feat: create standalone native fnOS repository
This commit is contained in:
@@ -0,0 +1,439 @@
|
||||
package updater
|
||||
|
||||
import (
|
||||
"context"
|
||||
"encoding/json"
|
||||
"errors"
|
||||
"fmt"
|
||||
"log/slog"
|
||||
"net"
|
||||
"net/http"
|
||||
"os"
|
||||
"path/filepath"
|
||||
"regexp"
|
||||
"strings"
|
||||
"sync"
|
||||
"time"
|
||||
)
|
||||
|
||||
var ErrBusy = errors.New("升级任务正在进行中")
|
||||
|
||||
var serviceNamePattern = regexp.MustCompile(`^[a-zA-Z0-9_.-]+$`)
|
||||
|
||||
// Config 是 havline-updater sidecar 的运行配置。
|
||||
type Config struct {
|
||||
SocketPath string
|
||||
ProjectDir string
|
||||
ComposeFile string
|
||||
Service string
|
||||
Mode string
|
||||
RepoURL string
|
||||
Branch string
|
||||
AppURL string
|
||||
HostProjectDir string
|
||||
ProjectName string
|
||||
SelfImage string
|
||||
DockerSocket string
|
||||
BuildTimeout time.Duration
|
||||
HealthTimeout time.Duration
|
||||
}
|
||||
|
||||
type Server struct {
|
||||
cfg Config
|
||||
logger *slog.Logger
|
||||
composePath string
|
||||
|
||||
mu sync.Mutex
|
||||
state Status
|
||||
lastChecked time.Time
|
||||
}
|
||||
|
||||
type composePlan struct {
|
||||
helper bool
|
||||
projectName string
|
||||
containerCompose string
|
||||
hostProjectDir string
|
||||
hostComposePath string
|
||||
helperComposePath string
|
||||
}
|
||||
|
||||
// NewServer 校验 sidecar 配置；参数不正确时拒绝启动。
|
||||
func NewServer(cfg Config, logger *slog.Logger) (*Server, error) {
|
||||
cfg.SocketPath = strings.TrimSpace(cfg.SocketPath)
|
||||
if cfg.SocketPath == "" {
|
||||
cfg.SocketPath = "/run/havline-updater/updater.sock"
|
||||
}
|
||||
if strings.TrimSpace(cfg.ProjectDir) == "" {
|
||||
cfg.ProjectDir = "/workspace"
|
||||
}
|
||||
if strings.TrimSpace(cfg.ComposeFile) == "" {
|
||||
cfg.ComposeFile = "docker-compose.yml"
|
||||
}
|
||||
if strings.TrimSpace(cfg.Service) == "" {
|
||||
cfg.Service = "havline"
|
||||
}
|
||||
if strings.TrimSpace(cfg.Mode) == "" {
|
||||
cfg.Mode = "local"
|
||||
}
|
||||
if strings.TrimSpace(cfg.Branch) == "" {
|
||||
cfg.Branch = "main"
|
||||
}
|
||||
if strings.TrimSpace(cfg.AppURL) == "" {
|
||||
cfg.AppURL = "http://havline:6893"
|
||||
}
|
||||
if strings.TrimSpace(cfg.DockerSocket) == "" {
|
||||
cfg.DockerSocket = "/var/run/docker.sock"
|
||||
}
|
||||
cfg.HostProjectDir = strings.TrimSpace(cfg.HostProjectDir)
|
||||
cfg.ProjectName = strings.TrimSpace(cfg.ProjectName)
|
||||
cfg.SelfImage = strings.TrimSpace(cfg.SelfImage)
|
||||
if cfg.BuildTimeout <= 0 {
|
||||
cfg.BuildTimeout = 30 * time.Minute
|
||||
}
|
||||
if cfg.HealthTimeout <= 0 {
|
||||
cfg.HealthTimeout = 3 * time.Minute
|
||||
}
|
||||
if cfg.Mode != "local" && cfg.Mode != "git" {
|
||||
return nil, fmt.Errorf("HAVLINE_UPDATE_MODE 只支持 local 或 git")
|
||||
}
|
||||
if !serviceNamePattern.MatchString(cfg.Service) {
|
||||
return nil, fmt.Errorf("HAVLINE_UPDATE_SERVICE 含非法字符")
|
||||
}
|
||||
