mirror of
https://github.com/minio/minio.git
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371 lines
11 KiB
Go
371 lines
11 KiB
Go
/*
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* MinIO Cloud Storage, (C) 2016, 2017 MinIO, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cmd
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import (
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"bytes"
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"path/filepath"
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"testing"
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"github.com/minio/minio/pkg/madmin"
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)
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// Tests undoes and validates if the undoing completes successfully.
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func TestUndoMakeBucket(t *testing.T) {
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nDisks := 16
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fsDirs, err := getRandomDisks(nDisks)
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if err != nil {
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t.Fatal(err)
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}
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defer removeRoots(fsDirs)
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// Remove format.json on 16 disks.
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obj, _, err := initObjectLayer(mustGetZoneEndpoints(fsDirs...))
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if err != nil {
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t.Fatal(err)
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}
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bucketName := getRandomBucketName()
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if err = obj.MakeBucketWithLocation(GlobalContext, bucketName, ""); err != nil {
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t.Fatal(err)
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}
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z := obj.(*xlZones)
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xl := z.zones[0].sets[0]
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undoMakeBucket(xl.getDisks(), bucketName)
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// Validate if bucket was deleted properly.
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_, err = obj.GetBucketInfo(GlobalContext, bucketName)
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if err != nil {
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switch err.(type) {
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case BucketNotFound:
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default:
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t.Fatal(err)
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}
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}
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}
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func TestHealObjectCorrupted(t *testing.T) {
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resetGlobalHealState()
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defer resetGlobalHealState()
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nDisks := 16
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fsDirs, err := getRandomDisks(nDisks)
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if err != nil {
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t.Fatal(err)
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}
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defer removeRoots(fsDirs)
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// Everything is fine, should return nil
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objLayer, _, err := initObjectLayer(mustGetZoneEndpoints(fsDirs...))
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if err != nil {
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t.Fatal(err)
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}
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bucket := "bucket"
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object := "object"
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data := bytes.Repeat([]byte("a"), 5*1024*1024)
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var opts ObjectOptions
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err = objLayer.MakeBucketWithLocation(GlobalContext, bucket, "")
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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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// Create an object with multiple parts uploaded in decreasing
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// part number.
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uploadID, err := objLayer.NewMultipartUpload(GlobalContext, bucket, object, opts)
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if err != nil {
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t.Fatalf("Failed to create a multipart upload - %v", err)
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}
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var uploadedParts []CompletePart
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for _, partID := range []int{2, 1} {
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pInfo, err1 := objLayer.PutObjectPart(GlobalContext, bucket, object, uploadID, partID, mustGetPutObjReader(t, bytes.NewReader(data), int64(len(data)), "", ""), opts)
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if err1 != nil {
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t.Fatalf("Failed to upload a part - %v", err1)
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}
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uploadedParts = append(uploadedParts, CompletePart{
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PartNumber: pInfo.PartNumber,
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ETag: pInfo.ETag,
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})
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}
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_, err = objLayer.CompleteMultipartUpload(GlobalContext, bucket, object, uploadID, uploadedParts, ObjectOptions{})
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if err != nil {
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t.Fatalf("Failed to complete multipart upload - %v", err)
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}
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// Test 1: Remove the object backend files from the first disk.
