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Copy pathdata-usage_test.go
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635 lines (608 loc) · 14.2 KB
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// 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"
"encoding/json"
"fmt"
"io/ioutil"
"os"
"path"
"path/filepath"
"testing"
)
type usageTestFile struct {
name string
size int
}
func TestDataUsageUpdate(t *testing.T) {
base, err := ioutil.TempDir("", "TestDataUsageUpdate")
if err != nil {
t.Skip(err)
}
const bucket = "bucket"
defer os.RemoveAll(base)
var files = []usageTestFile{
{name: "rootfile", size: 10000},
{name: "rootfile2", size: 10000},
{name: "dir1/d1file", size: 2000},
{name: "dir2/d2file", size: 300},
{name: "dir1/dira/dafile", size: 100000},
{name: "dir1/dira/dbfile", size: 200000},
{name: "dir1/dira/dirasub/dcfile", size: 1000000},
{name: "dir1/dira/dirasub/sublevel3/dccccfile", size: 10},
}
createUsageTestFiles(t, base, bucket, files)
getSize := func(item scannerItem) (sizeS sizeSummary, err error) {
if item.Typ&os.ModeDir == 0 {
var s os.FileInfo
s, err = os.Stat(item.Path)
if err != nil {
return
}
sizeS.totalSize = s.Size()
sizeS.versions++
return sizeS, nil
}
return
}
got, err := scanDataFolder(context.Background(), base, dataUsageCache{Info: dataUsageCacheInfo{Name: bucket}}, getSize)
if err != nil {
t.Fatal(err)
}
// Test dirs
var want = []struct {
path string
isNil bool
size, objs int
flatten bool
oSizes sizeHistogram
}{
{
path: "/",
size: 1322310,
flatten: true,
objs: 8,
oSizes: sizeHistogram{0: 2, 1: 6},
},
{
path: "/",
size: 20000,
objs: 2,
oSizes: sizeHistogram{1: 2},
},
{
path: "/dir1",
size: 1302010,
objs: 5,
oSizes: sizeHistogram{0: 1, 1: 4},
},
{
path: "/dir1/dira",
isNil: true,
},
{
path: "/nonexistying",
isNil: true,
},
}
for _, w := range want {
p := path.Join(bucket, w.path)
t.Run(p, func(t *testing.T) {
e := got.find(p)
if w.isNil {
if e != nil {
t.Error("want nil, got", e)
}
return
}
if e == nil {
t.Fatal("got nil result")
}
if w.flatten {
*e = got.flatten(*e)
}
if e.Size != int64(w.size) {
t.Error("got size", e.Size, "want", w.size)
}
if e.Objects != uint64(w.objs) {
t.Error("got objects", e.Objects, "want", w.objs)
}
if e.Versions != uint64(w.objs) {
t.Error("got versions", e.Versions, "want", w.objs)
}
if e.ObjSizes != w.oSizes {
t.Error("got histogram", e.ObjSizes, "want", w.oSizes)
}
})
}
files = []usageTestFile{
{
name: "newfolder/afile",
size: 4,
},
{
name: "newfolder/anotherone",
size: 1,
},
{
name: "newfolder/anemptyone",
size: 0,
},
{
name: "dir1/fileindir1",
size: 20000,
},
{
name: "dir1/dirc/fileindirc",
size: 20000,
},
{
name: "rootfile3",
size: 1000,
},
{
name: "dir1/dira/dirasub/fileindira2",
size: 200,
},
}
createUsageTestFiles(t, base, bucket, files)
err = os.RemoveAll(filepath.Join(base, bucket, "dir1/dira/dirasub/dcfile"))
if err != nil {
t.Fatal(err)
}
// Changed dir must be picked up in this many cycles.