composePath, err := resolveComposePath(cfg.ProjectDir, cfg.ComposeFile)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
if cfg.Mode == "git" && strings.TrimSpace(cfg.RepoURL) == "" {
|
||||
return nil, fmt.Errorf("git 模式必须设置 HAVLINE_UPDATE_REPO")
|
||||
}
|
||||
if logger == nil {
|
||||
logger = slog.Default()
|
||||
}
|
||||
return &Server{
|
||||
cfg: cfg,
|
||||
logger: logger,
|
||||
composePath: composePath,
|
||||
state: Status{
|
||||
Enabled: true,
|
||||
Mode: cfg.Mode,
|
||||
Phase: PhaseIdle,
|
||||
Message: "尚未检查更新",
|
||||
},
|
||||
}, nil
|
||||
}
|
||||
|
||||
func (s *Server) Handler() http.Handler {
|
||||
mux := http.NewServeMux()
|
||||
mux.HandleFunc("GET /status", s.handleStatus)
|
||||
mux.HandleFunc("POST /apply", s.handleApply)
|
||||
return mux
|
||||
}
|
||||
|
||||
// Serve 在共享 Unix Socket 上提供服务。
|
||||
func (s *Server) Serve(ctx context.Context) error {
|
||||
if err := os.MkdirAll(filepath.Dir(s.cfg.SocketPath), 0o750); err != nil {
|
||||
return err
|
||||
}
|
||||
_ = os.Remove(s.cfg.SocketPath)
|
||||
listener, err := net.Listen("unix", s.cfg.SocketPath)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
defer func() {
|
||||
_ = listener.Close()
|
||||
_ = os.Remove(s.cfg.SocketPath)
|
||||
}()
|
||||
_ = os.Chmod(s.cfg.SocketPath, 0o660)
|
||||
|
||||
server := &http.Server{
|
||||
Handler: s.Handler(),
|
||||
ReadHeaderTimeout: 5 * time.Second,
|
||||
ReadTimeout: 30 * time.Second,
|
||||
WriteTimeout: 30 * time.Second,
|
||||
}
|
||||
go func() {
|
||||
<-ctx.Done()
|
||||
shutdownCtx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
|
||||
defer cancel()
|
||||
_ = server.Shutdown(shutdownCtx)
|
||||
}()
|
||||
err = server.Serve(listener)
|
||||
if errors.Is(err, http.ErrServerClosed) {
|
||||
return nil
|
||||
}
|
||||
return err
|
||||
}
|
||||
|
||||
func (s *Server) handleStatus(w http.ResponseWriter, r *http.Request) {
|
||||
writeJSON(w, http.StatusOK, s.Status(r.Context()))
|
||||
}
|
||||
|
||||
func (s *Server) handleApply(w http.ResponseWriter, r *http.Request) {
|
||||
status, err := s.Apply(r.Context())
|
||||
if errors.Is(err, ErrBusy) {
|
||||
writeJSON(w, http.StatusConflict, status)
|
||||
return
|
||||
}
|
||||
if err != nil {
|
||||
writeJSON(w, http.StatusInternalServerError, map[string]string{"error": err.Error()})
|
||||
return
|
||||
}
|
||||
writeJSON(w, http.StatusAccepted, status)
|
||||
}
|
||||
|
||||
func (s *Server) ensureComposeFile(ctx context.Context) error {
|
||||
_, err := s.resolveComposePlan(ctx)
|
||||
return err
|
||||
}
|
||||
|
||||
func (s *Server) resolveComposePlan(ctx context.Context) (composePlan, error) {
|
||||
projectName, err := s.composeProjectName(ctx)
|
||||
if err != nil {
|
||||
return composePlan{}, err
|
||||
}
|
||||
info, err := os.Stat(s.composePath)
|
||||
if err == nil && !info.IsDir() {
|
||||
return composePlan{projectName: projectName, containerCompose: s.composePath}, nil
|
||||
}
|
||||
if err == nil && info.IsDir() {
