gitea-1120-rc1/cmd/web.go

604 lines
20 KiB
Go

// Copyright 2014 The Gogs Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package cmd
import (
"crypto/tls"
"fmt"
"io/ioutil"
"net/http"
"net/http/fcgi"
"os"
"path"
"strings"
"github.com/codegangsta/cli"
"github.com/go-macaron/binding"
"github.com/go-macaron/cache"
"github.com/go-macaron/captcha"
"github.com/go-macaron/csrf"
"github.com/go-macaron/gzip"
"github.com/go-macaron/i18n"
"github.com/go-macaron/session"
"github.com/go-macaron/toolbox"
"github.com/go-xorm/xorm"
"github.com/mcuadros/go-version"
"gopkg.in/ini.v1"
"gopkg.in/macaron.v1"
"github.com/gogits/git-module"
"github.com/gogits/go-gogs-client"
"github.com/gogits/gogs/models"
"github.com/gogits/gogs/modules/auth"
"github.com/gogits/gogs/modules/bindata"
"github.com/gogits/gogs/modules/context"
"github.com/gogits/gogs/modules/log"
"github.com/gogits/gogs/modules/setting"
"github.com/gogits/gogs/modules/template"
"github.com/gogits/gogs/routers"
"github.com/gogits/gogs/routers/admin"
apiv1 "github.com/gogits/gogs/routers/api/v1"
"github.com/gogits/gogs/routers/dev"
"github.com/gogits/gogs/routers/org"
"github.com/gogits/gogs/routers/repo"
"github.com/gogits/gogs/routers/user"
)
var CmdWeb = cli.Command{
Name: "web",
Usage: "Start Gogs web server",
Description: `Gogs web server is the only thing you need to run,
and it takes care of all the other things for you`,
Action: runWeb,
Flags: []cli.Flag{
stringFlag("port, p", "3000", "Temporary port number to prevent conflict"),
stringFlag("config, c", "custom/conf/app.ini", "Custom configuration file path"),
},
}
type VerChecker struct {
ImportPath string
Version func() string
Expected string
}
// checkVersion checks if binary matches the version of templates files.
func checkVersion() {
// Templates.
data, err := ioutil.ReadFile(setting.StaticRootPath + "/templates/.VERSION")
if err != nil {
log.Fatal(4, "Fail to read 'templates/.VERSION': %v", err)
}
if string(data) != setting.AppVer {
log.Fatal(4, "Binary and template file version does not match, did you forget to recompile?")
}
// Check dependency version.
checkers := []VerChecker{
{"github.com/go-xorm/xorm", func() string { return xorm.Version }, "0.5.5"},
{"github.com/go-macaron/binding", binding.Version, "0.3.2"},
{"github.com/go-macaron/cache", cache.Version, "0.1.2"},
{"github.com/go-macaron/csrf", csrf.Version, "0.1.0"},
{"github.com/go-macaron/i18n", i18n.Version, "0.3.0"},
{"github.com/go-macaron/session", session.Version, "0.1.6"},
{"github.com/go-macaron/toolbox", toolbox.Version, "0.1.0"},
{"gopkg.in/ini.v1", ini.Version, "1.8.4"},
{"gopkg.in/macaron.v1", macaron.Version, "1.1.7"},
{"github.com/gogits/git-module", git.Version, "0.3.5"},
{"github.com/gogits/go-gogs-client", gogs.Version, "0.10.4"},
}
for _, c := range checkers {
if !version.Compare(c.Version(), c.Expected, ">=") {
log.Fatal(4, `Dependency outdated!
Package '%s' current version (%s) is below requirement (%s),
please use following command to update this package and recompile Gogs:
go get -u %[1]s`, c.ImportPath, c.Version(), c.Expected)
}
}
}
// newMacaron initializes Macaron instance.
