minio/cmd/format-config-v1_test.go
Harshavardhana 2d6f8153fa format: Check properly for disks in valid formats. (#3427)
There was an error in how we validated disk formats,
if one of the disk was formatted and was formatted with
FS would cause confusion and object layer would never
initialize essentially go into an infinite loop.

Validate pre-emptively and also check for FS format
properly.
2016-12-11 15:18:55 -08:00

1149 lines
28 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"
"testing"
)
// generates a valid format.json for XL backend.
func genFormatXLValid() []*formatConfigV1 {
jbod := make([]string, 8)
formatConfigs := make([]*formatConfigV1, 8)
for index := range jbod {
jbod[index] = mustGetUUID()
}
for index := range jbod {
formatConfigs[index] = &formatConfigV1{
Version: "1",
Format: "xl",
XL: &xlFormat{
Version: "1",
Disk: jbod[index],
JBOD: jbod,
},
}
}
return formatConfigs
}
// generates a invalid format.json version for XL backend.
func genFormatXLInvalidVersion() []*formatConfigV1 {
jbod := make([]string, 8)
formatConfigs := make([]*formatConfigV1, 8)
for index := range jbod {
jbod[index] = mustGetUUID()
}
for index := range jbod {
formatConfigs[index] = &formatConfigV1{
Version: "1",
Format: "xl",
XL: &xlFormat{
Version: "1",
Disk: jbod[index],
JBOD: jbod,
},
}
}
// Corrupt version numbers.
formatConfigs[0].Version = "2"
formatConfigs[3].Version = "-1"
return formatConfigs
}
// generates a invalid format.json version for XL backend.
func genFormatXLInvalidFormat() []*formatConfigV1 {
jbod := make([]string, 8)
formatConfigs := make([]*formatConfigV1, 8)
for index := range jbod {
jbod[index] = mustGetUUID()
}
for index := range jbod {
formatConfigs[index] = &formatConfigV1{
Version: "1",
Format: "xl",
XL: &xlFormat{
Version: "1",
Disk: jbod[index],
JBOD: jbod,
},
}
}
// Corrupt version numbers.
formatConfigs[0].Format = "lx"
formatConfigs[3].Format = "lx"
return formatConfigs
}
// generates a invalid format.json version for XL backend.
func genFormatXLInvalidXLVersion() []*formatConfigV1 {
jbod := make([]string, 8)
formatConfigs := make([]*formatConfigV1, 8)
for index := range jbod {
jbod[index] = mustGetUUID()
}
for index := range jbod {
formatConfigs[index] = &formatConfigV1{
Version: "1",
Format: "xl",
XL: &xlFormat{
Version: "1",
Disk: jbod[index],
JBOD: jbod,
},
}
}
// Corrupt version numbers.
formatConfigs[0].XL.Version = "10"
formatConfigs[3].XL.Version = "-1"
return formatConfigs
}
func genFormatFS() *formatConfigV1 {
return &formatConfigV1{
Version: "1",
Format: "fs",
}
}
// generates a invalid format.json version for XL backend.
func genFormatXLInvalidJBODCount() []*formatConfigV1 {
jbod := make([]string, 7)
formatConfigs := make([]*formatConfigV1, 8)
for index := range jbod {
jbod[index] = mustGetUUID()
}
for index := range jbod {
formatConfigs[index] = &formatConfigV1{
Version: "1",
Format: "xl",
XL: &xlFormat{
Version: "1",
Disk: jbod[index],
JBOD: jbod,
},
}
}
return formatConfigs
}
// generates a invalid format.json JBOD for XL backend.
func genFormatXLInvalidJBOD() []*formatConfigV1 {
jbod := make([]string, 8)
formatConfigs := make([]*formatConfigV1, 8)
for index := range jbod {
jbod[index] = mustGetUUID()
}
for index := range jbod {
formatConfigs[index] = &formatConfigV1{
Version: "1",
Format: "xl",
XL: &xlFormat{
Version: "1",
Disk: jbod[index],
JBOD: jbod,
},
}
}
for index := range jbod {
jbod[index] = mustGetUUID()
}
// Corrupt JBOD entries on disk 6 and disk 8.
formatConfigs[5].XL.JBOD = jbod
formatConfigs[7].XL.JBOD = jbod
return formatConfigs
}
// generates a invalid format.json Disk UUID for XL backend.
