mirror of
https://github.com/minio/minio.git
synced 2025-11-04 10:11:09 +01:00
408 lines
9.4 KiB
Go
408 lines
9.4 KiB
Go
/*
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* Minio Cloud Storage, (C) 2018 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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"encoding/json"
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"fmt"
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"io/ioutil"
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"os"
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"testing"
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)
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// Test get offline/online uuids.
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func TestGetUUIDs(t *testing.T) {
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fmtV2 := newFormatXLV3(4, 16)
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formats := make([]*formatXLV3, 64)
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for i := 0; i < 4; i++ {
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for j := 0; j < 16; j++ {
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newFormat := *fmtV2
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newFormat.XL.This = fmtV2.XL.Sets[i][j]
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formats[i*16+j] = &newFormat
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}
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}
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gotCount := len(getOnlineUUIDs(fmtV2, formats))
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if gotCount != 64 {
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t.Errorf("Expected online count '64', got '%d'", gotCount)
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}
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for i := 0; i < 4; i++ {
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for j := 0; j < 16; j++ {
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if j < 4 {
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formats[i*16+j] = nil
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}
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}
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}
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gotCount = len(getOnlineUUIDs(fmtV2, formats))
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if gotCount != 48 {
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t.Errorf("Expected online count '48', got '%d'", gotCount)
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}
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gotCount = len(getOfflineUUIDs(fmtV2, formats))
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if gotCount != 16 {
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t.Errorf("Expected offline count '16', got '%d'", gotCount)
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}
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markUUIDsOffline(fmtV2, formats)
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gotCount = 0
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for i := range fmtV2.XL.Sets {
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for j := range fmtV2.XL.Sets[i] {
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if fmtV2.XL.Sets[i][j] == offlineDiskUUID {
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gotCount++
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}
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}
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}
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if gotCount != 16 {
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t.Errorf("Expected offline count '16', got '%d'", gotCount)
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}
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}
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// Tests format xl get version.
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func TestFormatXLGetVersion(t *testing.T) {
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// Get test root.
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rootPath, err := getTestRoot()
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if err != nil {
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t.Fatal(err)
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}
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defer os.RemoveAll(rootPath)
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v := &formatXLVersionDetect{}
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v.XL.Version = "1"
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b, err := json.Marshal(v)
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if err != nil {
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t.Fatal(err)
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}
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if err = ioutil.WriteFile(pathJoin(rootPath, formatConfigFile), b, os.FileMode(0644)); err != nil {
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t.Fatal(err)
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}
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_, err = formatXLGetVersion("not-found")
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if err == nil {
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t.Fatal("Expected to fail but found success")
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}
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vstr, err := formatXLGetVersion(pathJoin(rootPath, formatConfigFile))
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if err != nil {
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t.Fatal(err)
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}
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if vstr != "1" {
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t.Fatalf("Expected version '1', got '%s'", vstr)
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}
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}
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// Tests format get backend format.
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func TestFormatMetaGetFormatBackendXL(t *testing.T) {
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// Get test root.
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rootPath, err := getTestRoot()
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if err != nil {
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t.Fatal(err)
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}
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defer os.RemoveAll(rootPath)
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m := &formatMetaV1{
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Format: "fs",
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Version: formatMetaVersionV1,
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}
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b, err := json.Marshal(m)
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if err != nil {
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t.Fatal(err)
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}
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if err = ioutil.WriteFile(pathJoin(rootPath, formatConfigFile), b, os.FileMode(0644)); err != nil {
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t.Fatal(err)
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}
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_, err = formatMetaGetFormatBackendXL("not-found")
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if err == nil {
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t.Fatal("Expected to fail but found success")
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}
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format, err := formatMetaGetFormatBackendXL(pathJoin(rootPath, formatConfigFile))
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if err != nil {
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t.Fatal(err)
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}
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if format != m.Format {
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t.Fatalf("Expected format value %s, got %s", m.Format, format)
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}
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m = &formatMetaV1{
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Format: "xl",
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Version: "2",
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}
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b, err = json.Marshal(m)
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if err != nil {
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t.Fatal(err)
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}
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if err = ioutil.WriteFile(pathJoin(rootPath, formatConfigFile), b, os.FileMode(0644)); err != nil {
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t.Fatal(err)
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}
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_, err = formatMetaGetFormatBackendXL(pathJoin(rootPath, formatConfigFile))
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if err == nil {
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t.Fatal("Expected to fail with incompatible meta version")
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}
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}
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// Tests xl format migration.
