mirror of
https://github.com/minio/minio.git
synced 2024-12-24 22:25:54 -05:00
661b263e77
- remove some duplicated code - reported a bug, separately fixed in #13664 - using strings.ReplaceAll() when needed - using filepath.ToSlash() use when needed - remove all non-Go style comments from the codebase Co-authored-by: Aditya Manthramurthy <donatello@users.noreply.github.com>
598 lines
18 KiB
Go
598 lines
18 KiB
Go
// Copyright (c) 2015-2021 MinIO, Inc.
|
|
//
|
|
// This file is part of MinIO Object Storage stack
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Affero General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package cmd
|
|
|
|
import (
|
|
"bytes"
|
|
"context"
|
|
"fmt"
|
|
"os"
|
|
"path/filepath"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/minio/madmin-go"
|
|
)
|
|
|
|
// validates functionality provided to find most common
|
|
// time occurrence from a list of time.
|
|
func TestCommonTime(t *testing.T) {
|
|
// List of test cases for common modTime.
|
|
testCases := []struct {
|
|
times []time.Time
|
|
time time.Time
|
|
}{
|
|
{
|
|
// 1. Tests common times when slice has varying time elements.
|
|
[]time.Time{
|
|
time.Unix(0, 1).UTC(),
|
|
time.Unix(0, 2).UTC(),
|
|
time.Unix(0, 3).UTC(),
|
|
time.Unix(0, 3).UTC(),
|
|
time.Unix(0, 2).UTC(),
|
|
time.Unix(0, 3).UTC(),
|
|
time.Unix(0, 1).UTC(),
|
|
}, time.Unix(0, 3).UTC(),
|
|
},
|
|
{
|
|
// 2. Tests common time obtained when all elements are equal.
|
|
[]time.Time{
|
|
time.Unix(0, 3).UTC(),
|
|
time.Unix(0, 3).UTC(),
|
|
time.Unix(0, 3).UTC(),
|
|
time.Unix(0, 3).UTC(),
|
|
time.Unix(0, 3).UTC(),
|
|
time.Unix(0, 3).UTC(),
|
|
time.Unix(0, 3).UTC(),
|
|
}, time.Unix(0, 3).UTC(),
|
|
},
|
|
{
|
|
// 3. Tests common time obtained when elements have a mixture
|
|
// of sentinel values.
|
|
[]time.Time{
|
|
time.Unix(0, 3).UTC(),
|
|
time.Unix(0, 3).UTC(),
|
|
time.Unix(0, 2).UTC(),
|
|
time.Unix(0, 1).UTC(),
|
|
time.Unix(0, 3).UTC(),
|
|
time.Unix(0, 4).UTC(),
|
|
time.Unix(0, 3).UTC(),
|
|
timeSentinel,
|
|
timeSentinel,
|
|
timeSentinel,
|
|
}, time.Unix(0, 3).UTC(),
|
|
},
|
|
}
|
|
|
|
// Tests all the testcases, and validates them against expected
|
|
// common modtime. Tests fail if modtime does not match.
|
|
for i, testCase := range testCases {
|
|
// Obtain a common mod time from modTimes slice.
|
|
ctime, _ := commonTime(testCase.times, nil)
|
|
if !testCase.time.Equal(ctime) {
|
|
t.Fatalf("Test case %d, expect to pass but failed. Wanted modTime: %s, got modTime: %s\n", i+1, testCase.time, ctime)
|
|
}
|
|
}
|
|
}
|
|
|
|
// TestListOnlineDisks - checks if listOnlineDisks and outDatedDisks
|
|
// are consistent with each other.
