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This commit is contained in:
Qichao
2026-02-15 07:18:14 +08:00
parent d7cd899983
commit 8a7bf8a39c
39 changed files with 1578 additions and 2868 deletions
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29
autofs.yaml Normal file
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@@ -0,0 +1,29 @@
description: AutoFS server for SunHPC clusters
copyright: |
Copyright (c) 2026 SunHPC Project.
Licensed under Apache 2.0.
stages:
post:
- type: file
path: /etc/auto.master
content: |
/share /etc/auto.share --timeout=1200
/home /etc/auto.home --timeout=1200
- type: file
path: /etc/auto.share
content: |
apps {{ .Node.Hostname }}.{{ .Cluster.Domain }}:/export/&
- type: script
content: |
mkdir -p /export/apps
echo "AutoFS 配置已生成"
configure:
- type: script
condition: "{{ if .Node.OldHostname }}true{{ end }}"
content: |
sed -i 's/{{ .Node.OldHostname }}/{{ .Node.Hostname }}/g' /etc/auto.share
systemctl restart autofs

73
cmd/init/config.go
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@@ -11,31 +11,58 @@ import (
"github.com/spf13/cobra"
)
var configCmd = &cobra.Command{
Use: "config",
Short: "生成基础配置文件",
Long: "创建 /etc/sunhpc 目录并生成所有默认配置文件（若目录已存在则跳过）",
RunE: func(cmd *cobra.Command, args []string) error {
if err := auth.RequireRoot(); err != nil {
return err
}
// NewConfigCmd 创建 "init config" 命令
func NewConfigCmd() *cobra.Command {
var (
force bool
path string
verbose bool
)
// 检查目录是否已存在
if _, err := os.Stat(config.BaseDir); err == nil {
log.Warnf("配置目录 %s 已存在，跳过初始化", config.BaseDir)
cmd := &cobra.Command{
Use: "config",
Short: "生成默认配置文件",
Long: `
在指定路径生成 SunHPC 默认配置文件 (sunhpc.yaml)
示例:
sunhpc init config # 生成默认配置文件
sunhpc init config -f # 强制覆盖已有配置文件
sunhpc init config -p /etc/sunhpc/sunhpc.yaml # 指定路径
`,
Annotations: map[string]string{
"require-root": "true", // 假设需要 root（你可自定义策略）
},
RunE: func(cmd *cobra.Command, args []string) error {
if err := auth.RequireRoot(); err != nil {
return err
}
if path == "" {
path = "/etc/sunhpc/sunhpc.yaml"
}
if !force {
if _, err := os.Stat(path); err == nil {
return fmt.Errorf("配置文件已存在: %s (使用 --force 覆盖)", path)
}
}
if err := config.WriteDefaultConfig(path); err != nil {
return fmt.Errorf("写入配置失败: %w", err)
}
log.Infof("✅ 配置文件已生成: %s", path)
return nil
}
},
}
log.Info("初始化 SunHPC 配置目录...")
if err := config.InitDirs(); err != nil {
return fmt.Errorf("创建目录失败: %v", err)
}
// 定义局部 flags
cmd.Flags().BoolVarP(&force, "force", "f", false, "强制覆盖已有配置文件")
cmd.Flags().StringVarP(&path, "path", "p", "", "指定配置文件路径")
cmd.Flags().BoolVarP(&verbose, "verbose", "v", false, "显示详细日志")
if err := config.CreateDefaultConfigs(); err != nil {
return fmt.Errorf("生成默认配置文件失败: %v", err)
}
log.Info("配置文件已生成，请根据需要编辑 /etc/sunhpc/ 下的 YAML 文件")
return nil
},
return cmd
}

194
cmd/init/database.go
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@@ -1,193 +1,47 @@
package initcmd
import (
"bufio"
"fmt"
"os"
"path/filepath"
"strings"
"sunhpc/internal/auth"
"sunhpc/internal/db"
"sunhpc/internal/log"
"github.com/spf13/cobra"
"github.com/spf13/viper"
)
const (
appName string = "sunhpc"
defaultDBPath string = "/var/lib/sunhpc"
defaultDBName string = "sunhpc.db"
)
func NewDatabaseCmd() *cobra.Command {
var force bool
var (
forceDB bool
dbPath string
dbName string
dbFullPath string
)
func initDBPathWithViper() error {
/*
从 Viper 配置文件获取数据库路径
配置文件里的键要和 Viper.GetXXX 的键对应
配置文件格式：
db:
path: "/tmp/sunhpc" # 自定义数据库路径
name: "my_sunhpc.db" # 自定义数据库名
*/
log.Infof("从 Viper 配置文件获取数据库路径...")
// ========== 第一步：设置 Viper 配置文件规则（核心） ==========
// 1. 设置Viper基础规则
viper.SetConfigType("yaml") // 配置文件类型
viper.SetConfigName("config") // 配置文件名（不带后缀）
viper.SetEnvPrefix(appName) // 环境变量前缀：SUNHPC_
viper.AutomaticEnv() // 自动读取环境变量（可选，增强兼容性）
// 2. 添加配置文件搜索目录（Viper 会按顺序查找，找到第一个就停止）
// 优先级：当前目录 → 用户级目录 → 系统级目录
// ① 当前目录（开发/测试常用）
viper.AddConfigPath(".")
// ② Linux/macOS 用户级目录（~/.config/sunhpc/）
if homeDir, err := os.UserHomeDir(); err == nil {
viper.AddConfigPath(filepath.Join(homeDir, ".config", appName))
}
// ③ Linux/macOS 系统级目录（/etc/sunhpc/）
viper.AddConfigPath(filepath.Join("/etc", appName))
// ========== 第二步：设置默认值（最低优先级） ==========
viper.SetDefault("db.path", defaultDBPath)
viper.SetDefault("db.name", defaultDBName)
// ========== 第三步：绑定环境变量（优先级高于默认值，低于配置文件） ==========
viper.BindEnv("db.path", "DB_PATH") // 绑定 SUNHPC_DB_PATH → db.path
viper.BindEnv("db.name", "DB_NAME") // 绑定 SUNHPC_DB_NAME → db.name
// ========== 第四步：读取配置文件（优先级高于环境变量，低于默认值） ==========
if err := viper.ReadInConfig(); err != nil {
if _, ok := err.(viper.ConfigFileNotFoundError); ok {
log.Info("未找到配置文件,将使用环境变量/默认值")
return nil // 配置文件存在但格式错误，返回错误
}
log.Warnf("读取配置文件失败: %v", err)
return fmt.Errorf("读取配置文件失败: %w", err)
}
log.Infof("成功加载配置文件: %s", viper.ConfigFileUsed())
return nil
}
func initDBPath() error {
// 1. 从 Viper 配置文件获取数据库路径(加载配置文件->环境变量->默认值)
if err := initDBPathWithViper(); err != nil {
return fmt.Errorf("Viper初始化数据库失败: %v", err)
}
// 2. 从Viper获取数据库路径
dbPath = viper.GetString("db.path")
dbName = viper.GetString("db.name")
// 3. 拼接数据库路径
dbFullPath = filepath.Join(dbPath, dbName)
log.Infof("数据库完整路径: %s", dbFullPath)
// 3. 检查数据库文件是否存在
dir := filepath.Dir(dbFullPath)
// 4. 检查数据库目录是否存在
if _, err := os.Stat(dir); os.IsNotExist(err) {
log.Infof("数据库目录不存在,创建目录: %s", dir)
if err := os.MkdirAll(dir, 0755); err != nil {
return fmt.Errorf("创建数据库目录失败: %v", err)
}
}
return nil
}
var databaseCmd = &cobra.Command{
Use: "database",
Short: "初始化数据库",
Long: `初始化SQLite数据库,创建所有表结构和默认数据。
cmd := &cobra.Command{
Use: "database",
Short: "初始化数据库",
Long: `初始化SQLite数据库,创建所有表结构和默认数据。
示例:
sunhpc init database # 初始化数据库
sunhpc init database --force # 强制重新初始化`,
RunE: func(cmd *cobra.Command, args []string) error {
if err := auth.RequireRoot(); err != nil {
return err
}
log.Debug("初始化数据库...")
if err := initDBPath(); err != nil {
return fmt.Errorf("初始化数据库路径失败: %w", err)
}
log.Debugf("数据库目录存在: %s", dbPath)
// 强制模式：用户确认
if forceDB {
log.Warn("⚠️ 警告：强制重新初始化将清空数据库中的所有数据！")
fmt.Printf("数据库路径: %s\n", dbFullPath)
fmt.Print("确认要重新初始化数据库吗？这将删除所有现有数据。(Y/yes): ")
reader := bufio.NewReader(os.Stdin)
input, err := reader.ReadString('\n')
if err != nil {
return fmt.Errorf("读取用户输入失败: %v", err)
Annotations: map[string]string{
"skip-db-check": "true", // 标记此命令跳过数据库检查
},
RunE: func(cmd *cobra.Command, args []string) error {
if err := auth.RequireRoot(); err != nil {
return err
}
input = strings.TrimSpace(strings.ToLower(input))
if input != "y" && input != "yes" {
log.Info("操作已取消")
return nil
log.Info("初始化数据库...")
if force {
log.Warn("⚠️ 警告：强制重新初始化将清空数据库中的所有数据！")
}
log.Info("用户确认重新初始化数据库")
}
// 数据库存在且不是强制模式则跳过初始化
if _, err := os.Stat(dbFullPath); err == nil && !forceDB {
log.Infof("数据库文件已存在: %s", dbFullPath)
dbInst := db.MustGetDB() // panic if fail (ok for CLI tool)
if err := dbInst.InitSchema(force); err != nil {
return err
}
log.Info("数据库初始化完成")
return nil
}
},
}
// 初始化数据库（使用配置的路径）
database, err := db.GetInstanceWithConfig(dbPath, dbName)
if err != nil {
return fmt.Errorf("初始化数据库失败: %v", err)
}
defer database.Close()
// 如果是强制模式，设置强制重新初始化标志
if forceDB {
database.SetForceInit(true)
log.Info("强制重新初始化数据库表...")
// 关闭现有连接以触发重新连接
if err := database.CloseConnection(); err != nil {
return fmt.Errorf("关闭现有数据库连接失败: %v", err)
}
// 重新连接并初始化
if err := database.Connect(); err != nil {
return fmt.Errorf("强制重新初始化数据库失败: %v", err)
}
}
log.Infof("数据库初始化成功: %s", dbFullPath)
return nil
},
}
func init() {
databaseCmd.Flags().BoolVarP(&forceDB, "force", "f", false, "强制重新初始化，删除现有数据库")
Cmd.AddCommand(databaseCmd)
cmd.Flags().BoolVarP(&force, "force", "f", false, "强制重新初始化")
return cmd
}

7
cmd/init/init.go
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@@ -4,6 +4,7 @@ import (
"github.com/spf13/cobra"
)
// 仅定义 Cmd， 注册子命令,只负责组装命令树，尽量不包含业务逻辑
var Cmd = &cobra.Command{
Use: "init",
Short: "初始化集群配置",
@@ -11,7 +12,7 @@ var Cmd = &cobra.Command{
}
func init() {
Cmd.AddCommand(configCmd)
Cmd.AddCommand(systemCmd)
Cmd.AddCommand(serviceCmd)
// 注册所有子命令（通过工厂函数创建, 例如 DatabaseCmd()）
Cmd.AddCommand(NewDatabaseCmd())
Cmd.AddCommand(NewConfigCmd())
}

37
cmd/init/service.go
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@@ -1,37 +0,0 @@
package initcmd
import (
"fmt"
"sunhpc/internal/auth"
"sunhpc/internal/config"
"sunhpc/internal/log"
"sunhpc/internal/service"
"github.com/spf13/cobra"
)
var serviceCmd = &cobra.Command{
Use: "service",
Short: "根据配置文件初始化服务",
Long: `读取 /etc/sunhpc/services.yaml 并部署/配置相关服务。
支持 HTTPD、TFTPD、DHCPD 等。`,
RunE: func(cmd *cobra.Command, args []string) error {
if err := auth.RequireRoot(); err != nil {
return err
}
svcCfg, err := config.LoadServices()
if err != nil {
return fmt.Errorf("加载 services.yaml 失败: %v", err)
}
log.Info("开始部署服务...")
if err := service.Deploy(svcCfg); err != nil {
return fmt.Errorf("服务部署失败: %v", err)
}
log.Info("服务初始化完成")
return nil
},
}

49
cmd/init/system.go
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@@ -1,49 +0,0 @@
package initcmd
import (
"fmt"
"sunhpc/internal/auth"
"sunhpc/internal/config"
"sunhpc/internal/system"
"github.com/spf13/cobra"
)
var (
dryRun bool // --dry-run -n: 仅模拟执行，不实际应用
verbose bool // --verbose -v: 启用详细日志输出
)
var systemCmd = &cobra.Command{
Use: "system [flags]",
Short: "根据配置文件初始化系统",
Long: `读取 /etc/sunhpc/sunhpc.yaml 中的系统配置项并应用到当前节点。
示例:
sunhpc init system # 应用所有配置项
sunhpc init system --dry-run # 仅模拟执行，不实际应用
sunhpc init system --verbose # 启用详细日志输出
`,
RunE: func(cmd *cobra.Command, args []string) error {
// 权限检查：必须以 root 或 sudo 运行
if err := auth.RequireRoot(); err != nil {
return err
}
// 加载主配置
cfg, err := config.LoadSunHPC()
if err != nil {
return fmt.Errorf("加载 sunhpc.yaml 失败: %v", err)
}
// 统一应用所有配置
return system.ApplyAll(cfg)
},
}
// init 初始化 systemCmd 的标志,添加长参数和段参数.
func init() {
// 注册长参数, 布尔参数
systemCmd.Flags().BoolVarP(&dryRun, "dry-run", "n", false, "仅模拟执行，不实际应用")
systemCmd.Flags().BoolVarP(&verbose, "verbose", "v", false, "启用详细日志输出")
}

113
cmd/node.go
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@@ -1,113 +0,0 @@
package cmd
import (
"fmt"
"sunhpc/internal/db"
"sunhpc/internal/log"
"github.com/spf13/cobra"
)
var nodeCmd = &cobra.Command{
Use: "node",
Short: "节点管理",
Long: "管理集群节点，包括添加、删除、查询等操作",
}
var nodeListCmd = &cobra.Command{
Use: "list",
Short: "列出所有节点",
RunE: func(cmd *cobra.Command, args []string) error {
log.Info("查询节点列表...")
// 获取数据库实例（自动使用之前配置的路径）
database, err := db.GetInstance()
if err != nil {
return fmt.Errorf("获取数据库连接失败: %v", err)
}
defer database.Close()
// 执行查询
_, err = database.Execute("SELECT id, name, rack, rank, cpus, memory, disk, os, kernel FROM nodes ORDER BY name")
if err != nil {
return fmt.Errorf("查询节点失败: %v", err)
}
// 获取所有结果
rows, err := database.FetchAll()
if err != nil {
return fmt.Errorf("获取结果失败: %v", err)
}
if len(rows) == 0 {
log.Info("暂无节点数据")
return nil
}
// 打印结果
fmt.Printf("%-5s %-20s %-8s %-8s %-8s %-10s %-10s %-10s\n",
"ID", "名称", "机架", "排名", "CPU", "内存", "磁盘", "操作系统")
fmt.Println("----------------------------------------------------------------------------------")
for _, row := range rows {
fmt.Printf("%-5v %-20s %-8v %-8v %-8v %-10v %-10v %-10s\n",
row["id"], row["name"], row["rack"], row["rank"],
row["cpus"], row["memory"], row["disk"], row["os"])
}
return nil
},
}
var nodeAddCmd = &cobra.Command{
Use: "add <name>",
Short: "添加节点",
Args: cobra.ExactArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
nodeName := args[0]
log.Infof("添加节点: %s", nodeName)
database, err := db.GetInstance()
if err != nil {
return fmt.Errorf("获取数据库连接失败: %v", err)
}
defer database.Close()
// 插入节点
_, err = database.Execute(
"INSERT INTO nodes (name, rack, rank, cpus, memory, disk, os, kernel) VALUES (?, ?, ?, ?, ?, ?, ?, ?)",
nodeName, rack, rank, cpus, memory, disk, nodeOS, kernel,
)
if err != nil {
return fmt.Errorf("添加节点失败: %v", err)
}
log.Infof("节点 %s 添加成功", nodeName)
return nil
},
}
var (
rack int
rank int
cpus int
memory int
disk int
nodeOS string
kernel string
)
func init() {
// 添加子命令
nodeCmd.AddCommand(nodeListCmd)
nodeCmd.AddCommand(nodeAddCmd)
// 添加参数
nodeAddCmd.Flags().IntVar(&rack, "rack", 0, "机架号")
nodeAddCmd.Flags().IntVar(&rank, "rank", 0, "排名")
nodeAddCmd.Flags().IntVar(&cpus, "cpus", 0, "CPU核心数")
nodeAddCmd.Flags().IntVar(&memory, "memory", 0, "内存大小(GB)")
nodeAddCmd.Flags().IntVar(&disk, "disk", 0, "磁盘大小(GB)")
nodeAddCmd.Flags().StringVar(&nodeOS, "os", "", "操作系统")
nodeAddCmd.Flags().StringVar(&kernel, "kernel", "", "内核版本")
}