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func TestFormatXLMigrate(t *testing.T) {
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// Get test root.
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rootPath, err := getTestRoot()
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if err != nil {
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t.Fatal(err)
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}
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defer os.RemoveAll(rootPath)
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m := &formatXLV1{}
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m.Format = formatBackendXL
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m.Version = formatMetaVersionV1
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m.XL.Version = formatXLVersionV1
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m.XL.Disk = mustGetUUID()
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m.XL.JBOD = []string{m.XL.Disk, mustGetUUID(), mustGetUUID(), mustGetUUID()}
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b, err := json.Marshal(m)
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if err != nil {
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t.Fatal(err)
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}
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if err = os.MkdirAll(pathJoin(rootPath, minioMetaBucket), os.FileMode(0755)); err != nil {
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t.Fatal(err)
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}
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if err = ioutil.WriteFile(pathJoin(rootPath, minioMetaBucket, formatConfigFile), b, os.FileMode(0644)); err != nil {
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t.Fatal(err)
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}
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if err = formatXLMigrate(rootPath); err != nil {
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t.Fatal(err)
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}
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migratedVersion, err := formatXLGetVersion(pathJoin(rootPath, minioMetaBucket, formatConfigFile))
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if err != nil {
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t.Fatal(err)
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}
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if migratedVersion != formatXLVersionV3 {
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t.Fatal(fmt.Sprintf("expected version: %s, got: %s", formatXLVersionV3, migratedVersion))
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}
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m = &formatXLV1{}
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m.Format = "unknown"
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m.Version = formatMetaVersionV1
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m.XL.Version = formatXLVersionV1
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m.XL.Disk = mustGetUUID()
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m.XL.JBOD = []string{m.XL.Disk, mustGetUUID(), mustGetUUID(), mustGetUUID()}
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b, err = json.Marshal(m)
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if err != nil {
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t.Fatal(err)
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}
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if err = ioutil.WriteFile(pathJoin(rootPath, minioMetaBucket, formatConfigFile), b, os.FileMode(0644)); err != nil {
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t.Fatal(err)
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}
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if err = formatXLMigrate(rootPath); err == nil {
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t.Fatal("Expected to fail with unexpected backend format")
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}
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m = &formatXLV1{}
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m.Format = formatBackendXL
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m.Version = formatMetaVersionV1
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m.XL.Version = "30"
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m.XL.Disk = mustGetUUID()
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m.XL.JBOD = []string{m.XL.Disk, mustGetUUID(), mustGetUUID(), mustGetUUID()}
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b, err = json.Marshal(m)
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if err != nil {
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t.Fatal(err)
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}
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if err = ioutil.WriteFile(pathJoin(rootPath, minioMetaBucket, formatConfigFile), b, os.FileMode(0644)); err != nil {
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t.Fatal(err)
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}
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if err = formatXLMigrate(rootPath); err == nil {
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t.Fatal("Expected to fail with unexpected backend format version number")
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}
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}
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// Tests check format xl value.
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func TestCheckFormatXLValue(t *testing.T) {
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testCases := []struct {
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format *formatXLV3
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success bool
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}{
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// Invalid XL format version "2".
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{
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&formatXLV3{
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Version: "2",
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Format: "XL",
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XL: struct {
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Version string `json:"version"`
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This string `json:"this"`
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Sets [][]string `json:"sets"`
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DistributionAlgo string `json:"distributionAlgo"`
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}{
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Version: "2",
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},
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},
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false,
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},
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// Invalid XL format "Unknown".