|
|
func TestListOnlineDisks(t *testing.T) {
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
obj, disks, err := prepareErasure16(ctx)
|
|
if err != nil {
|
|
t.Fatalf("Prepare Erasure backend failed - %v", err)
|
|
}
|
|
defer obj.Shutdown(context.Background())
|
|
defer removeRoots(disks)
|
|
|
|
type tamperKind int
|
|
const (
|
|
noTamper tamperKind = iota
|
|
deletePart tamperKind = iota
|
|
corruptPart tamperKind = iota
|
|
)
|
|
threeNanoSecs := time.Unix(0, 3).UTC()
|
|
fourNanoSecs := time.Unix(0, 4).UTC()
|
|
modTimesThreeNone := []time.Time{
|
|
threeNanoSecs, threeNanoSecs, threeNanoSecs, threeNanoSecs,
|
|
threeNanoSecs, threeNanoSecs, threeNanoSecs,
|
|
timeSentinel, timeSentinel, timeSentinel, timeSentinel,
|
|
timeSentinel, timeSentinel, timeSentinel, timeSentinel,
|
|
timeSentinel,
|
|
}
|
|
modTimesThreeFour := []time.Time{
|
|
threeNanoSecs, threeNanoSecs, threeNanoSecs, threeNanoSecs,
|
|
threeNanoSecs, threeNanoSecs, threeNanoSecs, threeNanoSecs,
|
|
fourNanoSecs, fourNanoSecs, fourNanoSecs, fourNanoSecs,
|
|
fourNanoSecs, fourNanoSecs, fourNanoSecs, fourNanoSecs,
|
|
}
|
|
testCases := []struct {
|
|
modTimes []time.Time
|
|
expectedTime time.Time
|
|
errs []error
|
|
_tamperBackend tamperKind
|
|
}{
|
|
{
|
|
modTimes: modTimesThreeFour,
|
|
expectedTime: fourNanoSecs,
|
|
errs: []error{
|
|
nil, nil, nil, nil, nil, nil, nil, nil, nil,
|
|
nil, nil, nil, nil, nil, nil, nil,
|
|
},
|
|
_tamperBackend: noTamper,
|
|
},
|
|
{
|
|
modTimes: modTimesThreeNone,
|
|
expectedTime: threeNanoSecs,
|
|
errs: []error{
|
|
// Disks that have a valid xl.meta.
|
|
nil, nil, nil, nil, nil, nil, nil,
|
|
// Majority of disks don't have xl.meta.
|
|
errFileNotFound, errFileNotFound,
|
|
errFileNotFound, errFileNotFound,
|
|
errFileNotFound, errDiskAccessDenied,
|
|
errDiskNotFound, errFileNotFound,
|
|
errFileNotFound,
|
|
},
|
|
_tamperBackend: deletePart,
|
|
},
|
|
{
|
|
modTimes: modTimesThreeNone,
|
|
expectedTime: threeNanoSecs,
|
|
errs: []error{
|
|
// Disks that have a valid xl.meta.
|
|
nil, nil, nil, nil, nil, nil, nil,
|
|
// Majority of disks don't have xl.meta.
|
|
errFileNotFound, errFileNotFound,
|
|
errFileNotFound, errFileNotFound,
|
|
errFileNotFound, errDiskAccessDenied,
|
|
errDiskNotFound, errFileNotFound,
|
|
errFileNotFound,
|
|
},
|
|
_tamperBackend: corruptPart,
|
|
},
|
|
}
|
|
|
|
bucket := "bucket"
|
|
err = obj.MakeBucketWithLocation(ctx, "bucket", BucketOptions{})
|
|
if err != nil {
|
|
t.Fatalf("Failed to make a bucket %v", err)
|
|
}
|
|
|
|
object := "object"
|
|
data := bytes.Repeat([]byte("a"), smallFileThreshold*16)
|
|
z := obj.(*erasureServerPools)
|
|
erasureDisks := z.serverPools[0].sets[0].getDisks()
|
|
for i, test := range testCases {
|
|
test := test
|
|
t.Run(fmt.Sprintf("case-%d", i), func(t *testing.T) {
|
|
_, err = obj.PutObject(ctx, bucket, object, mustGetPutObjReader(t, bytes.NewReader(data), int64(len(data)), "", ""), ObjectOptions{})
|
|
if err != nil {
|
|
t.Fatalf("Failed to putObject %v", err)
|
|
}
|
|
|
|
partsMetadata, errs := readAllFileInfo(ctx, erasureDisks, bucket, object, "", false)
|
|
fi, err := getLatestFileInfo(ctx, partsMetadata, errs, getReadQuorum(len(disks)))
|
|
if err != nil {
|
|
t.Fatalf("Failed to getLatestFileInfo %v", err)
|
|
}
|
|
|
|
for j := range partsMetadata {
|
|
if errs[j] != nil {
|
|
t.Fatalf("expected error to be nil: %s", errs[j])
|
|
}
|
|
partsMetadata[j].ModTime = test.modTimes[j]
|
|
}
|
|
|
|
tamperedIndex := -1
|
|
switch test._tamperBackend {
|
|
case deletePart:
|
|
for index, err := range test.errs {
|
|
if err != nil {
|
|
continue
|
|
}
|
|
// Remove a part from a disk
|
|
// which has a valid xl.meta,
|
|
// and check if that disk
|
|
// appears in outDatedDisks.