func newMacaron() *macaron.Macaron {
m := macaron.New()
if !setting.DisableRouterLog {
m.Use(macaron.Logger())
}
m.Use(macaron.Recovery())
if setting.EnableGzip {
m.Use(gzip.Gziper())
}
if setting.Protocol == setting.FCGI {
m.SetURLPrefix(setting.AppSubUrl)
}
m.Use(macaron.Static(
path.Join(setting.StaticRootPath, "public"),
macaron.StaticOptions{
SkipLogging: setting.DisableRouterLog,
},
))
m.Use(macaron.Static(
setting.AvatarUploadPath,
macaron.StaticOptions{
Prefix: "avatars",
SkipLogging: setting.DisableRouterLog,
},
))
funcMap := template.NewFuncMap()
m.Use(macaron.Renderer(macaron.RenderOptions{
Directory: path.Join(setting.StaticRootPath, "templates"),
AppendDirectories: []string{path.Join(setting.CustomPath, "templates")},
Funcs: funcMap,
IndentJSON: macaron.Env != macaron.PROD,
}))
models.InitMailRender(path.Join(setting.StaticRootPath, "templates/mail"),
path.Join(setting.CustomPath, "templates/mail"), funcMap)
localeNames, err := bindata.AssetDir("conf/locale")
if err != nil {
log.Fatal(4, "Fail to list locale files: %v", err)
}
localFiles := make(map[string][]byte)
for _, name := range localeNames {
localFiles[name] = bindata.MustAsset("conf/locale/" + name)
}
m.Use(i18n.I18n(i18n.Options{
SubURL: setting.AppSubUrl,
Files: localFiles,
CustomDirectory: path.Join(setting.CustomPath, "conf/locale"),
Langs: setting.Langs,
Names: setting.Names,
DefaultLang: "en-US",
Redirect: true,
}))
m.Use(cache.Cacher(cache.Options{
Adapter: setting.CacheAdapter,
AdapterConfig: setting.CacheConn,
Interval: setting.CacheInterval,
}))
m.Use(captcha.Captchaer(captcha.Options{
SubURL: setting.AppSubUrl,
}))
m.Use(session.Sessioner(setting.SessionConfig))
m.Use(csrf.Csrfer(csrf.Options{
Secret: setting.SecretKey,
Cookie: setting.CSRFCookieName,
SetCookie: true,
Header: "X-Csrf-Token",
CookiePath: setting.AppSubUrl,
}))
m.Use(toolbox.Toolboxer(m, toolbox.Options{
HealthCheckFuncs: []*toolbox.HealthCheckFuncDesc{
&toolbox.HealthCheckFuncDesc{
Desc: "Database connection",
Func: models.Ping,
},
},
}))
m.Use(context.Contexter())
return m
}
func runWeb(ctx *cli.Context) error {
if ctx.IsSet("config") {
setting.CustomConf = ctx.String("config")
}
routers.GlobalInit()
checkVersion()
m := newMacaron()
reqSignIn := context.Toggle(&context.ToggleOptions{SignInRequired: true})
ignSignIn := context.Toggle(&context.ToggleOptions{SignInRequired: setting.Service.RequireSignInView})
ignSignInAndCsrf := context.Toggle(&context.ToggleOptions{DisableCSRF: true})
reqSignOut := context.Toggle(&context.ToggleOptions{SignOutRequired: true})
bindIgnErr := binding.BindIgnErr
// FIXME: not all routes need go through same middlewares.
// Especially some AJAX requests, we can reduce middleware number to improve performance.
// Routers.
m.Get("/", ignSignIn, routers.Home)
m.Group("/explore", func() {
m.Get("", func(ctx *context.Context) {
ctx.Redirect(setting.AppSubUrl + "/explore/repos")
})
m.Get("/repos", routers.ExploreRepos)
m.Get("/users", routers.ExploreUsers)
}, ignSignIn)
m.Combo("/install", routers.InstallInit).Get(routers.Install).
Post(bindIgnErr(auth.InstallForm{}), routers.InstallPost)
m.Get("/^:type(issues|pulls)$", reqSignIn, user.Issues)
// ***** START: User *****
m.Group("/user", func() {
m.Get("/login", user.SignIn)
m.Post("/login", bindIgnErr(auth.SignInForm{}), user.SignInPost)
m.Get("/sign_up", user.SignUp)
m.Post("/sign_up", bindIgnErr(auth.RegisterForm{}), user.SignUpPost)
m.Get("/reset_password", user.ResetPasswd)
m.Post("/reset_password", user.ResetPasswdPost)
}, reqSignOut)
m.Group("/user/settings", func() {
m.Get("", user.Settings)
m.Post("", bindIgnErr(auth.UpdateProfileForm{}), user.SettingsPost)
m.Combo("/avatar").Get(user.SettingsAvatar).