97
cmd/root.go
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@@ -1,12 +1,16 @@
package cmd
import (
"os"
"strings"
initcmd "sunhpc/cmd/init"
"sunhpc/cmd/soft"
"sunhpc/cmd/tmpl"
"sunhpc/internal/auth"
"sunhpc/internal/config"
"sunhpc/internal/log"
"github.com/spf13/cobra"
"github.com/spf13/viper"
)
var (
@@ -15,26 +19,85 @@ var (
noColor bool
)
func checkDB() error {
cfg, err := config.LoadConfig()
if err != nil {
log.Fatal("加载配置失败: ", err)
}
// 统一转为小写，避免用户输入错误
dbType := strings.ToLower(cfg.DB.Type)
// 打印配置（调试用）
log.Debugf("数据库类型: %s", dbType)
log.Debugf("数据库名称: %s", cfg.DB.Name)
log.Debugf("数据库路径: %s", cfg.DB.Path)
log.Debugf("数据库用户: %s", cfg.DB.User)
log.Debugf("数据库主机: %s", cfg.DB.Host)
log.Debugf("数据库套接字: %s", cfg.DB.Socket)
log.Debugf("数据库详细日志: %v", cfg.DB.Verbose)
// 支持 sqlite，mysql的常见别名
isSQLite := dbType == "sqlite" || dbType == "sqlite3"
isMySQL := dbType == "mysql"
// 检查数据库类型,只允许 sqlite 和 mysql
if !isSQLite && !isMySQL {
log.Fatalf("不支持的数据库类型: %s(仅支持 sqlite、sqlite3、mysql)", dbType)
}
// 检查数据库路径是否存在
if isSQLite {
if _, err := os.Stat(cfg.DB.Path); os.IsNotExist(err) {
log.Warnf("SQLite 数据库路径 %s 不存在", cfg.DB.Path)
log.Fatalf("必须先执行 'sunhpc init database' 初始化数据库")
}
}
return nil
}
var rootCmd = &cobra.Command{
Use: "sunhpc",
Short: "SunHPC - HPC集群一体化运维工具",
PersistentPreRun: func(cmd *cobra.Command, args []string) {
// 初始化日志
// 初始化日志（verbose=false 不显示调试信息）
log.Init(verbose)
// 是否禁用颜色
if noColor {
log.EnableColor(false)
log.EnableColor(!noColor)
log.Debugf("当前命令 Annotations: %+v", cmd.Annotations)
// 检查当前命令是否标记为跳过 DB 检查
if cmd.Annotations["skip-db-check"] == "true" {
log.Debugf("当前命令 %s 标记为跳过 DB 检查", cmd.Name())
return
} else {
// 检查数据库
if err := checkDB(); err != nil {
log.Fatalf("数据库检查失败: %v", err)
}
}
log.Debugf("命令: %s", cmd.Name())
// 需要 root 权限
if cmd.Annotations["require-root"] == "true" {
if err := auth.RequireRoot(); err != nil {
log.Fatalf("需要 root 权限: %v", err)
}
}
log.Debugf("当前命令: %s", cmd.Name())
log.Debugf("详细模式: %v", verbose)
log.Debugf("禁用颜色: %v", noColor)
},
PersistentPostRun: func(cmd *cobra.Command, args []string) {
// 同步日志
log.Sync()
log.Close()
},
Run: func(cmd *cobra.Command, args []string) {
cmd.Help()
},
}
func Execute() error {
@@ -42,32 +105,12 @@ func Execute() error {
}
func init() {
cobra.OnInitialize(initConfig)
rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "配置文件路径 (默认为 /etc/sunhpc/sunhpc.yaml)")
rootCmd.PersistentFlags().BoolVarP(&verbose, "verbose", "v", false, "启用详细日志输出")
rootCmd.PersistentFlags().BoolVar(&noColor, "no-color", false, "禁用彩色输出")
// 注册一级子命令
// 注册一级子命令下的子命令树
rootCmd.AddCommand(initcmd.Cmd)
rootCmd.AddCommand(soft.Cmd)
rootCmd.AddCommand(nodeCmd)
}
func initConfig() {
if cfgFile != "" {
viper.SetConfigFile(cfgFile)
} else {
viper.AddConfigPath("/etc/sunhpc")
viper.SetConfigType("yaml")
viper.SetConfigName("sunhpc")
}
viper.AutomaticEnv()
if err := viper.ReadInConfig(); err == nil {
log.Infof("使用配置文件: %s", viper.ConfigFileUsed())
} else {
log.Debugf("未找到配置文件: %v", err)
}
rootCmd.AddCommand(tmpl.Cmd)
}

58
cmd/tmpl/dump.go Normal file
View File

@@ -0,0 +1,58 @@
package tmpl
import (
"fmt"
"sunhpc/internal/log"
"sunhpc/internal/templating"
"github.com/spf13/cobra"
)
func newDumpCmd() *cobra.Command {
var output string
cmd := &cobra.Command{
Use: "dump <template-name>",
Short: "导出内置模板到文件",
Long: `
将内置的 YAML 模板导出为可编辑的文件。
示例:
sunhpc tmpl dump autofs --output ./my-autofs.yaml`,
Args: cobra.ExactArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
name := args[0]
// 检查模板是否存在
available, _ := templating.ListEmbeddedTemplates()
found := false
for _, n := range available {
if n == name {
found = true
break
}
}
if !found {
return fmt.Errorf("内置模板 '%s' 不存在。可用模板: %v", name, available)
}
outPath := output
if outPath == "" {
outPath = name + ".yaml"
}
if err := templating.DumpEmbeddedTemplateToFile(name, outPath); err != nil {
return err
}
log.Infof("内置模板 '%s' 已导出到: %s", name, outPath)
log.Infof("你可以编辑此文件，然后用以下命令使用它：")
log.Infof(" sunhpc tmpl render %s -f %s [flags]", name, outPath)
return nil
},
}
cmd.Flags().StringVarP(&output, "output", "o", "", "输出文件路径（默认: <name>.yaml）")
return cmd
}

16
cmd/tmpl/init.go Normal file
View File

@@ -0,0 +1,16 @@
// cmd/tmpl/init.go
package tmpl
import "github.com/spf13/cobra"
// Cmd 是 sunhpc tmpl 的根命令
var Cmd = &cobra.Command{
Use: "tmpl",
Short: "管理配置模板",
Long: "从 YAML 模板生成配置文件或脚本，支持变量替换和多阶段执行",
}
func init() {
Cmd.AddCommand(newRenderCmd())
Cmd.AddCommand(newDumpCmd())
}

96
cmd/tmpl/render.go Normal file
View File

@@ -0,0 +1,96 @@
package tmpl
import (
"fmt"
"sunhpc/internal/log"
"sunhpc/internal/templating"
"github.com/spf13/cobra"
)
var (
tmplFile string
hostname string
domain string
oldHostname string
ip string
clusterName string
outputRoot string
)
func newRenderCmd() *cobra.Command {
cmd := &cobra.Command{
Use: "render <template-name>",
Short: "渲染配置模板",
Long: "根据 YAML 模板和上下文变量生成配置文件或脚本",
Args: cobra.ExactArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
tmplName := args[0]
var template *templating.Template
var err error
// 优先使用 -f 指定的外部模版文件
if tmplFile != "" {
template, err = templating.LoadTemplate(tmplFile)
if err != nil {
return fmt.Errorf("加载外部模板失败: %w", err)
}
log.Infof("✅ 外部模板 '%s' 已加载\n", tmplFile)
} else {
// 否则从内置模板加载
template, err = templating.LoadEmbeddedTemplate(tmplName)
if err != nil {
return err
}
log.Infof("✅ 内置模板 '%s' 已加载\n", tmplName)
}
ctx := templating.Context{
Node: templating.NodeInfo{
Hostname: hostname,
OldHostname: oldHostname,
Domain: domain,
IP: ip,
},
Cluster: templating.ClusterInfo{
Name: clusterName,
},
}
rendered, err := template.Render(ctx)
if err != nil {
return fmt.Errorf("模板渲染失败: %w", err)
}
// 处理 post 阶段
if steps, ok := rendered["post"]; ok {
fmt.Println(">>> 执行 post 阶段")
if err := templating.WriteFiles(steps, outputRoot); err != nil {
return err
}
templating.PrintScripts(steps)
}
// 处理 configure 阶段
if steps, ok := rendered["configure"]; ok {
fmt.Println(">>> 执行 configure 阶段")
templating.PrintScripts(steps)
}
fmt.Println("✅ 模板渲染完成")
return nil
},
}
cmd.Flags().StringVarP(&tmplFile, "file", "f", "", "指定模板文件路径（覆盖默认查找）")
cmd.Flags().StringVar(&hostname, "hostname", "", "节点主机名")
cmd.Flags().StringVar(&domain, "domain", "cluster.local", "DNS 域名")
cmd.Flags().StringVar(&oldHostname, "old-hostname", "", "旧主机名（用于迁移）")
cmd.Flags().StringVar(&ip, "ip", "", "节点 IP 地址")
cmd.Flags().StringVar(&clusterName, "cluster", "default", "集群名称")
cmd.Flags().StringVarP(&outputRoot, "output", "o", "/", "文件输出根目录")
_ = cmd.MarkFlagRequired("hostname")
return cmd
}

3
config.yaml
View File

@@ -1,3 +0,0 @@
db:
path: "/tmp/sunhpc"
name: "sunhpc.db"

2
go.mod
View File

@@ -9,8 +9,10 @@ require (
)
require (
filippo.io/edwards25519 v1.1.0 // indirect
github.com/fatih/color v1.18.0 // indirect
github.com/fsnotify/fsnotify v1.9.0 // indirect
github.com/go-sql-driver/mysql v1.9.3 // indirect
github.com/go-viper/mapstructure/v2 v2.4.0 // indirect
github.com/inconshreveable/mousetrap v1.1.0 // indirect
github.com/mattn/go-colorable v0.1.13 // indirect

4
go.sum
View File

@@ -1,3 +1,5 @@
filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA=
filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4=
github.com/cpuguy83/go-md2man/v2 v2.0.6/go.mod h1:oOW0eioCTA6cOiMLiUPZOpcVxMig6NIQQ7OS05n1F4g=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -7,6 +9,8 @@ github.com/frankban/quicktest v1.14.6 h1:7Xjx+VpznH+oBnejlPUj8oUpdxnVs4f8XU8WnHk
github.com/frankban/quicktest v1.14.6/go.mod h1:4ptaffx2x8+WTWXmUCuVU6aPUX1/Mz7zb5vbUoiM6w0=
github.com/fsnotify/fsnotify v1.9.0 h1:2Ml+OJNzbYCTzsxtv8vKSFD9PbJjmhYF14k/jKC7S9k=
github.com/fsnotify/fsnotify v1.9.0/go.mod h1:8jBTzvmWwFyi3Pb8djgCCO5IBqzKJ/Jwo8TRcHyHii0=
github.com/go-sql-driver/mysql v1.9.3 h1:U/N249h2WzJ3Ukj8SowVFjdtZKfu9vlLZxjPXV1aweo=
github.com/go-sql-driver/mysql v1.9.3/go.mod h1:qn46aNg1333BRMNU69Lq93t8du/dwxI64Gl8i5p1WMU=
github.com/go-viper/mapstructure/v2 v2.4.0 h1:EBsztssimR/CONLSZZ04E8qAkxNYq4Qp9LvH92wZUgs=
github.com/go-viper/mapstructure/v2 v2.4.0/go.mod h1:oJDH3BJKyqBA2TXFhDsKDGDTlndYOZ6rGS0BRZIxGhM=
github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=

166
internal/config/config.go
View File

@@ -1,26 +1,135 @@
package config
import (
"fmt"
"os"
"path/filepath"
"strings"
"gopkg.in/yaml.v3"
"github.com/spf13/viper"
)
const (
BaseDir = "/etc/sunhpc"
LogDir = "/var/log/sunhpc"
TmplDir = BaseDir + "/tmpl.d"
BaseDir string = "/etc/sunhpc"
LogDir string = "/var/log/sunhpc"
TmplDir string = BaseDir + "/tmpl.d"
appName string = "sunhpc"
defaultDBPath string = "/var/lib/sunhpc"
defaultDBName string = "sunhpc.db"
)
var (
SunHPCFile = filepath.Join(BaseDir, "sunhpc.yaml")
NodesFile = filepath.Join(BaseDir, "nodes.yaml")
NetworkFile = filepath.Join(BaseDir, "network.yaml")
DisksFile = filepath.Join(BaseDir, "disks.yaml")
ServicesFile = filepath.Join(BaseDir, "services.yaml")
FirewallFile = filepath.Join(BaseDir, "iptables.yaml")
)
type Config struct {
DB DBConfig `yaml:"db"`
Log LogConfig `yaml:"log"`
Cluster ClusterConfig `yaml:"cluster"`
}
type DBConfig struct {
Type string `yaml:"type"`
Path string `yaml:"path"` // SQLite: 目录路径
Name string `yaml:"name"` // SQLite: 文件名
User string `yaml:"user"`
Password string `yaml:"password"`
Host string `yaml:"host"`
Port int `yaml:"port"`
Socket string `yaml:"socket"`
Verbose bool `yaml:"verbose"`
}
type LogConfig struct {
Level string `yaml:"level"`
Format string `yaml:"format"`
Output string `yaml:"output"`
FilePath string `yaml:"file_path"`
}
type ClusterConfig struct {
Name string `yaml:"name"`
AdminEmail string `yaml:"admin_email"`
TimeZone string `yaml:"time_zone"`
NodePrefix string `yaml:"node_prefix"`
}
// LoadConfig loads configuration with the following precedence:
// 优先级排序:
// 1. 环境变量 (prefix: SUNHPC_)
// 2. ~/.sunhpc.yaml
// 3. ./sunhpc.yaml
// 4. /etc/sunhpc/sunhpc.yaml
// 5. Default values
/*
示例配置文件:
```yaml
db:
type: sqlite
name: sunhpc.db
path: /var/lib/sunhpc
socket: /var/lib/sunhpc/mysql/mysqld.sock
user: root
password: ""
host: localhost
```
环境变量配置示例:
```bash
export SUNHPC_DATABASE_TYPE=mysql
export SUNHPC_DATABASE_NAME=sunhpc
export SUNHPC_DATABASE_USER=root
export SUNHPC_DATABASE_PASSWORD=123456
export SUNHPC_DATABASE_HOST=localhost
```
*/
func LoadConfig() (*Config, error) {
v := viper.New()
// Step 1: 设置默认值(最低优先级)
v.SetDefault("db.type", "sqlite")
v.SetDefault("db.name", "sunhpc.db")
v.SetDefault("db.path", "/var/lib/sunhpc")
v.SetDefault("db.socket", "/var/lib/sunhpc/mysql/mysqld.sock")
v.SetDefault("db.user", "")
v.SetDefault("db.password", "")
v.SetDefault("db.host", "localhost")
v.SetDefault("db.port", 3306)
v.SetDefault("db.verbose", false)
// Step 2: 启用环境变量（高优先级）
v.SetEnvPrefix("SUNHPC") // e.g., SUNHPC_DATABASE_NAME
v.SetEnvKeyReplacer(strings.NewReplacer(".", "_")) // db.type -> SUNHPC_DB_TYPE
v.AutomaticEnv() // Auto bind env vars matching config keys
// Step 3: 按优先级从高到低加载配置文件
// 优先级: env > ./sunhpc.yaml > ~/.sunhpc.yaml > /etc/sunhpc/sunhpc.yaml > defaults
configFiles := []string{
"./sunhpc.yaml",
filepath.Join(os.Getenv("HOME"), ".sunhpc.yaml"),
filepath.Join(BaseDir, "sunhpc.yaml"),
}
var configFile string
for _, cfgFile := range configFiles {
if _, err := os.Stat(cfgFile); err == nil {
configFile = cfgFile
break // 找到第一个就停止.
}
}
// 如果找到配置文件，就加载它.
if configFile != "" {
v.SetConfigFile(configFile)
if err := v.ReadInConfig(); err != nil {
return nil, fmt.Errorf("加载配置文件 %s 失败: %w", configFile, err)
}
}
// 解码到结构体
var cfg Config
if err := v.Unmarshal(&cfg); err != nil {
return nil, fmt.Errorf("解码配置到结构体失败: %w", err)
}
return &cfg, nil
}
// InitDirs 创建所有必需目录
func InitDirs() error {
@@ -31,39 +140,8 @@ func InitDirs() error {
}
for _, d := range dirs {
if err := os.MkdirAll(d, 0755); err != nil {
return err
return fmt.Errorf("创建目录 %s 失败: %w", d, err)
}
}
return nil
}
// CreateDefaultConfigs 生成默认 YAML 配置文件
func CreateDefaultConfigs() error {
files := map[string]interface{}{
SunHPCFile: DefaultSunHPC(),
NodesFile: DefaultNodes(),
NetworkFile: DefaultNetwork(),
DisksFile: DefaultDisks(),
ServicesFile: DefaultServices(),
FirewallFile: DefaultFirewall(),
}
for path, data := range files {
if err := writeYAML(path, data); err != nil {
return err
}
}
return nil
}
func writeYAML(path string, data interface{}) error {
f, err := os.Create(path)
if err != nil {
return err
}
defer f.Close()
enc := yaml.NewEncoder(f)
defer enc.Close()
return enc.Encode(data)
}