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{
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&formatXLV3{
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Version: "1",
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Format: "Unknown",
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XL: struct {
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Version string `json:"version"`
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This string `json:"this"`
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Sets [][]string `json:"sets"`
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DistributionAlgo string `json:"distributionAlgo"`
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}{
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Version: "2",
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},
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},
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false,
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},
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// Invalid XL format version "0".
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{
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&formatXLV3{
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Version: "1",
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Format: "XL",
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XL: struct {
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Version string `json:"version"`
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This string `json:"this"`
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Sets [][]string `json:"sets"`
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DistributionAlgo string `json:"distributionAlgo"`
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}{
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Version: "0",
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},
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},
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false,
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},
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}
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// Valid all test cases.
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for i, testCase := range testCases {
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if err := checkFormatXLValue(testCase.format); err != nil && testCase.success {
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t.Errorf("Test %d: Expected failure %s", i+1, err)
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}
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}
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}
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// Tests getFormatXLInQuorum()
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func TestGetFormatXLInQuorumCheck(t *testing.T) {
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setCount := 2
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disksPerSet := 16
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format := newFormatXLV3(setCount, disksPerSet)
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formats := make([]*formatXLV3, 32)
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for i := 0; i < setCount; i++ {
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for j := 0; j < disksPerSet; j++ {
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newFormat := *format
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newFormat.XL.This = format.XL.Sets[i][j]
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formats[i*disksPerSet+j] = &newFormat
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}
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}
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// Return a format from list of formats in quorum.
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quorumFormat, err := getFormatXLInQuorum(formats)
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if err != nil {
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t.Fatal(err)
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}
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// Check if the reference format and input formats are same.
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if err = formatXLV3Check(quorumFormat, formats[0]); err != nil {
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t.Fatal(err)
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}
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// QuorumFormat has .This field empty on purpose, expect a failure.
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if err = formatXLV3Check(formats[0], quorumFormat); err == nil {
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t.Fatal("Unexpected success")
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}
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formats[0] = nil
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quorumFormat, err = getFormatXLInQuorum(formats)
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if err != nil {
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t.Fatal(err)
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}
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badFormat := *quorumFormat
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badFormat.XL.Sets = nil
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if err = formatXLV3Check(quorumFormat, &badFormat); err == nil {
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t.Fatal("Unexpected success")
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}
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badFormatUUID := *quorumFormat
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badFormatUUID.XL.Sets[0][0] = "bad-uuid"
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if err = formatXLV3Check(quorumFormat, &badFormatUUID); err == nil {
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t.Fatal("Unexpected success")
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}
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badFormatSetSize := *quorumFormat
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badFormatSetSize.XL.Sets[0] = nil
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if err = formatXLV3Check(quorumFormat, &badFormatSetSize); err == nil {
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t.Fatal("Unexpected success")
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}
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for i := range formats {
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if i < 17 {
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formats[i] = nil
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}
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}
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if _, err = getFormatXLInQuorum(formats); err == nil {
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t.Fatal("Unexpected success")
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}
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}
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// Initialize new format sets.
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func TestNewFormatSets(t *testing.T) {
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setCount := 2
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disksPerSet := 16
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format := newFormatXLV3(setCount, disksPerSet)
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formats := make([]*formatXLV3, 32)
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errs := make([]error, 32)
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for i := 0; i < setCount; i++ {
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for j := 0; j < disksPerSet; j++ {
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newFormat := *format
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newFormat.XL.This = format.XL.Sets[i][j]
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formats[i*disksPerSet+j] = &newFormat
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}
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}
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quorumFormat, err := getFormatXLInQuorum(formats)
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if err != nil {
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t.Fatal(err)
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}
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// 16th disk is unformatted.
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errs[15] = errUnformattedDisk
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newFormats := newHealFormatSets(quorumFormat, setCount, disksPerSet, formats, errs)
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if newFormats == nil {
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t.Fatal("Unexpected failure")
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}
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}
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