlDisks, bucket, object5)
// Object for test case 6 - RRS StorageClass defined as Parity 2, MetaData in PutObject requesting Standard Storage Class
// Reset global storage class flags
resetGlobalStorageEnvs()
object6 := "object6"
metadata6 := make(map[string]string)
metadata6["x-amz-storage-class"] = standardStorageClass
globalRRStorageClass = storageClass{
Parity: 2,
Scheme: "EC",
}
_, err = obj.PutObject(context.Background(), bucket, object6, mustGetHashReader(t, bytes.NewReader(data), int64(len(data)), "", ""), metadata6)
if err != nil {
t.Fatalf("Failed to putObject %v", err)
}
parts6, errs6 := readAllXLMetadata(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
resetGlobalStorageEnvs()
object7 := "object7"
metadata7 := make(map[string]string)
metadata7["x-amz-storage-class"] = reducedRedundancyStorageClass
globalStandardStorageClass = storageClass{
Parity: 5,
Scheme: "EC",
}
_, err = obj.PutObject(context.Background(), bucket, object7, mustGetHashReader(t, bytes.NewReader(data), int64(len(data)), "", ""), metadata7)
if err != nil {
t.Fatalf("Failed to putObject %v", err)
}
parts7, errs7 := readAllXLMetadata(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(*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
}
}
}
// Test isValidStorageClassMeta method with valid and invalid inputs
func TestIsValidStorageClassMeta(t *testing.T) {
tests := []struct {
sc string
want bool
}{
{"STANDARD", true},
{"REDUCED_REDUNDANCY", true},
{"", false},
{"INVALID", false},
{"123", false},
{"MINIO_STORAGE_CLASS_RRS", false},
{"MINIO_STORAGE_CLASS_STANDARD", false},
}
for i, tt := range tests {
if got := isValidStorageClassMeta(tt.sc); got != tt.want {
t.Errorf("Test %d, Expected Storage Class to be %t, got %t", i+1, tt.want, got)
}
}
}