for i := 0; i < dataUsageUpdateDirCycles; i++ {
got, err = scanDataFolder(context.Background(), base, got, getSize)
got.Info.NextCycle++
if err != nil {
t.Fatal(err)
}
}
want = []struct {
path string
isNil bool
size, objs int
flatten bool
oSizes sizeHistogram
}{
{
path: "/",
size: 363515,
flatten: true,
objs: 14,
oSizes: sizeHistogram{0: 7, 1: 7},
},
{
path: "/dir1",
size: 342210,
objs: 7,
flatten: false,
oSizes: sizeHistogram{0: 2, 1: 5},
},
{
path: "/newfolder",
size: 5,
objs: 3,
oSizes: sizeHistogram{0: 3},
},
{
path: "/nonexistying",
isNil: true,
},
}
for _, w := range want {
p := path.Join(bucket, w.path)
t.Run(p, func(t *testing.T) {
e := got.find(p)
if w.isNil {
if e != nil {
t.Error("want nil, got", e)
}
return
}
if e == nil {
t.Fatal("got nil result")
}
if w.flatten {
*e = got.flatten(*e)
}
if e.Size != int64(w.size) {
t.Error("got size", e.Size, "want", w.size)
}
if e.Objects != uint64(w.objs) {
t.Error("got objects", e.Objects, "want", w.objs)
}
if e.Versions != uint64(w.objs) {
t.Error("got versions", e.Versions, "want", w.objs)
}
if e.ObjSizes != w.oSizes {
t.Error("got histogram", e.ObjSizes, "want", w.oSizes)
}
})
}
}
func TestDataUsageUpdatePrefix(t *testing.T) {
base, err := ioutil.TempDir("", "TestDataUpdateUsagePrefix")
if err != nil {
t.Skip(err)
}
scannerSleeper.Update(0, 0)
defer os.RemoveAll(base)
var files = []usageTestFile{
{name: "bucket/rootfile", size: 10000},
{name: "bucket/rootfile2", size: 10000},
{name: "bucket/dir1/d1file", size: 2000},
{name: "bucket/dir2/d2file", size: 300},
{name: "bucket/dir1/dira/dafile", size: 100000},
{name: "bucket/dir1/dira/dbfile", size: 200000},
{name: "bucket/dir1/dira/dirasub/dcfile", size: 1000000},
{name: "bucket/dir1/dira/dirasub/sublevel3/dccccfile", size: 10},
}
createUsageTestFiles(t, base, "", files)
const foldersBelow = 3
const filesBelowT = dataScannerCompactLeastObject / 2
const filesAboveT = dataScannerCompactAtFolders + 1
const expectSize = foldersBelow*filesBelowT + filesAboveT
generateUsageTestFiles(t, base, "bucket/dirwithalot", foldersBelow, filesBelowT, 1)
generateUsageTestFiles(t, base, "bucket/dirwithevenmore", filesAboveT, 1, 1)
getSize := func(item scannerItem) (sizeS sizeSummary, err error) {
if item.Typ&os.ModeDir == 0 {
var s os.FileInfo
s, err = os.Stat(item.Path)
if err != nil {
return
}
sizeS.totalSize = s.Size()
sizeS.versions++
return
}
return
}
got, err := scanDataFolder(context.Background(), base, dataUsageCache{Info: dataUsageCacheInfo{Name: "bucket"}}, getSize)
if err != nil {
t.Fatal(err)
}
if got.root() == nil {
t.Log("cached folders:")
for folder := range got.Cache {
t.Log("folder:", folder)
}
t.Fatal("got nil root.")
}
// Test dirs
var want = []struct {
path string
isNil bool
size, objs int
oSizes sizeHistogram
}{
{
path: "flat",
size: 1322310 + expectSize,
objs: 8 + expectSize,
oSizes: sizeHistogram{0: 2 + expectSize, 1: 6},
},
{
path: "bucket/",
size: 20000,
objs: 2,
oSizes: sizeHistogram{1: 2},
},
{
// Gets compacted...
path: "bucket/dir1",
size: 1302010,
objs: 5,
oSizes: sizeHistogram{0: 1, 1: 4},
},
{
// Gets compacted at this level...
path: "bucket/dirwithalot/0",
size: filesBelowT,
objs: filesBelowT,
oSizes: sizeHistogram{0: filesBelowT},
},
{
// Gets compacted at this level (below obj threshold)...
path: "bucket/dirwithalot/0",
size: filesBelowT,
objs: filesBelowT,
oSizes: sizeHistogram{0: filesBelowT},
},
{
// Gets compacted at this level...