Post(binding.MultipartForm(auth.AvatarForm{}), user.SettingsAvatarPost)
m.Post("/avatar/delete", user.SettingsDeleteAvatar)
m.Combo("/email").Get(user.SettingsEmails).
Post(bindIgnErr(auth.AddEmailForm{}), user.SettingsEmailPost)
m.Post("/email/delete", user.DeleteEmail)
m.Get("/password", user.SettingsPassword)
m.Post("/password", bindIgnErr(auth.ChangePasswordForm{}), user.SettingsPasswordPost)
m.Combo("/ssh").Get(user.SettingsSSHKeys).
Post(bindIgnErr(auth.AddSSHKeyForm{}), user.SettingsSSHKeysPost)
m.Post("/ssh/delete", user.DeleteSSHKey)
m.Combo("/applications").Get(user.SettingsApplications).
Post(bindIgnErr(auth.NewAccessTokenForm{}), user.SettingsApplicationsPost)
m.Post("/applications/delete", user.SettingsDeleteApplication)
m.Route("/delete", "GET,POST", user.SettingsDelete)
}, reqSignIn, func(ctx *context.Context) {
ctx.Data["PageIsUserSettings"] = true
})
m.Group("/user", func() {
// r.Get("/feeds", binding.Bind(auth.FeedsForm{}), user.Feeds)
m.Any("/activate", user.Activate)
m.Any("/activate_email", user.ActivateEmail)
m.Get("/email2user", user.Email2User)
m.Get("/forget_password", user.ForgotPasswd)
m.Post("/forget_password", user.ForgotPasswdPost)
m.Get("/logout", user.SignOut)
})
// ***** END: User *****
adminReq := context.Toggle(&context.ToggleOptions{SignInRequired: true, AdminRequired: true})
// ***** START: Admin *****
m.Group("/admin", func() {
m.Get("", adminReq, admin.Dashboard)
m.Get("/config", admin.Config)
m.Post("/config/test_mail", admin.SendTestMail)
m.Get("/monitor", admin.Monitor)
m.Group("/users", func() {
m.Get("", admin.Users)
m.Combo("/new").Get(admin.NewUser).Post(bindIgnErr(auth.AdminCrateUserForm{}), admin.NewUserPost)
m.Combo("/:userid").Get(admin.EditUser).Post(bindIgnErr(auth.AdminEditUserForm{}), admin.EditUserPost)
m.Post("/:userid/delete", admin.DeleteUser)
})
m.Group("/orgs", func() {
m.Get("", admin.Organizations)
})
m.Group("/repos", func() {
m.Get("", admin.Repos)
m.Post("/delete", admin.DeleteRepo)
})
m.Group("/auths", func() {
m.Get("", admin.Authentications)
m.Combo("/new").Get(admin.NewAuthSource).Post(bindIgnErr(auth.AuthenticationForm{}), admin.NewAuthSourcePost)
m.Combo("/:authid").Get(admin.EditAuthSource).
Post(bindIgnErr(auth.AuthenticationForm{}), admin.EditAuthSourcePost)
m.Post("/:authid/delete", admin.DeleteAuthSource)
})
m.Group("/notices", func() {
m.Get("", admin.Notices)
m.Post("/delete", admin.DeleteNotices)
m.Get("/empty", admin.EmptyNotices)
})
}, adminReq)
// ***** END: Admin *****
m.Group("", func() {
m.Group("/:username", func() {
m.Get("", user.Profile)
m.Get("/followers", user.Followers)
m.Get("/following", user.Following)
m.Get("/stars", user.Stars)
})
m.Get("/attachments/:uuid", func(ctx *context.Context) {
attach, err := models.GetAttachmentByUUID(ctx.Params(":uuid"))
if err != nil {
if models.IsErrAttachmentNotExist(err) {
ctx.Error(404)
} else {
ctx.Handle(500, "GetAttachmentByUUID", err)
}
return
}
fr, err := os.Open(attach.LocalPath())
if err != nil {
ctx.Handle(500, "Open", err)
return
}
defer fr.Close()
ctx.Header().Set("Cache-Control", "public,max-age=86400")
// Fix #312. Attachments with , in their name are not handled correctly by Google Chrome.
