250 lines
6.7 KiB
Go
250 lines
6.7 KiB
Go
package testcase
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"os"
|
|
"path/filepath"
|
|
"time"
|
|
|
|
"plp-test/internal/config"
|
|
"plp-test/internal/model"
|
|
"plp-test/internal/utils"
|
|
|
|
"github.com/sirupsen/logrus"
|
|
)
|
|
|
|
// SequentialWriteTest 顺序写入测试
|
|
type SequentialWriteTest struct {
|
|
*BaseTestCase
|
|
testDir string
|
|
blockSize int
|
|
totalBlocks int
|
|
writtenBlocks int
|
|
verifiedBlocks int
|
|
blocks []*model.TestBlock
|
|
writeLatencies []float64
|
|
readLatencies []float64
|
|
}
|
|
|
|
// NewSequentialWriteTest 创建顺序写入测试
|
|
func NewSequentialWriteTest(cfg *config.Config, logger *logrus.Logger) *SequentialWriteTest {
|
|
baseTest := NewBaseTestCase(
|
|
"sequential",
|
|
"测试在Open-CAS环境中进行顺序写入时的数据完整性",
|
|
cfg,
|
|
logger,
|
|
)
|
|
|
|
return &SequentialWriteTest{
|
|
BaseTestCase: baseTest,
|
|
blockSize: utils.MBToBytes(float64(cfg.Test.BlockSize)),
|
|
totalBlocks: utils.MBToBytes(float64(cfg.Test.DataSizeMB)) / utils.MBToBytes(float64(cfg.Test.BlockSize)),
|
|
}
|
|
}
|
|
|
|
// Setup 设置测试环境
|
|
func (t *SequentialWriteTest) Setup(ctx context.Context) error {
|
|
if err := t.BaseTestCase.Setup(ctx); err != nil {
|
|
return err
|
|
}
|
|
|
|
t.setMessage("创建Open-CAS缓存实例")
|
|
id := t.config.Server.CacheInstanceID
|
|
nvme := t.config.Server.DevicesNVMe
|
|
hdd := t.config.Server.DevicesHDD
|
|
|
|
// 创建缓存实例
|
|
err := t.casManager.CreateCacheInstance(id, nvme, hdd, "wb") // 使用write-back模式
|
|
if err != nil {
|
|
t.setStatus(StatusFailed)
|
|
return fmt.Errorf("创建缓存实例失败: %v", err)
|
|
}
|
|
|
|
// 获取缓存设备路径
|
|
cacheDevice := fmt.Sprintf("/dev/cas%s-1", id)
|
|
t.setMessage(fmt.Sprintf("格式化缓存设备 %s", cacheDevice))
|
|
|
|
// 格式化缓存设备
|
|
err = t.casManager.FormatDevice(cacheDevice, "ext4")
|
|
if err != nil {
|
|
t.setStatus(StatusFailed)
|
|
return fmt.Errorf("格式化缓存设备失败: %v", err)
|
|
}
|
|
|
|
// 挂载缓存设备
|
|
mountPoint := t.config.Server.MountPoint
|
|
t.setMessage(fmt.Sprintf("挂载缓存设备到 %s", mountPoint))
|
|
err = t.casManager.MountDevice(cacheDevice, mountPoint)
|
|
if err != nil {
|
|
t.setStatus(StatusFailed)
|
|
return fmt.Errorf("挂载缓存设备失败: %v", err)
|
|
}
|
|
|
|
// 创建测试目录
|
|
t.testDir = filepath.Join(mountPoint, "sequential_test")
|
|
t.setMessage(fmt.Sprintf("创建测试目录 %s", t.testDir))
|
|
err = utils.CreateDirIfNotExist(t.testDir)
|
|
if err != nil {
|
|
t.setStatus(StatusFailed)
|
|
return fmt.Errorf("创建测试目录失败: %v", err)
|
|
}
|
|
|
|
// 初始化测试数据
|
|
t.blocks = make([]*model.TestBlock, 0, t.totalBlocks)
|
|
t.writeLatencies = make([]float64, 0, t.totalBlocks)
|
|
t.readLatencies = make([]float64, 0, t.totalBlocks)
|
|
|
|
t.setProgress(10)
|
|
return nil
|
|
}
|
|
|
|
// Run 运行测试
|
|
func (t *SequentialWriteTest) Run(ctx context.Context) (*model.TestResult, error) {
|
|
t.setMessage("开始顺序写入测试")
|
|
startTime := time.Now()
|
|
var totalBytesWritten int
|
|
|
|
// 写入阶段
|
|
t.setMessage("写入阶段")
|
|
for i := 0; i < t.totalBlocks; i++ {
|
|
select {
|
|
case <-ctx.Done():
|
|
t.setStatus(StatusAborted)
|
|
return nil, ctx.Err()
|
|
default:
|
|
// 生成随机数据
|
|
data, err := utils.GenerateRandomData(t.blockSize)
|
|
if err != nil {
|
|
t.setStatus(StatusFailed)
|
|
return nil, fmt.Errorf("生成随机数据失败: %v", err)
|
|
}
|
|
|
|
// 创建测试数据块
|
|
block := model.NewTestBlock(data, i)
|
|
t.blocks = append(t.blocks, block)
|
|
|
|
// 写入文件
