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370 lines
10 KiB
370 lines
10 KiB
/*
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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.MakeBucket("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, 5*humanize.MiByte, bytes.NewReader(fiveMBBytes), 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, 5*humanize.MiByte, bytes.NewReader(fiveMBBytes), 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", "obj/", ObjectNameInvalid{Bucket: "bucket", Object: "obj/"}},
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{"bucket", "/obj", ObjectNameInvalid{Bucket: "bucket", Object: "/obj"}},
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{"bucket", "doesnotexist", ObjectNotFound{Bucket: "bucket", Object: "doesnotexist"}},
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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.MakeBucket("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", int64(len("abcd")), bytes.NewReader([]byte("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.MakeBucket("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, int64(len("abcd")), bytes.NewReader([]byte("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, int64(len("abcd")), bytes.NewReader([]byte("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.MakeBucket("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, int64(len("abcd")), bytes.NewReader([]byte("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.MakeBucket("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, int64(len("abcd")), bytes.NewReader([]byte("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, int64(len("abcd")), bytes.NewReader([]byte("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 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.MakeBucket("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, length, bytes.NewReader(data), 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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