|
|
tamperedIndex = index
|
|
dErr := erasureDisks[index].Delete(context.Background(), bucket, pathJoin(object, fi.DataDir, "part.1"), false)
|
|
if dErr != nil {
|
|
t.Fatalf("Failed to delete %s - %v", filepath.Join(object, "part.1"), dErr)
|
|
}
|
|
break
|
|
}
|
|
case corruptPart:
|
|
for index, err := range test.errs {
|
|
if err != nil {
|
|
continue
|
|
}
|
|
// Corrupt a part from a disk
|
|
// which has a valid xl.meta,
|
|
// and check if that disk
|
|
// appears in outDatedDisks.
|
|
tamperedIndex = index
|
|
filePath := pathJoin(erasureDisks[index].String(), bucket, object, fi.DataDir, "part.1")
|
|
f, err := os.OpenFile(filePath, os.O_WRONLY|os.O_SYNC, 0)
|
|
if err != nil {
|
|
t.Fatalf("Failed to open %s: %s\n", filePath, err)
|
|
}
|
|
f.WriteString("oops") // Will cause bitrot error
|
|
f.Close()
|
|
break
|
|
}
|
|
|
|
}
|
|
|
|
onlineDisks, modTime, dataDir := listOnlineDisks(erasureDisks, partsMetadata, test.errs)
|
|
if !modTime.Equal(test.expectedTime) {
|
|
t.Fatalf("Expected modTime to be equal to %v but was found to be %v",
|
|
test.expectedTime, modTime)
|
|
}
|
|
if fi.DataDir != dataDir {
|
|
t.Fatalf("Expected dataDir to be equal to %v but was found to be %v",
|
|
fi.DataDir, dataDir)
|
|
}
|
|
availableDisks, newErrs := disksWithAllParts(ctx, onlineDisks, partsMetadata, test.errs, bucket, object, madmin.HealDeepScan)
|
|
test.errs = newErrs
|
|
|
|
if test._tamperBackend != noTamper {
|
|
if tamperedIndex != -1 && availableDisks[tamperedIndex] != nil {
|
|
t.Fatalf("disk (%v) with part.1 missing is not a disk with available data",
|
|
erasureDisks[tamperedIndex])
|
|
}
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
// TestListOnlineDisksSmallObjects - checks if listOnlineDisks and outDatedDisks
|
|
// are consistent with each other.
|
|
func TestListOnlineDisksSmallObjects(t *testing.T) {
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
obj, disks, err := prepareErasure16(ctx)
|
|
if err != nil {
|
|
t.Fatalf("Prepare Erasure backend failed - %v", err)
|
|
}
|
|
defer obj.Shutdown(context.Background())
|
|
defer removeRoots(disks)
|
|
|
|
type tamperKind int
|
|
const (
|
|
noTamper tamperKind = iota
|
|
deletePart tamperKind = iota
|
|
corruptPart tamperKind = iota
|
|
)
|
|
timeSentinel := time.Unix(1, 0).UTC()
|
|
threeNanoSecs := time.Unix(3, 0).UTC()
|
|
fourNanoSecs := time.Unix(4, 0).UTC()
|
|
modTimesThreeNone := []time.Time{
|
|
threeNanoSecs, threeNanoSecs, threeNanoSecs, threeNanoSecs,
|
|
threeNanoSecs, threeNanoSecs, threeNanoSecs,
|
|
timeSentinel, timeSentinel, timeSentinel, timeSentinel,
|
|
timeSentinel, timeSentinel, timeSentinel, timeSentinel,
|
|
timeSentinel,
|
|
}
|
|
modTimesThreeFour := []time.Time{
|
|
threeNanoSecs, threeNanoSecs, threeNanoSecs, threeNanoSecs,
|
|
threeNanoSecs, threeNanoSecs, threeNanoSecs, threeNanoSecs,
|
|
fourNanoSecs, fourNanoSecs, fourNanoSecs, fourNanoSecs,
|
|
fourNanoSecs, fourNanoSecs, fourNanoSecs, fourNanoSecs,
|
|
}
|
|
testCases := []struct {
|
|
modTimes []time.Time
|
|
expectedTime time.Time
|
|
errs []error
|
|
_tamperBackend tamperKind
|
|
}{
|
|
{
|
|
modTimes: modTimesThreeFour,
|
|
expectedTime: fourNanoSecs,
|
|
errs: []error{
|
|
nil, nil, nil, nil, nil, nil, nil, nil, nil,
|
|
nil, nil, nil, nil, nil, nil, nil,
|
|
},
|
|
_tamperBackend: noTamper,
|
|
},
|
|
{
|
|
modTimes: modTimesThreeNone,
|
|
expectedTime: threeNanoSecs,
|
|
errs: []error{
|
|
// Disks that have a valid xl.meta.
