mirror of
https://github.com/minio/minio
synced 2024-11-05 17:34:01 +00:00
792 lines
23 KiB
Go
792 lines
23 KiB
Go
// Copyright (c) 2015-2021 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package cmd
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import (
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"bytes"
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"context"
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"fmt"
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"os"
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"path/filepath"
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"testing"
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"time"
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"github.com/minio/madmin-go/v3"
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)
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// Returns the latest updated FileInfo files and error in case of failure.
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func getLatestFileInfo(ctx context.Context, partsMetadata []FileInfo, defaultParityCount int, errs []error) (FileInfo, error) {
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// There should be atleast half correct entries, if not return failure
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expectedRQuorum := len(partsMetadata) / 2
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if defaultParityCount == 0 {
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// if parity count is '0', we expected all entries to be present.
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expectedRQuorum = len(partsMetadata)
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}
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reducedErr := reduceReadQuorumErrs(ctx, errs, objectOpIgnoredErrs, expectedRQuorum)
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if reducedErr != nil {
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return FileInfo{}, reducedErr
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}
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// List all the file commit ids from parts metadata.
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modTimes := listObjectModtimes(partsMetadata, errs)
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// Count all latest updated FileInfo values
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var count int
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var latestFileInfo FileInfo
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// Reduce list of UUIDs to a single common value - i.e. the last updated Time
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modTime := commonTime(modTimes, expectedRQuorum)
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if modTime.IsZero() || modTime.Equal(timeSentinel) {
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return FileInfo{}, errErasureReadQuorum
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}
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// Interate through all the modTimes and count the FileInfo(s) with latest time.
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for index, t := range modTimes {
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if partsMetadata[index].IsValid() && t.Equal(modTime) {
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latestFileInfo = partsMetadata[index]
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count++
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}
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}
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if !latestFileInfo.IsValid() {
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return FileInfo{}, errErasureReadQuorum
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}
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if count < latestFileInfo.Erasure.DataBlocks {
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return FileInfo{}, errErasureReadQuorum
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}
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return latestFileInfo, nil
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}
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// validates functionality provided to find most common
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// time occurrence from a list of time.
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func TestCommonTime(t *testing.T) {
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// List of test cases for common modTime.
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testCases := []struct {
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times []time.Time
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time time.Time
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quorum int
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}{
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{
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// 1. Tests common times when slice has varying time elements.
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[]time.Time{
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time.Unix(0, 1).UTC(),
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time.Unix(0, 2).UTC(),
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time.Unix(0, 3).UTC(),
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time.Unix(0, 3).UTC(),
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time.Unix(0, 2).UTC(),
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time.Unix(0, 3).UTC(),
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time.Unix(0, 1).UTC(),
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},
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time.Unix(0, 3).UTC(),
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3,
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},
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{
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// 2. Tests common time obtained when all elements are equal.
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[]time.Time{
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time.Unix(0, 3).UTC(),
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time.Unix(0, 3).UTC(),
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time.Unix(0, 3).UTC(),
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time.Unix(0, 3).UTC(),
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time.Unix(0, 3).UTC(),
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time.Unix(0, 3).UTC(),
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time.Unix(0, 3).UTC(),
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},
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time.Unix(0, 3).UTC(),
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4,
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},
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{
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// 3. Tests common time obtained when elements have a mixture of
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// sentinel values and don't have read quorum on any of the values.
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[]time.Time{
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time.Unix(0, 3).UTC(),
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time.Unix(0, 3).UTC(),
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time.Unix(0, 2).UTC(),
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time.Unix(0, 1).UTC(),
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time.Unix(0, 3).UTC(),
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time.Unix(0, 4).UTC(),
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time.Unix(0, 3).UTC(),
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timeSentinel,
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timeSentinel,
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timeSentinel,
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},
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timeSentinel,
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5,
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},
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}
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// Tests all the testcases, and validates them against expected
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// common modtime. Tests fail if modtime does not match.
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for i, testCase := range testCases {
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// Obtain a common mod time from modTimes slice.
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ctime := commonTime(testCase.times, testCase.quorum)
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if !testCase.time.Equal(ctime) {
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t.Errorf("Test case %d, expect to pass but failed. Wanted modTime: %s, got modTime: %s\n", i+1, testCase.time, ctime)
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}
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}
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}
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// TestListOnlineDisks - checks if listOnlineDisks and outDatedDisks
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// are consistent with each other.
