1, 修复升级代码逻辑bug; 2, 设计要求: 无论出厂版本软连接是绝对路径还是相对路径, 升级代码和前端后台的切换版本代码都应该支持; 升级后或前端切换版本后, 软连接都会变成相对路径。目前代码按照这个原则处理实现

upgrade.service/upgrade.go

@@ -174,8 +174,9 @@ func (p *program) upgradeService(service serviceUpgradeConfig) (string, string,
 		return "", "", false, fmt.Errorf("获取当前版本目录失败: %w", err)
 	}
 
-	targetName := nextVersionDir(currentDir)
-	targetDir := filepath.Join(service.InstallPath, targetName)
+	targetVersion := nextVersionDir(currentDir)
+	targetDir := filepath.Join(service.InstallPath, targetVersion)
+	targetName := filepath.Join(targetVersion, service.Name)
 	pkg := filepath.Join(os.TempDir(), service.Name+".tar.gz")
 	defer os.Remove(pkg)
 
@@ -248,10 +249,10 @@ func getCurrentVersionDir(installPath string, serviceName string) (string, error
 
 	target = filepath.Clean(target)
 
-	name := filepath.Base(target)
+	name := filepath.Base(filepath.Dir(target))
 	switch name {
 	case "a", "b", "c":
-		return target, nil
+		return filepath.Join(installPath, name), nil
 	default:
 		return "", fmt.Errorf("当前软链接指向无效的版本目录: %s", target)
 	}
@@ -286,9 +287,14 @@ func installPackage(pkg string, targetDir string, service serviceUpgradeConfig)
 	}
 
 	program := filepath.Join(tempDir, service.Name)
-	if _, err := os.Stat(program); err != nil {
+
+	info, err := os.Stat(program)
+	if err != nil {
 		return fmt.Errorf("检查%s服务程序失败: %w", service.Name, err)
 	}
+	if info.IsDir() || info.Size() == 0 || info.Mode().Perm()&0111 == 0 {
+		return fmt.Errorf("检查%s服务程序失败: 文件异常", service.Name)
+	}
 
 	if err := os.RemoveAll(targetDir); err != nil {
 		return fmt.Errorf("清理%s版本目录失败: %w", service.Name, err)
@@ -373,11 +379,13 @@ func switchServiceVersion(serviceName string, installPath string, targetName str
 	_ = os.Remove(tempLink)
 
 	if err := os.Symlink(targetName, tempLink); err != nil {
+		exec.Command("systemctl", "start", service).Run()
 		return err
 	}
 
 	if err := os.Rename(tempLink, currentLink); err != nil {
 		_ = os.Remove(tempLink)
+		exec.Command("systemctl", "start", service).Run()
 		return err
 	}