|
||||
return composePlan{}, fmt.Errorf("Compose 路径是目录而不是文件：%s", s.composePath)
|
||||
}
|
||||
hostDir, hostComposePath, discoverErr := s.discoverHostCompose(ctx)
|
||||
if discoverErr == nil {
|
||||
helperPath, pathErr := helperComposePath(hostDir, hostComposePath)
|
||||
if pathErr == nil {
|
||||
return composePlan{
|
||||
helper: true,
|
||||
projectName: projectName,
|
||||
hostProjectDir: hostDir,
|
||||
hostComposePath: hostComposePath,
|
||||
helperComposePath: helperPath,
|
||||
}, nil
|
||||
}
|
||||
}
|
||||
return composePlan{}, fmt.Errorf("找不到 Compose 文件 %s，且无法自动定位宿主机目录；请设置 HAVLINE_UPDATE_HOST_DIR", s.composePath)
|
||||
}
|
||||
|
||||
func (s *Server) composeProjectName(ctx context.Context) (string, error) {
|
||||
projectName, err := s.dockerLabel(ctx, "com.docker.compose.project")
|
||||
projectName = strings.TrimSpace(projectName)
|
||||
if projectName != "" {
|
||||
return projectName, nil
|
||||
}
|
||||
if s.cfg.ProjectName != "" {
|
||||
return s.cfg.ProjectName, nil
|
||||
}
|
||||
if err != nil {
|
||||
return "", fmt.Errorf("无法读取现有容器的 Compose 项目标签：%w", err)
|
||||
}
|
||||
return "", fmt.Errorf("现有 havline 容器不是由 Compose 管理，无法安全一键升级；请按 Compose 方式重新部署")
|
||||
}
|
||||
|
||||
func (s *Server) discoverHostCompose(ctx context.Context) (string, string, error) {
|
||||
if s.cfg.HostProjectDir != "" && !isContainerPath(s.cfg.HostProjectDir, s.cfg.ProjectDir) {
|
||||
if !filepath.IsAbs(s.cfg.HostProjectDir) {
|
||||
return "", "", fmt.Errorf("HAVLINE_UPDATE_HOST_DIR 必须是绝对路径")
|
||||
}
|
||||
return s.cfg.HostProjectDir, filepath.Join(s.cfg.HostProjectDir, filepath.Base(s.cfg.ComposeFile)), nil
|
||||
}
|
||||
workingDir, _ := s.dockerLabel(ctx, "com.docker.compose.project.working_dir")
|
||||
configFiles, _ := s.dockerLabel(ctx, "com.docker.compose.project.config_files")
|
||||
hostDir := strings.TrimSpace(workingDir)
|
||||
hostCompose := chooseComposeFile(configFiles, filepath.Base(s.cfg.ComposeFile))
|
||||
if hostCompose == "" {
|
||||
if hostDir == "" || isContainerPath(hostDir, s.cfg.ProjectDir) {
|
||||
return "", "", fmt.Errorf("无法从容器标签读取宿主机 Compose 目录")
|
||||
}
|
||||
hostCompose = filepath.Join(hostDir, filepath.Base(s.cfg.ComposeFile))
|
||||
}
|
||||
if hostDir == "" || isContainerPath(hostDir, s.cfg.ProjectDir) {
|
||||
hostDir = filepath.Dir(hostCompose)
|
||||
}
|
||||
if !filepath.IsAbs(hostDir) || !filepath.IsAbs(hostCompose) {
|
||||
return "", "", fmt.Errorf("容器标签中的 Compose 路径不是绝对路径")
|
||||
}
|
||||
if isContainerPath(hostDir, s.cfg.ProjectDir) {
|
||||
return "", "", fmt.Errorf("容器标签只提供了容器内路径 %s，无法定位宿主机 Compose 目录", hostDir)
|
||||
}
|
||||
return filepath.Clean(hostDir), filepath.Clean(hostCompose), nil
|
||||
}
|
||||
|
||||
func isContainerPath(path, containerDir string) bool {
|
||||
path = filepath.Clean(strings.TrimSpace(path))
|
||||
containerDir = filepath.Clean(strings.TrimSpace(containerDir))
|
||||
if path == "" || containerDir == "" || path == "." {