path: "bucket/dirwithevenmore",
size: filesAboveT,
objs: filesAboveT,
oSizes: sizeHistogram{0: filesAboveT},
},
{
path: "bucket/nonexistying",
isNil: true,
},
}
for _, w := range want {
t.Run(w.path, func(t *testing.T) {
e := got.find(w.path)
if w.path == "flat" {
f := got.flatten(*got.root())
e = &f
}
if w.isNil {
if e != nil {
t.Error("want nil, got", e)
}
return
}
if e == nil {
t.Fatal("got nil result")
}
if e.Size != int64(w.size) {
t.Error("got size", e.Size, "want", w.size)
}
if e.Objects != uint64(w.objs) {
t.Error("got objects", e.Objects, "want", w.objs)
}
if e.Versions != uint64(w.objs) {
t.Error("got versions", e.Versions, "want", w.objs)
}
if e.ObjSizes != w.oSizes {
t.Error("got histogram", e.ObjSizes, "want", w.oSizes)
}
})
}
files = []usageTestFile{
{
name: "bucket/newfolder/afile",
size: 4,
},
{
name: "bucket/newfolder/anotherone",
size: 1,
},
{
name: "bucket/newfolder/anemptyone",
size: 0,
},
{
name: "bucket/dir1/fileindir1",
size: 20000,
},
{
name: "bucket/dir1/dirc/fileindirc",
size: 20000,
},
{
name: "bucket/rootfile3",
size: 1000,
},
{
name: "bucket/dir1/dira/dirasub/fileindira2",
size: 200,
},
}
createUsageTestFiles(t, base, "", files)
err = os.RemoveAll(filepath.Join(base, "bucket/dir1/dira/dirasub/dcfile"))
if err != nil {
t.Fatal(err)
}
// Changed dir must be picked up in this many cycles.
for i := 0; i < dataUsageUpdateDirCycles; i++ {
got, err = scanDataFolder(context.Background(), base, got, getSize)
got.Info.NextCycle++
if err != nil {
t.Fatal(err)
}
}
want = []struct {
path string
isNil bool
size, objs int
oSizes sizeHistogram
}{
{
path: "flat",
size: 363515 + expectSize,
objs: 14 + expectSize,
oSizes: sizeHistogram{0: 7 + expectSize, 1: 7},
},
{
path: "bucket/dir1",
size: 342210,
objs: 7,
oSizes: sizeHistogram{0: 2, 1: 5},
},
{
path: "bucket/",
size: 21000,
objs: 3,
oSizes: sizeHistogram{0: 1, 1: 2},
},
{
path: "bucket/newfolder",
size: 5,
objs: 3,
oSizes: sizeHistogram{0: 3},
},
{
// Compacted into bucket/dir1
path: "bucket/dir1/dira",
isNil: true,
},
{
path: "bucket/nonexistying",
isNil: true,
},
}
for _, w := range want {
t.Run(w.path, func(t *testing.T) {
e := got.find(w.path)
if w.path == "flat" {
f := got.flatten(*got.root())
e = &f
}
if w.isNil {
if e != nil {
t.Error("want nil, got", e)
}
return
}
if e == nil {
t.Error("got nil result")
return
}
if e.Size != int64(w.size) {
t.Error("got size", e.Size, "want", w.size)
}
if e.Objects != uint64(w.objs) {
t.Error("got objects", e.Objects, "want", w.objs)
}
if e.Versions != uint64(w.objs) {
t.Error("got versions", e.Versions, "want", w.objs)
}
if e.ObjSizes != w.oSizes {
t.Error("got histogram", e.ObjSizes, "want", w.oSizes)
}
})
}
}
func createUsageTestFiles(t *testing.T, base, bucket string, files []usageTestFile) {
for _, f := range files {
err := os.MkdirAll(filepath.Dir(filepath.Join(base, bucket, f.name)), os.ModePerm)
if err != nil {
t.Fatal(err)
}
err = ioutil.WriteFile(filepath.Join(base, bucket, f.name), make([]byte, f.size), os.ModePerm)
if err != nil {
t.Fatal(err)
}
}
}
// generateUsageTestFiles create nFolders * nFiles files of size bytes each.