func genFormatXLInvalidDisks() []*formatConfigV1 {
jbod := make([]string, 8)
formatConfigs := make([]*formatConfigV1, 8)
for index := range jbod {
jbod[index] = mustGetUUID()
}
for index := range jbod {
formatConfigs[index] = &formatConfigV1{
Version: "1",
Format: "xl",
XL: &xlFormat{
Version: "1",
Disk: jbod[index],
JBOD: jbod,
},
}
}
// Make disk 5 and disk 8 have inconsistent disk uuid's.
formatConfigs[4].XL.Disk = mustGetUUID()
formatConfigs[7].XL.Disk = mustGetUUID()
return formatConfigs
}
// generates a invalid format.json Disk UUID in wrong order for XL backend.
func genFormatXLInvalidDisksOrder() []*formatConfigV1 {
jbod := make([]string, 8)
formatConfigs := make([]*formatConfigV1, 8)
for index := range jbod {
jbod[index] = mustGetUUID()
}
for index := range jbod {
formatConfigs[index] = &formatConfigV1{
Version: "1",
Format: "xl",
XL: &xlFormat{
Version: "1",
Disk: jbod[index],
JBOD: jbod,
},
}
}
// Re order jbod for failure case.
var jbod1 = make([]string, 8)
for i, j := range jbod {
jbod1[i] = j
}
jbod1[1], jbod1[2] = jbod[2], jbod[1]
formatConfigs[2].XL.JBOD = jbod1
return formatConfigs
}
func prepareFormatXLHealFreshDisks(obj ObjectLayer) ([]StorageAPI, error) {
var err error
xl := obj.(*xlObjects)
err = obj.MakeBucket("bucket")
if err != nil {
return []StorageAPI{}, err
}
bucket := "bucket"
object := "object"
sha256sum := ""
_, err = obj.PutObject(bucket, object, int64(len("abcd")), bytes.NewReader([]byte("abcd")), nil, sha256sum)
if err != nil {
return []StorageAPI{}, err
}
// Remove the content of export dir 10 but preserve .minio.sys because it is automatically
// created when minio starts
for i := 3; i <= 5; i++ {
if err = xl.storageDisks[i].DeleteFile(".minio.sys", "format.json"); err != nil {
return []StorageAPI{}, err
}
if err = xl.storageDisks[i].DeleteFile(".minio.sys", "tmp"); err != nil {
return []StorageAPI{}, err
}
if err = xl.storageDisks[i].DeleteFile(bucket, object+"/xl.json"); err != nil {
return []StorageAPI{}, err
}
if err = xl.storageDisks[i].DeleteFile(bucket, object+"/part.1"); err != nil {
return []StorageAPI{}, err
}
if err = xl.storageDisks[i].DeleteVol(bucket); err != nil {
return []StorageAPI{}, err
}
}
permutedStorageDisks := []StorageAPI{xl.storageDisks[1], xl.storageDisks[4],
xl.storageDisks[2], xl.storageDisks[8], xl.storageDisks[6], xl.storageDisks[7],
xl.storageDisks[0], xl.storageDisks[15], xl.storageDisks[13], xl.storageDisks[14],
xl.storageDisks[3], xl.storageDisks[10], xl.storageDisks[12], xl.storageDisks[9],
xl.storageDisks[5], xl.storageDisks[11]}
return permutedStorageDisks, nil
}
func TestFormatXLHealFreshDisks(t *testing.T) {
nDisks := 16
fsDirs, err := getRandomDisks(nDisks)
if err != nil {
t.Fatal(err)
}
endpoints, err := parseStorageEndpoints(fsDirs)
if err != nil {
t.Fatal(err)
}
// Create an instance of xl backend.
obj, _, err := initObjectLayer(endpoints)
if err != nil {
t.Error(err)
}
storageDisks, err := prepareFormatXLHealFreshDisks(obj)
if err != nil {
t.Fatal(err)
}
// Start healing disks
err = healFormatXLFreshDisks(storageDisks)
if err != nil {
t.Fatal("healing corrupted disk failed: ", err)
}
// Load again XL format.json to validate it
_, err = loadFormatXL(storageDisks, 8)
if err != nil {
t.Fatal("loading healed disk failed: ", err)
}
// Clean all
removeRoots(fsDirs)
}
func TestFormatXLHealFreshDisksErrorExpected(t *testing.T) {
nDisks := 16
fsDirs, err := getRandomDisks(nDisks)
if err != nil {
t.Fatal(err)
}
endpoints, err := parseStorageEndpoints(fsDirs)
if err != nil {
t.Fatal(err)
}
// Create an instance of xl backend.