|
||||
return false
|
||||
}
|
||||
return path == containerDir || strings.HasPrefix(path, containerDir+string(filepath.Separator))
|
||||
}
|
||||
|
||||
func (s *Server) dockerLabel(ctx context.Context, label string) (string, error) {
|
||||
format := fmt.Sprintf(`{{ index .Config.Labels %q }}`, label)
|
||||
checkCtx, cancel := context.WithTimeout(ctx, 5*time.Second)
|
||||
defer cancel()
|
||||
output, err := runCommand(checkCtx, "", nil, "docker", "inspect", "--format", format, s.cfg.Service)
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
return strings.TrimSpace(output), nil
|
||||
}
|
||||
|
||||
func chooseComposeFile(configFiles, expectedBase string) string {
|
||||
for _, item := range strings.Split(configFiles, ",") {
|
||||
path := strings.TrimSpace(item)
|
||||
if path == "" {
|
||||
continue
|
||||
}
|
||||
if filepath.Base(path) == expectedBase {
|
||||
return path
|
||||
}
|
||||
}
|
||||
for _, item := range strings.Split(configFiles, ",") {
|
||||
if path := strings.TrimSpace(item); path != "" {
|
||||
return path
|
||||
}
|
||||
}
|
||||
return ""
|
||||
}
|
||||
|
||||
func helperComposePath(hostDir, hostCompose string) (string, error) {
|
||||
rel, err := filepath.Rel(hostDir, hostCompose)
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
if rel == ".." || strings.HasPrefix(rel, ".."+string(filepath.Separator)) {
|
||||
return "", fmt.Errorf("Compose 文件不在宿主机项目目录内")
|
||||
}
|
||||
return filepath.Join("/workspace", rel), nil
|
||||
}
|
||||
|
||||
// Status 返回当前版本、远端版本和任务状态。
|
||||
func (s *Server) Status(ctx context.Context) Status {
|
||||
s.mu.Lock()
|
||||
if busyPhase(s.state.Phase) {
|
||||
status := cloneStatus(s.state)
|
||||
s.mu.Unlock()
|
||||
return status
|
||||
}
|
||||
s.mu.Unlock()
|
||||
if err := s.ensureComposeFile(ctx); err != nil {
|
||||
s.mu.Lock()
|
||||
defer s.mu.Unlock()
|
||||
s.state.UpdateAvailable = false
|
||||
s.state.Message = err.Error()
|
||||
s.state.CheckedAt = time.Now().UTC().Format(time.RFC3339)
|
||||
return cloneStatus(s.state)
|
||||
}
|
||||
s.mu.Lock()
|
||||
if !s.lastChecked.IsZero() && time.Since(s.lastChecked) < time.Minute {
|
||||
status := cloneStatus(s.state)
|
||||
s.mu.Unlock()
|
||||
return status
|
||||
}
|
||||
s.mu.Unlock()
|
||||
|
||||
checkCtx, cancel := context.WithTimeout(ctx, 20*time.Second)
|
||||
defer cancel()
|
||||
current, currentErr := readCurrentVersion(checkCtx, s.cfg.AppURL)
|
||||
latest, latestErr := s.latestVersion(checkCtx)
|
||||
|
||||
s.mu.Lock()
|
||||
defer s.mu.Unlock()
|
||||
s.lastChecked = time.Now()
|
||||
s.state.CurrentVersion = current
|
||||
s.state.LatestVersion = latest
|
||||
s.state.UpdateAvailable = latest != "" && current != "" && CompareVersions(latest, current) > 0
|
||||
s.state.CheckedAt = time.Now().UTC().Format(time.RFC3339)
|
||||
switch {
|
||||
case currentErr != nil:
|
||||
s.state.Message = "无法读取当前运行版本：" + currentErr.Error()
|
||||
