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1d8a8c63db
Verify() was being called by caller after the data has been successfully read after io.EOF. This disconnection opens a race under concurrent access to such an object. Verification is not necessary outside of Read() call, we can simply just do checksum verification right inside Read() call at io.EOF. This approach simplifies the usage.
371 lines
10 KiB
Go
371 lines
10 KiB
Go
/*
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* Minio Cloud Storage, (C) 2016 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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"io/ioutil"
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"math/rand"
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"os"
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"path"
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"reflect"
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"testing"
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"time"
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humanize "github.com/dustin/go-humanize"
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)
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func TestRepeatPutObjectPart(t *testing.T) {
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var objLayer ObjectLayer
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var disks []string
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var err error
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objLayer, disks, err = prepareXL()
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if err != nil {
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t.Fatal(err)
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}
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// cleaning up of temporary test directories
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defer removeRoots(disks)
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err = objLayer.MakeBucketWithLocation("bucket1", "")
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if err != nil {
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t.Fatal(err)
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}
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uploadID, err := objLayer.NewMultipartUpload("bucket1", "mpartObj1", nil)
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if err != nil {
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t.Fatal(err)
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}
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fiveMBBytes := bytes.Repeat([]byte("a"), 5*humanize.MiByte)
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md5Hex := getMD5Hash(fiveMBBytes)
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_, err = objLayer.PutObjectPart("bucket1", "mpartObj1", uploadID, 1, mustGetHashReader(t, bytes.NewReader(fiveMBBytes), 5*humanize.MiByte, md5Hex, ""))
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if err != nil {
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t.Fatal(err)
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}
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// PutObjectPart should succeed even if part already exists. ref: https://github.com/minio/minio/issues/1930
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_, err = objLayer.PutObjectPart("bucket1", "mpartObj1", uploadID, 1, mustGetHashReader(t, bytes.NewReader(fiveMBBytes), 5*humanize.MiByte, md5Hex, ""))
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if err != nil {
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t.Fatal(err)
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}
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}
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func TestXLDeleteObjectBasic(t *testing.T) {
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testCases := []struct {
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bucket string
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object string
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expectedErr error
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}{
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{".test", "obj", BucketNameInvalid{Bucket: ".test"}},
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{"----", "obj", BucketNameInvalid{Bucket: "----"}},
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{"bucket", "", ObjectNameInvalid{Bucket: "bucket", Object: ""}},
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{"bucket", "doesnotexist", ObjectNotFound{Bucket: "bucket", Object: "doesnotexist"}},
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{"bucket", "obj/", ObjectNotFound{Bucket: "bucket", Object: "obj/"}},
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{"bucket", "/obj", ObjectNotFound{Bucket: "bucket", Object: "/obj"}},
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{"bucket", "obj", nil},
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}
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// Create an instance of xl backend
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xl, fsDirs, err := prepareXL()
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if err != nil {
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t.Fatal(err)
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}
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// Make bucket for Test 7 to pass
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err = xl.MakeBucketWithLocation("bucket", "")
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if err != nil {
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t.Fatal(err)
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}
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// Create object "obj" under bucket "bucket" for Test 7 to pass
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_, err = xl.PutObject("bucket", "obj", mustGetHashReader(t, bytes.NewReader([]byte("abcd")), int64(len("abcd")), "", ""), nil)
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if err != nil {
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t.Fatalf("XL Object upload failed: <ERROR> %s", err)
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}
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for i, test := range testCases {
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actualErr := xl.DeleteObject(test.bucket, test.object)
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actualErr = errorCause(actualErr)
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if test.expectedErr != nil && actualErr != test.expectedErr {
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t.Errorf("Test %d: Expected to fail with %s, but failed with %s", i+1, test.expectedErr, actualErr)
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}
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if test.expectedErr == nil && actualErr != nil {
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t.Errorf("Test %d: Expected to pass, but failed with %s", i+1, actualErr)
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}
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}
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// Cleanup backend directories
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removeRoots(fsDirs)
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}
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func TestXLDeleteObjectDiskNotFound(t *testing.T) {
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// Create an instance of xl backend.