obj, _, err := initObjectLayer(endpoints)
if err != nil {
t.Error(err)
}
storageDisks, err := prepareFormatXLHealFreshDisks(obj)
if err != nil {
t.Fatal(err)
}
// Prepares all disks are offline.
prepareNOfflineDisks(storageDisks, 16, t)
// Load again XL format.json to validate it
_, err = loadFormatXL(storageDisks, 8)
if err == nil {
t.Fatal("loading format disk error")
}
storageDisks[3] = nil
err = healFormatXLFreshDisks(storageDisks)
if err != nil {
t.Fatal("didn't get nil when one disk is offline")
}
// Clean all
removeRoots(fsDirs)
}
// Simulate XL disks creation, delete some format.json and remove the content of
// a given disk to test healing a corrupted disk
func TestFormatXLHealCorruptedDisks(t *testing.T) {
// Create an instance of xl backend.
obj, fsDirs, err := prepareXL()
if err != nil {
t.Fatal(err)
}
xl := obj.(*xlObjects)
err = obj.MakeBucket("bucket")
if err != nil {
t.Fatal(err)
}
bucket := "bucket"
object := "object"
sha256sum := ""
_, err = obj.PutObject(bucket, object, int64(len("abcd")), bytes.NewReader([]byte("abcd")), nil, sha256sum)
if err != nil {
t.Fatal(err)
}
// Now, remove two format files.. Load them and reorder
if err = xl.storageDisks[3].DeleteFile(".minio.sys", "format.json"); err != nil {
t.Fatal(err)
}
if err = xl.storageDisks[11].DeleteFile(".minio.sys", "format.json"); err != nil {
t.Fatal(err)
}
// Remove the content of export dir 10 but preserve .minio.sys because it is automatically
// created when minio starts
if err = xl.storageDisks[10].DeleteFile(".minio.sys", "format.json"); err != nil {
t.Fatal(err)
}
if err = xl.storageDisks[10].DeleteFile(".minio.sys", "tmp"); err != nil {
t.Fatal(err)
}
if err = xl.storageDisks[10].DeleteFile(bucket, object+"/xl.json"); err != nil {
t.Fatal(err)
}
if err = xl.storageDisks[10].DeleteFile(bucket, object+"/part.1"); err != nil {
t.Fatal(err)
}
if err = xl.storageDisks[10].DeleteVol(bucket); err != nil {
t.Fatal(err)
}
permutedStorageDisks := []StorageAPI{xl.storageDisks[1], xl.storageDisks[4],
xl.storageDisks[2], xl.storageDisks[8], xl.storageDisks[6], xl.storageDisks[7],
xl.storageDisks[0], xl.storageDisks[15], xl.storageDisks[13], xl.storageDisks[14],
xl.storageDisks[3], xl.storageDisks[10], xl.storageDisks[12], xl.storageDisks[9],
xl.storageDisks[5], xl.storageDisks[11]}
// Start healing disks
err = healFormatXLCorruptedDisks(permutedStorageDisks)
if err != nil {
t.Fatal("healing corrupted disk failed: ", err)
}
// Load again XL format.json to validate it
_, err = loadFormatXL(permutedStorageDisks, 8)
if err != nil {
t.Fatal("loading healed disk failed: ", err)
}
// Clean all
removeRoots(fsDirs)
}
// Test on ReorderByInspection by simulating creating disks and removing
// some of format.json
func TestFormatXLReorderByInspection(t *testing.T) {
// Create an instance of xl backend.