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func TestListOnlineDisks(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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obj, disks, err := prepareErasure16(ctx)
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if err != nil {
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t.Fatalf("Prepare Erasure backend failed - %v", err)
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}
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setObjectLayer(obj)
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defer obj.Shutdown(context.Background())
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defer removeRoots(disks)
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type tamperKind int
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const (
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noTamper tamperKind = iota
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deletePart
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corruptPart
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)
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timeSentinel := time.Unix(1, 0).UTC()
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threeNanoSecs := time.Unix(3, 0).UTC()
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fourNanoSecs := time.Unix(4, 0).UTC()
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modTimesThreeNone := make([]time.Time, 16)
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modTimesThreeFour := make([]time.Time, 16)
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for i := 0; i < 16; i++ {
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// Have 13 good xl.meta, 12 for default parity count = 4 (EC:4) and one
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// to be tampered with.
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if i > 12 {
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modTimesThreeFour[i] = fourNanoSecs
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modTimesThreeNone[i] = timeSentinel
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continue
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}
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modTimesThreeFour[i] = threeNanoSecs
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modTimesThreeNone[i] = threeNanoSecs
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}
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testCases := []struct {
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modTimes []time.Time
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expectedTime time.Time
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errs []error
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_tamperBackend tamperKind
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}{
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{
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modTimes: modTimesThreeFour,
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expectedTime: threeNanoSecs,
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errs: []error{
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nil, nil, nil, nil, nil, nil, nil, nil,
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nil, nil, nil, nil, nil, nil, nil, nil,
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},
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_tamperBackend: noTamper,
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},
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{
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modTimes: modTimesThreeNone,
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expectedTime: threeNanoSecs,
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errs: []error{
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// Disks that have a valid xl.meta.
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nil, nil, nil, nil, nil, nil, nil, nil,
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nil, nil, nil, nil, nil,
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// Some disks can't access xl.meta.
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errFileNotFound, errDiskAccessDenied, errDiskNotFound,
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},
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_tamperBackend: deletePart,
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},
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{
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modTimes: modTimesThreeNone,
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expectedTime: threeNanoSecs,
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errs: []error{
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// Disks that have a valid xl.meta.
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nil, nil, nil, nil, nil, nil, nil, nil,
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nil, nil, nil, nil, nil,
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// Some disks don't have xl.meta.
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errDiskNotFound, errFileNotFound, errFileNotFound,
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},
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_tamperBackend: corruptPart,
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},
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}
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bucket := "bucket"
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err = obj.MakeBucket(ctx, "bucket", MakeBucketOptions{})
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if err != nil {
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t.Fatalf("Failed to make a bucket %v", err)
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}
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object := "object"
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data := bytes.Repeat([]byte("a"), smallFileThreshold*16)
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z := obj.(*erasureServerPools)
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erasureDisks, err := z.GetDisks(0, 0)
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if err != nil {
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t.Fatal(err)
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}
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for i, test := range testCases {
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test := test
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t.Run(fmt.Sprintf("case-%d", i), func(t *testing.T) {
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_, err = obj.PutObject(ctx, bucket, object, mustGetPutObjReader(t, bytes.NewReader(data), int64(len(data)), "", ""), ObjectOptions{})
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if err != nil {
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t.Fatalf("Failed to putObject %v", err)
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}
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partsMetadata, errs := readAllFileInfo(ctx, erasureDisks, bucket, object, "", false)
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fi, err := getLatestFileInfo(ctx, partsMetadata, z.serverPools[0].sets[0].defaultParityCount, errs)
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if err != nil {
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t.Fatalf("Failed to getLatestFileInfo %v", err)
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}
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for j := range partsMetadata {
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if errs[j] != nil {
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t.Fatalf("expected error to be nil: %s", errs[j])
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}
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partsMetadata[j].ModTime = test.modTimes[j]
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}
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tamperedIndex := -1
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switch test._tamperBackend {
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case deletePart:
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for index, err := range test.errs {
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if err != nil {
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continue
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}
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// Remove a part from a disk
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// which has a valid xl.meta,
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// and check if that disk
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// appears in outDatedDisks.