|
|
nil, nil, nil, nil, nil, nil, nil,
|
|
// Majority of disks don't have xl.meta.
|
|
errFileNotFound, errFileNotFound,
|
|
errFileNotFound, errFileNotFound,
|
|
errFileNotFound, errDiskAccessDenied,
|
|
errDiskNotFound, errFileNotFound,
|
|
errFileNotFound,
|
|
},
|
|
_tamperBackend: deletePart,
|
|
},
|
|
{
|
|
modTimes: modTimesThreeNone,
|
|
expectedTime: threeNanoSecs,
|
|
errs: []error{
|
|
// Disks that have a valid xl.meta.
|
|
nil, nil, nil, nil, nil, nil, nil,
|
|
// Majority of disks don't have xl.meta.
|
|
errFileNotFound, errFileNotFound,
|
|
errFileNotFound, errFileNotFound,
|
|
errFileNotFound, errDiskAccessDenied,
|
|
errDiskNotFound, errFileNotFound,
|
|
errFileNotFound,
|
|
},
|
|
_tamperBackend: corruptPart,
|
|
},
|
|
}
|
|
|
|
bucket := "bucket"
|
|
err = obj.MakeBucketWithLocation(ctx, "bucket", BucketOptions{})
|
|
if err != nil {
|
|
t.Fatalf("Failed to make a bucket %v", err)
|
|
}
|
|
|
|
object := "object"
|
|
data := bytes.Repeat([]byte("a"), smallFileThreshold/2)
|
|
z := obj.(*erasureServerPools)
|
|
erasureDisks := z.serverPools[0].sets[0].getDisks()
|
|
for i, test := range testCases {
|
|
test := test
|
|
t.Run(fmt.Sprintf("case-%d", i), func(t *testing.T) {
|
|
_, err = obj.PutObject(ctx, bucket, object, mustGetPutObjReader(t, bytes.NewReader(data), int64(len(data)), "", ""), ObjectOptions{})
|
|
if err != nil {
|
|
t.Fatalf("Failed to putObject %v", err)
|
|
}
|
|
|
|
partsMetadata, errs := readAllFileInfo(ctx, erasureDisks, bucket, object, "", true)
|
|
fi, err := getLatestFileInfo(ctx, partsMetadata, errs, getReadQuorum(len(disks)))
|
|
if err != nil {
|
|
t.Fatalf("Failed to getLatestFileInfo %v", err)
|
|
}
|
|
|
|
for j := range partsMetadata {
|
|
if errs[j] != nil {
|
|
t.Fatalf("expected error to be nil: %s", errs[j])
|
|
}
|
|
partsMetadata[j].ModTime = test.modTimes[j]
|
|
}
|
|
|
|
if erasureDisks, err = writeUniqueFileInfo(ctx, erasureDisks, bucket, object, partsMetadata, diskCount(erasureDisks)); err != nil {
|
|
t.Fatal(ctx, err)
|
|
}
|
|
|
|
tamperedIndex := -1
|
|
switch test._tamperBackend {
|
|
case deletePart:
|
|
for index, err := range test.errs {
|
|
if err != nil {
|
|
continue
|
|
}
|
|
// Remove a part from a disk
|
|
// which has a valid xl.meta,
|
|
// and check if that disk
|
|
// appears in outDatedDisks.
|
|
tamperedIndex = index
|
|
dErr := erasureDisks[index].Delete(context.Background(), bucket, pathJoin(object, xlStorageFormatFile), false)
|
|
if dErr != nil {
|
|
t.Fatalf("Failed to delete %s - %v", pathJoin(object, xlStorageFormatFile), dErr)
|
|
}
|
|
break
|
|
}
|
|
case corruptPart:
|
|
for index, err := range test.errs {
|
|
if err != nil {
|
|
continue
|
|
}
|
|
// Corrupt a part from a disk
|
|
// which has a valid xl.meta,
|
|
// and check if that disk
|
|
// appears in outDatedDisks.