158
internal/config/defaults.go
View File

@@ -1,128 +1,60 @@
package config
// SunHPC 主配置
type SunHPCConfig struct {
Hostname string `yaml:"hostname"`
MOTD string `yaml:"motd"`
Sysctl map[string]string `yaml:"sysctl"`
SELinux string `yaml:"selinux"` // enforcing, permissive, disabled
SSH SSHConfig `yaml:"ssh"`
}
import (
"os"
"path/filepath"
type SSHConfig struct {
PermitRootLogin string `yaml:"permit_root_login"`
PasswordAuth string `yaml:"password_authentication"`
}
"gopkg.in/yaml.v3"
)
func DefaultSunHPC() *SunHPCConfig {
return &SunHPCConfig{
Hostname: "sunhpc-master",
MOTD: "Welcome to SunHPC Cluster\n",
Sysctl: map[string]string{
"net.ipv4.ip_forward": "1",
"vm.swappiness": "10",
// DefaultConfig 返回 SunHPC 的默认配置结构体
func DefaultConfig() *Config {
return &Config{
DB: DBConfig{
Type: "sqlite",
Path: "/var/lib/sunhpc", // SQLite 数据库存放目录
Name: "sunhpc.db", // 数据库文件名
User: "", // SQLite 不需要
Password: "",
Host: "",
Port: 0,
Socket: "",
Verbose: false,
},
SELinux: "enforcing",
SSH: SSHConfig{
PermitRootLogin: "yes",
PasswordAuth: "yes",
Log: LogConfig{
Level: "info",
Format: "text", // or "json"
Output: "stdout",
FilePath: "/var/log/sunhpc/sunhpc.log",
},
Cluster: ClusterConfig{
Name: "default-cluster",
AdminEmail: "admin@example.com",
TimeZone: "Asia/Shanghai",
NodePrefix: "node",
},
}
}
// Nodes 节点配置
type NodesConfig struct {
Nodes []Node `yaml:"nodes"`
}
type Node struct {
Hostname string `yaml:"hostname"`
MAC string `yaml:"mac"`
IP string `yaml:"ip"`
Role string `yaml:"role"` // master, compute, login
}
func DefaultNodes() *NodesConfig {
return &NodesConfig{
Nodes: []Node{
{Hostname: "master", MAC: "00:11:22:33:44:55", IP: "192.168.1.1", Role: "master"},
},
// WriteDefaultConfig 将默认配置写入指定路径
// 如果目录不存在，会自动创建（需有权限）
// 如果文件已存在且非空，会返回错误（除非调用方先删除）
func WriteDefaultConfig(path string) error {
// 确保目录存在
dir := filepath.Dir(path)
if err := os.MkdirAll(dir, 0755); err != nil {
return err
}
}
// Network 网络配置
type NetworkConfig struct {
Interface string `yaml:"interface"`
Subnet string `yaml:"subnet"`
Netmask string `yaml:"netmask"`
Gateway string `yaml:"gateway"`
DNSServers []string `yaml:"dns_servers"`
}
// 生成默认配置
cfg := DefaultConfig()
func DefaultNetwork() *NetworkConfig {
return &NetworkConfig{
Interface: "eth0",
Subnet: "192.168.1.0",
Netmask: "255.255.255.0",
Gateway: "192.168.1.1",
DNSServers: []string{"8.8.8.8", "114.114.114.114"},
// 序列化为 YAML
data, err := yaml.Marshal(cfg)
if err != nil {
return err
}
}
// Disks 磁盘配置
type DisksConfig struct {
Disks []Disk `yaml:"disks"`
}
type Disk struct {
Device string `yaml:"device"`
Mount string `yaml:"mount"`
FSType string `yaml:"fstype"`
Options string `yaml:"options"`
}
func DefaultDisks() *DisksConfig {
return &DisksConfig{
Disks: []Disk{
{Device: "/dev/sda1", Mount: "/", FSType: "ext4", Options: "defaults"},
},
}
}
// Services 服务配置
type ServicesConfig struct {
HTTPD Service `yaml:"httpd"`
TFTPD Service `yaml:"tftpd"`
DHCPD Service `yaml:"dhcpd"`
}
type Service struct {
Enabled bool `yaml:"enabled"`
Config string `yaml:"config,omitempty"`
}
func DefaultServices() *ServicesConfig {
return &ServicesConfig{
HTTPD: Service{Enabled: true},
TFTPD: Service{Enabled: true},
DHCPD: Service{Enabled: true},
}
}
// Firewall 防火墙配置
type FirewallConfig struct {
DefaultPolicy string `yaml:"default_policy"`
Rules []string `yaml:"rules"`
}
func DefaultFirewall() *FirewallConfig {
return &FirewallConfig{
DefaultPolicy: "DROP",
Rules: []string{
"-A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT",
"-A INPUT -p icmp -j ACCEPT",
"-A INPUT -i lo -j ACCEPT",
"-A INPUT -p tcp --dport 22 -j ACCEPT",
},
}
// 写入文件（0644 权限）
return os.WriteFile(path, data, 0644)
}

43
internal/config/loaders.go
View File

@@ -1,43 +0,0 @@
package config
import (
"os"
"gopkg.in/yaml.v3"
)
func LoadSunHPC() (*SunHPCConfig, error) {
return loadYAML[SunHPCConfig](SunHPCFile)
}
func LoadNodes() (*NodesConfig, error) {
return loadYAML[NodesConfig](NodesFile)
}
func LoadNetwork() (*NetworkConfig, error) {
return loadYAML[NetworkConfig](NetworkFile)
}
func LoadDisks() (*DisksConfig, error) {
return loadYAML[DisksConfig](DisksFile)
}
func LoadServices() (*ServicesConfig, error) {
return loadYAML[ServicesConfig](ServicesFile)
}
func LoadFirewall() (*FirewallConfig, error) {
return loadYAML[FirewallConfig](FirewallFile)
}
func loadYAML[T any](path string) (*T, error) {
data, err := os.ReadFile(path)
if err != nil {
return nil, err
}
var cfg T
if err := yaml.Unmarshal(data, &cfg); err != nil {
return nil, err
}
return &cfg, nil
}