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tamperedIndex = index
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dErr := erasureDisks[index].Delete(context.Background(), bucket, pathJoin(object, fi.DataDir, "part.1"), DeleteOptions{
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Recursive: false,
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Force: false,
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})
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if dErr != nil {
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t.Fatalf("Failed to delete %s - %v", filepath.Join(object, "part.1"), dErr)
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}
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break
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}
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case corruptPart:
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for index, err := range test.errs {
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if err != nil {
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continue
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}
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// Corrupt a part from a disk
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// which has a valid xl.meta,
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// and check if that disk
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// appears in outDatedDisks.
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tamperedIndex = index
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filePath := pathJoin(erasureDisks[index].String(), bucket, object, fi.DataDir, "part.1")
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f, err := os.OpenFile(filePath, os.O_WRONLY|os.O_SYNC, 0)
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if err != nil {
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t.Fatalf("Failed to open %s: %s\n", filePath, err)
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}
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f.WriteString("oops") // Will cause bitrot error
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f.Close()
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break
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}
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}
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rQuorum := len(errs) - z.serverPools[0].sets[0].defaultParityCount
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onlineDisks, modTime, _ := listOnlineDisks(erasureDisks, partsMetadata, test.errs, rQuorum)
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if !modTime.Equal(test.expectedTime) {
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t.Fatalf("Expected modTime to be equal to %v but was found to be %v",
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test.expectedTime, modTime)
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}
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availableDisks, newErrs, _ := disksWithAllParts(ctx, onlineDisks, partsMetadata,
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test.errs, fi, bucket, object, madmin.HealDeepScan)
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test.errs = newErrs
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if test._tamperBackend != noTamper {
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if tamperedIndex != -1 && availableDisks[tamperedIndex] != nil {
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t.Fatalf("Drive (%v) with part.1 missing is not a drive with available data",
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erasureDisks[tamperedIndex])
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}
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}
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})
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}
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}
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// TestListOnlineDisksSmallObjects - checks if listOnlineDisks and outDatedDisks
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// are consistent with each other.
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func TestListOnlineDisksSmallObjects(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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obj, disks, err := prepareErasure16(ctx)
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if err != nil {
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t.Fatalf("Prepare Erasure backend failed - %v", err)
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}
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setObjectLayer(obj)
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defer obj.Shutdown(context.Background())
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defer removeRoots(disks)
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type tamperKind int
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const (
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noTamper tamperKind = iota
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deletePart tamperKind = iota
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corruptPart tamperKind = iota
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)
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timeSentinel := time.Unix(1, 0).UTC()
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threeNanoSecs := time.Unix(3, 0).UTC()
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fourNanoSecs := time.Unix(4, 0).UTC()
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modTimesThreeNone := make([]time.Time, 16)
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modTimesThreeFour := make([]time.Time, 16)
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for i := 0; i < 16; i++ {
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// Have 13 good xl.meta, 12 for default parity count = 4 (EC:4) and one
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// to be tampered with.
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if i > 12 {
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modTimesThreeFour[i] = fourNanoSecs
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modTimesThreeNone[i] = timeSentinel
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continue
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}
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modTimesThreeFour[i] = threeNanoSecs
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modTimesThreeNone[i] = threeNanoSecs
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}
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testCases := []struct {
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modTimes []time.Time
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expectedTime time.Time
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errs []error
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_tamperBackend tamperKind
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}{
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{
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modTimes: modTimesThreeFour,
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expectedTime: threeNanoSecs,
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errs: []error{
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nil, nil, nil, nil, nil, nil, nil, nil,
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nil, nil, nil, nil, nil, nil, nil, nil,
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},
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_tamperBackend: noTamper,
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},
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{
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modTimes: modTimesThreeNone,
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expectedTime: threeNanoSecs,
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errs: []error{
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// Disks that have a valid xl.meta.
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nil, nil, nil, nil, nil, nil, nil, nil,
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nil, nil, nil, nil, nil,
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// Some disks can't access xl.meta.
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errFileNotFound, errDiskAccessDenied, errDiskNotFound,
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},
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_tamperBackend: deletePart,
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},
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{
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modTimes: modTimesThreeNone,
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expectedTime: threeNanoSecs,
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errs: []error{
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// Disks that have a valid xl.meta.