obj, fsDirs, err := prepareXL()
if err != nil {
t.Fatal(err)
}
xl := obj.(*xlObjects)
err = obj.MakeBucket("bucket")
if err != nil {
t.Fatal(err)
}
bucket := "bucket"
object := "object"
sha256sum := ""
_, err = obj.PutObject(bucket, object, int64(len("abcd")), bytes.NewReader([]byte("abcd")), nil, sha256sum)
if err != nil {
t.Fatal(err)
}
// Now, remove two format files.. Load them and reorder
if err = xl.storageDisks[3].DeleteFile(".minio.sys", "format.json"); err != nil {
t.Fatal(err)
}
if err = xl.storageDisks[5].DeleteFile(".minio.sys", "format.json"); err != nil {
t.Fatal(err)
}
permutedStorageDisks := []StorageAPI{xl.storageDisks[1], xl.storageDisks[4],
xl.storageDisks[2], xl.storageDisks[8], xl.storageDisks[6], xl.storageDisks[7],
xl.storageDisks[0], xl.storageDisks[15], xl.storageDisks[13], xl.storageDisks[14],
xl.storageDisks[3], xl.storageDisks[10], xl.storageDisks[12], xl.storageDisks[9],
xl.storageDisks[5], xl.storageDisks[11]}
permutedFormatConfigs, _ := loadAllFormats(permutedStorageDisks)
orderedDisks, err := reorderDisks(permutedStorageDisks, permutedFormatConfigs)
if err != nil {
t.Fatal("error reordering disks\n")
}
orderedDisks, err = reorderDisksByInspection(orderedDisks, permutedStorageDisks, permutedFormatConfigs)
if err != nil {
t.Fatal("failed to reorder disk by inspection")
}
// Check disks reordering
for i := 0; i <= 15; i++ {
if orderedDisks[i] == nil && i != 3 && i != 5 {
t.Fatal("should not be nil")
}
if orderedDisks[i] != nil && orderedDisks[i] != xl.storageDisks[i] {
t.Fatal("Disks were not ordered correctly")
}
}
removeRoots(fsDirs)
}
// Wrapper for calling FormatXL tests - currently validates
// - valid format
// - unrecognized version number
// - unrecognized format tag
// - unrecognized xl version
// - wrong number of JBOD entries
// - invalid JBOD
// - invalid Disk uuid
func TestFormatXL(t *testing.T) {
formatInputCases := [][]*formatConfigV1{
genFormatXLValid(),
genFormatXLInvalidVersion(),
genFormatXLInvalidFormat(),
genFormatXLInvalidXLVersion(),
genFormatXLInvalidJBODCount(),
genFormatXLInvalidJBOD(),
genFormatXLInvalidDisks(),
genFormatXLInvalidDisksOrder(),
}
testCases := []struct {
formatConfigs []*formatConfigV1
shouldPass bool
}{
{
formatConfigs: formatInputCases[0],
shouldPass: true,
},
{
formatConfigs: formatInputCases[1],
shouldPass: false,
},
{
formatConfigs: formatInputCases[2],
shouldPass: false,
},
{
formatConfigs: formatInputCases[3],
shouldPass: false,
},
{
formatConfigs: formatInputCases[4],
shouldPass: false,
},
{
formatConfigs: formatInputCases[5],
shouldPass: false,
},
{
formatConfigs: formatInputCases[6],
shouldPass: false,
},
{
formatConfigs: formatInputCases[7],
shouldPass: false,
},
}
for i, testCase := range testCases {
err := checkFormatXL(testCase.formatConfigs)
if err != nil && testCase.shouldPass {
t.Errorf("Test %d: Expected to pass but failed with %s", i+1, err)
}
if err == nil && !testCase.shouldPass {
t.Errorf("Test %d: Expected to fail but passed instead", i+1)
}
}
}
// Tests uuid order verification function.
func TestSavedUUIDOrder(t *testing.T) {
uuidTestCases := make([]struct {
uuid string
shouldPass bool
}, 8)
jbod := make([]string, 8)
formatConfigs := make([]*formatConfigV1, 8)
for index := range jbod {
jbod[index] = mustGetUUID()
uuidTestCases[index].uuid = jbod[index]
uuidTestCases[index].shouldPass = true
}
for index := range jbod {
formatConfigs[index] = &formatConfigV1{
Version: "1",
Format: "xl",
XL: &xlFormat{
Version: "1",
Disk: jbod[index],
JBOD: jbod,
},
}
}
// Re order jbod for failure case.
var jbod1 = make([]string, 8)
for i, j := range jbod {
jbod1[i] = j
}
jbod1[1], jbod1[2] = jbod[2], jbod[1]
formatConfigs[2].XL.JBOD = jbod1
uuidTestCases[1].shouldPass = false
uuidTestCases[2].shouldPass = false
for i, testCase := range uuidTestCases {
// Is uuid present on all JBOD ?.