|
|
tamperedIndex = index
|
|
filePath := pathJoin(erasureDisks[index].String(), bucket, object, xlStorageFormatFile)
|
|
f, err := os.OpenFile(filePath, os.O_WRONLY|os.O_SYNC, 0)
|
|
if err != nil {
|
|
t.Fatalf("Failed to open %s: %s\n", filePath, err)
|
|
}
|
|
f.WriteString("oops") // Will cause bitrot error
|
|
f.Close()
|
|
break
|
|
}
|
|
|
|
}
|
|
partsMetadata, errs = readAllFileInfo(ctx, erasureDisks, bucket, object, "", true)
|
|
_, err = getLatestFileInfo(ctx, partsMetadata, errs, len(disks)/2)
|
|
if err != nil {
|
|
t.Fatalf("Failed to getLatestFileInfo %v", err)
|
|
}
|
|
|
|
onlineDisks, modTime, dataDir := listOnlineDisks(erasureDisks, partsMetadata, test.errs)
|
|
if !modTime.Equal(test.expectedTime) {
|
|
t.Fatalf("Expected modTime to be equal to %v but was found to be %v",
|
|
test.expectedTime, modTime)
|
|
}
|
|
|
|
if fi.DataDir != dataDir {
|
|
t.Fatalf("Expected dataDir to be equal to %v but was found to be %v",
|
|
fi.DataDir, dataDir)
|
|
}
|
|
|
|
availableDisks, newErrs := disksWithAllParts(ctx, onlineDisks, partsMetadata, test.errs, bucket, object, madmin.HealDeepScan)
|
|
test.errs = newErrs
|
|
|
|
if test._tamperBackend != noTamper {
|
|
if tamperedIndex != -1 && availableDisks[tamperedIndex] != nil {
|
|
t.Fatalf("disk (%v) with part.1 missing is not a disk with available data",
|
|
erasureDisks[tamperedIndex])
|
|
}
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestDisksWithAllParts(t *testing.T) {
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
obj, disks, err := prepareErasure16(ctx)
|
|
if err != nil {
|
|
t.Fatalf("Prepare Erasure backend failed - %v", err)
|
|
}
|
|
defer obj.Shutdown(context.Background())
|
|
defer removeRoots(disks)
|
|
|
|
bucket := "bucket"
|
|
object := "object"
|
|
// make data with more than one part
|
|
partCount := 3
|
|
data := bytes.Repeat([]byte("a"), 6*1024*1024*partCount)
|
|
z := obj.(*erasureServerPools)
|
|
s := z.serverPools[0].sets[0]
|
|
erasureDisks := s.getDisks()
|
|
err = obj.MakeBucketWithLocation(ctx, "bucket", BucketOptions{})
|
|
if err != nil {
|
|
t.Fatalf("Failed to make a bucket %v", err)
|
|
}
|
|
|
|
_, err = obj.PutObject(ctx, bucket, object, mustGetPutObjReader(t, bytes.NewReader(data), int64(len(data)), "", ""), ObjectOptions{})
|
|
if err != nil {
|
|
t.Fatalf("Failed to putObject %v", err)
|
|
}
|
|
|
|
_, errs := readAllFileInfo(ctx, erasureDisks, bucket, object, "", false)
|
|
readQuorum := len(erasureDisks) / 2
|
|
if reducedErr := reduceReadQuorumErrs(ctx, errs, objectOpIgnoredErrs, readQuorum); reducedErr != nil {
|
|
t.Fatalf("Failed to read xl meta data %v", reducedErr)
|
|
}
|
|
|
|
// Test 1: Test that all disks are returned without any failures with
|
|
// unmodified meta data
|
|
partsMetadata, errs := readAllFileInfo(ctx, erasureDisks, bucket, object, "", false)
|
|
if err != nil {
|
|
t.Fatalf("Failed to read xl meta data %v", err)
|
|
}
|
|
|
|
erasureDisks, _, _ = listOnlineDisks(erasureDisks, partsMetadata, errs)
|
|
|
|
filteredDisks, errs := disksWithAllParts(ctx, erasureDisks, partsMetadata, errs, bucket, object, madmin.HealDeepScan)
|
|
|
|
if len(filteredDisks) != len(erasureDisks) {
|
|
t.Errorf("Unexpected number of disks: %d", len(filteredDisks))
|
|
}
|
|
|
|
for diskIndex, disk := range filteredDisks {
|
|
if errs[diskIndex] != nil {
|
|