case latestErr != nil:
|
||||
s.state.Message = "无法读取远端最新版本：" + latestErr.Error()
|
||||
case s.state.UpdateAvailable:
|
||||
s.state.Message = fmt.Sprintf("发现新版本 %s，当前 %s", latest, current)
|
||||
default:
|
||||
s.state.Message = "当前已是最新版本"
|
||||
}
|
||||
return cloneStatus(s.state)
|
||||
}
|
||||
|
||||
// Apply 立即返回排队状态，后台完成构建、重建、健康检查和必要回滚。
|
||||
func (s *Server) Apply(_ context.Context) (Status, error) {
|
||||
s.mu.Lock()
|
||||
if busyPhase(s.state.Phase) {
|
||||
status := cloneStatus(s.state)
|
||||
s.mu.Unlock()
|
||||
return status, ErrBusy
|
||||
}
|
||||
s.state.Phase = PhaseScheduled
|
||||
s.state.Busy = true
|
||||
s.state.Message = "升级任务已排队，即将重启 Havline"
|
||||
s.state.Log = []string{"升级任务已排队"}
|
||||
status := cloneStatus(s.state)
|
||||
s.mu.Unlock()
|
||||
go s.runScheduled()
|
||||
return status, nil
|
||||
}
|
||||
|
||||
func (s *Server) runScheduled() {
|
||||
time.Sleep(2 * time.Second)
|
||||
if err := s.runUpdate(context.Background()); err != nil {
|
||||
s.logf("升级失败：%v", err)
|
||||
s.finish(PhaseFailed, err.Error())
|
||||
return
|
||||
}
|
||||
s.finish(PhaseSuccess, "升级完成")
|
||||
}
|
||||
|
||||
func (s *Server) finish(phase Phase, message string) {
|
||||
s.mu.Lock()
|
||||
s.state.Phase = phase
|
||||
s.state.Busy = false
|
||||
s.state.Message = message
|
||||
s.lastChecked = time.Time{}
|
||||
s.mu.Unlock()
|
||||
}
|
||||
|
||||
func (s *Server) logf(format string, args ...any) {
|
||||
line := fmt.Sprintf(format, args...)
|
||||
s.logger.Info(line, "module", "UPDATER")
|
||||
s.mu.Lock()
|
||||
s.state.Log = append(s.state.Log, line)
|
||||
if len(s.state.Log) > 200 {
|
||||
s.state.Log = s.state.Log[len(s.state.Log)-200:]
|
||||
}
|
||||
s.mu.Unlock()
|
||||
}
|
||||
|
||||
func cloneStatus(status Status) Status {
|
||||
status.Log = append([]string(nil), status.Log...)
|
||||
return status
|
||||
}
|
||||
|
||||
func resolveComposePath(projectDir, composeFile string) (string, error) {
|
||||
dir, err := filepath.Abs(strings.TrimSpace(projectDir))
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
path := strings.TrimSpace(composeFile)
|
||||
if !filepath.IsAbs(path) {
|
||||
path = filepath.Join(dir, path)
|
||||
}
|
||||
path = filepath.Clean(path)
|
||||
rel, err := filepath.Rel(dir, path)
|
||||
if err != nil || rel == ".." || strings.HasPrefix(rel, ".."+string(filepath.Separator)) {
|
||||
return "", fmt.Errorf("compose 文件必须位于项目目录内")
|
||||
}
|
||||
switch filepath.Base(path) {
|
||||
case "docker-compose.yml", "docker-compose.hub.yml", "docker-compose.host.yml":
|
||||
return path, nil
|
||||
default:
|
||||
return "", fmt.Errorf("不支持的 compose 文件：%s", filepath.Base(path))
|
||||
}
|
||||
}
|
||||
|
||||
func writeJSON(w http.ResponseWriter, status int, value any) {
|
||||
w.Header().Set("Content-Type", "application/json; charset=utf-8")
|
||||
w.WriteHeader(status)
|
||||
_ = json.NewEncoder(w).Encode(value)
|
||||
}
|
||||
Reference in New Issue
Block a user