if testCase.shouldPass != isSavedUUIDInOrder(testCase.uuid, formatConfigs) {
t.Errorf("Test %d: Expected to pass but failed", i+1)
}
}
}
// Test initFormatXL() when disks are expected to return errors
func TestInitFormatXLErrors(t *testing.T) {
nDisks := 16
fsDirs, err := getRandomDisks(nDisks)
if err != nil {
t.Fatal(err)
}
defer removeRoots(fsDirs)
endpoints, err := parseStorageEndpoints(fsDirs)
if err != nil {
t.Fatal(err)
}
// Create an instance of xl backend.
obj, _, err := initObjectLayer(endpoints)
if err != nil {
t.Fatal(err)
}
xl := obj.(*xlObjects)
testStorageDisks := make([]StorageAPI, 16)
// All disks API return disk not found
for i := 0; i < 16; i++ {
d := xl.storageDisks[i].(*retryStorage)
testStorageDisks[i] = &naughtyDisk{disk: d, defaultErr: errDiskNotFound}
}
if err := initFormatXL(testStorageDisks); err != errDiskNotFound {
t.Fatal("Got a different error: ", err)
}
// All disks returns disk not found in the fourth call
for i := 0; i < 15; i++ {
d := xl.storageDisks[i].(*retryStorage)
testStorageDisks[i] = &naughtyDisk{disk: d, defaultErr: errDiskNotFound, errors: map[int]error{0: nil, 1: nil, 2: nil}}
}
if err := initFormatXL(testStorageDisks); err != errDiskNotFound {
t.Fatal("Got a different error: ", err)
}
// All disks are nil (disk not found)
for i := 0; i < 15; i++ {
testStorageDisks[i] = nil
}
if err := initFormatXL(testStorageDisks); err != errDiskNotFound {
t.Fatal("Got a different error: ", err)
}
}
// Test for reduceFormatErrs()
func TestReduceFormatErrs(t *testing.T) {
// No error founds
if err := reduceFormatErrs([]error{nil, nil, nil, nil}, 4); err != nil {
t.Fatal("Err should be nil, found: ", err)
}
// One corrupted format
if err := reduceFormatErrs([]error{nil, nil, errCorruptedFormat, nil}, 4); err != errCorruptedFormat {
t.Fatal("Got a different error: ", err)
}
// All disks unformatted
if err := reduceFormatErrs([]error{errUnformattedDisk, errUnformattedDisk, errUnformattedDisk, errUnformattedDisk}, 4); err != errUnformattedDisk {
t.Fatal("Got a different error: ", err)
}
// Some disks unformatted
if err := reduceFormatErrs([]error{nil, nil, errUnformattedDisk, errUnformattedDisk}, 4); err != errSomeDiskUnformatted {
t.Fatal("Got a different error: ", err)
}
// Some disks offline
if err := reduceFormatErrs([]error{nil, nil, errDiskNotFound, errUnformattedDisk}, 4); err != errSomeDiskOffline {
t.Fatal("Got a different error: ", err)
}
}
// Tests for genericFormatCheckFS()
func TestGenericFormatCheckFS(t *testing.T) {
// Generate format configs for XL.
formatConfigs := genFormatXLInvalidJBOD()
// Validate disk format is fs, should fail.
if err := genericFormatCheckFS(formatConfigs[0], nil); err != errFSDiskFormat {
t.Fatalf("Unexpected error, expected %s, got %s", errFSDiskFormat, err)
}
// Validate disk is unformatted, should fail.
if err := genericFormatCheckFS(nil, errUnformattedDisk); err != errUnformattedDisk {
t.Fatalf("Unexpected error, expected %s, got %s", errUnformattedDisk, err)
}
// Validate when disk is in FS format.
