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324 lines
8.6 KiB
324 lines
8.6 KiB
8 years ago
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/*
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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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"net/rpc"
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"reflect"
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"testing"
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)
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// Tests retry storage.
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func TestRetryStorage(t *testing.T) {
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root, err := newTestConfig("us-east-1")
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if err != nil {
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t.Fatal(err)
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}
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defer removeAll(root)
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originalStorageDisks, disks := prepareXLStorageDisks(t)
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defer removeRoots(disks)
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var storageDisks = make([]StorageAPI, len(originalStorageDisks))
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for i := range originalStorageDisks {
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retryDisk, ok := originalStorageDisks[i].(*retryStorage)
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if !ok {
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t.Fatal("storage disk is not *retryStorage type")
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}
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storageDisks[i] = &retryStorage{newNaughtyDisk(retryDisk, map[int]error{
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1: rpc.ErrShutdown,
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}, nil)}
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}
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// Validate all the conditions for retrying calls.
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storageDisks = make([]StorageAPI, len(originalStorageDisks))
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for i := range originalStorageDisks {
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retryDisk, ok := originalStorageDisks[i].(*retryStorage)
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if !ok {
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t.Fatal("storage disk is not *retryStorage type")
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}
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storageDisks[i] = &retryStorage{newNaughtyDisk(retryDisk, map[int]error{
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1: rpc.ErrShutdown,
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}, nil)}
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}
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for _, disk := range storageDisks {
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err = disk.Init()
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if err != rpc.ErrShutdown {
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t.Fatal("Expected rpc.ErrShutdown, got", err)
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}
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}
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for _, disk := range storageDisks {
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_, err = disk.DiskInfo()
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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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storageDisks = make([]StorageAPI, len(originalStorageDisks))
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for i := range originalStorageDisks {
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retryDisk, ok := originalStorageDisks[i].(*retryStorage)
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if !ok {
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t.Fatal("storage disk is not *retryStorage type")
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}
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storageDisks[i] = &retryStorage{newNaughtyDisk(retryDisk, map[int]error{
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1: rpc.ErrShutdown,
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}, nil)}
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}
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for _, disk := range storageDisks {
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if err = disk.MakeVol("existent"); err != nil {
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t.Fatal(err)
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}
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if _, err = disk.StatVol("existent"); err == errVolumeNotFound {
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t.Fatal(err)
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}
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}
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storageDisks = make([]StorageAPI, len(originalStorageDisks))
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for i := range originalStorageDisks {
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retryDisk, ok := originalStorageDisks[i].(*retryStorage)
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if !ok {
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t.Fatal("storage disk is not *retryStorage type")
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}
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storageDisks[i] = &retryStorage{newNaughtyDisk(retryDisk, map[int]error{
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1: rpc.ErrShutdown,
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}, nil)}
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}
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for _, disk := range storageDisks {
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if _, err = disk.StatVol("existent"); err == errVolumeNotFound {
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t.Fatal(err)
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}
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}
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storageDisks = make([]StorageAPI, len(originalStorageDisks))
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for i := range originalStorageDisks {
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retryDisk, ok := originalStorageDisks[i].(*retryStorage)
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if !ok {
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t.Fatal("storage disk is not *retryStorage type")
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}
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storageDisks[i] = &retryStorage{newNaughtyDisk(retryDisk, map[int]error{
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1: rpc.ErrShutdown,
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}, nil)}
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}
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for _, disk := range storageDisks {
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if _, err = disk.ListVols(); err != nil {
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t.Fatal(err)
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}
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}
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storageDisks = make([]StorageAPI, len(originalStorageDisks))
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for i := range originalStorageDisks {
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retryDisk, ok := originalStorageDisks[i].(*retryStorage)
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if !ok {
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t.Fatal("storage disk is not *retryStorage type")
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}
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storageDisks[i] = &retryStorage{newNaughtyDisk(retryDisk, map[int]error{
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1: rpc.ErrShutdown,
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}, nil)}
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}
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for _, disk := range storageDisks {
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if err = disk.DeleteVol("existent"); err != nil {
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t.Fatal(err)
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}
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if str := disk.String(); str == "" {
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t.Fatal("String method for disk cannot be empty.")