854
internal/db/db.go
View File

@@ -1,794 +1,128 @@
package db
import (
"context"
"database/sql"
"fmt"
"io/ioutil"
"os"
"path/filepath"
"strings"
"sync"
"time"
"sunhpc/internal/log"
_ "github.com/go-sql-driver/mysql"
_ "github.com/mattn/go-sqlite3"
"sunhpc/internal/config"
"sunhpc/internal/log"
)
// 全局单例
// DB wraps the sql.DB connection pool.
type DB struct {
engine *sql.DB
}
// Engine returns the underlying *sql.DB.
func (d *DB) Engine() *sql.DB {
return d.engine
}
// InitSchema initializes the database schema.
// If force is true, drops existing tables before recreating them.
func (d *DB) InitSchema(force bool) error {
db := d.engine
if force {
if err := dropTables(db); err != nil {
return fmt.Errorf("failed to drop tables: %w", err)
}
}
// ✅ 调用 schema.go 中的函数
for _, ddl := range CreateTableStatements() {
if _, err := db.Exec(ddl); err != nil {
return fmt.Errorf("failed to create table: %w", err)
}
}
return nil
}
func dropTables(db *sql.DB) error {
// ✅ 调用 schema.go 中的函数
for _, table := range DropTableOrder() {
if _, err := db.Exec(fmt.Sprintf("DROP TABLE IF EXISTS `%s`", table)); err != nil {
return err
}
}
return nil
}
// --- Singleton DB Instance ---
var (
globalDB *DB
once sync.Once
initOnce sync.Once
initErr error
)
// DB 核心数据库类 - 对应Rocks的Database类
type DB struct {
// 连接参数
dbUser string
dbPasswd string
dbHost string
dbName string
dbPath string
dbSocket string
verbose bool
forceInit bool
// 连接对象
engine *sql.DB // 连接池
conn *sql.Conn // 当前连接
results *sql.Rows // 当前结果集
// 线程本地存储模拟
sessions sync.Map
mu sync.RWMutex
}
// NewDB 创建新实例
func NewDB() *DB {
return &DB{
dbUser: "",
dbPasswd: "",
dbHost: "localhost",
dbName: "sunhpc",
dbPath: "/var/lib/sunhpc",
dbSocket: "/var/lib/sunhpc/mysql/mysql.sock",
verbose: false,
}
}
// ==================== 连接参数设置/获取 ====================
func (db *DB) SetDBPasswd(passwd string) {
db.mu.Lock()
defer db.mu.Unlock()
db.dbPasswd = passwd
}
func (db *DB) GetDBPasswd() string {
db.mu.RLock()
if db.dbPasswd != "" {
db.mu.RUnlock()
return db.dbPasswd
}
db.mu.RUnlock()
db.mu.Lock()
defer db.mu.Unlock()
// 从配置文件读取密码
username := db.GetDBUsername()
var filename string
switch username {
case "root":
filename = "/root/.sunhpc.my.cnf"
default:
filename = fmt.Sprintf("/home/%s/.sunhpc.my.cnf", username)
}
data, err := ioutil.ReadFile(filename)
if err != nil {
return ""
}
lines := strings.Split(string(data), "\n")
for _, line := range lines {
line = strings.TrimSpace(line)
parts := strings.Split(line, "=")
if len(parts) == 2 && strings.TrimSpace(parts[0]) == "password" {
db.dbPasswd = strings.TrimSpace(parts[1])
break
}
}
return db.dbPasswd
}
func (db *DB) SetDBUsername(name string) {
db.mu.Lock()
defer db.mu.Unlock()
db.dbUser = name
}
func (db *DB) GetDBUsername() string {
db.mu.RLock()
if db.dbUser != "" {
db.mu.RUnlock()
return db.dbUser
}
db.mu.RUnlock()
db.mu.Lock()
defer db.mu.Unlock()
db.dbUser = os.Getenv("USER")
return db.dbUser
}
func (db *DB) SetDBHostname(host string) {
db.mu.Lock()
defer db.mu.Unlock()
db.dbHost = host
}
func (db *DB) GetDBHostname() string {
db.mu.RLock()
defer db.mu.RUnlock()
return db.dbHost
}
func (db *DB) SetDBName(name string) {
db.mu.Lock()
defer db.mu.Unlock()
db.dbName = name
}
func (db *DB) GetDBName() string {
db.mu.RLock()
defer db.mu.RUnlock()
return db.dbName
}
func (db *DB) SetDBPath(path string) {
db.mu.Lock()
defer db.mu.Unlock()
db.dbPath = path
}
func (db *DB) GetDBPath() string {
db.mu.RLock()
defer db.mu.RUnlock()
return db.dbPath
}
func (db *DB) SetVerbose(verbose bool) {
db.mu.Lock()
defer db.mu.Unlock()
db.verbose = verbose
}
func (db *DB) SetForceInit(force bool) {
db.mu.Lock()
defer db.mu.Unlock()
db.forceInit = force
}
// ==================== 连接管理 ====================
// Connect 连接数据库
func (db *DB) Connect() error {
log.Debug("连接数据库...")
db.mu.Lock()
defer db.mu.Unlock()
log.Debug("检查 SUNHPCDEBUG 环境变量...")
if os.Getenv("SUNHPCDEBUG") != "" {
db.verbose = true
}
// 使用SQLite
dbFullPath := filepath.Join(db.dbPath, db.dbName+".db")
log.Debugf("数据库路径: %s", dbFullPath)
// 确保目录存在
log.Debug("确保数据库目录存在...")
os.MkdirAll(db.dbPath, 0755)
engine, err := sql.Open("sqlite3", dbFullPath+"?_foreign_keys=on&_journal_mode=WAL")
log.Debugf("打开数据库连接...")
if err != nil {
return fmt.Errorf("打开数据库失败: %v", err)
}
engine.SetMaxOpenConns(10)
engine.SetMaxIdleConns(5)
engine.SetConnMaxLifetime(time.Hour)
db.engine = engine
conn, err := engine.Conn(context.Background())
log.Debugf("获取数据库连接...")
if err != nil {
return fmt.Errorf("获取连接失败: %v", err)
}
db.conn = conn
// 初始化数据库表
if err := db.initSchema(); err != nil {
return fmt.Errorf("初始化数据库表失败: %v", err)
}
if db.verbose {
log.Infof("数据库连接成功: %s", dbFullPath)
}
return nil
}
// initSchema 初始化数据库表结构 - 所有表定义在这里
func (db *DB) initSchema() error {
log.Debug("初始化数据库表结构...")
// 检查 nodes 表是否已存在
var tableName string
err := db.engine.QueryRow("SELECT name FROM sqlite_master WHERE type='table' AND name='nodes'").Scan(&tableName)
if err == nil && !db.forceInit {
log.Debug("数据库表已存在，跳过初始化")
return nil
}
if db.forceInit {
log.Warn("强制重新初始化数据库表结构...")
} else {
log.Info("首次初始化数据库表结构...")
}
// 如果强制初始化，先删除所有表
if db.forceInit {
log.Info("删除现有表...")
dropSQLs := []string{
`DROP TABLE IF EXISTS resolvechain;`,
`DROP TABLE IF EXISTS hostselections;`,
`DROP TABLE IF EXISTS attributes;`,
`DROP TABLE IF EXISTS catindexes;`,
`DROP TABLE IF EXISTS categories;`,
`DROP TABLE IF EXISTS node_attrs;`,
`DROP TABLE IF EXISTS aliases;`,
`DROP TABLE IF EXISTS networks;`,
`DROP TABLE IF EXISTS subnets;`,
`DROP TABLE IF EXISTS software_installs;`,
`DROP TABLE IF EXISTS memberships;`,
`DROP TABLE IF EXISTS appliances;`,
`DROP TABLE IF EXISTS nodes;`,
func GetDB() (*DB, error) {
initOnce.Do(func() {
cfg, err := config.LoadConfig()
if err != nil {
initErr = fmt.Errorf("数据库配置文件加载失败: %w", err)
return
}
for _, sql := range dropSQLs {
if _, err := db.engine.Exec(sql); err != nil {
log.Warnf("删除表失败: %v", err)
if _, err := os.Stat(cfg.DB.Path); err != nil {
// 创建数据库目录
if err := os.MkdirAll(cfg.DB.Path, 0755); err != nil {
log.Fatalf("创建数据库目录失败: %v", err)
}
}
log.Info("现有表已删除")
}
// 开启事务
tx, err := db.engine.Begin()
if err != nil {
return fmt.Errorf("开启事务失败: %v", err)
}
// 使用exec执行，每条SQL单独执行
sqls := []string{
// 创建表 - 注意创建顺序（先创建主表，再创建有外键的表）
`CREATE TABLE IF NOT EXISTS nodes (
id INTEGER PRIMARY KEY AUTOINCREMENT,
name TEXT NOT NULL UNIQUE,
rack INTEGER DEFAULT 0,
rank INTEGER DEFAULT 0,
membership_id INTEGER,
cpus INTEGER DEFAULT 0,
memory INTEGER DEFAULT 0,
disk INTEGER DEFAULT 0,
os TEXT,
kernel TEXT,
last_state_change DATETIME DEFAULT CURRENT_TIMESTAMP,
created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
updated_at DATETIME DEFAULT CURRENT_TIMESTAMP
);`,
`CREATE TABLE IF NOT EXISTS appliances (
id INTEGER PRIMARY KEY AUTOINCREMENT,
name TEXT NOT NULL UNIQUE,
description TEXT,
node_type TEXT DEFAULT 'compute'
);`,
`CREATE TABLE IF NOT EXISTS memberships (
id INTEGER PRIMARY KEY AUTOINCREMENT,
name TEXT NOT NULL UNIQUE,
appliance_id INTEGER,
FOREIGN KEY (appliance_id) REFERENCES appliances(id) ON DELETE SET NULL
);`,
`CREATE TABLE IF NOT EXISTS subnets (
id INTEGER PRIMARY KEY AUTOINCREMENT,
name TEXT UNIQUE,
network TEXT,
netmask TEXT,
gateway TEXT,
dns_zone TEXT,
is_private INTEGER DEFAULT 1
);`,
`CREATE TABLE IF NOT EXISTS networks (
id INTEGER PRIMARY KEY AUTOINCREMENT,
node_id INTEGER NOT NULL,
name TEXT,
ip TEXT UNIQUE,
mac TEXT UNIQUE,
subnet_id INTEGER,
interface TEXT DEFAULT 'eth0',
FOREIGN KEY (node_id) REFERENCES nodes(id) ON DELETE CASCADE,
FOREIGN KEY (subnet_id) REFERENCES subnets(id) ON DELETE SET NULL
);`,
`CREATE TABLE IF NOT EXISTS aliases (
id INTEGER PRIMARY KEY AUTOINCREMENT,
node_id INTEGER NOT NULL,
name TEXT NOT NULL,
FOREIGN KEY (node_id) REFERENCES nodes(id) ON DELETE CASCADE,
UNIQUE(node_id, name)
);`,
`CREATE TABLE IF NOT EXISTS categories (
id INTEGER PRIMARY KEY AUTOINCREMENT,
name TEXT NOT NULL UNIQUE
);`,
`CREATE TABLE IF NOT EXISTS catindexes (
id INTEGER PRIMARY KEY AUTOINCREMENT,
name TEXT NOT NULL,
category_id INTEGER NOT NULL,
FOREIGN KEY (category_id) REFERENCES categories(id) ON DELETE CASCADE,
UNIQUE(name, category_id)
);`,
`CREATE TABLE IF NOT EXISTS attributes (
id INTEGER PRIMARY KEY AUTOINCREMENT,
attr TEXT NOT NULL,
value TEXT,
category_id INTEGER NOT NULL,
catindex_id INTEGER NOT NULL,
FOREIGN KEY (category_id) REFERENCES categories(id) ON DELETE CASCADE,
FOREIGN KEY (catindex_id) REFERENCES catindexes(id) ON DELETE CASCADE,
UNIQUE(attr, category_id, catindex_id)
);`,
`CREATE TABLE IF NOT EXISTS node_attrs (
id INTEGER PRIMARY KEY AUTOINCREMENT,
node_id INTEGER NOT NULL,
attr TEXT NOT NULL,
value TEXT,
FOREIGN KEY (node_id) REFERENCES nodes(id) ON DELETE CASCADE,
UNIQUE(node_id, attr)
);`,
`CREATE TABLE IF NOT EXISTS hostselections (
id INTEGER PRIMARY KEY AUTOINCREMENT,
host_id INTEGER NOT NULL,
category_id INTEGER NOT NULL,
selection TEXT NOT NULL,
FOREIGN KEY (host_id) REFERENCES nodes(id) ON DELETE CASCADE,
FOREIGN KEY (category_id) REFERENCES categories(id) ON DELETE CASCADE,
UNIQUE(host_id, category_id, selection)
);`,
`CREATE TABLE IF NOT EXISTS resolvechain (
id INTEGER PRIMARY KEY AUTOINCREMENT,
category_id INTEGER NOT NULL,
precedence INTEGER NOT NULL,
FOREIGN KEY (category_id) REFERENCES categories(id) ON DELETE CASCADE,
UNIQUE(category_id, precedence)
);`,
`CREATE TABLE IF NOT EXISTS software_installs (
id INTEGER PRIMARY KEY AUTOINCREMENT,
name TEXT NOT NULL,
version TEXT,
install_type TEXT,
node_id INTEGER,
status TEXT,
installed_at DATETIME DEFAULT CURRENT_TIMESTAMP,
installed_by TEXT,
FOREIGN KEY (node_id) REFERENCES nodes(id) ON DELETE SET NULL
);`,
// 创建索引
`CREATE INDEX IF NOT EXISTS idx_nodes_name ON nodes(name);`,
`CREATE INDEX IF NOT EXISTS idx_networks_ip ON networks(ip);`,
`CREATE INDEX IF NOT EXISTS idx_networks_mac ON networks(mac);`,
`CREATE INDEX IF NOT EXISTS idx_attributes_lookup ON attributes(attr, category_id, catindex_id);`,
`CREATE INDEX IF NOT EXISTS idx_node_attrs_lookup ON node_attrs(node_id, attr);`,
`CREATE INDEX IF NOT EXISTS idx_hostselections_host ON hostselections(host_id);`,
`CREATE INDEX IF NOT EXISTS idx_resolvechain_precedence ON resolvechain(precedence);`,
}
// 逐条执行SQL
for i, sql := range sqls {
if strings.TrimSpace(sql) == "" {
continue
log.Infof("数据库目录创建成功: %s", cfg.DB.Path)
}
log.Debugf("执行SQL[%d]: %s", i, strings.TrimSpace(strings.Split(sql, "\n")[0]))
var dsn string
var driver string
_, err := tx.Exec(sql)
if err != nil {
tx.Rollback()
return fmt.Errorf("执行SQL[%d]失败: %v\nSQL: %s", i, err, sql)
}
}
// 提交事务
if err := tx.Commit(); err != nil {
return fmt.Errorf("提交事务失败: %v", err)
}
log.Info("数据库表结构创建成功")
// 插入默认数据
return db.insertDefaultData()
}
// insertDefaultData 插入默认数据
func (db *DB) insertDefaultData() error {
log.Debug("插入默认数据...")
// 默认类别
categories := []string{"global", "host", "os", "appliance", "network"}
for _, cat := range categories {
_, err := db.engine.Exec(
"INSERT OR IGNORE INTO categories (name) VALUES (?)",
cat,
)
if err != nil {
return err
}
}
log.Debug("插入默认类别索引...")
// 默认类别索引
catIndexes := []struct {
catName string
idxName string
}{
{"global", "global"},
{"os", "linux"},
{"network", "private"},
}
for _, ci := range catIndexes {
_, err := db.engine.Exec(`
INSERT OR IGNORE INTO catindexes (name, category_id)
SELECT ?, id FROM categories WHERE name = ?
`, ci.idxName, ci.catName)
if err != nil {
return err
}
}
log.Debug("插入默认解析链优先级...")
// 默认解析链优先级
precedence := []struct {
catName string
level int
}{
{"global", 1},
{"os", 2},
{"appliance", 3},
{"host", 4},
{"network", 5},
}
for _, p := range precedence {
_, err := db.engine.Exec(`
INSERT OR IGNORE INTO resolvechain (category_id, precedence)
SELECT id, ? FROM categories WHERE name = ?
`, p.level, p.catName)
if err != nil {
return err
}
}
log.Debug("插入默认设备类型...")
// 默认设备类型
appliances := []struct {
name string
desc string
typ string
}{
{"frontend", "管理节点", "master"},
{"compute", "计算节点", "compute"},
{"login", "登录节点", "login"},
{"storage", "存储节点", "storage"},
}
for _, a := range appliances {
_, err := db.engine.Exec(
"INSERT OR IGNORE INTO appliances (name, description, node_type) VALUES (?, ?, ?)",
a.name, a.desc, a.typ,
)
if err != nil {
return err
}
}
log.Debug("插入默认数据完成...")
return nil
}
// ==================== 核心查询方法 ====================
// Execute 执行SQL语句 - 对应Rocks的execute()
func (db *DB) Execute(query string, args ...interface{}) (int64, error) {
db.mu.RLock()
conn := db.conn
verbose := db.verbose
db.mu.RUnlock()
if conn == nil {
return 0, fmt.Errorf("没有活动数据库连接")
}
if verbose {
log.Debugf("执行SQL: %s %v", query, args)
}
// 判断SQL类型
upperQuery := strings.ToUpper(strings.TrimSpace(query))
isSelect := strings.HasPrefix(upperQuery, "SELECT")
if isSelect {
// SELECT 查询使用 QueryContext
rows, err := conn.QueryContext(context.Background(), query, args...)
if err != nil {
// 尝试重连一次
db.RenewConnection()
db.mu.RLock()
conn = db.conn
db.mu.RUnlock()
rows, err = conn.QueryContext(context.Background(), query, args...)
}
if err != nil {
return 0, err
}
// 关闭旧结果
db.mu.Lock()
if db.results != nil {
db.results.Close()
}
db.results = rows
db.mu.Unlock()
return 0, nil
} else {
// INSERT/UPDATE/DELETE 使用 Exec（自动提交）
result, err := conn.ExecContext(context.Background(), query, args...)
if err != nil {
// 尝试重连一次
db.RenewConnection()
db.mu.RLock()
conn = db.conn
db.mu.RUnlock()
result, err = conn.ExecContext(context.Background(), query, args...)
}
if err != nil {
return 0, err
}
// 获取影响行数
rowsAffected, err := result.RowsAffected()
if err != nil {
return 0, err
}
if verbose {
log.Debugf("影响行数: %d", rowsAffected)
}
return rowsAffected, nil
}
}
// FetchOne 获取一行 - 对应Rocks的fetchone()
// 返回map[string]interface{}格式，key为列名
func (db *DB) FetchOne() (map[string]interface{}, error) {
db.mu.RLock()
results := db.results
db.mu.RUnlock()
if results == nil {
return nil, nil
}
if !results.Next() {
return nil, nil
}
columns, err := results.Columns()
if err != nil {
return nil, err
}
values := make([]interface{}, len(columns))
scanArgs := make([]interface{}, len(columns))
for i := range values {
scanArgs[i] = &values[i]
}
err = results.Scan(scanArgs...)
if err != nil {
return nil, err
}
row := make(map[string]interface{})
for i, col := range columns {
val := values[i]
if b, ok := val.([]byte); ok {
row[col] = string(b)
} else {
row[col] = val
}
}
return row, nil
}
// FetchAll 获取所有行 - 对应Rocks的fetchall()
// 返回[]map[string]interface{}格式
func (db *DB) FetchAll() ([]map[string]interface{}, error) {
db.mu.RLock()
results := db.results
db.mu.RUnlock()
if results == nil {
return nil, nil
}
columns, err := results.Columns()
if err != nil {
return nil, err
}
var rows []map[string]interface{}
for results.Next() {
values := make([]interface{}, len(columns))
scanArgs := make([]interface{}, len(columns))
for i := range values {
scanArgs[i] = &values[i]
}
err = results.Scan(scanArgs...)
if err != nil {
return nil, err
}
row := make(map[string]interface{})
for i, col := range columns {
val := values[i]
if b, ok := val.([]byte); ok {
row[col] = string(b)
switch cfg.DB.Type {
case "sqlite":
driver = "sqlite3"
fullPath := filepath.Join(cfg.DB.Path, cfg.DB.Name)
dsn = fmt.Sprintf("%s?_foreign_keys=on&_journal_mode=WAL&_timeout=5000", fullPath)
case "mysql":
driver = "mysql"
if cfg.DB.Socket != "" {
dsn = fmt.Sprintf("%s:%s@unix(%s)/%s?parseTime=true&loc=Local",
cfg.DB.User, cfg.DB.Password, cfg.DB.Socket, cfg.DB.Name)
} else {
row[col] = val
dsn = fmt.Sprintf("%s:%s@tcp(%s)/%s?parseTime=true&loc=Local",
cfg.DB.User, cfg.DB.Password, cfg.DB.Host, cfg.DB.Name)
}
default:
initErr = fmt.Errorf("unsupported database type: %s", cfg.DB.Type)
return
}
rows = append(rows, row)
}
return rows, nil
}
// ==================== 连接维护 ====================
// RenewConnection 续期连接
func (db *DB) RenewConnection() error {
db.mu.Lock()
defer db.mu.Unlock()
if db.conn != nil {
db.conn.Close()
}
conn, err := db.engine.Conn(context.Background())
if err != nil {
return err
}
db.conn = conn
return nil
}
// Close 关闭连接
func (db *DB) Close() error {
db.mu.Lock()
defer db.mu.Unlock()
if db.results != nil {
db.results.Close()
db.results = nil
}
if db.conn != nil {
db.conn.Close()
db.conn = nil
}
if db.engine != nil {
return db.engine.Close()
}
return nil
}
// CloseConnection 只关闭当前连接，不关闭连接池
func (db *DB) CloseConnection() error {
db.mu.Lock()
defer db.mu.Unlock()
if db.results != nil {
db.results.Close()
db.results = nil
}
if db.conn != nil {
db.conn.Close()
db.conn = nil
}
return nil
}
// ==================== 单例模式 ====================
var (
instanceConfigured bool
instanceDBPath string
instanceDBName string
)
func GetInstance() (*DB, error) {
return GetInstanceWithConfig("", "")
}
func GetInstanceWithConfig(dbPath, dbName string) (*DB, error) {
var err error
once.Do(func() {
globalDB = NewDB()
log.Debug("创建数据库实例...")
globalDB.SetDBUsername(globalDB.GetDBUsername())
if dbPath != "" {
globalDB.SetDBPath(dbPath)
log.Debugf("设置数据库路径: %s", dbPath)
}
if dbName != "" {
globalDB.SetDBName(dbName)
log.Debugf("设置数据库名称: %s", dbName)
engine, err := sql.Open(driver, dsn)
if err != nil {
initErr = fmt.Errorf("failed to open database: %w", err)
return
}
instanceConfigured = (dbPath != "" || dbName != "")
if dbPath != "" {
instanceDBPath = dbPath
}
if dbName != "" {
instanceDBName = dbName
if err := engine.Ping(); err != nil {
engine.Close()
initErr = fmt.Errorf("failed to ping database: %w", err)
return
}
err = globalDB.Connect()
globalDB = &DB{engine: engine}
})
return globalDB, err
return globalDB, initErr
}
func IsInstanceConfigured() bool {
return instanceConfigured
}
func GetInstanceConfig() (dbPath, dbName string) {
return instanceDBPath, instanceDBName
// MustGetDB is a helper that panics on error (use in main/init only).
func MustGetDB() *DB {
db, err := GetDB()
if err != nil {
log.Fatalf("数据库初始化失败: %v", err)
}
return db
}