// We must put the name in " manually.
if err = repo.ServeData(ctx, "\""+attach.Name+"\"", fr); err != nil {
ctx.Handle(500, "ServeData", err)
return
}
})
m.Post("/issues/attachments", repo.UploadIssueAttachment)
}, ignSignIn)
m.Group("/:username", func() {
m.Get("/action/:action", user.Action)
}, reqSignIn)
if macaron.Env == macaron.DEV {
m.Get("/template/*", dev.TemplatePreview)
}
reqRepoAdmin := context.RequireRepoAdmin()
reqRepoWriter := context.RequireRepoWriter()
// ***** START: Organization *****
m.Group("/org", func() {
m.Get("/create", org.Create)
m.Post("/create", bindIgnErr(auth.CreateOrgForm{}), org.CreatePost)
m.Group("/:org", func() {
m.Get("/dashboard", user.Dashboard)
m.Get("/^:type(issues|pulls)$", user.Issues)
m.Get("/members", org.Members)
m.Get("/members/action/:action", org.MembersAction)
m.Get("/teams", org.Teams)
}, context.OrgAssignment(true))
m.Group("/:org", func() {
m.Get("/teams/:team", org.TeamMembers)
m.Get("/teams/:team/repositories", org.TeamRepositories)
m.Route("/teams/:team/action/:action", "GET,POST", org.TeamsAction)
m.Route("/teams/:team/action/repo/:action", "GET,POST", org.TeamsRepoAction)
}, context.OrgAssignment(true, false, true))
m.Group("/:org", func() {
m.Get("/teams/new", org.NewTeam)
m.Post("/teams/new", bindIgnErr(auth.CreateTeamForm{}), org.NewTeamPost)
m.Get("/teams/:team/edit", org.EditTeam)
m.Post("/teams/:team/edit", bindIgnErr(auth.CreateTeamForm{}), org.EditTeamPost)
m.Post("/teams/:team/delete", org.DeleteTeam)
m.Group("/settings", func() {
m.Combo("").Get(org.Settings).
Post(bindIgnErr(auth.UpdateOrgSettingForm{}), org.SettingsPost)
m.Post("/avatar", binding.MultipartForm(auth.AvatarForm{}), org.SettingsAvatar)
m.Post("/avatar/delete", org.SettingsDeleteAvatar)
m.Group("/hooks", func() {
m.Get("", org.Webhooks)
m.Post("/delete", org.DeleteWebhook)
m.Get("/:type/new", repo.WebhooksNew)
m.Post("/gogs/new", bindIgnErr(auth.NewWebhookForm{}), repo.WebHooksNewPost)
m.Post("/slack/new", bindIgnErr(auth.NewSlackHookForm{}), repo.SlackHooksNewPost)
m.Get("/:id", repo.WebHooksEdit)
m.Post("/gogs/:id", bindIgnErr(auth.NewWebhookForm{}), repo.WebHooksEditPost)
m.Post("/slack/:id", bindIgnErr(auth.NewSlackHookForm{}), repo.SlackHooksEditPost)
})
m.Route("/delete", "GET,POST", org.SettingsDelete)
})
m.Route("/invitations/new", "GET,POST", org.Invitation)
}, context.OrgAssignment(true, true))
}, reqSignIn)
// ***** END: Organization *****
// ***** START: Repository *****
m.Group("/repo", func() {
m.Get("/create", repo.Create)
m.Post("/create", bindIgnErr(auth.CreateRepoForm{}), repo.CreatePost)
m.Get("/migrate", repo.Migrate)
m.Post("/migrate", bindIgnErr(auth.MigrateRepoForm{}), repo.MigratePost)
m.Combo("/fork/:repoid").Get(repo.Fork).
Post(bindIgnErr(auth.CreateRepoForm{}), repo.ForkPost)
}, reqSignIn)
m.Group("/:username/:reponame", func() {
m.Group("/settings", func() {
m.Combo("").Get(repo.Settings).