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obj, fsDirs, err := prepareXL()
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if err != nil {
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t.Fatal(err)
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}
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xl := obj.(*xlObjects)
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// Create "bucket"
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err = obj.MakeBucketWithLocation("bucket", "")
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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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// Create object "obj" under bucket "bucket".
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_, err = obj.PutObject(bucket, object, mustGetHashReader(t, bytes.NewReader([]byte("abcd")), int64(len("abcd")), "", ""), nil)
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if err != nil {
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t.Fatal(err)
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}
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// for a 16 disk setup, quorum is 9. To simulate disks not found yet
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// quorum is available, we remove disks leaving quorum disks behind.
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for i := range xl.storageDisks[:7] {
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xl.storageDisks[i] = newNaughtyDisk(xl.storageDisks[i].(*retryStorage), nil, errFaultyDisk)
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}
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err = obj.DeleteObject(bucket, object)
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if err != nil {
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t.Fatal(err)
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}
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// Create "obj" under "bucket".
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_, err = obj.PutObject(bucket, object, mustGetHashReader(t, bytes.NewReader([]byte("abcd")), int64(len("abcd")), "", ""), nil)
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if err != nil {
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t.Fatal(err)
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}
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// Remove one more disk to 'lose' quorum, by setting it to nil.
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xl.storageDisks[7] = nil
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xl.storageDisks[8] = nil
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err = obj.DeleteObject(bucket, object)
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err = errorCause(err)
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if err != toObjectErr(errXLWriteQuorum, bucket, object) {
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t.Errorf("Expected deleteObject to fail with %v, but failed with %v", toObjectErr(errXLWriteQuorum, bucket, object), err)
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}
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// Cleanup backend directories
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removeRoots(fsDirs)
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}
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func TestGetObjectNoQuorum(t *testing.T) {
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// Create an instance of xl backend.
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obj, fsDirs, err := prepareXL()
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if err != nil {
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t.Fatal(err)
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}
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xl := obj.(*xlObjects)
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// Create "bucket"
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err = obj.MakeBucketWithLocation("bucket", "")
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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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// Create "object" under "bucket".
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_, err = obj.PutObject(bucket, object, mustGetHashReader(t, bytes.NewReader([]byte("abcd")), int64(len("abcd")), "", ""), nil)
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if err != nil {
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t.Fatal(err)
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}
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// Disable caching to avoid returning early and not covering other code-paths
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xl.objCacheEnabled = false
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// Make 9 disks offline, which leaves less than quorum number of disks
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// in a 16 disk XL setup. The original disks are 'replaced' with
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// naughtyDisks that fail after 'f' successful StorageAPI method
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// invocations, where f - [0,2)
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for f := 0; f < 2; f++ {
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diskErrors := make(map[int]error)
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for i := 0; i <= f; i++ {
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diskErrors[i] = nil
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}
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for i := range xl.storageDisks[:9] {
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switch diskType := xl.storageDisks[i].(type) {
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case *retryStorage:
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xl.storageDisks[i] = newNaughtyDisk(diskType, diskErrors, errFaultyDisk)
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case *naughtyDisk:
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xl.storageDisks[i] = newNaughtyDisk(diskType.disk, diskErrors, errFaultyDisk)
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}
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}
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// Fetch object from store.
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err = xl.GetObject(bucket, object, 0, int64(len("abcd")), ioutil.Discard)
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err = errorCause(err)
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if err != toObjectErr(errXLReadQuorum, bucket, object) {
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t.Errorf("Expected putObject to fail with %v, but failed with %v", toObjectErr(errXLWriteQuorum, bucket, object), err)
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}
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}
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// Cleanup backend directories.
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removeRoots(fsDirs)
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}
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func TestPutObjectNoQuorum(t *testing.T) {
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// Create an instance of xl backend.
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obj, fsDirs, err := prepareXL()
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if err != nil {
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t.Fatal(err)
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}
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xl := obj.(*xlObjects)
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// Create "bucket"
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err = obj.MakeBucketWithLocation("bucket", "")
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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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// Create "object" under "bucket".