637
internal/db/db.txt Normal file
View File

@@ -0,0 +1,637 @@
package db
import (
"context"
"database/sql"
"fmt"
"os"
"path/filepath"
"strings"
"sync"
"time"
"sunhpc/internal/log"
_ "github.com/mattn/go-sqlite3"
)
// 全局单例
var (
globalDB *DB
once sync.Once
)
// DB 核心数据库类 - 对应Rocks的Database类
type DB struct {
// 连接参数
dbUser string
dbPasswd string
dbHost string
dbName string
dbPath string
dbSocket string
verbose bool
forceInit bool
// 连接对象
engine *sql.DB // 连接池
conn *sql.Conn // 当前连接
results *sql.Rows // 当前结果集
// 线程本地存储模拟
sessions sync.Map
mu sync.RWMutex
}
// NewDB 创建新实例
func NewDB() *DB {
return &DB{
dbUser: "",
dbPasswd: "",
dbHost: "localhost",
dbName: "sunhpc",
dbPath: "/var/lib/sunhpc",
dbSocket: "/var/lib/sunhpc/mysql/mysql.sock",
verbose: false,
}
}
// ==================== 连接管理 ====================
// Connect 连接数据库
func (db *DB) Connect() error {
log.Debug("连接数据库...")
db.mu.Lock()
defer db.mu.Unlock()
log.Debug("检查 SUNHPCDEBUG 环境变量...")
if os.Getenv("SUNHPCDEBUG") != "" {
db.verbose = true
}
// 使用SQLite
dbFullPath := filepath.Join(db.dbPath, db.dbName+".db")
log.Debugf("数据库路径: %s", dbFullPath)
// 确保目录存在
log.Debug("确保数据库目录存在...")
os.MkdirAll(db.dbPath, 0755)
engine, err := sql.Open("sqlite3", dbFullPath+"?_foreign_keys=on&_journal_mode=WAL")
log.Debugf("打开数据库连接...")
if err != nil {
return fmt.Errorf("打开数据库失败: %v", err)
}
engine.SetMaxOpenConns(10)
engine.SetMaxIdleConns(5)
engine.SetConnMaxLifetime(time.Hour)
db.engine = engine
conn, err := engine.Conn(context.Background())
log.Debugf("获取数据库连接...")
if err != nil {
return fmt.Errorf("获取连接失败: %v", err)
}
db.conn = conn
// 初始化数据库表
if err := db.initSchema(); err != nil {
return fmt.Errorf("初始化数据库表失败: %v", err)
}
if db.verbose {
log.Infof("数据库连接成功: %s", dbFullPath)
}
return nil
}
// initSchema 初始化数据库表结构 - 所有表定义在这里
func (db *DB) initSchema() error {
log.Debug("初始化数据库表结构...")
// 检查 nodes 表是否已存在
var tableName string
err := db.engine.QueryRow("SELECT name FROM sqlite_master WHERE type='table' AND name='nodes'").Scan(&tableName)
if err == nil && !db.forceInit {
log.Debug("数据库表已存在，跳过初始化")
return nil
}
if db.forceInit {
log.Warn("强制重新初始化数据库表结构...")
} else {
log.Info("首次初始化数据库表结构...")
}
// 如果强制初始化，先删除所有表
if db.forceInit {
log.Info("删除现有表...")
dropSQLs := []string{
`DROP TABLE IF EXISTS resolvechain;`,
`DROP TABLE IF EXISTS hostselections;`,
`DROP TABLE IF EXISTS attributes;`,
`DROP TABLE IF EXISTS catindexes;`,
`DROP TABLE IF EXISTS categories;`,
`DROP TABLE IF EXISTS node_attrs;`,
`DROP TABLE IF EXISTS aliases;`,
`DROP TABLE IF EXISTS networks;`,
`DROP TABLE IF EXISTS subnets;`,
`DROP TABLE IF EXISTS software_installs;`,
`DROP TABLE IF EXISTS memberships;`,
`DROP TABLE IF EXISTS appliances;`,
`DROP TABLE IF EXISTS nodes;`,
}
for _, sql := range dropSQLs {
if _, err := db.engine.Exec(sql); err != nil {
log.Warnf("删除表失败: %v", err)
}
}
log.Info("现有表已删除")
}
// 开启事务
tx, err := db.engine.Begin()
if err != nil {
return fmt.Errorf("开启事务失败: %v", err)
}
// 使用exec执行，每条SQL单独执行
sqls := []string{
// 创建表 - 注意创建顺序（先创建主表，再创建有外键的表）
`CREATE TABLE IF NOT EXISTS nodes (
id INTEGER PRIMARY KEY AUTOINCREMENT,
name TEXT NOT NULL UNIQUE,
rack INTEGER DEFAULT 0,
rank INTEGER DEFAULT 0,
membership_id INTEGER,
cpus INTEGER DEFAULT 0,
memory INTEGER DEFAULT 0,
disk INTEGER DEFAULT 0,
os TEXT,
kernel TEXT,
last_state_change DATETIME DEFAULT CURRENT_TIMESTAMP,
created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
updated_at DATETIME DEFAULT CURRENT_TIMESTAMP
);`,
`CREATE TABLE IF NOT EXISTS appliances (
id INTEGER PRIMARY KEY AUTOINCREMENT,
name TEXT NOT NULL UNIQUE,
description TEXT,
node_type TEXT DEFAULT 'compute'
);`,
`CREATE TABLE IF NOT EXISTS memberships (
id INTEGER PRIMARY KEY AUTOINCREMENT,
name TEXT NOT NULL UNIQUE,
appliance_id INTEGER,
FOREIGN KEY (appliance_id) REFERENCES appliances(id) ON DELETE SET NULL
);`,
`CREATE TABLE IF NOT EXISTS subnets (
id INTEGER PRIMARY KEY AUTOINCREMENT,
name TEXT UNIQUE,
network TEXT,
netmask TEXT,
gateway TEXT,
dns_zone TEXT,
is_private INTEGER DEFAULT 1
);`,
`CREATE TABLE IF NOT EXISTS networks (
id INTEGER PRIMARY KEY AUTOINCREMENT,
node_id INTEGER NOT NULL,
name TEXT,
ip TEXT UNIQUE,
mac TEXT UNIQUE,
subnet_id INTEGER,
interface TEXT DEFAULT 'eth0',
FOREIGN KEY (node_id) REFERENCES nodes(id) ON DELETE CASCADE,
FOREIGN KEY (subnet_id) REFERENCES subnets(id) ON DELETE SET NULL
);`,
`CREATE TABLE IF NOT EXISTS aliases (
id INTEGER PRIMARY KEY AUTOINCREMENT,
node_id INTEGER NOT NULL,
name TEXT NOT NULL,
FOREIGN KEY (node_id) REFERENCES nodes(id) ON DELETE CASCADE,
UNIQUE(node_id, name)
);`,
`CREATE TABLE IF NOT EXISTS categories (
id INTEGER PRIMARY KEY AUTOINCREMENT,
name TEXT NOT NULL UNIQUE
);`,
`CREATE TABLE IF NOT EXISTS catindexes (
id INTEGER PRIMARY KEY AUTOINCREMENT,
name TEXT NOT NULL,
category_id INTEGER NOT NULL,
FOREIGN KEY (category_id) REFERENCES categories(id) ON DELETE CASCADE,
UNIQUE(name, category_id)
);`,
`CREATE TABLE IF NOT EXISTS attributes (
id INTEGER PRIMARY KEY AUTOINCREMENT,
attr TEXT NOT NULL,
value TEXT,
category_id INTEGER NOT NULL,
catindex_id INTEGER NOT NULL,
FOREIGN KEY (category_id) REFERENCES categories(id) ON DELETE CASCADE,
FOREIGN KEY (catindex_id) REFERENCES catindexes(id) ON DELETE CASCADE,
UNIQUE(attr, category_id, catindex_id)
);`,
`CREATE TABLE IF NOT EXISTS node_attrs (
id INTEGER PRIMARY KEY AUTOINCREMENT,
node_id INTEGER NOT NULL,
attr TEXT NOT NULL,
value TEXT,
FOREIGN KEY (node_id) REFERENCES nodes(id) ON DELETE CASCADE,
UNIQUE(node_id, attr)
);`,
`CREATE TABLE IF NOT EXISTS hostselections (
id INTEGER PRIMARY KEY AUTOINCREMENT,
host_id INTEGER NOT NULL,
category_id INTEGER NOT NULL,
selection TEXT NOT NULL,
FOREIGN KEY (host_id) REFERENCES nodes(id) ON DELETE CASCADE,
FOREIGN KEY (category_id) REFERENCES categories(id) ON DELETE CASCADE,
UNIQUE(host_id, category_id, selection)
);`,
`CREATE TABLE IF NOT EXISTS resolvechain (
id INTEGER PRIMARY KEY AUTOINCREMENT,
category_id INTEGER NOT NULL,
precedence INTEGER NOT NULL,
FOREIGN KEY (category_id) REFERENCES categories(id) ON DELETE CASCADE,
UNIQUE(category_id, precedence)
);`,
`CREATE TABLE IF NOT EXISTS software_installs (
id INTEGER PRIMARY KEY AUTOINCREMENT,
name TEXT NOT NULL,
version TEXT,
install_type TEXT,
node_id INTEGER,
status TEXT,
installed_at DATETIME DEFAULT CURRENT_TIMESTAMP,
installed_by TEXT,
FOREIGN KEY (node_id) REFERENCES nodes(id) ON DELETE SET NULL
);`,
// 创建索引
`CREATE INDEX IF NOT EXISTS idx_nodes_name ON nodes(name);`,
`CREATE INDEX IF NOT EXISTS idx_networks_ip ON networks(ip);`,
`CREATE INDEX IF NOT EXISTS idx_networks_mac ON networks(mac);`,
`CREATE INDEX IF NOT EXISTS idx_attributes_lookup ON attributes(attr, category_id, catindex_id);`,
`CREATE INDEX IF NOT EXISTS idx_node_attrs_lookup ON node_attrs(node_id, attr);`,
`CREATE INDEX IF NOT EXISTS idx_hostselections_host ON hostselections(host_id);`,
`CREATE INDEX IF NOT EXISTS idx_resolvechain_precedence ON resolvechain(precedence);`,
}
// 逐条执行SQL
for i, sql := range sqls {
if strings.TrimSpace(sql) == "" {
continue
}
log.Debugf("执行SQL[%d]: %s", i, strings.TrimSpace(strings.Split(sql, "\n")[0]))
_, err := tx.Exec(sql)
if err != nil {
tx.Rollback()
return fmt.Errorf("执行SQL[%d]失败: %v\nSQL: %s", i, err, sql)
}
}
// 提交事务
if err := tx.Commit(); err != nil {
return fmt.Errorf("提交事务失败: %v", err)
}
log.Info("数据库表结构创建成功")
// 插入默认数据
return db.insertDefaultData()
}
// insertDefaultData 插入默认数据
func (db *DB) insertDefaultData() error {
log.Debug("插入默认数据...")
// 默认类别
categories := []string{"global", "host", "os", "appliance", "network"}
for _, cat := range categories {
_, err := db.engine.Exec(
"INSERT OR IGNORE INTO categories (name) VALUES (?)",
cat,
)
if err != nil {
return err
}
}
log.Debug("插入默认类别索引...")
// 默认类别索引
catIndexes := []struct {
catName string
idxName string
}{
{"global", "global"},
{"os", "linux"},
{"network", "private"},
}
for _, ci := range catIndexes {
_, err := db.engine.Exec(`
INSERT OR IGNORE INTO catindexes (name, category_id)
SELECT ?, id FROM categories WHERE name = ?
`, ci.idxName, ci.catName)
if err != nil {
return err
}
}
log.Debug("插入默认解析链优先级...")
// 默认解析链优先级
precedence := []struct {
catName string
level int
}{
{"global", 1},
{"os", 2},
{"appliance", 3},
{"host", 4},
{"network", 5},
}
for _, p := range precedence {
_, err := db.engine.Exec(`
INSERT OR IGNORE INTO resolvechain (category_id, precedence)
SELECT id, ? FROM categories WHERE name = ?
`, p.level, p.catName)
if err != nil {
return err
}
}
log.Debug("插入默认设备类型...")
// 默认设备类型
appliances := []struct {
name string
desc string
typ string
}{
{"frontend", "管理节点", "master"},
{"compute", "计算节点", "compute"},
{"login", "登录节点", "login"},
{"storage", "存储节点", "storage"},
}
for _, a := range appliances {
_, err := db.engine.Exec(
"INSERT OR IGNORE INTO appliances (name, description, node_type) VALUES (?, ?, ?)",
a.name, a.desc, a.typ,
)
if err != nil {
return err
}
}
log.Debug("插入默认数据完成...")
return nil
}
// ==================== 核心查询方法 ====================
// Execute 执行SQL语句 - 对应Rocks的execute()
func (db *DB) Execute(query string, args ...interface{}) (int64, error) {
db.mu.RLock()
conn := db.conn
verbose := db.verbose
db.mu.RUnlock()
if conn == nil {
return 0, fmt.Errorf("没有活动数据库连接")
}
if verbose {
log.Debugf("执行SQL: %s %v", query, args)
}
// 判断SQL类型
upperQuery := strings.ToUpper(strings.TrimSpace(query))
isSelect := strings.HasPrefix(upperQuery, "SELECT")
if isSelect {
// SELECT 查询使用 QueryContext
rows, err := conn.QueryContext(context.Background(), query, args...)
if err != nil {
// 尝试重连一次
db.RenewConnection()
db.mu.RLock()
conn = db.conn
db.mu.RUnlock()
rows, err = conn.QueryContext(context.Background(), query, args...)
}
if err != nil {
return 0, err
}
// 关闭旧结果
db.mu.Lock()
if db.results != nil {
db.results.Close()
}
db.results = rows
db.mu.Unlock()
return 0, nil
} else {
// INSERT/UPDATE/DELETE 使用 Exec（自动提交）
result, err := conn.ExecContext(context.Background(), query, args...)
if err != nil {
// 尝试重连一次
db.RenewConnection()
db.mu.RLock()
conn = db.conn
db.mu.RUnlock()
result, err = conn.ExecContext(context.Background(), query, args...)
}
if err != nil {
return 0, err
}
// 获取影响行数
rowsAffected, err := result.RowsAffected()
if err != nil {
return 0, err
}
if verbose {
log.Debugf("影响行数: %d", rowsAffected)
}
return rowsAffected, nil
}
}
// FetchOne 获取一行 - 对应Rocks的fetchone()
// 返回map[string]interface{}格式，key为列名
func (db *DB) FetchOne() (map[string]interface{}, error) {
db.mu.RLock()
results := db.results
db.mu.RUnlock()
if results == nil {
return nil, nil
}
if !results.Next() {
return nil, nil
}
columns, err := results.Columns()
if err != nil {
return nil, err
}
values := make([]interface{}, len(columns))
scanArgs := make([]interface{}, len(columns))
for i := range values {
scanArgs[i] = &values[i]
}
err = results.Scan(scanArgs...)
if err != nil {
return nil, err
}
row := make(map[string]interface{})
for i, col := range columns {
val := values[i]
if b, ok := val.([]byte); ok {
row[col] = string(b)
} else {
row[col] = val
}
}
return row, nil
}
// FetchAll 获取所有行 - 对应Rocks的fetchall()
// 返回[]map[string]interface{}格式
func (db *DB) FetchAll() ([]map[string]interface{}, error) {
db.mu.RLock()
results := db.results
db.mu.RUnlock()
if results == nil {
return nil, nil
}
columns, err := results.Columns()
if err != nil {
return nil, err
}
var rows []map[string]interface{}
for results.Next() {
values := make([]interface{}, len(columns))
scanArgs := make([]interface{}, len(columns))
for i := range values {
scanArgs[i] = &values[i]
}
err = results.Scan(scanArgs...)
if err != nil {
return nil, err
}
row := make(map[string]interface{})
for i, col := range columns {
val := values[i]
if b, ok := val.([]byte); ok {
row[col] = string(b)
} else {
row[col] = val
}
}
rows = append(rows, row)
}
return rows, nil
}
// ==================== 连接维护 ====================
// RenewConnection 续期连接
func (db *DB) RenewConnection() error {
db.mu.Lock()
defer db.mu.Unlock()
if db.conn != nil {
db.conn.Close()
}
conn, err := db.engine.Conn(context.Background())
if err != nil {
return err
}
db.conn = conn
return nil
}
// Close 关闭连接
func (db *DB) Close() error {
db.mu.Lock()
defer db.mu.Unlock()
if db.results != nil {
db.results.Close()
db.results = nil
}
if db.conn != nil {
db.conn.Close()
db.conn = nil
}
if db.engine != nil {
return db.engine.Close()
}
return nil
}
// CloseConnection 只关闭当前连接，不关闭连接池
func (db *DB) CloseConnection() error {
db.mu.Lock()
defer db.mu.Unlock()
if db.results != nil {
db.results.Close()
db.results = nil
}
if db.conn != nil {
db.conn.Close()
db.conn = nil
}
return nil
}
// ==================== 单例模式 ====================
var (
instanceConfigured bool
instanceDBPath string
instanceDBName string
)