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z := objLayer.(*xlZones)
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xl := z.zones[0].sets[0]
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firstDisk := xl.getDisks()[0]
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err = firstDisk.DeleteFile(bucket, filepath.Join(object, xlMetaJSONFile))
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if err != nil {
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t.Fatalf("Failed to delete a file - %v", err)
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}
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_, err = objLayer.HealObject(GlobalContext, bucket, object, madmin.HealOpts{ScanMode: madmin.HealNormalScan})
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if err != nil {
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t.Fatalf("Failed to heal object - %v", err)
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}
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_, err = firstDisk.StatFile(bucket, filepath.Join(object, xlMetaJSONFile))
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if err != nil {
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t.Errorf("Expected xl.json file to be present but stat failed - %v", err)
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}
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// Test 2: Heal when part.1 is empty
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partSt1, err := firstDisk.StatFile(bucket, filepath.Join(object, "part.1"))
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if err != nil {
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t.Errorf("Expected part.1 file to be present but stat failed - %v", err)
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}
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err = firstDisk.DeleteFile(bucket, filepath.Join(object, "part.1"))
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if err != nil {
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t.Errorf("Failure during deleting part.1 - %v", err)
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}
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err = firstDisk.WriteAll(bucket, filepath.Join(object, "part.1"), bytes.NewReader([]byte{}))
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if err != nil {
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t.Errorf("Failure during creating part.1 - %v", err)
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}
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_, err = objLayer.HealObject(GlobalContext, bucket, object, madmin.HealOpts{DryRun: false, Remove: true, ScanMode: madmin.HealDeepScan})
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if err != nil {
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t.Errorf("Expected nil but received %v", err)
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}
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partSt2, err := firstDisk.StatFile(bucket, filepath.Join(object, "part.1"))
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if err != nil {
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t.Errorf("Expected from part.1 file to be present but stat failed - %v", err)
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}
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if partSt1.Size != partSt2.Size {
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t.Errorf("part.1 file size is not the same before and after heal")
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}
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// Test 3: Heal when part.1 is correct in size but corrupted
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partSt1, err = firstDisk.StatFile(bucket, filepath.Join(object, "part.1"))
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if err != nil {
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t.Errorf("Expected part.1 file to be present but stat failed - %v", err)
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}
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err = firstDisk.DeleteFile(bucket, filepath.Join(object, "part.1"))
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if err != nil {
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t.Errorf("Failure during deleting part.1 - %v", err)
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}
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bdata := bytes.Repeat([]byte("b"), int(partSt1.Size))
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err = firstDisk.WriteAll(bucket, filepath.Join(object, "part.1"), bytes.NewReader(bdata))
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if err != nil {
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t.Errorf("Failure during creating part.1 - %v", err)
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}
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_, err = objLayer.HealObject(GlobalContext, bucket, object, madmin.HealOpts{DryRun: false, Remove: true, ScanMode: madmin.HealDeepScan})
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if err != nil {
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t.Errorf("Expected nil but received %v", err)
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}
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partSt2, err = firstDisk.StatFile(bucket, filepath.Join(object, "part.1"))
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if err != nil {
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t.Errorf("Expected from part.1 file to be present but stat failed - %v", err)
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}
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if partSt1.Size != partSt2.Size {
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t.Errorf("part.1 file size is not the same before and after heal")
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}
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// Test 4: checks if HealObject returns an error when xl.json is not found
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// in more than read quorum number of disks, to create a corrupted situation.
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for i := 0; i <= len(xl.getDisks())/2; i++ {
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xl.getDisks()[i].DeleteFile(bucket, filepath.Join(object, xlMetaJSONFile))
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}
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// Try healing now, expect to receive errFileNotFound.
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_, err = objLayer.HealObject(GlobalContext, bucket, object, madmin.HealOpts{DryRun: false, Remove: true, ScanMode: madmin.HealDeepScan})
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if err != nil {
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if _, ok := err.(ObjectNotFound); !ok {
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t.Errorf("Expect %v but received %v", ObjectNotFound{Bucket: bucket, Object: object}, err)
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}
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}
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// since majority of xl.jsons are not available, object should be successfully deleted.
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_, err = objLayer.GetObjectInfo(GlobalContext, bucket, object, ObjectOptions{})
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if _, ok := err.(ObjectNotFound); !ok {
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t.Errorf("Expect %v but received %v", ObjectNotFound{Bucket: bucket, Object: object}, err)
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}
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}
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// Tests healing of object.
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func TestHealObjectXL(t *testing.T) {
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nDisks := 16
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fsDirs, err := getRandomDisks(nDisks)
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if err != nil {
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t.Fatal(err)
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}
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defer removeRoots(fsDirs)
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// Everything is fine, should return nil
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obj, _, err := initObjectLayer(mustGetZoneEndpoints(fsDirs...))
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if err != nil {
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t.Fatal(err)
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}
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bucket := "bucket"
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object := "object"
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data := bytes.Repeat([]byte("a"), 5*1024*1024)
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var opts ObjectOptions
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err = obj.MakeBucketWithLocation(GlobalContext, bucket, "")
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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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// Create an object with multiple parts uploaded in decreasing
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// part number.
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uploadID, err := obj.NewMultipartUpload(GlobalContext, bucket, object, opts)
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if err != nil {
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t.Fatalf("Failed to create a multipart upload - %v", err)
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}
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var uploadedParts []CompletePart
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for _, partID := range []int{2, 1} {
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pInfo, err1 := obj.PutObjectPart(GlobalContext, bucket, object, uploadID, partID, mustGetPutObjReader(t, bytes.NewReader(data), int64(len(data)), "", ""), opts)
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if err1 != nil {
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t.Fatalf("Failed to upload a part - %v", err1)
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}
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uploadedParts = append(uploadedParts, CompletePart{
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PartNumber: pInfo.PartNumber,
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ETag: pInfo.ETag,
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})
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}
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_, err = obj.CompleteMultipartUpload(GlobalContext, bucket, object, uploadID, uploadedParts, ObjectOptions{})
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if err != nil {
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t.Fatalf("Failed to complete multipart upload - %v", err)
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}
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// Remove the object backend files from the first disk.