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nil, nil, nil, nil, nil, nil, nil, nil,
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nil, nil, nil, nil, nil,
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// Some disks don't have xl.meta.
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errDiskNotFound, errFileNotFound, errFileNotFound,
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},
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_tamperBackend: corruptPart,
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},
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}
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bucket := "bucket"
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err = obj.MakeBucket(ctx, "bucket", MakeBucketOptions{})
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if err != nil {
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t.Fatalf("Failed to make a bucket %v", err)
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}
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object := "object"
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data := bytes.Repeat([]byte("a"), smallFileThreshold/2)
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z := obj.(*erasureServerPools)
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erasureDisks, err := z.GetDisks(0, 0)
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if err != nil {
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t.Fatal(err)
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}
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for i, test := range testCases {
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test := test
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t.Run(fmt.Sprintf("case-%d", i), func(t *testing.T) {
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_, err := obj.PutObject(ctx, bucket, object,
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mustGetPutObjReader(t, bytes.NewReader(data), int64(len(data)), "", ""), ObjectOptions{})
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if err != nil {
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t.Fatalf("Failed to putObject %v", err)
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}
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partsMetadata, errs := readAllFileInfo(ctx, erasureDisks, bucket, object, "", true)
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fi, err := getLatestFileInfo(ctx, partsMetadata, z.serverPools[0].sets[0].defaultParityCount, errs)
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if err != nil {
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t.Fatalf("Failed to getLatestFileInfo %v", err)
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}
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for j := range partsMetadata {
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if errs[j] != nil {
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t.Fatalf("expected error to be nil: %s", errs[j])
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}
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partsMetadata[j].ModTime = test.modTimes[j]
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}
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if erasureDisks, err = writeUniqueFileInfo(ctx, erasureDisks, bucket, object, partsMetadata, diskCount(erasureDisks)); err != nil {
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t.Fatal(ctx, err)
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}
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tamperedIndex := -1
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switch test._tamperBackend {
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case deletePart:
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for index, err := range test.errs {
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if err != nil {
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continue
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}
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// Remove a part from a disk
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// which has a valid xl.meta,
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// and check if that disk
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// appears in outDatedDisks.
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tamperedIndex = index
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dErr := erasureDisks[index].Delete(context.Background(), bucket, pathJoin(object, xlStorageFormatFile), DeleteOptions{
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Recursive: false,
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Force: false,
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})
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if dErr != nil {
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t.Fatalf("Failed to delete %s - %v", pathJoin(object, xlStorageFormatFile), dErr)
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}
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break
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}
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case corruptPart:
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for index, err := range test.errs {
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if err != nil {
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continue
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}
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// Corrupt a part from a disk
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// which has a valid xl.meta,