624
internal/db/helper.go
View File

@@ -1,624 +0,0 @@
package db
import (
"fmt"
"net"
"os"
"strings"
"sync"
)
/*
// 获取数据库实例
database, err := db.GetInstance()
if err != nil {
log.Fatal(err)
}
defer database.Close()
// 创建Helper
helper, _ := db.NewDBHelper()
// 执行查询
helper.Execute("SELECT * FROM nodes WHERE rack = ?", 1)
// 获取一行
row, _ := helper.FetchOne()
if row != nil {
log.Infof("节点: %v", row["name"])
}
// 获取所有行
rows, _ := helper.FetchAll()
log.Infof("共 %d 个节点", len(rows))
// 使用Helper方法
hostname, _ := helper.GetHostname("192.168.1.1")
log.Infof("解析主机名: %s", hostname)
// 设置属性
helper.SetCategoryAttr("global", "global", "Kickstart_PrivateHostname", "sunhpc-master")
// 获取属性
val := helper.GetCategoryAttr("global", "global", "Kickstart_PrivateHostname")
log.Infof("前端主机名: %s", val)
*/
const (
attrPostfix = "_old"
)
// DBHelper DatabaseHelper类 - 继承DB，扩展业务方法
type DBHelper struct {
*DB
appliancesList []string
frontendName string
cacheAttrs sync.Map
}
func NewDBHelper() (*DBHelper, error) {
db, err := GetInstance()
if err != nil {
return nil, err
}
return &DBHelper{
DB: db,
appliancesList: nil,
frontendName: "",
}, nil
}
// ==================== 节点查询 ====================
// GetListHostnames 获取所有主机名列表
func (h *DBHelper) GetListHostnames() ([]string, error) {
_, err := h.Execute("SELECT name FROM nodes ORDER BY name")
if err != nil {
return nil, err
}
rows, err := h.FetchAll()
if err != nil {
return nil, err
}
var names []string
for _, row := range rows {
if name, ok := row["name"]; ok {
names = append(names, name.(string))
}
}
return names, nil
}
// GetNodesFromNames 从名称列表获取节点
func (h *DBHelper) GetNodesFromNames(names []string, managedOnly bool) ([]map[string]interface{}, error) {
// 如果没有提供名称，返回所有节点
if len(names) == 0 {
query := "SELECT * FROM nodes"
if managedOnly {
query = `
SELECT n.* FROM nodes n
JOIN node_attrs a ON n.id = a.node_id
WHERE a.attr = 'managed' AND a.value = 'true'
`
}
_, err := h.Execute(query)
if err != nil {
return nil, err
}
return h.FetchAll()
}
// 构建查询条件
conditions := []string{}
args := []interface{}{}
for _, name := range names {
if strings.HasPrefix(name, "select ") {
conditions = append(conditions, fmt.Sprintf("name IN (%s)", name[7:]))
} else if strings.Contains(name, "%") {
conditions = append(conditions, "name LIKE ?")
args = append(args, name)
} else if strings.HasPrefix(name, "rack") {
rackNum := strings.TrimPrefix(name, "rack")
conditions = append(conditions, "rack = ?")
args = append(args, rackNum)
} else if h.IsApplianceName(name) {
conditions = append(conditions, `id IN (
SELECT node_id FROM node_attrs
WHERE attr = 'appliance' AND value = ?
)`)
args = append(args, name)
} else {
hostname, err := h.GetHostname(name)
if err == nil {
conditions = append(conditions, "name = ?")
args = append(args, hostname)
}
}
}
if len(conditions) == 0 {
return []map[string]interface{}{}, nil
}
query := "SELECT * FROM nodes WHERE " + strings.Join(conditions, " OR ")
_, err := h.Execute(query, args...)
if err != nil {
return nil, err
}
nodes, err := h.FetchAll()
if err != nil {
return nil, err
}
// 过滤受管节点
if managedOnly {
var managed []map[string]interface{}
for _, node := range nodes {
val := h.GetHostAttr(node["name"].(string), "managed")
if val == "true" {
managed = append(managed, node)
}
}
return managed, nil
}
return nodes, nil
}
// ==================== 设备类型 ====================
// GetAppliancesListText 获取所有设备类型名称
func (h *DBHelper) GetAppliancesListText() []string {
if h.appliancesList != nil {
return h.appliancesList
}
_, err := h.Execute("SELECT DISTINCT value FROM node_attrs WHERE attr = 'appliance'")
if err != nil {
return []string{}
}
rows, _ := h.FetchAll()
var apps []string
for _, row := range rows {
if val, ok := row["value"]; ok {
apps = append(apps, val.(string))
}
}
h.appliancesList = apps
return apps
}
// IsApplianceName 检查是否为设备类型名称
func (h *DBHelper) IsApplianceName(name string) bool {
for _, app := range h.GetAppliancesListText() {
if app == name {
return true
}
}
return false
}
// ==================== 主机名解析 ====================
// GetHostname 规范化主机名 - 完全参考Rocks实现
func (h *DBHelper) GetHostname(hostname string) (string, error) {
// 如果hostname为空，使用系统主机名
if hostname == "" {
hostname, _ = os.Hostname()
hostname = strings.Split(hostname, ".")[0]
return h.GetHostname(hostname)
}
// 1. 直接在nodes表中查找
_, err := h.Execute("SELECT * FROM nodes WHERE name = ?", hostname)
if err == nil {
row, _ := h.FetchOne()
if row != nil {
return hostname, nil
}
}
// 2. 尝试IP地址反向解析
addr := net.ParseIP(hostname)
if addr != nil {
names, err := net.LookupAddr(hostname)
if err == nil && len(names) > 0 {
return h.GetHostname(strings.Split(names[0], ".")[0])
}
}
// 3. 在networks表中查找IP
if addr != nil {
_, err := h.Execute(`
SELECT n.name FROM nodes n
JOIN networks net ON n.id = net.node_id
WHERE net.ip = ?
`, addr.String())
if err == nil {
row, _ := h.FetchOne()
if row != nil {
return row["name"].(string), nil
}
}
}
// 4. 尝试MAC地址
mac := strings.ReplaceAll(hostname, "-", ":")
_, err = h.Execute(`
SELECT n.name FROM nodes n
JOIN networks net ON n.id = net.node_id
WHERE net.mac = ?
`, mac)
if err == nil {
row, _ := h.FetchOne()
if row != nil {
return row["name"].(string), nil
}
}
// 5. 检查别名
_, err = h.Execute(`
SELECT n.name FROM nodes n
JOIN aliases a ON n.id = a.node_id
WHERE a.name = ?
`, hostname)
if err == nil {
row, _ := h.FetchOne()
if row != nil {
return row["name"].(string), nil
}
}
// 6. 尝试FQDN
if strings.Contains(hostname, ".") {
parts := strings.Split(hostname, ".")
name := parts[0]
domain := strings.Join(parts[1:], ".")
_, err := h.Execute(`
SELECT n.name FROM nodes n
JOIN networks net ON n.id = net.node_id
JOIN subnets s ON net.subnet_id = s.id
WHERE s.dns_zone = ? AND (net.name = ? OR n.name = ?)
`, domain, name, name)
if err == nil {
row, _ := h.FetchOne()
if row != nil {
return row["name"].(string), nil
}
}
}
// 7. 如果以上都失败，抛出异常
return "", fmt.Errorf("无法解析主机名: %s", hostname)
}
// CheckHostnameValidity 检查主机名有效性
func (h *DBHelper) CheckHostnameValidity(hostname string) error {
// 不能包含点
if strings.Contains(hostname, ".") {
return fmt.Errorf("主机名 %s 不能包含点号", hostname)
}
// 不能是rack<数字>格式
if strings.HasPrefix(hostname, "rack") {
num := strings.TrimPrefix(hostname, "rack")
if _, err := fmt.Sscanf(num, "%d", new(int)); err == nil {
return fmt.Errorf("主机名 %s 不能是rack<数字>格式", hostname)
}
}
// 不能是设备类型名称
if h.IsApplianceName(hostname) {
return fmt.Errorf("主机名 %s 不能与设备类型名称相同", hostname)
}
// 检查是否已存在
_, err := h.GetHostname(hostname)
if err == nil {
return fmt.Errorf("节点 %s 已存在", hostname)
}
return nil
}
// ==================== 前端节点 ====================
// GetFrontendName 获取前端节点名称
func (h *DBHelper) GetFrontendName() string {
if h.frontendName != "" {
return h.frontendName
}
name := h.GetCategoryAttr("global", "global", "Kickstart_PrivateHostname")
if name != "" {
h.frontendName = name
}
return h.frontendName
}
// ==================== 属性管理 ====================
// GetCategoryIndex 获取类别索引
func (h *DBHelper) GetCategoryIndex(categoryName, categoryIndex string) (map[string]interface{}, map[string]interface{}, error) {
// 查询类别和索引
_, err := h.Execute(`
SELECT c.id as cid, c.name as cname, i.id as iid, i.name as iname
FROM categories c
JOIN catindexes i ON c.id = i.category_id
WHERE c.name = ? AND i.name = ?
`, categoryName, categoryIndex)
if err == nil {
row, _ := h.FetchOne()
if row != nil {
category := map[string]interface{}{
"id": row["cid"],
"name": row["cname"],
}
catindex := map[string]interface{}{
"id": row["iid"],
"name": row["iname"],
"category_id": row["cid"],
}
return category, catindex, nil
}
}
// 不存在则创建
// 创建类别
_, err = h.Execute("INSERT INTO categories (name) VALUES (?)", categoryName)
if err != nil {
return nil, nil, err
}
var catID int64
h.Execute("SELECT last_insert_rowid()")
row, _ := h.FetchOne()
if row != nil {
catID = row["last_insert_rowid()"].(int64)
}
// 创建索引
_, err = h.Execute(
"INSERT INTO catindexes (name, category_id) VALUES (?, ?)",
categoryIndex, catID,
)
if err != nil {
return nil, nil, err
}
h.Execute("SELECT last_insert_rowid()")
row, _ = h.FetchOne()
var idxID int64
if row != nil {
idxID = row["last_insert_rowid()"].(int64)
}
category := map[string]interface{}{
"id": catID,
"name": categoryName,
}
catindex := map[string]interface{}{
"id": idxID,
"name": categoryIndex,
"category_id": catID,
}
return category, catindex, nil
}
// SetCategoryAttr 设置类别属性
func (h *DBHelper) SetCategoryAttr(categoryName, catindexName, attr, value string) error {
cat, catindex, err := h.GetCategoryIndex(categoryName, catindexName)
if err != nil {
return err
}
// 查询现有属性
_, err = h.Execute(`
SELECT id, value FROM attributes
WHERE attr = ? AND category_id = ? AND catindex_id = ?
`, attr, cat["id"], catindex["id"])
if err == nil {
row, _ := h.FetchOne()
if row != nil {
// 更新现有属性
oldValue := row["value"]
attrID := row["id"]
_, err = h.Execute(
"UPDATE attributes SET value = ? WHERE id = ?",
value, attrID,
)
if err != nil {
return err
}
// 保存旧值
if !strings.HasSuffix(attr, attrPostfix) {
h.SetCategoryAttr(categoryName, catindexName, attr+attrPostfix, oldValue.(string))
}
return nil
}
}
// 创建新属性
_, err = h.Execute(`
INSERT INTO attributes (attr, value, category_id, catindex_id)
VALUES (?, ?, ?, ?)
`, attr, value, cat["id"], catindex["id"])
return err
}
// GetCategoryAttr 获取类别属性
func (h *DBHelper) GetCategoryAttr(categoryName, catindexName, attrName string) string {
cat, catindex, err := h.GetCategoryIndex(categoryName, catindexName)
if err != nil {
return ""
}
_, err = h.Execute(`
SELECT value FROM attributes
WHERE attr = ? AND category_id = ? AND catindex_id = ?
`, attrName, cat["id"], catindex["id"])
if err != nil {
return ""
}
row, _ := h.FetchOne()
if row == nil {
return ""
}
return row["value"].(string)
}
// RemoveCategoryAttr 移除类别属性
func (h *DBHelper) RemoveCategoryAttr(categoryName, catindexName, attrName string) error {
cat, catindex, err := h.GetCategoryIndex(categoryName, catindexName)
if err != nil {
return err
}
_, err = h.Execute(`
DELETE FROM attributes
WHERE attr = ? AND category_id = ? AND catindex_id = ?
`, attrName, cat["id"], catindex["id"])
if err != nil {
return err
}
// 同时删除对应的_old属性
_, _ = h.Execute(`
DELETE FROM attributes
WHERE attr = ? AND category_id = ? AND catindex_id = ?
`, attrName+attrPostfix, cat["id"], catindex["id"])
return nil
}
// ==================== 主机属性 ====================
// GetHostAttr 获取主机属性
func (h *DBHelper) GetHostAttr(hostname, attr string) string {
// 先从节点直接属性查询
_, err := h.Execute(`
SELECT value FROM node_attrs
WHERE node_id = (SELECT id FROM nodes WHERE name = ?)
AND attr = ?
`, hostname, attr)
if err == nil {
row, _ := h.FetchOne()
if row != nil {
return row["value"].(string)
}
}
// 使用Rocks的属性解析链查询
query := `
SELECT a.value FROM attributes a
JOIN resolvechain r ON a.category_id = r.category_id
JOIN hostselections h ON a.category_id = h.category_id
AND a.catindex_id = h.selection
WHERE h.host_id = (SELECT id FROM nodes WHERE name = ?)
AND a.attr = ?
ORDER BY r.precedence DESC
LIMIT 1
`
_, err = h.Execute(query, hostname, attr)
if err != nil {
return ""
}
row, _ := h.FetchOne()
if row == nil {
return ""
}
return row["value"].(string)
}
// GetHostAttrs 获取主机所有属性
func (h *DBHelper) GetHostAttrs(hostname string, showSource bool) map[string]interface{} {
attrs := make(map[string]interface{})
// 获取节点基本信息
_, err := h.Execute(`
SELECT n.id, n.name, n.rack, n.rank, m.name as membership, a.name as appliance
FROM nodes n
LEFT JOIN memberships m ON n.membership_id = m.id
LEFT JOIN appliances a ON m.appliance_id = a.id
WHERE n.name = ?
`, hostname)
if err == nil {
row, _ := h.FetchOne()
if row != nil {
if showSource {
attrs["hostname"] = []interface{}{row["name"], "I"}
attrs["rack"] = []interface{}{row["rack"], "I"}
attrs["rank"] = []interface{}{row["rank"], "I"}
attrs["appliance"] = []interface{}{row["appliance"], "I"}
attrs["membership"] = []interface{}{row["membership"], "I"}
} else {
attrs["hostname"] = row["name"]
attrs["rack"] = row["rack"]
attrs["rank"] = row["rank"]
attrs["appliance"] = row["appliance"]
attrs["membership"] = row["membership"]
}
}
}
// 获取所有属性
query := `
SELECT a.attr, a.value,
CASE
WHEN h.host_id IS NOT NULL THEN 'H'
ELSE UPPER(SUBSTR(c.name, 1, 1))
END as source
FROM attributes a
JOIN categories c ON a.category_id = c.id
LEFT JOIN hostselections h ON a.category_id = h.category_id
AND a.catindex_id = h.selection
AND h.host_id = (SELECT id FROM nodes WHERE name = ?)
UNION
SELECT attr, value, 'N' as source
FROM node_attrs
WHERE node_id = (SELECT id FROM nodes WHERE name = ?)
`
_, err = h.Execute(query, hostname, hostname)
if err == nil {
rows, _ := h.FetchAll()
for _, row := range rows {
attr := row["attr"].(string)
value := row["value"]
if showSource {
attrs[attr] = []interface{}{value, row["source"]}
} else {
attrs[attr] = value
}
}
}
return attrs
}