format := newFSFormatV1()
if err := genericFormatCheckFS(format, nil); err != nil {
t.Fatalf("Unexpected error should pass, failed with %s", err)
}
}
// Tests for genericFormatCheckXL()
func TestGenericFormatCheckXL(t *testing.T) {
var errs []error
formatConfigs := genFormatXLInvalidJBOD()
// Some disks has corrupted formats, one faulty disk
errs = []error{nil, nil, errCorruptedFormat, errCorruptedFormat, errCorruptedFormat, errCorruptedFormat,
errCorruptedFormat, errFaultyDisk}
if err := genericFormatCheckXL(formatConfigs, errs); err != errCorruptedFormat {
t.Fatal("Got unexpected err: ", err)
}
// Many faulty disks
errs = []error{nil, nil, errFaultyDisk, errFaultyDisk, errFaultyDisk, errFaultyDisk,
errCorruptedFormat, errFaultyDisk}
if err := genericFormatCheckXL(formatConfigs, errs); err != errXLReadQuorum {
t.Fatal("Got unexpected err: ", err)
}
// All formats successfully loaded
errs = []error{nil, nil, nil, nil, nil, nil, nil, nil}
if err := genericFormatCheckXL(formatConfigs, errs); err == nil {
t.Fatalf("Should fail here")
}
errs = []error{nil}
if err := genericFormatCheckXL([]*formatConfigV1{genFormatFS()}, errs); err == nil {
t.Fatalf("Should fail here")
}
errs = []error{errFaultyDisk}
if err := genericFormatCheckXL([]*formatConfigV1{genFormatFS()}, errs); err == nil {
t.Fatalf("Should fail here")
}
}
func TestLoadFormatXLErrs(t *testing.T) {
nDisks := 16
fsDirs, err := getRandomDisks(nDisks)
if err != nil {
t.Fatal(err)
}
defer removeRoots(fsDirs)
endpoints, err := parseStorageEndpoints(fsDirs)
if err != nil {
t.Fatal(err)
}
// Create an instance of xl backend.
obj, _, err := initObjectLayer(endpoints)
if err != nil {
t.Fatal(err)
}
xl := obj.(*xlObjects)
xl.storageDisks[11] = nil
// disk 12 returns faulty disk
posixDisk, ok := xl.storageDisks[12].(*retryStorage)
if !ok {
t.Fatal("storage disk is not *retryStorage type")
}
xl.storageDisks[10] = newNaughtyDisk(posixDisk, nil, errFaultyDisk)
if _, err = loadFormatXL(xl.storageDisks, 8); err != errFaultyDisk {
t.Fatal("Got an unexpected error: ", err)
}
removeRoots(fsDirs)
fsDirs, err = getRandomDisks(nDisks)
if err != nil {
t.Fatal(err)
}
defer removeRoots(fsDirs)
endpoints, err = parseStorageEndpoints(fsDirs)
if err != nil {
t.Fatal(err)
}
obj, _, err = initObjectLayer(endpoints)
if err != nil {
t.Fatal(err)
}
xl = obj.(*xlObjects)
// disks 0..10 returns disk not found
for i := 0; i <= 10; i++ {
posixDisk, ok := xl.storageDisks[i].(*retryStorage)
if !ok {
t.Fatal("storage disk is not *retryStorage type")
}
xl.storageDisks[i] = newNaughtyDisk(posixDisk, nil, errDiskNotFound)
}
if _, err = loadFormatXL(xl.storageDisks, 8); err != errXLReadQuorum {
t.Fatal("Got an unexpected error: ", err)
}
fsDirs, err = getRandomDisks(nDisks)
if err != nil {
t.Fatal(err)
}
defer removeRoots(fsDirs)
endpoints, err = parseStorageEndpoints(fsDirs)
if err != nil {
t.Fatal(err)
}
obj, _, err = initObjectLayer(endpoints)
if err != nil {
t.Fatal(err)
}
xl = obj.(*xlObjects)
// disks 0..10 returns unformatted disk
for i := 0; i <= 10; i++ {
if err = xl.storageDisks[i].DeleteFile(".minio.sys", "format.json"); err != nil {
t.Fatal(err)
}
}
if _, err = loadFormatXL(xl.storageDisks, 8); err != errUnformattedDisk {
t.Fatal("Got an unexpected error: ", err)
}
fsDirs, err = getRandomDisks(nDisks)
if err != nil {
t.Fatal(err)
}
defer removeRoots(fsDirs)
endpoints, err = parseStorageEndpoints(fsDirs)
if err != nil {
t.Fatal(err)
}
obj, _, err = initObjectLayer(endpoints)
if err != nil {
