feat: 构建节点磁盘性能测试（dd 实测读写）
- 新增 internal/sshexec（x/crypto/ssh）：远程命令通道，凭证来自 Credential(type=ssh) 解密（私钥/密码/端口/用户） - POST /api/build-nodes/:id/disk-test：写 dd(256MB, oflag=direct， 不支持自动降级含缓存并标注) + 读 dd + 清理；IP 为本机时直接本地 exec；输出解析兼容 Linux/Mac 两种 dd 格式；60s 超时保护 - BuildNode 新增 credentialId 关联 SSH 凭证 + 磁盘测速结果持久字段 （显式 column 标签修正 GORM MBps 命名） - 节点卡片新增仪表盘按钮触发测试；磁盘行显示 ↑写 ↓读 MB/s （>200 绿 SSD 级 / 50-200 黄 / <50 红），hover 看测试模式与时间 - 编辑弹窗新增 SSH 凭证下拉 - 本机实测：local-mac 节点 写 2336 MB/s · 读 1793 MB/s（direct）
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@@ -0,0 +1,176 @@
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package handler
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import (
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"context"
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"encoding/json"
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"fmt"
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"net/http"
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"os/exec"
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"regexp"
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"strconv"
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"strings"
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"time"
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"github.com/gin-gonic/gin"
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"flowstack/internal/crypto"
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"flowstack/internal/database"
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"flowstack/internal/model"
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"flowstack/internal/sshexec"
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)
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const (
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ddFileSize = ".fs-disktest"
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ddSizeMB = 256
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ddTimeout = 60 * time.Second
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)
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type cmdRunner func(cmd string) (string, error)
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func localRunner(cmd string) (string, error) {
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ctx, cancel := context.WithTimeout(context.Background(), ddTimeout)
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defer cancel()
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out, err := exec.CommandContext(ctx, "sh", "-c", cmd).CombinedOutput()
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return string(out), err
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}
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// parseDDMBps 兼容两种 dd 输出：
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// Linux: "268435456 bytes (268 MB, 256 MiB) copied, 1.2 s, 224 MB/s"
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// macOS: "268435456 bytes transferred in 1.234 secs (217543210 bytes/sec)"
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var (
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linuxSpeedRe = regexp.MustCompile(`([\d.]+)\s*([kMGT]?)B/s`)
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macSpeedRe = regexp.MustCompile(`\(([\d,]+)\s*bytes/sec\)`)
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)
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func parseDDMBps(out string) float64 {
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if ms := linuxSpeedRe.FindAllStringSubmatch(out, -1); len(ms) > 0 {
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m := ms[len(ms)-1]
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v, err := strconv.ParseFloat(m[1], 64)
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if err != nil {
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return 0
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}
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switch m[2] {
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case "k", "K":
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v /= 1024
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case "G":
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v *= 1024
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case "T":
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v *= 1024 * 1024
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}
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return v
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}
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if m := macSpeedRe.FindStringSubmatch(out); m != nil {
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v, err := strconv.ParseFloat(strings.ReplaceAll(m[1], ",", ""), 64)
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if err == nil {
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return v / 1e6
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}
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}
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return 0
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}
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// TestBuildNodeDisk POST /api/build-nodes/:id/disk-test —— dd 实测磁盘读写
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func TestBuildNodeDisk(c *gin.Context) {
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var n model.BuildNode
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if err := database.DB.First(&n, c.Param("id")).Error; err != nil {
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c.JSON(http.StatusNotFound, gin.H{"error": "build node not found"})
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return
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}
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// 本地节点直接 exec，否则 SSH（需要凭证）
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isLocal := n.IP == "127.0.0.1" || n.IP == "localhost" || n.IP == "::1"
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var run cmdRunner
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mode := "ssh"
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if isLocal {
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run = localRunner
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mode = "local"
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} else {
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if n.CredentialID == nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": "远程节点需先在编辑中关联 SSH 凭证"})
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return
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}
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var cred model.Credential
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if err := database.DB.First(&cred, *n.CredentialID).Error; err != nil || cred.Content == "" {
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c.JSON(http.StatusBadRequest, gin.H{"error": "SSH 凭证不存在或未设置内容"})
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return
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}
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plain, err := crypto.DecryptField(cred.Content)