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}
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}
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storageDisks = make([]StorageAPI, len(originalStorageDisks))
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for i := range originalStorageDisks {
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retryDisk, ok := originalStorageDisks[i].(*retryStorage)
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if !ok {
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t.Fatal("storage disk is not *retryStorage type")
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}
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storageDisks[i] = &retryStorage{newNaughtyDisk(retryDisk, map[int]error{
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1: rpc.ErrShutdown,
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}, nil)}
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}
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for _, disk := range storageDisks {
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if err = disk.MakeVol("existent"); err != nil {
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t.Fatal(err)
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}
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}
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storageDisks = make([]StorageAPI, len(originalStorageDisks))
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for i := range originalStorageDisks {
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retryDisk, ok := originalStorageDisks[i].(*retryStorage)
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if !ok {
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t.Fatal("storage disk is not *retryStorage type")
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}
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storageDisks[i] = &retryStorage{newNaughtyDisk(retryDisk, map[int]error{
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1: rpc.ErrShutdown,
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}, nil)}
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}
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for _, disk := range storageDisks {
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if err = disk.PrepareFile("existent", "path", 10); err != nil {
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t.Fatal(err)
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}
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}
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storageDisks = make([]StorageAPI, len(originalStorageDisks))
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for i := range originalStorageDisks {
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retryDisk, ok := originalStorageDisks[i].(*retryStorage)
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if !ok {
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t.Fatal("storage disk is not *retryStorage type")
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}
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storageDisks[i] = &retryStorage{newNaughtyDisk(retryDisk, map[int]error{
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1: rpc.ErrShutdown,
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}, nil)}
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}
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for _, disk := range storageDisks {
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if err = disk.AppendFile("existent", "path", []byte("Hello, World")); err != nil {
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t.Fatal(err)
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}
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}
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storageDisks = make([]StorageAPI, len(originalStorageDisks))
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for i := range originalStorageDisks {
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retryDisk, ok := originalStorageDisks[i].(*retryStorage)
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if !ok {
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t.Fatal("storage disk is not *retryStorage type")
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}
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storageDisks[i] = &retryStorage{newNaughtyDisk(retryDisk, map[int]error{
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1: rpc.ErrShutdown,
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}, nil)}
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}
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for _, disk := range storageDisks {
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var buf1 []byte
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if buf1, err = disk.ReadAll("existent", "path"); err != nil {
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t.Fatal(err)
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}
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if !bytes.Equal(buf1, []byte("Hello, World")) {
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t.Fatalf("Expected `Hello, World`, got %s", string(buf1))
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}
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}
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storageDisks = make([]StorageAPI, len(originalStorageDisks))
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for i := range originalStorageDisks {
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retryDisk, ok := originalStorageDisks[i].(*retryStorage)
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if !ok {
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t.Fatal("storage disk is not *retryStorage type")
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}
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storageDisks[i] = &retryStorage{newNaughtyDisk(retryDisk, map[int]error{
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1: rpc.ErrShutdown,
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}, nil)}
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}
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for _, disk := range storageDisks {
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var buf2 = make([]byte, 5)
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var n int64
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if n, err = disk.ReadFile("existent", "path", 7, buf2); err != nil {
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t.Fatal(err)
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}
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if n != 5 {
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t.Fatalf("Expected 5, got %d", n)
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}
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if !bytes.Equal(buf2, []byte("World")) {
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t.Fatalf("Expected `World`, got %s", string(buf2))
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}
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}
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storageDisks = make([]StorageAPI, len(originalStorageDisks))
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for i := range originalStorageDisks {
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retryDisk, ok := originalStorageDisks[i].(*retryStorage)
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if !ok {
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t.Fatal("storage disk is not *retryStorage type")
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}
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storageDisks[i] = &retryStorage{newNaughtyDisk(retryDisk, map[int]error{
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1: rpc.ErrShutdown,
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}, nil)}
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}
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for _, disk := range storageDisks {
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if err = disk.RenameFile("existent", "path", "existent", "new-path"); err != nil {
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t.Fatal(err)
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}
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if _, err = disk.StatFile("existent", "new-path"); err != nil {
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t.Fatal(err)
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}
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}
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storageDisks = make([]StorageAPI, len(originalStorageDisks))
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for i := range originalStorageDisks {
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retryDisk, ok := originalStorageDisks[i].(*retryStorage)
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if !ok {
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t.Fatal("storage disk is not *retryStorage type")
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}
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storageDisks[i] = &retryStorage{newNaughtyDisk(retryDisk, map[int]error{
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1: rpc.ErrShutdown,
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}, nil)}
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}
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for _, disk := range storageDisks {
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if _, err = disk.StatFile("existent", "new-path"); err != nil {
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t.Fatal(err)
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}
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}
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storageDisks = make([]StorageAPI, len(originalStorageDisks))
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for i := range originalStorageDisks {
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retryDisk, ok := originalStorageDisks[i].(*retryStorage)
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if !ok {
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t.Fatal("storage disk is not *retryStorage type")
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}
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storageDisks[i] = &retryStorage{newNaughtyDisk(retryDisk, map[int]error{
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1: rpc.ErrShutdown,
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}, nil)}
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}
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for _, disk := range storageDisks {
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var entries []string
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if entries, err = disk.ListDir("existent", ""); err != nil {
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t.Fatal(err)
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}
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if !reflect.DeepEqual(entries, []string{"new-path"}) {
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t.Fatalf("Expected []string{\"new-path\"}, got %s", entries)
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}
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}
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storageDisks = make([]StorageAPI, len(originalStorageDisks))
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for i := range originalStorageDisks {
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retryDisk, ok := originalStorageDisks[i].(*retryStorage)
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if !ok {
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t.Fatal("storage disk is not *retryStorage type")
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}
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storageDisks[i] = &retryStorage{newNaughtyDisk(retryDisk, map[int]error{
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1: rpc.ErrShutdown,
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}, nil)}
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}
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for _, disk := range storageDisks {
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if err = disk.DeleteFile("existent", "new-path"); err != nil {
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t.Fatal(err)
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}
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if err = disk.DeleteVol("existent"); err != nil {
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t.Fatal(err)
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}
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}
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}
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