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z := obj.(*xlZones)
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xl := z.zones[0].sets[0]
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firstDisk := xl.getDisks()[0]
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err = firstDisk.DeleteFile(bucket, filepath.Join(object, xlMetaJSONFile))
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if err != nil {
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t.Fatalf("Failed to delete a file - %v", err)
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}
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_, err = obj.HealObject(GlobalContext, bucket, object, madmin.HealOpts{ScanMode: madmin.HealNormalScan})
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if err != nil {
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t.Fatalf("Failed to heal object - %v", err)
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}
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_, err = firstDisk.StatFile(bucket, filepath.Join(object, xlMetaJSONFile))
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if err != nil {
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t.Errorf("Expected xl.json file to be present but stat failed - %v", err)
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}
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xlDisks := xl.getDisks()
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z.zones[0].xlDisksMu.Lock()
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xl.getDisks = func() []StorageAPI {
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// Nil more than half the disks, to remove write quorum.
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for i := 0; i <= len(xlDisks)/2; i++ {
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xlDisks[i] = nil
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}
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return xlDisks
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}
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z.zones[0].xlDisksMu.Unlock()
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// Try healing now, expect to receive errDiskNotFound.
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_, err = obj.HealObject(GlobalContext, bucket, object, madmin.HealOpts{ScanMode: madmin.HealDeepScan})
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// since majority of xl.jsons are not available, object quorum can't be read properly and error will be errXLReadQuorum
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if _, ok := err.(InsufficientReadQuorum); !ok {
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t.Errorf("Expected %v but received %v", InsufficientReadQuorum{}, err)
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}
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}
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// Tests healing of empty directories
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func TestHealEmptyDirectoryXL(t *testing.T) {
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nDisks := 16
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fsDirs, err := getRandomDisks(nDisks)
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if err != nil {
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t.Fatal(err)
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}
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defer removeRoots(fsDirs)
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// Everything is fine, should return nil
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obj, _, err := initObjectLayer(mustGetZoneEndpoints(fsDirs...))
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if err != nil {
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t.Fatal(err)
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}
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bucket := "bucket"
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object := "empty-dir/"
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var opts ObjectOptions
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err = obj.MakeBucketWithLocation(GlobalContext, bucket, "")
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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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// Upload an empty directory
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_, err = obj.PutObject(GlobalContext, bucket, object, mustGetPutObjReader(t,
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bytes.NewReader([]byte{}), 0, "", ""), opts)
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if err != nil {
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t.Fatal(err)
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}
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// Remove the object backend files from the first disk.
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z := obj.(*xlZones)
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xl := z.zones[0].sets[0]
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firstDisk := xl.getDisks()[0]
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err = firstDisk.DeleteFile(bucket, object)
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if err != nil {
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t.Fatalf("Failed to delete a file - %v", err)
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}
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// Heal the object
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hr, err := obj.HealObject(GlobalContext, bucket, object, madmin.HealOpts{ScanMode: madmin.HealNormalScan})
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if err != nil {
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t.Fatalf("Failed to heal object - %v", err)
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}
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// Check if the empty directory is restored in the first disk
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_, err = firstDisk.StatVol(pathJoin(bucket, object))
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if err != nil {
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t.Fatalf("Expected object to be present but stat failed - %v", err)
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}
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// Check the state of the object in the first disk (should be missing)
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if hr.Before.Drives[0].State != madmin.DriveStateMissing {
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t.Fatalf("Unexpected drive state: %v", hr.Before.Drives[0].State)
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}
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// Check the state of all other disks (should be ok)
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for i, h := range append(hr.Before.Drives[1:], hr.After.Drives...) {
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if h.State != madmin.DriveStateOk {
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t.Fatalf("Unexpected drive state (%d): %v", i+1, h.State)
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}
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}
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// Heal the same object again
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hr, err = obj.HealObject(GlobalContext, bucket, object, madmin.HealOpts{ScanMode: madmin.HealNormalScan})
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if err != nil {
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t.Fatalf("Failed to heal object - %v", err)
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}
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// Check that Before & After states are all okay
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for i, h := range append(hr.Before.Drives, hr.After.Drives...) {
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if h.State != madmin.DriveStateOk {
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t.Fatalf("Unexpected drive state (%d): %v", i+1, h.State)
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}
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}
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}
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