func generateUsageTestFiles(t *testing.T, base, bucket string, nFolders, nFiles, size int) {
pl := make([]byte, size)
for i := 0; i < nFolders; i++ {
name := filepath.Join(base, bucket, fmt.Sprint(i), "0.txt")
err := os.MkdirAll(filepath.Dir(name), os.ModePerm)
if err != nil {
t.Fatal(err)
}
for j := 0; j < nFiles; j++ {
name := filepath.Join(base, bucket, fmt.Sprint(i), fmt.Sprint(j)+".txt")
err = ioutil.WriteFile(name, pl, os.ModePerm)
if err != nil {
t.Fatal(err)
}
}
}
}
func TestDataUsageCacheSerialize(t *testing.T) {
base, err := ioutil.TempDir("", "TestDataUsageCacheSerialize")
if err != nil {
t.Skip(err)
}
const bucket = "abucket"
defer os.RemoveAll(base)
var files = []usageTestFile{
{name: "rootfile", size: 10000},
{name: "rootfile2", size: 10000},
{name: "dir1/d1file", size: 2000},
{name: "dir2/d2file", size: 300},
{name: "dir2/d2file2", size: 300},
{name: "dir2/d2file3/", size: 300},
{name: "dir2/d2file4/", size: 300},
{name: "dir2/d2file5", size: 300},
{name: "dir1/dira/dafile", size: 100000},
{name: "dir1/dira/dbfile", size: 200000},
{name: "dir1/dira/dirasub/dcfile", size: 1000000},
{name: "dir1/dira/dirasub/sublevel3/dccccfile", size: 10},
{name: "dir1/dira/dirasub/sublevel3/dccccfile20", size: 20},
{name: "dir1/dira/dirasub/sublevel3/dccccfile30", size: 30},
{name: "dir1/dira/dirasub/sublevel3/dccccfile40", size: 40},
}
createUsageTestFiles(t, base, bucket, files)
getSize := func(item scannerItem) (sizeS sizeSummary, err error) {
if item.Typ&os.ModeDir == 0 {
var s os.FileInfo
s, err = os.Stat(item.Path)
if err != nil {
return
}
sizeS.versions++
sizeS.totalSize = s.Size()
return
}
return
}
want, err := scanDataFolder(context.Background(), base, dataUsageCache{Info: dataUsageCacheInfo{Name: bucket}}, getSize)
if err != nil {
t.Fatal(err)
}
e := want.find("abucket/dir2")
e.ReplicationStats = &replicationAllStats{
Targets: map[string]replicationStats{
"arn": {
PendingSize: 1,
ReplicatedSize: 2,
FailedSize: 3,
FailedCount: 5,
PendingCount: 6,
},
},
}
want.replace("abucket/dir2", "", *e)
var buf bytes.Buffer
err = want.serializeTo(&buf)
if err != nil {
t.Fatal(err)
}
t.Log("serialized size:", buf.Len(), "bytes")
var got dataUsageCache
err = got.deserialize(&buf)
if err != nil {
t.Fatal(err)
}
if got.Info.LastUpdate.IsZero() {
t.Error("lastupdate not set")
}
if !want.Info.LastUpdate.Equal(got.Info.LastUpdate) {
t.Fatalf("deserialize LastUpdate mismatch\nwant: %+v\ngot: %+v", want, got)
}
if len(want.Cache) != len(got.Cache) {
t.Errorf("deserialize mismatch length\nwant: %+v\ngot: %+v", len(want.Cache), len(got.Cache))
}
for wkey, wval := range want.Cache {
gotv := got.Cache[wkey]
if !equalAsJSON(gotv, wval) {
t.Errorf("deserialize mismatch, key %v\nwant: %#v\ngot: %#v", wkey, wval, gotv)
}
}
}
// equalAsJSON returns whether the values are equal when encoded as JSON.
func equalAsJSON(a, b interface{}) bool {
aj, err := json.Marshal(a)
if err != nil {
panic(err)
}
bj, err := json.Marshal(b)
if err != nil {
panic(err)
}
return bytes.Equal(aj, bj)
}