|
|
filePath := filepath.Join(t.testDir, fmt.Sprintf("block_%d.dat", i))
|
|
writeStart := time.Now()
|
|
|
|
err = os.WriteFile(filePath, data, 0644)
|
|
if err != nil {
|
|
t.setStatus(StatusFailed)
|
|
return nil, fmt.Errorf("写入文件 %s 失败: %v", filePath, err)
|
|
}
|
|
|
|
// 记录写入延迟
|
|
writeLatency := time.Since(writeStart).Seconds() * 1000 // 毫秒
|
|
t.writeLatencies = append(t.writeLatencies, writeLatency)
|
|
|
|
t.writtenBlocks++
|
|
totalBytesWritten += len(data)
|
|
|
|
// 更新进度
|
|
progress := float64(i+1) / float64(t.totalBlocks) * 50 // 写入阶段占50%
|
|
t.setProgress(progress)
|
|
|
|
// 每隔一定数量的块，强制刷新缓存
|
|
if i > 0 && i%100 == 0 {
|
|
t.logger.Infof("已写入 %d 个数据块，强制刷新缓存", i)
|
|
t.casManager.FlushCache(t.config.Server.CacheInstanceID)
|
|
}
|
|
}
|
|
}
|
|
|
|
// 验证阶段
|
|
t.setMessage("验证阶段")
|
|
for i, block := range t.blocks {
|
|
select {
|
|
case <-ctx.Done():
|
|
t.setStatus(StatusAborted)
|
|
return nil, ctx.Err()
|
|
default:
|
|
filePath := filepath.Join(t.testDir, fmt.Sprintf("block_%d.dat", i))
|
|
readStart := time.Now()
|
|
|
|
data, err := os.ReadFile(filePath)
|
|
if err != nil {
|
|
t.setStatus(StatusFailed)
|
|
return nil, fmt.Errorf("读取文件 %s 失败: %v", filePath, err)
|
|
}
|
|
|
|
// 记录读取延迟
|
|
readLatency := time.Since(readStart).Seconds() * 1000 // 毫秒
|
|
t.readLatencies = append(t.readLatencies, readLatency)
|
|
|
|
// 验证数据完整性
|
|
if string(data) != string(block.Data) {
|
|
t.setStatus(StatusFailed)
|
|
return nil, fmt.Errorf("数据验证失败，块 %d 内容不匹配", i)
|
|
}
|
|
|
|
t.verifiedBlocks++
|
|
|
|
// 更新进度
|
|
progress := 50 + float64(i+1)/float64(len(t.blocks))*50 // 验证阶段占50%
|
|
t.setProgress(progress)
|
|
}
|
|
}
|
|
|
|
// 计算性能指标
|
|
duration := time.Since(startTime)
|
|
writeSpeedMBs := utils.BytesToMB(totalBytesWritten) / duration.Seconds()
|
|
|
|
// 计算平均延迟
|
|
var totalWriteLatency, totalReadLatency float64
|
|
for _, latency := range t.writeLatencies {
|
|
totalWriteLatency += latency
|
|
}
|
|
for _, latency := range t.readLatencies {
|
|
totalReadLatency += latency
|
|
}
|
|
avgWriteLatency := totalWriteLatency / float64(len(t.writeLatencies))
|
|
avgReadLatency := totalReadLatency / float64(len(t.readLatencies))
|
|
|
|
// 计算IOPS
|
|
operations := t.writtenBlocks + t.verifiedBlocks
|
|
iops := utils.CalculateIOPS(operations, duration)
|
|
|
|
t.setProgress(100)
|
|
t.setStatus(StatusCompleted)
|
|
t.setMessage("顺序写入测试完成")
|
|
|
|
// 构造测试结果
|
|
result := t.getTestResult()
|
|
result.BlocksWritten = t.writtenBlocks
|
|
result.BlocksVerified = t.verifiedBlocks
|
|
result.DataWrittenMB = utils.BytesToMB(totalBytesWritten)
|
|
result.WriteSpeedMBs = writeSpeedMBs
|
|
result.Metrics = model.TestMetrics{
|
|
WriteLatencyMs: avgWriteLatency,
|
|
ReadLatencyMs: avgReadLatency,
|
|
IOPS: iops,
|
|
DataIntegrityLoss: 0, // 没有数据完整性丢失
|
|
}
|
|
|
|
return result, nil
|
|
}
|
|
|
|
// Cleanup 清理测试环境
|
|
func (t *SequentialWriteTest) Cleanup(ctx context.Context) error {
|
|
if err := t.BaseTestCase.Cleanup(ctx); err != nil {
|
|
return err
|
|
}
|
|
|
|
t.setMessage("卸载缓存设备")
|
|
err := t.casManager.UnmountDevice(t.config.Server.MountPoint)
|
|
if err != nil {
|
|
t.logger.Warnf("卸载缓存设备失败: %v", err)
|
|
}
|
|
|
|
t.setMessage("停止缓存实例")
|
|
err = t.casManager.StopCacheInstance(t.config.Server.CacheInstanceID)
|
|
if err != nil {
|
|
t.logger.Warnf("停止缓存实例失败: %v", err)
|
|
}
|
|
|
|
return nil
|
|
}
|