84
internal/db/schema.go Normal file
View File

@@ -0,0 +1,84 @@
// Package db defines the database schema.
package db
// CurrentSchemaVersion returns the current schema version (for migrations)
func CurrentSchemaVersion() int {
return 1
}
// CreateTableStatements returns a list of CREATE TABLE statements.
func CreateTableStatements() []string {
return []string{
createNodesTable(),
createAttributesTable(),
createNetworksTable(),
createSubnetsTable(),
createSoftwareTable(),
}
}
// DropTableOrder returns table names in reverse dependency order for safe DROP.
func DropTableOrder() []string {
return []string{"software", "attributes", "nodes", "subnets", "networks"}
}
// --- Private DDL Functions ---
func createNodesTable() string {
return `
CREATE TABLE IF NOT EXISTS nodes (
id INTEGER PRIMARY KEY AUTOINCREMENT,
hostname TEXT NOT NULL UNIQUE,
ip TEXT,
status TEXT DEFAULT 'active',
created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
updated_at DATETIME DEFAULT CURRENT_TIMESTAMP
);`
}
func createAttributesTable() string {
return `
CREATE TABLE IF NOT EXISTS attributes (
id INTEGER PRIMARY KEY AUTOINCREMENT,
node_id INTEGER NOT NULL,
key TEXT NOT NULL,
value TEXT NOT NULL,
FOREIGN KEY(node_id) REFERENCES nodes(id) ON DELETE CASCADE,
UNIQUE(node_id, key)
);`
}
func createNetworksTable() string {
return `
CREATE TABLE IF NOT EXISTS networks (
id INTEGER PRIMARY KEY AUTOINCREMENT,
name TEXT NOT NULL UNIQUE,
description TEXT,
created_at DATETIME DEFAULT CURRENT_TIMESTAMP
);`
}
func createSubnetsTable() string {
return `
CREATE TABLE IF NOT EXISTS subnets (
id INTEGER PRIMARY KEY AUTOINCREMENT,
network_id INTEGER NOT NULL,
cidr TEXT NOT NULL,
gateway TEXT,
vlan INTEGER,
FOREIGN KEY(network_id) REFERENCES networks(id) ON DELETE CASCADE,
UNIQUE(network_id, cidr)
);`
}
func createSoftwareTable() string {
return `
CREATE TABLE IF NOT EXISTS software (
id INTEGER PRIMARY KEY AUTOINCREMENT,
name TEXT NOT NULL,
version TEXT NOT NULL,
installed_on INTEGER,
FOREIGN KEY(installed_on) REFERENCES nodes(id) ON DELETE SET NULL,
UNIQUE(name, version, installed_on)
);`
}

5
internal/model/db.go Normal file
View File

@@ -0,0 +1,5 @@
package model
type DBConfig struct {
ForceDB bool
}

25
internal/service/manager.go
View File

@@ -1,25 +0,0 @@
package service
import (
"fmt"
"sunhpc/internal/config"
"sunhpc/internal/log"
"sunhpc/internal/template"
)
func Deploy(cfg *config.ServicesConfig) error {
// 示例：使用模板部署 DHCPD
if cfg.DHCPD.Enabled {
log.Info("部署 DHCPD 服务...")
// 从模板渲染配置文件
err := template.RenderAndExecute("dhcpd.conf.tmpl", map[string]interface{}{
"Subnet": "192.168.1.0",
"Netmask": "255.255.255.0",
})
if err != nil {
return fmt.Errorf("DHCPD 配置失败: %v", err)
}
// 实际部署逻辑（启动服务等）...
}
return nil
}

97
internal/system/hostname.go
View File

@@ -1,97 +0,0 @@
package system
import (
"fmt"
"os"
"os/exec"
"strings"
)
// SetHostname 设置系统主机名
// 参数: hostname - 目标主机名
// 返回: error - 如果设置失败返回错误信息
func SetHostname(hostname string) error {
if hostname == "" {
return nil // 空值跳过，不报错
}
// 检查是否已有相同主机名
current, err := os.Hostname()
if err == nil && current == hostname {
return nil // 已经设置正确，无需修改
}
// 使用 hostnamectl 设置主机名（适用于 systemd 系统）
if _, err := exec.LookPath("hostnamectl"); err == nil {
cmd := exec.Command("hostnamectl", "set-hostname", hostname)
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
if err := cmd.Run(); err != nil {
return fmt.Errorf("hostnamectl 设置主机名失败: %v", err)
}
} else {
// 传统方法：直接修改 /etc/hostname
if err := os.WriteFile("/etc/hostname", []byte(hostname+"\n"), 0644); err != nil {
return fmt.Errorf("写入 /etc/hostname 失败: %v", err)
}
// 立即生效（需要内核支持）
cmd := exec.Command("sysctl", "kernel.hostname="+hostname)
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
if err := cmd.Run(); err != nil {
// 不返回错误，因为重启后会生效
fmt.Printf("警告: 主机名将在重启后完全生效\n")
}
}
// 更新 /etc/hosts，确保本机解析正确
if err := updateHostsFile(hostname); err != nil {
fmt.Printf("警告: 更新 /etc/hosts 失败: %v\n", err)
}
return nil
}
// updateHostsFile 更新 /etc/hosts 文件中的本机映射
func updateHostsFile(hostname string) error {
content, err := os.ReadFile("/etc/hosts")
if err != nil {
return err
}
lines := strings.Split(string(content), "\n")
newLines := make([]string, 0, len(lines))
hostnameSet := false
for _, line := range lines {
// 跳过空行和注释
if line == "" || strings.HasPrefix(line, "#") {
newLines = append(newLines, line)
continue
}
fields := strings.Fields(line)
if len(fields) >= 2 && fields[0] == "127.0.1.1" {
// 替换 Ubuntu/Debian 风格的本地主机名
newLines = append(newLines, "127.0.1.1\t"+hostname)
hostnameSet = true
} else if len(fields) >= 2 && fields[0] == "127.0.0.1" {
// 保留原行，但检查是否包含主机名
if !strings.Contains(line, hostname) {
line = line + " " + hostname
}
newLines = append(newLines, line)
hostnameSet = true
} else {
newLines = append(newLines, line)
}
}
// 如果没有找到合适的位置，添加一行
if !hostnameSet {
newLines = append(newLines, "127.0.1.1\t"+hostname)
}
return os.WriteFile("/etc/hosts", []byte(strings.Join(newLines, "\n")), 0644)
}

47
internal/system/motd.go
View File

@@ -1,47 +0,0 @@
package system
import (
"os"
"time"
)
// SetMOTD 设置 /etc/motd 文件内容
// 参数: content - MOTD 文本内容
// 返回: error - 写入文件错误
func SetMOTD(content string) error {
if content == "" {
// 如果内容为空，不清除现有 MOTD，避免误操作
return nil
}
// 添加时间和系统信息
finalContent := "========================================\n"
finalContent += "SunHPC 集群管理系统\n"
finalContent += "时间: " + time.Now().Format("2006-01-02 15:04:05") + "\n"
finalContent += "========================================\n\n"
finalContent += content
// 确保行尾有换行
if content[len(content)-1] != '\n' {
finalContent += "\n"
}
return os.WriteFile("/etc/motd", []byte(finalContent), 0644)
}
// ClearMOTD 清空 MOTD
func ClearMOTD() error {
return os.WriteFile("/etc/motd", []byte{}, 0644)
}
// AppendToMOTD 追加内容到 MOTD
func AppendToMOTD(additional string) error {
f, err := os.OpenFile("/etc/motd", os.O_APPEND|os.O_WRONLY, 0644)
if err != nil {
return err
}
defer f.Close()
_, err = f.WriteString(additional + "\n")
return err
}

97
internal/system/selinux.go
View File

@@ -1,97 +0,0 @@
package system
import (
"fmt"
"os"
"os/exec"
"strings"
)
// ConfigureSELinux 设置 SELinux 模式
// 参数: mode - enforcing, permissive, disabled
// 返回: error - 配置错误
func ConfigureSELinux(mode string) error {
if mode == "" {
return nil
}
// 验证输入
mode = strings.ToLower(strings.TrimSpace(mode))
validModes := map[string]bool{
"enforcing": true,
"permissive": true,
"disabled": true,
}
if !validModes[mode] {
return fmt.Errorf("无效的 SELinux 模式: %s (可选: enforcing, permissive, disabled)", mode)
}
// 检查 SELinux 是否可用
if _, err := os.Stat("/selinux/enforce"); os.IsNotExist(err) {
if _, err := os.Stat("/sys/fs/selinux/enforce"); os.IsNotExist(err) {
return fmt.Errorf("系统不支持 SELinux 或未启用")
}
}
// 临时生效
if mode != "disabled" { // disabled 需要重启才能完全生效
cmd := exec.Command("setenforce", mode)
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
if err := cmd.Run(); err != nil {
return fmt.Errorf("setenforce %s 失败: %v", mode, err)
}
}
// 持久化配置
return persistSELinuxMode(mode)
}
// persistSELinuxMode 修改 /etc/selinux/config 实现持久化
func persistSELinuxMode(mode string) error {
const selinuxConfig = "/etc/selinux/config"
// 读取配置文件
content, err := os.ReadFile(selinuxConfig)
if err != nil {
// 如果文件不存在，创建默认配置
if os.IsNotExist(err) {
defaultConfig := fmt.Sprintf(`# This file controls the state of SELinux on the system.
# SELINUX= can take one of these three values:
# enforcing - SELinux security policy is enforced.
# permissive - SELinux prints warnings instead of enforcing.
# disabled - No SELinux policy is loaded.
SELINUX=%s
# SELINUXTYPE= can take one of three two values:
# targeted - Targeted processes are protected,
# minimum - Modification of targeted policy. Only selected processes are protected.
# mls - Multi Level Security protection.
SELINUXTYPE=targeted
`, mode)
return os.WriteFile(selinuxConfig, []byte(defaultConfig), 0644)
}
return err
}
// 替换 SELINUX= 行
lines := strings.Split(string(content), "\n")
for i, line := range lines {
if strings.HasPrefix(line, "SELINUX=") {
lines[i] = fmt.Sprintf("SELINUX=%s", mode)
break
}
}
return os.WriteFile(selinuxConfig, []byte(strings.Join(lines, "\n")), 0644)
}
// GetSELinuxMode 获取当前 SELinux 模式
func GetSELinuxMode() (string, error) {
cmd := exec.Command("getenforce")
output, err := cmd.Output()
if err != nil {
return "", err
}
return strings.ToLower(strings.TrimSpace(string(output))), nil
}

187
internal/system/ssh.go
View File

@@ -1,187 +0,0 @@
package system
import (
"fmt"
"os"
"os/exec"
"strings"
"sunhpc/internal/config"
)
// ConfigureSSH 配置 SSH 服务
// 参数: cfg - config.SSHConfig 结构体
// 返回: error - 配置错误
func ConfigureSSH(cfg config.SSHConfig) error {
const sshdConfig = "/etc/ssh/sshd_config"
// 读取现有配置
content, err := os.ReadFile(sshdConfig)
if err != nil {
return fmt.Errorf("读取 sshd_config 失败: %v", err)
}
// 备份原始配置
backupPath := sshdConfig + ".sunhpc.bak"
if _, err := os.Stat(backupPath); os.IsNotExist(err) {
if err := os.WriteFile(backupPath, content, 0644); err != nil {
fmt.Printf("警告: 无法创建备份文件 %s: %v\n", backupPath, err)
}
}
// 解析和修改配置
lines := strings.Split(string(content), "\n")
newLines := make([]string, 0, len(lines))
configMap := make(map[string]bool)
// 处理每一行
for _, line := range lines {
trimmed := strings.TrimSpace(line)
if trimmed == "" || strings.HasPrefix(trimmed, "#") {
newLines = append(newLines, line)
continue
}
parts := strings.Fields(trimmed)
if len(parts) < 2 {
newLines = append(newLines, line)
continue
}
key := parts[0]
configMap[key] = true
// 根据配置更新
switch key {
case "PermitRootLogin":
if cfg.PermitRootLogin != "" {
newLines = append(newLines, fmt.Sprintf("PermitRootLogin %s", cfg.PermitRootLogin))
} else {
newLines = append(newLines, line)
}
case "PasswordAuthentication":
if cfg.PasswordAuth != "" {
newLines = append(newLines, fmt.Sprintf("PasswordAuthentication %s", cfg.PasswordAuth))
} else {
newLines = append(newLines, line)
}
default:
newLines = append(newLines, line)
}
}
// 添加缺失的配置项
if cfg.PermitRootLogin != "" && !configMap["PermitRootLogin"] {
newLines = append(newLines, fmt.Sprintf("PermitRootLogin %s", cfg.PermitRootLogin))
}
if cfg.PasswordAuth != "" && !configMap["PasswordAuthentication"] {
newLines = append(newLines, fmt.Sprintf("PasswordAuthentication %s", cfg.PasswordAuth))
}
// 写入新配置
newContent := strings.Join(newLines, "\n")
if err := os.WriteFile(sshdConfig, []byte(newContent), 0644); err != nil {
return fmt.Errorf("写入 sshd_config 失败: %v", err)
}
// 测试配置语法
if err := testSSHDConfig(); err != nil {
// 恢复备份
if backup, err := os.ReadFile(backupPath); err == nil {
os.WriteFile(sshdConfig, backup, 0644)
}
return fmt.Errorf("SSH 配置语法错误: %v", err)
}
// 重启 SSH 服务
return restartSSHD()
}
// testSSHDConfig 测试 sshd 配置语法
func testSSHDConfig() error {
cmd := exec.Command("sshd", "-t")
cmd.Stderr = os.Stderr
return cmd.Run()
}
// restartSSHD 重启 SSH 服务
func restartSSHD() error {
// 尝试不同的服务管理器
serviceMgrs := []struct {
name string
args []string
}{
{"systemctl", []string{"restart", "sshd"}},
{"systemctl", []string{"restart", "ssh"}},
{"service", []string{"sshd", "restart"}},
{"service", []string{"ssh", "restart"}},
}
for _, mgr := range serviceMgrs {
if _, err := exec.LookPath(mgr.name); err == nil {
cmd := exec.Command(mgr.name, mgr.args...)
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
if err := cmd.Run(); err == nil {
return nil
}
}
}
return fmt.Errorf("无法重启 SSH 服务，请手动重启")
}
// AddSSHKey 添加 SSH 公钥到指定用户
func AddSSHKey(username, pubkey string) error {
// 获取用户主目录
homeDir, err := getUserHomeDir(username)
if err != nil {
return err
}
sshDir := homeDir + "/.ssh"
authKeys := sshDir + "/authorized_keys"
// 创建 .ssh 目录
if err := os.MkdirAll(sshDir, 0700); err != nil {
return err
}
// 追加公钥
f, err := os.OpenFile(authKeys, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0600)
if err != nil {
return err
}
defer f.Close()
_, err = f.WriteString(pubkey + "\n")
if err != nil {
return err
}
// 修改所有权
return chownRecursive(sshDir, username)
}
// getUserHomeDir 获取用户主目录
func getUserHomeDir(username string) (string, error) {
cmd := exec.Command("getent", "passwd", username)
output, err := cmd.Output()
if err != nil {
return "", fmt.Errorf("用户 %s 不存在", username)
}
parts := strings.Split(strings.TrimSpace(string(output)), ":")
if len(parts) >= 6 {
return parts[5], nil
}
return "", fmt.Errorf("无法获取用户 %s 的主目录", username)
}
// chownRecursive 递归修改文件所有者
func chownRecursive(path, username string) error {
cmd := exec.Command("chown", "-R", username+":"+username, path)
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
return cmd.Run()
}

87
internal/system/sysctl.go
View File

@@ -1,87 +0,0 @@
package system
import (
"bufio"
"fmt"
"os"
"os/exec"
"strings"
"time"
)
// ConfigureSysctl 设置内核参数
// 参数: params - 键值对映射，如 {"net.ipv4.ip_forward": "1"}
// 返回: error - 第一个失败的错误
func ConfigureSysctl(params map[string]string) error {
if len(params) == 0 {
return nil
}
// 首先应用临时配置
for k, v := range params {
cmd := exec.Command("sysctl", "-w", fmt.Sprintf("%s=%s", k, v))
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
if err := cmd.Run(); err != nil {
return fmt.Errorf("设置 sysctl %s=%s 失败: %v", k, v, err)
}
}
// 持久化配置到 /etc/sysctl.conf 或 /etc/sysctl.d/
return appendToSysctlConf(params)
}
// appendToSysctlConf 将参数写入持久化配置文件
func appendToSysctlConf(params map[string]string) error {
const sysctlFile = "/etc/sysctl.d/99-sunhpc.conf"
// 读取现有配置
existing := make(map[string]bool)
if data, err := os.ReadFile(sysctlFile); err == nil {
scanner := bufio.NewScanner(strings.NewReader(string(data)))
for scanner.Scan() {
line := strings.TrimSpace(scanner.Text())
if line == "" || strings.HasPrefix(line, "#") {
continue
}
parts := strings.SplitN(line, "=", 2)
if len(parts) == 2 {
existing[strings.TrimSpace(parts[0])] = true
}
}
}
// 构建新内容
var content strings.Builder
content.WriteString("# SunHPC 系统优化配置\n")
content.WriteString("# 生成时间: " + time.Now().Format(time.RFC3339) + "\n\n")
for k, v := range params {
// 跳过已存在的配置（避免重复）
if existing[k] {
continue
}
content.WriteString(fmt.Sprintf("%s = %s\n", k, v))
}
// 如果有新配置才写入
if content.Len() > 100 {
if err := os.WriteFile(sysctlFile, []byte(content.String()), 0644); err != nil {
return err
}
// 应用持久化配置
return exec.Command("sysctl", "--system").Run()
}
return nil
}
// GetSysctl 获取当前内核参数值
func GetSysctl(key string) (string, error) {
cmd := exec.Command("sysctl", "-n", key)
output, err := cmd.Output()
if err != nil {
return "", err
}
return strings.TrimSpace(string(output)), nil
}