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// and check if that disk
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// appears in outDatedDisks.
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tamperedIndex = index
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filePath := pathJoin(erasureDisks[index].String(), bucket, object, xlStorageFormatFile)
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f, err := os.OpenFile(filePath, os.O_WRONLY|os.O_SYNC, 0)
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if err != nil {
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t.Fatalf("Failed to open %s: %s\n", filePath, err)
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}
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f.WriteString("oops") // Will cause bitrot error
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f.Close()
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break
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}
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}
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rQuorum := len(errs) - z.serverPools[0].sets[0].defaultParityCount
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onlineDisks, modTime, _ := listOnlineDisks(erasureDisks, partsMetadata, test.errs, rQuorum)
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if !modTime.Equal(test.expectedTime) {
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t.Fatalf("Expected modTime to be equal to %v but was found to be %v",
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test.expectedTime, modTime)
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}
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availableDisks, newErrs, _ := disksWithAllParts(ctx, onlineDisks, partsMetadata,
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test.errs, fi, bucket, object, madmin.HealDeepScan)
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test.errs = newErrs
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if test._tamperBackend != noTamper {
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if tamperedIndex != -1 && availableDisks[tamperedIndex] != nil {
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t.Fatalf("Drive (%v) with part.1 missing is not a drive with available data",
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erasureDisks[tamperedIndex])
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}
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}
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})
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}
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|
}
|
|
|
|
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)
|
|
}
|
|
setObjectLayer(obj)
|
|
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.MakeBucket(ctx, "bucket", MakeBucketOptions{})
|
|
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)
|
|
}
|
|
|
|
fi, err := getLatestFileInfo(ctx, partsMetadata, s.defaultParityCount, errs)
|
|
if err != nil {
|
|
t.Fatalf("Failed to get quorum consistent fileInfo %v", err)
|
|
}
|
|
|
|
erasureDisks, _, _ = listOnlineDisks(erasureDisks, partsMetadata, errs, readQuorum)
|
|
|
|
filteredDisks, errs, _ := disksWithAllParts(ctx, erasureDisks, partsMetadata,
|
|
errs, fi, bucket, object, madmin.HealDeepScan)
|
|
|
|
if len(filteredDisks) != len(erasureDisks) {
|
|
t.Errorf("Unexpected number of drives: %d", len(filteredDisks))
|
|
}
|
|
|
|
for diskIndex, disk := range filteredDisks {
|
|
if errs[diskIndex] != nil {
|
|
t.Errorf("Unexpected error %s", errs[diskIndex])
|
|
}
|
|
|
|
if disk == nil {
|
|
t.Errorf("Drive erroneously filtered, driveIndex: %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, fi, bucket, object, madmin.HealDeepScan)
|
|
|
|
if len(filteredDisks) != len(erasureDisks) {
|
|
t.Errorf("Unexpected number of drives: %d", len(filteredDisks))
|
|
}
|
|
for diskIndex, disk := range filteredDisks {
|
|
if diskIndex == 0 && disk != nil {
|
|
t.Errorf("Drive not filtered as expected, drive: %d", diskIndex)
|
|
}
|
|
if diskIndex != 0 && disk == nil {
|
|
t.Errorf("Drive erroneously filtered, driveIndex: %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, fi, bucket, object, madmin.HealDeepScan)
|
|
|
|
if len(filteredDisks) != len(erasureDisks) {
|
|
t.Errorf("Unexpected number of drives: %d", len(filteredDisks))
|
|
}
|
|
for diskIndex, disk := range filteredDisks {
|
|
if diskIndex == 1 && disk != nil {
|
|
t.Errorf("Drive not filtered as expected, drive: %d", diskIndex)
|
|
}
|
|
if diskIndex != 1 && disk == nil {
|
|
t.Errorf("Drive erroneously filtered, driveIndex: %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, fi, bucket, object, madmin.HealDeepScan)
|
|
|
|
if len(filteredDisks) != len(erasureDisks) {
|
|
t.Errorf("Unexpected number of drives: %d", len(filteredDisks))
|
|
}
|
|
|
|
for diskIndex, disk := range filteredDisks {
|
|
if _, ok := diskFailures[diskIndex]; ok {
|
|
if disk != nil {
|
|
t.Errorf("Drive not filtered as expected, drive: %d", diskIndex)
|
|
}
|
|
if errs[diskIndex] == nil {
|
|
t.Errorf("Expected error not received, driveIndex: %d", diskIndex)
|
|
}
|
|
} else {
|
|
if disk == nil {
|
|
t.Errorf("Drive erroneously filtered, driveIndex: %d", diskIndex)
|
|
}
|
|
if errs[diskIndex] != nil {
|
|
t.Errorf("Unexpected error, %s, driveIndex: %d", errs[diskIndex], diskIndex)
|
|
}
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestCommonParities(t *testing.T) {
|
|
// This test uses two FileInfo values that represent the same object but
|
|
// have different parities. They occur in equal number of drives, but only
|
|
// one has read quorum. commonParity should pick the parity corresponding to
|
|
// the FileInfo which has read quorum.