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_, err = obj.PutObject(bucket, object, mustGetHashReader(t, bytes.NewReader([]byte("abcd")), int64(len("abcd")), "", ""), nil)
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if err != nil {
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t.Fatal(err)
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}
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// Make 9 disks offline, which leaves less than quorum number of disks
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// in a 16 disk XL setup. The original disks are 'replaced' with
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// naughtyDisks that fail after 'f' successful StorageAPI method
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// invocations, where f - [0,3)
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for f := 0; f < 3; f++ {
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diskErrors := make(map[int]error)
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for i := 0; i <= f; i++ {
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diskErrors[i] = nil
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}
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for i := range xl.storageDisks[:9] {
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switch diskType := xl.storageDisks[i].(type) {
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case *retryStorage:
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xl.storageDisks[i] = newNaughtyDisk(diskType, diskErrors, errFaultyDisk)
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case *naughtyDisk:
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xl.storageDisks[i] = newNaughtyDisk(diskType.disk, diskErrors, errFaultyDisk)
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}
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}
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// Upload new content to same object "object"
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_, err = obj.PutObject(bucket, object, mustGetHashReader(t, bytes.NewReader([]byte("abcd")), int64(len("abcd")), "", ""), nil)
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err = errorCause(err)
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if err != toObjectErr(errXLWriteQuorum, bucket, object) {
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t.Errorf("Expected putObject to fail with %v, but failed with %v", toObjectErr(errXLWriteQuorum, bucket, object), err)
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}
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}
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// Cleanup backend directories.
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removeRoots(fsDirs)
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}
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// Tests both object and bucket healing.
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func TestHealing(t *testing.T) {
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rootPath, err := newTestConfig(globalMinioDefaultRegion)
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if err != nil {
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t.Fatalf("Failed to initialize test config %v", err)
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}
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defer os.RemoveAll(rootPath)
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obj, fsDirs, err := prepareXL()
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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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xl := obj.(*xlObjects)
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// Create "bucket"
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err = obj.MakeBucketWithLocation("bucket", "")
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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 := make([]byte, 1*humanize.MiByte)
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length := int64(len(data))
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_, err = rand.Read(data)
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if err != nil {
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t.Fatal(err)
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}
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_, err = obj.PutObject(bucket, object, mustGetHashReader(t, bytes.NewReader(data), length, "", ""), nil)
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if err != nil {
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t.Fatal(err)
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}
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disk := xl.storageDisks[0]
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xlMetaPreHeal, err := readXLMeta(disk, bucket, object)
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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 - to simulate the case where the disk was down when the object
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// was created.
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err = os.RemoveAll(path.Join(fsDirs[0], bucket, object))
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if err != nil {
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t.Fatal(err)
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}
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_, _, err = xl.HealObject(bucket, object)
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if err != nil {
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t.Fatal(err)
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}
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xlMetaPostHeal, err := readXLMeta(disk, bucket, object)
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if err != nil {
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t.Fatal(err)
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}
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// After heal the meta file should be as expected.
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if !reflect.DeepEqual(xlMetaPreHeal, xlMetaPostHeal) {
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t.Fatal("HealObject failed")
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}
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// Write xl.json with different modtime to simulate the case where a disk had
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// gone down when an object was replaced by a new object.
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xlMetaOutDated := xlMetaPreHeal
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xlMetaOutDated.Stat.ModTime = time.Now()
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err = writeXLMetadata(disk, bucket, object, xlMetaOutDated)
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if err != nil {
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t.Fatal(err)
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}
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_, _, err = xl.HealObject(bucket, object)
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if err != nil {
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t.Fatal(err)
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}
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xlMetaPostHeal, err = readXLMeta(disk, bucket, object)
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if err != nil {
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t.Fatal(err)
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}
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// After heal the meta file should be as expected.
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if !reflect.DeepEqual(xlMetaPreHeal, xlMetaPostHeal) {
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t.Fatal("HealObject failed")
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}
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// Remove the bucket - to simulate the case where bucket was
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// created when the disk was down.
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err = os.RemoveAll(path.Join(fsDirs[0], bucket))
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if err != nil {
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t.Fatal(err)
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}
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// This would create the bucket.
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err = xl.HealBucket(bucket)
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if err != nil {
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t.Fatal(err)
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}
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// Stat the bucket to make sure that it was created.
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_, err = xl.storageDisks[0].StatVol(bucket)
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if err != nil {
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t.Fatal(err)
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}
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}
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