样式修改

EdgeAPI/internal/installers/installer_base.go

@@ -146,6 +146,57 @@ func (this *BaseInstaller) LookupLatestInstaller(filePrefix string) (string, err
 	return result, nil
 }
 
+// LookupLatestInstallerForTarget 按目标系统优先选择安装包：
+// 1) Linux 且识别到发行版时，优先 filePrefix-{distroTag}-v*.zip（如 ubuntu22.04 / amzn2023）
+// 2) 回退 filePrefix-v*.zip（通用包）
+func (this *BaseInstaller) LookupLatestInstallerForTarget(filePrefix string, env *Env) (string, error) {
+	if env != nil && env.OS == "linux" {
+		distroTag, err := this.detectLinuxDistroTag()
+		if err != nil {
+			return "", err
+		}
+		if len(distroTag) > 0 {
+			zipFile, err := this.LookupLatestInstaller(filePrefix + "-" + distroTag)
+			if err != nil {
+				return "", err
+			}
+			if len(zipFile) > 0 {
+				return zipFile, nil
+			}
+		}
+	}
+	return this.LookupLatestInstaller(filePrefix)
+}
+
+// detectLinuxDistroTag 识别远端 Linux 发行版标签（用于选择发行版定制安装包）。
+// 当前支持：ubuntu22.04 / amzn2023；其他系统返回空字符串（回退通用包）。
+func (this *BaseInstaller) detectLinuxDistroTag() (string, error) {
+	if this.client == nil {
+		return "", nil
+	}
+
+	releaseData, stderr, err := this.client.Exec("cat /etc/os-release")
+	if err != nil {
+		return "", fmt.Errorf("read /etc/os-release failed: %w, stderr: %s", err, stderr)
+	}
+	if len(strings.TrimSpace(releaseData)) == 0 {
+		return "", nil
+	}
+
+	releaseMap := parseOSRelease(releaseData)
+	id := strings.ToLower(strings.TrimSpace(releaseMap["ID"]))
+	versionID := strings.TrimSpace(releaseMap["VERSION_ID"])
+
+	switch {
+	case id == "ubuntu" && strings.HasPrefix(versionID, "22.04"):
+		return "ubuntu22.04", nil
+	case id == "amzn" && strings.HasPrefix(versionID, "2023"):
+		return "amzn2023", nil
+	default:
+		return "", nil
+	}
+}
+
 // InstallHelper 上传安装助手
 func (this *BaseInstaller) InstallHelper(targetDir string, role nodeconfigs.NodeRole) (env *Env, err error) {
 	var uname = this.uname()