t.Fatal(err)
}
xl = obj.(*xlObjects)
// disks 0..15 returns is nil (disk not found)
for i := 0; i < 16; i++ {
xl.storageDisks[i] = nil
}
if _, err := loadFormatXL(xl.storageDisks, 8); err != errDiskNotFound {
t.Fatal("Got an unexpected error: ", err)
}
}
// Tests for healFormatXLCorruptedDisks() with cases which lead to errors
func TestHealFormatXLCorruptedDisksErrs(t *testing.T) {
root, err := newTestConfig("us-east-1")
if err != nil {
t.Fatal(err)
}
defer removeAll(root)
nDisks := 16
fsDirs, err := getRandomDisks(nDisks)
if err != nil {
t.Fatal(err)
}
endpoints, err := parseStorageEndpoints(fsDirs)
if err != nil {
t.Fatal(err)
}
// Everything is fine, should return nil
obj, _, err := initObjectLayer(endpoints)
if err != nil {
t.Fatal(err)
}
xl := obj.(*xlObjects)
if err = healFormatXLCorruptedDisks(xl.storageDisks); err != nil {
t.Fatal("Got an unexpected error: ", err)
}
removeRoots(fsDirs)
fsDirs, err = getRandomDisks(nDisks)
if err != nil {
t.Fatal(err)
}
endpoints, err = parseStorageEndpoints(fsDirs)
if err != nil {
t.Fatal(err)
}
// Disks 0..15 are nil
obj, _, err = initObjectLayer(endpoints)
if err != nil {
t.Fatal(err)
}
xl = obj.(*xlObjects)
for i := 0; i <= 15; i++ {
xl.storageDisks[i] = nil
}
if err = healFormatXLCorruptedDisks(xl.storageDisks); err != nil {
t.Fatal("Got an unexpected error: ", err)
}
removeRoots(fsDirs)
fsDirs, err = getRandomDisks(nDisks)
if err != nil {
t.Fatal(err)
}
endpoints, err = parseStorageEndpoints(fsDirs)
if err != nil {
t.Fatal(err)
}
// One disk returns Faulty Disk
obj, _, err = initObjectLayer(endpoints)
if err != nil {
t.Fatal(err)
}
xl = obj.(*xlObjects)
posixDisk, ok := xl.storageDisks[0].(*retryStorage)
if !ok {
t.Fatal("storage disk is not *retryStorage type")
}
xl.storageDisks[0] = newNaughtyDisk(posixDisk, nil, errFaultyDisk)
if err = healFormatXLCorruptedDisks(xl.storageDisks); err != errFaultyDisk {
t.Fatal("Got an unexpected error: ", err)
}
removeRoots(fsDirs)
fsDirs, err = getRandomDisks(nDisks)
if err != nil {
t.Fatal(err)
}
endpoints, err = parseStorageEndpoints(fsDirs)
if err != nil {
t.Fatal(err)
}
// One disk is not found, heal corrupted disks should return nil
obj, _, err = initObjectLayer(endpoints)
if err != nil {
t.Fatal(err)
}
xl = obj.(*xlObjects)
xl.storageDisks[0] = nil
if err = healFormatXLCorruptedDisks(xl.storageDisks); err != nil {
t.Fatal("Got an unexpected error: ", err)
}
removeRoots(fsDirs)
fsDirs, err = getRandomDisks(nDisks)
if err != nil {
t.Fatal(err)
}
endpoints, err = parseStorageEndpoints(fsDirs)
if err != nil {
t.Fatal(err)
}
// Remove format.json of all disks
obj, _, err = initObjectLayer(endpoints)
if err != nil {
t.Fatal(err)
}
xl = obj.(*xlObjects)
for i := 0; i <= 15; i++ {
if err = xl.storageDisks[i].DeleteFile(".minio.sys", "format.json"); err != nil {
t.Fatal(err)
}
}
if err = healFormatXLCorruptedDisks(xl.storageDisks); err != nil {
t.Fatal("Got an unexpected error: ", err)
}
removeRoots(fsDirs)
fsDirs, err = getRandomDisks(nDisks)
if err != nil {
t.Fatal(err)
}
endpoints, err = parseStorageEndpoints(fsDirs)
if err != nil {
t.Fatal(err)
}
// Corrupted format json in one disk
obj, _, err = initObjectLayer(endpoints)
if err != nil {
t.Fatal(err)
}
xl = obj.(*xlObjects)
for i := 0; i <= 15; i++ {
if err = xl.storageDisks[i].AppendFile(".minio.sys", "format.json", []byte("corrupted data")); err != nil {
t.Fatal(err)
}
}
if err = healFormatXLCorruptedDisks(xl.storageDisks); err == nil {
t.Fatal("Should get a json parsing error, ")