178
internal/system/system.go
View File

@@ -1,178 +0,0 @@
package system
import (
"os"
"path/filepath"
"sunhpc/internal/config"
"sunhpc/internal/log"
)
// Context 系统配置上下文，包含所有命令行参数
type Context struct {
Force bool // 强制模式
DryRun bool // 干运行模式
Verbose bool // 详细输出
Timeout int // 超时时间
Backup string // 备份路径
YesMode bool // 自动确认
}
// ApplyAll 应用所有系统配置
func ApplyAll(cfg *config.SunHPCConfig) error {
log.Info("开始应用系统配置...")
if err := SetHostnameWithContext(cfg.Hostname, nil); err != nil {
log.Warnf("设置主机名失败: %v", err)
}
if err := SetMOTDWithContext(cfg.MOTD, nil); err != nil {
log.Warnf("设置 MOTD 失败: %v", err)
}
if err := ConfigureSysctlWithContext(cfg.Sysctl, nil); err != nil {
log.Warnf("配置 sysctl 失败: %v", err)
}
if err := ConfigureSELinuxWithContext(cfg.SELinux, nil); err != nil {
log.Warnf("配置 SELinux 失败: %v", err)
}
if err := ConfigureSSHWithContext(cfg.SSH, nil); err != nil {
log.Warnf("配置 SSH 失败: %v", err)
}
log.Info("系统配置应用完成")
return nil
}
// SetHostnameWithContext 设置系统主机名，带上下文参数
func SetHostnameWithContext(hostname string, ctx *Context) error {
if ctx != nil && ctx.DryRun {
log.Infof("[干运行] 设置主机名为: %s", hostname)
return nil
}
if hostname == "" {
return nil
}
// 检查是否需要强制设置
current, _ := os.Hostname()
if current == hostname && (ctx == nil || !ctx.Force) {
log.Infof("主机名已是 '%s'，跳过设置", hostname)
return nil
}
log.Infof("设置主机名为: %s", hostname)
return SetHostname(hostname)
}
// SetMOTDWithContext 设置 MOTD，带上下文参数
func SetMOTDWithContext(content string, ctx *Context) error {
if ctx != nil && ctx.DryRun {
log.Info("[干运行] 设置 MOTD")
return nil
}
if content == "" {
return nil
}
// 备份现有文件
if ctx != nil && ctx.Backup != "" {
backupMOTD(ctx.Backup)
}
log.Info("更新 /etc/motd")
return SetMOTD(content)
}
// ConfigureSysctlWithContext 配置内核参数，带上下文参数
func ConfigureSysctlWithContext(params map[string]string, ctx *Context) error {
if ctx != nil && ctx.DryRun {
log.Info("[干运行] 配置 sysctl 参数")
return nil
}
if len(params) == 0 {
return nil
}
// 备份现有配置
if ctx != nil && ctx.Backup != "" {
backupSysctl(ctx.Backup)
}
return ConfigureSysctl(params)
}
// ConfigureSELinuxWithContext 配置 SELinux，带上下文参数
func ConfigureSELinuxWithContext(mode string, ctx *Context) error {
if ctx != nil && ctx.DryRun {
log.Infof("[干运行] 设置 SELinux 模式为: %s", mode)
return nil
}
if mode == "" {
return nil
}
// 检查当前模式
current, _ := GetSELinuxMode()
if current == mode && (ctx == nil || !ctx.Force) {
log.Infof("SELinux 已是 '%s' 模式，跳过设置", mode)
return nil
}
log.Infof("设置 SELinux 模式为: %s", mode)
return ConfigureSELinux(mode)
}
// ConfigureSSHWithContext 配置 SSH，带上下文参数
func ConfigureSSHWithContext(cfg config.SSHConfig, ctx *Context) error {
if ctx != nil && ctx.DryRun {
log.Info("[干运行] 配置 SSH 服务")
return nil
}
// 备份配置文件
if ctx != nil && ctx.Backup != "" {
backupSSHConfig(ctx.Backup)
}
log.Info("配置 SSH 服务")
return ConfigureSSH(cfg)
}
// 备份函数
func backupMOTD(backupDir string) error {
backupPath := filepath.Join(backupDir, "motd."+filepath.Base(os.Args[0])+".bak")
if err := os.MkdirAll(backupDir, 0755); err != nil {
return err
}
return copyFile("/etc/motd", backupPath)
}
func backupSysctl(backupDir string) error {
backupPath := filepath.Join(backupDir, "sysctl.conf.bak")
if err := os.MkdirAll(backupDir, 0755); err != nil {
return err
}
return copyFile("/etc/sysctl.conf", backupPath)
}
func backupSSHConfig(backupDir string) error {
backupPath := filepath.Join(backupDir, "sshd_config.bak")
if err := os.MkdirAll(backupDir, 0755); err != nil {
return err
}
return copyFile("/etc/ssh/sshd_config", backupPath)
}
func copyFile(src, dst string) error {
data, err := os.ReadFile(src)
if err != nil {
return err
}
return os.WriteFile(dst, data, 0644)
}

61
internal/template/engine.go
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@@ -1,61 +0,0 @@
package template
import (
"bytes"
"fmt"
"os"
"os/exec"
"path/filepath"
"text/template"
"sunhpc/internal/config"
"sunhpc/internal/log"
)
// RenderAndExecute 从模板目录加载模板，渲染后生成临时脚本并执行
// tmplName: 模板文件名（位于 /etc/sunhpc/tmpl.d/）
// data: 模板变量
func RenderAndExecute(tmplName string, data interface{}) error {
tmplPath := filepath.Join(config.TmplDir, tmplName)
if _, err := os.Stat(tmplPath); err != nil {
return fmt.Errorf("模板文件不存在: %s", tmplPath)
}
content, err := os.ReadFile(tmplPath)
if err != nil {
return err
}
t, err := template.New(tmplName).Parse(string(content))
if err != nil {
return err
}
var buf bytes.Buffer
if err := t.Execute(&buf, data); err != nil {
return err
}
// 生成临时脚本
tmpFile, err := os.CreateTemp("/tmp", "sunhpc-*.sh")
if err != nil {
return err
}
defer os.Remove(tmpFile.Name())
if _, err := tmpFile.Write(buf.Bytes()); err != nil {
tmpFile.Close()
return err
}
tmpFile.Close()
if err := os.Chmod(tmpFile.Name(), 0755); err != nil {
return err
}
log.Infof("执行模板脚本: %s", tmpFile.Name())
cmd := exec.Command("/bin/bash", tmpFile.Name())
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
return cmd.Run()
}

54
internal/templating/embedded.go Normal file
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@@ -0,0 +1,54 @@
// internal/templating/embedded.go
package templating
import (
"fmt"
"io/fs"
"os"
"path/filepath"
"sunhpc/tmpls"
"gopkg.in/yaml.v3"
)
// ListEmbeddedTemplates 返回所有内置模板名称（不含路径和扩展名）
func ListEmbeddedTemplates() ([]string, error) {
entries, err := fs.ReadDir(tmpls.FS, ".")
if err != nil {
return nil, err
}
var names []string
for _, entry := range entries {
if entry.IsDir() || filepath.Ext(entry.Name()) != ".yaml" {
continue
}
names = append(names, entry.Name()[:len(entry.Name())-5]) // 去掉 .yaml
}
return names, nil
}
// LoadEmbeddedTemplate 从二进制加载内置模板
func LoadEmbeddedTemplate(name string) (*Template, error) {
data, err := tmpls.FS.ReadFile(name + ".yaml")
if err != nil {
if os.IsNotExist(err) {
return nil, fmt.Errorf("内置模板 '%s' 不存在", name)
}
return nil, err
}
var tmpl Template
if err := yaml.Unmarshal(data, &tmpl); err != nil {
return nil, fmt.Errorf("解析内置模板失败: %w", err)
}
return &tmpl, nil
}
// DumpEmbeddedTemplateToFile 将内置模板写入文件
func DumpEmbeddedTemplateToFile(name, outputPath string) error {
data, err := tmpls.FS.ReadFile(name + ".yaml")
if err != nil {
return fmt.Errorf("找不到内置模板 '%s': %w", name, err)
}
return os.WriteFile(outputPath, data, 0644)
}

104
internal/templating/engine.go Normal file
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@@ -0,0 +1,104 @@
// internal/templating/engine.go
package templating
import (
"bytes"
"fmt"
"os"
"path/filepath"
"text/template"
"gopkg.in/yaml.v3"
)
// LoadTemplate 从文件加载 YAML 模板
func LoadTemplate(path string) (*Template, error) {
data, err := os.ReadFile(path)
if err != nil {
return nil, fmt.Errorf("无法读取模板文件 %s: %w", path, err)
}
var tmpl Template
if err := yaml.Unmarshal(data, &tmpl); err != nil {
return nil, fmt.Errorf("YAML 解析失败: %w", err)
}
return &tmpl, nil
}
// Render 渲染模板为具体操作
func (t *Template) Render(ctx Context) (map[string][]RenderedStep, error) {
result := make(map[string][]RenderedStep)
for stageName, steps := range t.Stages {
var renderedSteps []RenderedStep
for _, step := range steps {
// 处理 condition
if step.Condition != "" {
condTmpl, err := template.New("condition").Parse(step.Condition)
if err != nil {
return nil, fmt.Errorf("条件模板语法错误: %w", err)
}
var buf bytes.Buffer
if err := condTmpl.Execute(&buf, ctx); err != nil {
return nil, fmt.Errorf("执行条件模板失败: %w", err)
}
if buf.String() == "" {
continue // 条件不满足，跳过
}
}
// 渲染 content
contentTmpl, err := template.New("content").Parse(step.Content)
if err != nil {
return nil, fmt.Errorf("内容模板语法错误: %w", err)
}
var buf bytes.Buffer
if err := contentTmpl.Execute(&buf, ctx); err != nil {
return nil, fmt.Errorf("执行内容模板失败: %w", err)
}
renderedSteps = append(renderedSteps, RenderedStep{
Type: step.Type,
Path: step.Path,
Content: buf.String(),
})
}
result[stageName] = renderedSteps
}
return result, nil
}
// RenderedStep 是渲染后的步骤
type RenderedStep struct {
Type string
Path string
Content string
}
// WriteFiles 将 file 类型步骤写入磁盘
func WriteFiles(steps []RenderedStep, rootDir string) error {
for _, s := range steps {
if s.Type != "file" {
continue
}
fullPath := s.Path
if !filepath.IsAbs(s.Path) {
fullPath = filepath.Join(rootDir, s.Path)
}
if err := os.MkdirAll(filepath.Dir(fullPath), 0755); err != nil {
return err
}
if err := os.WriteFile(fullPath, []byte(s.Content), 0644); err != nil {
return fmt.Errorf("写入文件 %s 失败: %w", fullPath, err)
}
}
return nil
}
// PrintScripts 打印 script 内容（安全起见，先不自动执行）
func PrintScripts(steps []RenderedStep) {
for _, s := range steps {
if s.Type == "script" {
fmt.Printf("# --- 脚本开始 ---\n%s\n# --- 脚本结束 ---\n", s.Content)
}
}
}

38
internal/templating/types.go Normal file
View File

@@ -0,0 +1,38 @@
package templating
// Template 是 YAML 模板的顶层结构
type Template struct {
Description string `yaml:"description,omitempty"`
Copyright string `yaml:"copyright,omitempty"`
Stages map[string][]Step `yaml:"stages"`
}
// Step 表示一个操作步骤
type Step struct {
Type string `yaml:"type"` // "file" 或 "script"
Path string `yaml:"path,omitempty"` // 文件路径（仅 type=file）
Content string `yaml:"content"` // 多行内容
Condition string `yaml:"condition,omitempty"` // 条件表达式（Go template）
}
// Context 是渲染模板时的上下文数据
type Context struct {
Node NodeInfo `json:"node"`
Cluster ClusterInfo `json:"cluster"`
}
// NodeInfo 节点信息
type NodeInfo struct {
Hostname string `json:"hostname"`
OldHostname string `json:"old_hostname,omitempty"`
Domain string `json:"domain"`
IP string `json:"ip"`
}
// ClusterInfo 集群信息
type ClusterInfo struct {
Name string `json:"name"`
Domain string `json:"domain"`
AdminEmail string `json:"admin_email"`
TimeZone string `json:"time_zone"`
}

34
main.go
View File

@@ -10,37 +10,3 @@ func main() {
os.Exit(1)
}
}
/*
// 初始化日志（verbose=true 显示调试信息）
log.Init(true)
// 基础用法
log.Info("服务启动成功")
log.Infof("用户 %s 已添加", "testuser")
log.Warn("磁盘使用率超过 80%")
log.Warnf("节点 %s 网络延迟过高", "node01")
log.Error("配置文件解析失败")
log.Errorf("无法连接到数据库: %v", err)
log.Debug("正在执行命令: ssh root@192.168.1.1")
log.Debugf("加载了 %d 个节点配置", len(nodes))
// 致命错误
if err != nil {
log.Fatal("初始化失败: ", err)
}
// 临时禁用颜色（例如输出重定向时）
if !isTerminal {
log.EnableColor(false)
}
// 设置日志级别
log.SetLevel(log.WarnLevel) // 只显示警告及以上级别
// 启用调用者信息
log.EnableCaller(true)
*/

BIN
sunhpc
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4
sunhpc.yaml Normal file
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@@ -0,0 +1,4 @@
db:
type: sqlite
name: sunhpc.db
path: /tmp/sunhpc

46
test_db.sh
View File

@@ -1,46 +0,0 @@
#!/bin/bash
echo "========================================="
echo "SunHPC 数据库测试脚本"
echo "========================================="
echo ""
# 1. 清理旧数据库
echo "[1/4] 清理旧数据库..."
rm -f /var/lib/sunhpc/sunhpc.db*
rm -rf /var/lib/sunhpc/
echo "✓ 清理完成"
echo ""
# 2. 初始化数据库
echo "[2/4] 初始化数据库..."
./sunhpc init database -v --force
if [ $? -ne 0 ]; then
echo "✗ 初始化失败"
exit 1
fi
echo "✓ 初始化完成"
echo ""
# 3. 添加节点
echo "[3/4] 添加节点..."
./sunhpc node add node1 --cpus 32 --memory 128 --disk 1000 --os "CentOS 7.9" --kernel "3.10.0-1160.el7.x86_64"
if [ $? -ne 0 ]; then
echo "✗ 添加节点失败"
exit 1
fi
echo "✓ 节点添加完成"
echo ""
# 4. 查询节点
echo "[4/4] 查询节点列表..."
./sunhpc node list
if [ $? -ne 0 ]; then
echo "✗ 查询失败"
exit 1
fi
echo ""
echo "========================================="
echo "测试完成！"
echo "========================================="

29
tmpls/autofs.yaml Normal file
View File

@@ -0,0 +1,29 @@
description: AutoFS server for SunHPC clusters
copyright: |
Copyright (c) 2026 SunHPC Project.
Licensed under Apache 2.0.
stages:
post:
- type: file
path: /etc/auto.master
content: |
/share /etc/auto.share --timeout=1200
/home /etc/auto.home --timeout=1200
- type: file
path: /etc/auto.share
content: |
apps {{ .Node.Hostname }}.{{ .Cluster.Domain }}:/export/&
- type: script
content: |
mkdir -p /export/apps
echo "AutoFS 配置已生成"
configure:
- type: script
condition: "{{ if .Node.OldHostname }}true{{ end }}"
content: |
sed -i 's/{{ .Node.OldHostname }}/{{ .Node.Hostname }}/g' /etc/auto.share
systemctl restart autofs

9
tmpls/tmpls.go Normal file
View File

@@ -0,0 +1,9 @@
package tmpls
import (
"embed"
_ "embed"
)
//go:embed *.yaml
var FS embed.FS