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if err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{"error": "凭证解密失败"})
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return
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}
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var cc struct {
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PrivateKey string `json:"private_key"`
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Password string `json:"password"`
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SSHUser string `json:"ssh_user"`
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SSHPort int `json:"ssh_port"`
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}
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if err := json.Unmarshal([]byte(plain), &cc); err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": "凭证内容格式错误"})
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return
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}
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cfg := sshexec.Config{Host: n.IP, Port: cc.SSHPort, User: cc.SSHUser, Password: cc.Password, PrivateKey: cc.PrivateKey}
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run = func(cmd string) (string, error) {
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return sshexec.Run(cfg, cmd, ddTimeout)
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}
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}
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ws := n.WorkspacePath
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if ws == "" {
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ws = "/data/flowstack-workspace"
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}
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file := ws + "/" + ddFileSize
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start := time.Now()
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if _, err := run(fmt.Sprintf("mkdir -p '%s'", ws)); err != nil {
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c.JSON(http.StatusOK, gin.H{"success": false, "message": "创建工作空间失败: " + err.Error()})
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return
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}
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defer func() { _, _ = run(fmt.Sprintf("rm -f '%s'", file)) }()
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// 写测试：direct 优先（绕过缓存），失败降级普通模式
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writeCmd := fmt.Sprintf("dd if=/dev/zero of='%s' bs=1m count=%d oflag=direct 2>&1", file, ddSizeMB)
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writeOut, err := run(writeCmd)
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direct := err == nil
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if err != nil || parseDDMBps(writeOut) == 0 {
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writeOut, err = run(fmt.Sprintf("dd if=/dev/zero of='%s' bs=1m count=%d 2>&1", file, ddSizeMB))
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direct = false
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}
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if err != nil {
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c.JSON(http.StatusOK, gin.H{"success": false, "message": "写入测试失败: " + firstLine(writeOut, err)})
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return
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}
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writeMBps := parseDDMBps(writeOut)
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// 读测试
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readCmd := fmt.Sprintf("dd if='%s' of=/dev/null bs=1m 2>&1", file)
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if direct {
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readCmd = fmt.Sprintf("dd if='%s' of=/dev/null bs=1m iflag=direct 2>&1", file)
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}
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readOut, err := run(readCmd)
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if err != nil && direct {
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readOut, err = run(fmt.Sprintf("dd if='%s' of=/dev/null bs=1m 2>&1", file))
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}
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if err != nil {
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c.JSON(http.StatusOK, gin.H{"success": false, "message": "读取测试失败: " + firstLine(readOut, err)})
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return
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}
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readMBps := parseDDMBps(readOut)
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if direct {
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mode += "/direct"
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} else {
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mode += "/cache"
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}
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// 回写节点
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now := time.Now()
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database.DB.Model(&n).Updates(map[string]any{
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"disk_write_mbps": writeMBps, "disk_read_mbps": readMBps,
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"disk_test_mode": mode, "disk_tested_at": &now,
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})
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c.JSON(http.StatusOK, gin.H{
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"success": true, "writeMBps": writeMBps, "readMBps": readMBps,
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"mode": mode, "elapsedMs": time.Since(start).Milliseconds(),
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"message": fmt.Sprintf("写入 %.0f MB/s · 读取 %.0f MB/s（%s）", writeMBps, readMBps, map[bool]string{true: "direct 直测", false: "含缓存"}[direct]),
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})
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}
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@@ -394,7 +394,7 @@ func UpdateBuildNode(c *gin.Context) {
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}
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var raw map[string]any
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_ = c.ShouldBindJSON(&raw)
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for _, k := range []string{"name", "ip", "labels", "maxConcurrency", "workspacePath", "diskInfo", "enabled"} {
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for _, k := range []string{"name", "ip", "labels", "maxConcurrency", "workspacePath", "diskInfo", "credentialId", "enabled"} {
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if v, ok := raw[k]; ok {
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database.DB.Model(&n).Update(k, v)
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}
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