Post(bindIgnErr(auth.RepoSettingForm{}), repo.SettingsPost)
m.Group("/collaboration", func() {
m.Combo("").Get(repo.Collaboration).Post(repo.CollaborationPost)
m.Post("/access_mode", repo.ChangeCollaborationAccessMode)
m.Post("/delete", repo.DeleteCollaboration)
})
m.Group("/hooks", func() {
m.Get("", repo.Webhooks)
m.Post("/delete", repo.DeleteWebhook)
m.Get("/:type/new", repo.WebhooksNew)
m.Post("/gogs/new", bindIgnErr(auth.NewWebhookForm{}), repo.WebHooksNewPost)
m.Post("/slack/new", bindIgnErr(auth.NewSlackHookForm{}), repo.SlackHooksNewPost)
m.Get("/:id", repo.WebHooksEdit)
m.Post("/:id/test", repo.TestWebhook)
m.Post("/gogs/:id", bindIgnErr(auth.NewWebhookForm{}), repo.WebHooksEditPost)
m.Post("/slack/:id", bindIgnErr(auth.NewSlackHookForm{}), repo.SlackHooksEditPost)
m.Group("/git", func() {
m.Get("", repo.GitHooks)
m.Combo("/:name").Get(repo.GitHooksEdit).
Post(repo.GitHooksEditPost)
}, context.GitHookService())
})
m.Group("/keys", func() {
m.Combo("").Get(repo.DeployKeys).
Post(bindIgnErr(auth.AddSSHKeyForm{}), repo.DeployKeysPost)
m.Post("/delete", repo.DeleteDeployKey)
})
}, func(ctx *context.Context) {
ctx.Data["PageIsSettings"] = true
})
}, reqSignIn, context.RepoAssignment(), reqRepoAdmin, context.RepoRef())
m.Get("/:username/:reponame/action/:action", reqSignIn, context.RepoAssignment(), repo.Action)
m.Group("/:username/:reponame", func() {
// FIXME: should use different URLs but mostly same logic for comments of issue and pull reuqest.
// So they can apply their own enable/disable logic on routers.
m.Group("/issues", func() {
m.Combo("/new", repo.MustEnableIssues).Get(context.RepoRef(), repo.NewIssue).
Post(bindIgnErr(auth.CreateIssueForm{}), repo.NewIssuePost)
m.Group("/:index", func() {
m.Post("/label", repo.UpdateIssueLabel)
m.Post("/milestone", repo.UpdateIssueMilestone)
m.Post("/assignee", repo.UpdateIssueAssignee)
}, reqRepoWriter)
m.Group("/:index", func() {
m.Post("/title", repo.UpdateIssueTitle)
m.Post("/content", repo.UpdateIssueContent)
m.Combo("/comments").Post(bindIgnErr(auth.CreateCommentForm{}), repo.NewComment)
})
})
m.Group("/comments/:id", func() {
m.Post("", repo.UpdateCommentContent)
m.Post("/delete", repo.DeleteComment)
})
m.Group("/labels", func() {
m.Post("/new", bindIgnErr(auth.CreateLabelForm{}), repo.NewLabel)
m.Post("/edit", bindIgnErr(auth.CreateLabelForm{}), repo.UpdateLabel)
m.Post("/delete", repo.DeleteLabel)
}, repo.MustEnableIssues, reqRepoWriter, context.RepoRef())
m.Group("/milestones", func() {
m.Combo("/new").Get(repo.NewMilestone).
Post(bindIgnErr(auth.CreateMilestoneForm{}), repo.NewMilestonePost)
m.Get("/:id/edit", repo.EditMilestone)
m.Post("/:id/edit", bindIgnErr(auth.CreateMilestoneForm{}), repo.EditMilestonePost)
m.Get("/:id/:action", repo.ChangeMilestonStatus)
m.Post("/delete", repo.DeleteMilestone)
}, repo.MustEnableIssues, reqRepoWriter, context.RepoRef())
m.Group("/releases", func() {
m.Get("/new", repo.NewRelease)
m.Post("/new", bindIgnErr(auth.NewReleaseForm{}), repo.NewReleasePost)
m.Get("/edit/*", repo.EditRelease)
m.Post("/edit/*", bindIgnErr(auth.EditReleaseForm{}), repo.EditReleasePost)
m.Post("/delete", repo.DeleteRelease)
}, reqRepoWriter, context.RepoRef())
m.Combo("/compare/*", repo.MustAllowPulls).Get(repo.CompareAndPullRequest).