t.Errorf("Unexpected error %s", errs[diskIndex])
|
|
}
|
|
|
|
if disk == nil {
|
|
t.Errorf("Disk erroneously filtered, diskIndex: %d", diskIndex)
|
|
}
|
|
}
|
|
|
|
// Test 2: Not synchronized modtime
|
|
partsMetadataBackup := partsMetadata[0]
|
|
partsMetadata[0].ModTime = partsMetadata[0].ModTime.Add(-1 * time.Hour)
|
|
|
|
errs = make([]error, len(erasureDisks))
|
|
filteredDisks, _ = disksWithAllParts(ctx, erasureDisks, partsMetadata, errs, bucket, object, madmin.HealDeepScan)
|
|
|
|
if len(filteredDisks) != len(erasureDisks) {
|
|
t.Errorf("Unexpected number of disks: %d", len(filteredDisks))
|
|
}
|
|
for diskIndex, disk := range filteredDisks {
|
|
if diskIndex == 0 && disk != nil {
|
|
t.Errorf("Disk not filtered as expected, disk: %d", diskIndex)
|
|
}
|
|
if diskIndex != 0 && disk == nil {
|
|
t.Errorf("Disk erroneously filtered, diskIndex: %d", diskIndex)
|
|
}
|
|
}
|
|
partsMetadata[0] = partsMetadataBackup // Revert before going to the next test
|
|
|
|
// Test 3: Not synchronized DataDir
|
|
partsMetadataBackup = partsMetadata[1]
|
|
partsMetadata[1].DataDir = "foo-random"
|
|
|
|
errs = make([]error, len(erasureDisks))
|
|
filteredDisks, _ = disksWithAllParts(ctx, erasureDisks, partsMetadata, errs, bucket, object, madmin.HealDeepScan)
|
|
|
|
if len(filteredDisks) != len(erasureDisks) {
|
|
t.Errorf("Unexpected number of disks: %d", len(filteredDisks))
|
|
}
|
|
for diskIndex, disk := range filteredDisks {
|
|
if diskIndex == 1 && disk != nil {
|
|
t.Errorf("Disk not filtered as expected, disk: %d", diskIndex)
|
|
}
|
|
if diskIndex != 1 && disk == nil {
|
|
t.Errorf("Disk erroneously filtered, diskIndex: %d", diskIndex)
|
|
}
|
|
}
|
|
partsMetadata[1] = partsMetadataBackup // Revert before going to the next test
|
|
|
|
// Test 4: key = disk index, value = part name with hash mismatch
|
|
diskFailures := make(map[int]string)
|
|
diskFailures[0] = "part.1"
|
|
diskFailures[3] = "part.1"
|
|
diskFailures[15] = "part.1"
|
|
|
|
for diskIndex, partName := range diskFailures {
|
|
for i := range partsMetadata[diskIndex].Erasure.Checksums {
|
|
if fmt.Sprintf("part.%d", i+1) == partName {
|
|
filePath := pathJoin(erasureDisks[diskIndex].String(), bucket, object, partsMetadata[diskIndex].DataDir, partName)
|
|
f, err := os.OpenFile(filePath, os.O_WRONLY|os.O_SYNC, 0)
|
|
if err != nil {
|
|
t.Fatalf("Failed to open %s: %s\n", filePath, err)
|
|
}
|
|
f.WriteString("oops") // Will cause bitrot error
|
|
f.Close()
|
|
}
|
|
}
|
|
}
|
|
|
|
errs = make([]error, len(erasureDisks))
|
|
filteredDisks, errs = disksWithAllParts(ctx, erasureDisks, partsMetadata, errs, bucket, object, madmin.HealDeepScan)
|
|
|
|
if len(filteredDisks) != len(erasureDisks) {
|
|
t.Errorf("Unexpected number of disks: %d", len(filteredDisks))
|
|
}
|
|
|
|
for diskIndex, disk := range filteredDisks {
|
|
if _, ok := diskFailures[diskIndex]; ok {
|
|
if disk != nil {
|
|
t.Errorf("Disk not filtered as expected, disk: %d", diskIndex)
|
|
}
|
|
if errs[diskIndex] == nil {
|
|
t.Errorf("Expected error not received, diskIndex: %d", diskIndex)
|
|
}
|
|
} else {
|
|
if disk == nil {
|
|
t.Errorf("Disk erroneously filtered, diskIndex: %d", diskIndex)
|
|
}
|
|
if errs[diskIndex] != nil {
|
|
t.Errorf("Unexpected error, %s, diskIndex: %d", errs[diskIndex], diskIndex)
|
|
}
|
|
|
|
}
|
|
}
|
|
}
|