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minio/cmd/xl-v1-healing_test.go

426 lines
9.4 KiB

/*
* 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 (
"fmt"
"testing"
)
// Tests healing of format XL.
func TestHealFormatXL(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 = healFormatXL(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 = healFormatXL(xl.storageDisks); err != errXLReadQuorum {
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)
for i := range xl.storageDisks {
posixDisk, ok := xl.storageDisks[i].(*posix)
if !ok {
t.Fatal("storage disk is not *posix type")
}
xl.storageDisks[i] = newNaughtyDisk(posixDisk, nil, errDiskFull)
}
if err = healFormatXL(xl.storageDisks); err != errXLReadQuorum {
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 = healFormatXL(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 = healFormatXL(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 = healFormatXL(xl.storageDisks); err == nil {
t.Fatal("Should get a json parsing error, ")
}
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 on 3 disks.
obj, _, err = initObjectLayer(endpoints)
if err != nil {
t.Fatal(err)
}
xl = obj.(*xlObjects)
for i := 0; i <= 2; i++ {
if err = xl.storageDisks[i].DeleteFile(".minio.sys", "format.json"); err != nil {
t.Fatal(err)
}
}
if err = healFormatXL(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 is not found, heal corrupted disks should return nil
obj, _, err = initObjectLayer(endpoints)
if err != nil {
t.Fatal(err)
}
xl = obj.(*xlObjects)
for i := 0; i <= 2; i++ {
if err = xl.storageDisks[i].DeleteFile(".minio.sys", "format.json"); err != nil {
t.Fatal(err)
}
}
posixDisk, ok := xl.storageDisks[3].(*posix)
if !ok {
t.Fatal("storage disk is not *posix type")
}
xl.storageDisks[3] = newNaughtyDisk(posixDisk, nil, errDiskNotFound)
expectedErr := fmt.Errorf("Unable to initialize format %s and %s", errSomeDiskOffline, errSomeDiskUnformatted)
if err = healFormatXL(xl.storageDisks); err != nil {
if err.Error() != expectedErr.Error() {
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)
if err = obj.MakeBucket(getRandomBucketName()); err != nil {
t.Fatal(err)
}
for i := 0; i <= 2; i++ {
if err = xl.storageDisks[i].DeleteFile(".minio.sys", "format.json"); err != nil {
t.Fatal(err)
}
}
if err = healFormatXL(xl.storageDisks); err != nil {
t.Fatal("Got an unexpected error: ", err)
}
removeRoots(fsDirs)
}
// Tests undoes and validates if the undoing completes successfully.
func TestUndoMakeBucket(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)
}
defer removeRoots(fsDirs)
endpoints, err := parseStorageEndpoints(fsDirs)
if err != nil {
t.Fatal(err)
}
// Remove format.json on 16 disks.
obj, _, err := initObjectLayer(endpoints)
if err != nil {
t.Fatal(err)
}
bucketName := getRandomBucketName()
if err = obj.MakeBucket(bucketName); err != nil {
t.Fatal(err)
}
xl := obj.(*xlObjects)
undoMakeBucket(xl.storageDisks, bucketName)
// Validate if bucket was deleted properly.
_, err = obj.GetBucketInfo(bucketName)
if err != nil {
err = errorCause(err)
switch err.(type) {
case BucketNotFound:
default:
t.Fatal(err)
}
}
}
// Tests quick healing of bucket and bucket metadata.
func TestQuickHeal(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)
}
defer removeRoots(fsDirs)
endpoints, err := parseStorageEndpoints(fsDirs)
if err != nil {
t.Fatal(err)
}
// Remove format.json on 16 disks.
obj, _, err := initObjectLayer(endpoints)
if err != nil {
t.Fatal(err)
}
bucketName := getRandomBucketName()
if err = obj.MakeBucket(bucketName); err != nil {
t.Fatal(err)
}
xl := obj.(*xlObjects)
for i := 0; i <= 2; i++ {
if err = xl.storageDisks[i].DeleteVol(bucketName); err != nil {
t.Fatal(err)
}
}
// Heal the missing buckets.
if err = quickHeal(xl.storageDisks, xl.writeQuorum, xl.readQuorum); err != nil {
t.Fatal(err)
}
// Validate if buckets were indeed healed.
for i := 0; i <= 2; i++ {
if _, err = xl.storageDisks[i].StatVol(bucketName); err != nil {
t.Fatal(err)
}
}
// Corrupt one of the disks to return unformatted disk.
posixDisk, ok := xl.storageDisks[0].(*posix)
if !ok {
t.Fatal("storage disk is not *posix type")
}
xl.storageDisks[0] = newNaughtyDisk(posixDisk, nil, errUnformattedDisk)
if err = quickHeal(xl.storageDisks, xl.writeQuorum, xl.readQuorum); err != errUnformattedDisk {
t.Fatal(err)
}
fsDirs, err = getRandomDisks(nDisks)
if err != nil {
t.Fatal(err)
}
defer removeRoots(fsDirs)
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 = quickHeal(xl.storageDisks, xl.writeQuorum, xl.readQuorum); err != nil {
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)
}
// One disk is not found, heal corrupted disks should return nil
obj, _, err = initObjectLayer(endpoints)
if err != nil {
t.Fatal(err)
}
xl = obj.(*xlObjects)
// Corrupt one of the disks to return unformatted disk.
posixDisk, ok = xl.storageDisks[0].(*posix)
if !ok {
t.Fatal("storage disk is not *posix type")
}
xl.storageDisks[0] = newNaughtyDisk(posixDisk, nil, errDiskNotFound)
if err = quickHeal(xl.storageDisks, xl.writeQuorum, xl.readQuorum); err != nil {
t.Fatal("Got an unexpected error: ", err)
}
}