}
removeRoots(fsDirs)
}
// Tests for healFormatXLFreshDisks() with cases which lead to errors
func TestHealFormatXLFreshDisksErrs(t *testing.T) {
root, err := newTestConfig("us-east-1")
if err != nil {
t.Fatal(err)
}
defer removeAll(root)
nDisks := 16
fsDirs, err := getRandomDisks(nDisks)
if err != nil {
t.Fatal(err)
}
endpoints, err := parseStorageEndpoints(fsDirs)
if err != nil {
t.Fatal(err)
}
// Everything is fine, should return nil
obj, _, err := initObjectLayer(endpoints)
if err != nil {
t.Fatal(err)
}
xl := obj.(*xlObjects)
if err = healFormatXLFreshDisks(xl.storageDisks); err != nil {
t.Fatal("Got an unexpected error: ", err)
}
removeRoots(fsDirs)
fsDirs, err = getRandomDisks(nDisks)
if err != nil {
t.Fatal(err)
}
endpoints, err = parseStorageEndpoints(fsDirs)
if err != nil {
t.Fatal(err)
}
// Disks 0..15 are nil
obj, _, err = initObjectLayer(endpoints)
if err != nil {
t.Fatal(err)
}
xl = obj.(*xlObjects)
for i := 0; i <= 15; i++ {
xl.storageDisks[i] = nil
}
if err = healFormatXLFreshDisks(xl.storageDisks); err != nil {
t.Fatal("Got an unexpected error: ", err)
}
removeRoots(fsDirs)
fsDirs, err = getRandomDisks(nDisks)
if err != nil {
t.Fatal(err)
}
endpoints, err = parseStorageEndpoints(fsDirs)
if err != nil {
t.Fatal(err)
}
// One disk returns Faulty Disk
obj, _, err = initObjectLayer(endpoints)
if err != nil {
t.Fatal(err)
}
xl = obj.(*xlObjects)
posixDisk, ok := xl.storageDisks[0].(*retryStorage)
if !ok {
t.Fatal("storage disk is not *retryStorage type")
}
xl.storageDisks[0] = newNaughtyDisk(posixDisk, nil, errFaultyDisk)
if err = healFormatXLFreshDisks(xl.storageDisks); err != errFaultyDisk {
t.Fatal("Got an unexpected error: ", err)
}
removeRoots(fsDirs)
fsDirs, err = getRandomDisks(nDisks)
if err != nil {
t.Fatal(err)
}
endpoints, err = parseStorageEndpoints(fsDirs)
if err != nil {
t.Fatal(err)
}
// One disk is not found, heal corrupted disks should return nil
obj, _, err = initObjectLayer(endpoints)
if err != nil {
t.Fatal(err)
}
xl = obj.(*xlObjects)
xl.storageDisks[0] = nil
if err = healFormatXLFreshDisks(xl.storageDisks); err != nil {
t.Fatal("Got an unexpected error: ", err)
}
removeRoots(fsDirs)
fsDirs, err = getRandomDisks(nDisks)
if err != nil {
t.Fatal(err)
}
endpoints, err = parseStorageEndpoints(fsDirs)
if err != nil {
t.Fatal(err)
}
// Remove format.json of all disks
obj, _, err = initObjectLayer(endpoints)
if err != nil {
t.Fatal(err)
}
xl = obj.(*xlObjects)
for i := 0; i <= 15; i++ {
if err = xl.storageDisks[i].DeleteFile(".minio.sys", "format.json"); err != nil {
t.Fatal(err)
}
}
if err = healFormatXLFreshDisks(xl.storageDisks); err != nil {
t.Fatal("Got an unexpected error: ", err)
}
removeRoots(fsDirs)
}
// Tests for isFormatFound()
func TestIsFormatFound(t *testing.T) {
formats := genFormatXLValid()
if found := isFormatFound(formats); !found {
t.Fatal("isFormatFound() should not return false")
}
formats[0] = nil
if found := isFormatFound(formats); found {
t.Fatal("isFormatFound() should not return true")
}
}
// Tests for isFormatNotFound()
func TestIsFormatNotFound(t *testing.T) {
formats := genFormatXLValid()
if found := isFormatNotFound(formats); found {
t.Fatal("isFormatFound() should not return true")
}
formats[0] = nil
if found := isFormatNotFound(formats); found {
t.Fatal("isFormatFound() should not return true")
}
for idx := range formats {
formats[idx] = nil
}
if found := isFormatNotFound(formats); !found {
t.Fatal("isFormatFound() should not return false")
}
}