|
|
fi1 := FileInfo{
|
|
Volume: "mybucket",
|
|
Name: "myobject",
|
|
VersionID: "",
|
|
IsLatest: true,
|
|
Deleted: false,
|
|
ExpireRestored: false,
|
|
DataDir: "4a01d9dd-0c5e-4103-88f8-b307c57d212e",
|
|
XLV1: false,
|
|
ModTime: time.Date(2023, time.March, 15, 11, 18, 4, 989906961, time.UTC),
|
|
Size: 329289, Mode: 0x0, WrittenByVersion: 0x63c77756,
|
|
Metadata: map[string]string{
|
|
"content-type": "application/octet-stream", "etag": "f205307ef9f50594c4b86d9c246bee86", "x-minio-internal-erasure-upgraded": "5->6", "x-minio-internal-inline-data": "true",
|
|
},
|
|
Parts: []ObjectPartInfo{
|
|
{
|
|
ETag: "",
|
|
Number: 1,
|
|
Size: 329289,
|
|
ActualSize: 329289,
|
|
ModTime: time.Date(1, time.January, 1, 0, 0, 0, 0, time.UTC),
|
|
Index: []uint8(nil),
|
|
Checksums: map[string]string(nil),
|
|
},
|
|
},
|
|
Erasure: ErasureInfo{
|
|
Algorithm: "ReedSolomon",
|
|
DataBlocks: 6,
|
|
ParityBlocks: 6,
|
|
BlockSize: 1048576,
|
|
Index: 1,
|
|
Distribution: []int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12},
|
|
Checksums: []ChecksumInfo{{PartNumber: 1, Algorithm: 0x3, Hash: []uint8{}}},
|
|
},
|
|
NumVersions: 1,
|
|
Idx: 0,
|
|
}
|
|
|
|
fi2 := FileInfo{
|
|
Volume: "mybucket",
|
|
Name: "myobject",
|
|
VersionID: "",
|
|
IsLatest: true,
|
|
Deleted: false,
|
|
DataDir: "6f5c106d-9d28-4c85-a7f4-eac56225876b",
|
|
ModTime: time.Date(2023, time.March, 15, 19, 57, 30, 492530160, time.UTC),
|
|
Size: 329289,
|
|
Mode: 0x0,
|
|
WrittenByVersion: 0x63c77756,
|
|
Metadata: map[string]string{"content-type": "application/octet-stream", "etag": "f205307ef9f50594c4b86d9c246bee86", "x-minio-internal-inline-data": "true"},
|
|
Parts: []ObjectPartInfo{
|
|
{
|
|
ETag: "",
|
|
Number: 1,
|
|
Size: 329289,
|
|
ActualSize: 329289,
|
|
ModTime: time.Date(1, time.January, 1, 0, 0, 0, 0, time.UTC),
|
|
Index: []uint8(nil),
|
|
Checksums: map[string]string(nil),
|
|
},
|
|
},
|
|
Erasure: ErasureInfo{
|
|
Algorithm: "ReedSolomon",
|
|
DataBlocks: 7,
|
|
ParityBlocks: 5,
|
|
BlockSize: 1048576,
|
|
Index: 2,
|
|
Distribution: []int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12},
|
|
Checksums: []ChecksumInfo{
|
|
{PartNumber: 1, Algorithm: 0x3, Hash: []uint8{}},
|
|
},
|
|
},
|
|
NumVersions: 1,
|
|
Idx: 0,
|
|
}
|
|
|
|
fiDel := FileInfo{
|
|
Volume: "mybucket",
|
|
Name: "myobject",
|
|
VersionID: "",
|
|
IsLatest: true,
|
|
Deleted: true,
|
|
ModTime: time.Date(2023, time.March, 15, 19, 57, 30, 492530160, time.UTC),
|
|
Mode: 0x0,
|
|
WrittenByVersion: 0x63c77756,
|
|
NumVersions: 1,
|
|
Idx: 0,
|
|
}
|
|
|
|
tests := []struct {
|
|
fi1, fi2 FileInfo
|
|
}{
|
|
{
|
|
fi1: fi1,
|
|
fi2: fi2,
|
|
},
|
|
{
|
|
fi1: fi1,
|
|
fi2: fiDel,
|
|
},
|
|
}
|
|
for idx, test := range tests {
|
|
var metaArr []FileInfo
|
|
for i := 0; i < 12; i++ {
|
|
fi := test.fi1
|
|
if i%2 == 0 {
|
|
fi = test.fi2
|
|
}
|
|
metaArr = append(metaArr, fi)
|
|
}
|
|
|
|
parities := listObjectParities(metaArr, make([]error, len(metaArr)))
|
|
parity := commonParity(parities, 5)
|
|
var match int
|
|
for _, fi := range metaArr {
|
|
if fi.Erasure.ParityBlocks == parity {
|
|
match++
|
|
}
|
|
}
|
|
if match < len(metaArr)-parity {
|
|
t.Fatalf("Test %d: Expected %d drives with parity=%d, but got %d", idx, len(metaArr)-parity, parity, match)
|
|
}
|
|
}
|
|
}
|