Post(bindIgnErr(auth.CreateIssueForm{}), repo.CompareAndPullRequestPost)
}, reqSignIn, context.RepoAssignment(), repo.MustBeNotBare)
m.Group("/:username/:reponame", func() {
m.Group("", func() {
m.Get("/releases", repo.Releases)
m.Get("/^:type(issues|pulls)$", repo.RetrieveLabels, repo.Issues)
m.Get("/^:type(issues|pulls)$/:index", repo.ViewIssue)
m.Get("/labels/", repo.RetrieveLabels, repo.Labels)
m.Get("/milestones", repo.Milestones)
}, context.RepoRef())
// m.Get("/branches", repo.Branches)
m.Group("/wiki", func() {
m.Get("/?:page", repo.Wiki)
m.Get("/_pages", repo.WikiPages)
m.Group("", func() {
m.Combo("/_new").Get(repo.NewWiki).
Post(bindIgnErr(auth.NewWikiForm{}), repo.NewWikiPost)
m.Combo("/:page/_edit").Get(repo.EditWiki).
Post(bindIgnErr(auth.NewWikiForm{}), repo.EditWikiPost)
m.Post("/:page/delete", repo.DeleteWikiPagePost)
}, reqSignIn, reqRepoWriter)
}, repo.MustEnableWiki, context.RepoRef())
m.Get("/archive/*", repo.Download)
m.Group("/pulls/:index", func() {
m.Get("/commits", context.RepoRef(), repo.ViewPullCommits)
m.Get("/files", context.RepoRef(), repo.ViewPullFiles)
m.Post("/merge", reqRepoWriter, repo.MergePullRequest)
}, repo.MustAllowPulls)
m.Group("", func() {
m.Get("/src/*", repo.Home)
m.Get("/raw/*", repo.SingleDownload)
m.Get("/commits/*", repo.RefCommits)
m.Get("/commit/:sha([a-z0-9]{40})$", repo.Diff)
m.Get("/forks", repo.Forks)
}, context.RepoRef())
m.Get("/commit/:sha([a-z0-9]{40})\\.:ext(patch|diff)", repo.RawDiff)
m.Get("/compare/:before([a-z0-9]{40})\\.\\.\\.:after([a-z0-9]{40})", repo.CompareDiff)
}, ignSignIn, context.RepoAssignment(), repo.MustBeNotBare)
m.Group("/:username/:reponame", func() {
m.Get("/stars", repo.Stars)
m.Get("/watchers", repo.Watchers)
}, ignSignIn, context.RepoAssignment(), context.RepoRef())
m.Group("/:username", func() {
m.Group("/:reponame", func() {
m.Get("", repo.Home)
m.Get("\\.git$", repo.Home)
}, ignSignIn, context.RepoAssignment(true), context.RepoRef())
m.Group("/:reponame", func() {
m.Any("/*", ignSignInAndCsrf, repo.HTTP)
m.Head("/tasks/trigger", repo.TriggerTask)
})
})
// ***** END: Repository *****
m.Group("/api", func() {
apiv1.RegisterRoutes(m)
}, ignSignIn)
// robots.txt
m.Get("/robots.txt", func(ctx *context.Context) {
if setting.HasRobotsTxt {
ctx.ServeFileContent(path.Join(setting.CustomPath, "robots.txt"))
} else {
ctx.Error(404)
}
})
// Not found handler.
m.NotFound(routers.NotFound)
// Flag for port number in case first time run conflict.
if ctx.IsSet("port") {
setting.AppUrl = strings.Replace(setting.AppUrl, setting.HttpPort, ctx.String("port"), 1)
setting.HttpPort = ctx.String("port")
}
var err error
listenAddr := fmt.Sprintf("%s:%s", setting.HttpAddr, setting.HttpPort)
log.Info("Listen: %v://%s%s", setting.Protocol, listenAddr, setting.AppSubUrl)
switch setting.Protocol {
case setting.HTTP:
err = http.ListenAndServe(listenAddr, m)
case setting.HTTPS:
server := &http.Server{Addr: listenAddr, TLSConfig: &tls.Config{MinVersion: tls.VersionTLS10}, Handler: m}
err = server.ListenAndServeTLS(setting.CertFile, setting.KeyFile)
case setting.FCGI:
err = fcgi.Serve(nil, m)
default:
log.Fatal(4, "Invalid protocol: %s", setting.Protocol)
}
if err != nil {
log.Fatal(4, "Fail to start server: %v", err)
}
return nil
}