forgejo/cmd/web.go
wxiaoguang 5bf8d5445e
Refactor Router Logger (#17308)
Make router logger more friendly, show the related function name/file/line.

[BREAKING]
This PR substantially changes the logging format of the router logger. If you use this logging for monitoring e.g. fail2ban you will need to update this to match the new format.
2022-01-20 19:41:25 +08:00

263 lines
7.3 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 (
"context"
"fmt"
"net"
"net/http"
"os"
"strings"
_ "net/http/pprof" // Used for debugging if enabled and a web server is running
"code.gitea.io/gitea/modules/graceful"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/routers"
"code.gitea.io/gitea/routers/install"
"github.com/urfave/cli"
ini "gopkg.in/ini.v1"
)
// CmdWeb represents the available web sub-command.
var CmdWeb = cli.Command{
Name: "web",
Usage: "Start Gitea web server",
Description: `Gitea 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{
cli.StringFlag{
Name: "port, p",
Value: "3000",
Usage: "Temporary port number to prevent conflict",
},
cli.StringFlag{
Name: "install-port",
Value: "3000",
Usage: "Temporary port number to run the install page on to prevent conflict",
},
cli.StringFlag{
Name: "pid, P",
Value: setting.PIDFile,
Usage: "Custom pid file path",
},
cli.BoolFlag{
Name: "quiet, q",
Usage: "Only display Fatal logging errors until logging is set-up",
},
cli.BoolFlag{
Name: "verbose",
Usage: "Set initial logging to TRACE level until logging is properly set-up",
},
},
}
func runHTTPRedirector() {
source := fmt.Sprintf("%s:%s", setting.HTTPAddr, setting.PortToRedirect)
dest := strings.TrimSuffix(setting.AppURL, "/")
log.Info("Redirecting: %s to %s", source, dest)
handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
target := dest + r.URL.Path
if len(r.URL.RawQuery) > 0 {
target += "?" + r.URL.RawQuery
}
http.Redirect(w, r, target, http.StatusTemporaryRedirect)
})
var err = runHTTP("tcp", source, "HTTP Redirector", handler)
if err != nil {
log.Fatal("Failed to start port redirection: %v", err)
}
}
func runWeb(ctx *cli.Context) error {
if ctx.Bool("verbose") {
_ = log.DelLogger("console")
log.NewLogger(0, "console", "console", fmt.Sprintf(`{"level": "trace", "colorize": %t, "stacktraceLevel": "none"}`, log.CanColorStdout))
} else if ctx.Bool("quiet") {
_ = log.DelLogger("console")
log.NewLogger(0, "console", "console", fmt.Sprintf(`{"level": "fatal", "colorize": %t, "stacktraceLevel": "none"}`, log.CanColorStdout))
}
defer func() {
if panicked := recover(); panicked != nil {
log.Fatal("PANIC: %v\n%s", panicked, log.Stack(2))
}
}()
managerCtx, cancel := context.WithCancel(context.Background())
graceful.InitManager(managerCtx)
defer cancel()
if os.Getppid() > 1 && len(os.Getenv("LISTEN_FDS")) > 0 {
log.Info("Restarting Gitea on PID: %d from parent PID: %d", os.Getpid(), os.Getppid())
} else {
log.Info("Starting Gitea on PID: %d", os.Getpid())
}
// Set pid file setting
if ctx.IsSet("pid") {
setting.PIDFile = ctx.String("pid")
setting.WritePIDFile = true
}
// Perform pre-initialization
needsInstall := install.PreloadSettings(graceful.GetManager().HammerContext())
if needsInstall {
// Flag for port number in case first time run conflict
if ctx.IsSet("port") {
if err := setPort(ctx.String("port")); err != nil {
return err
}
}
if ctx.IsSet("install-port") {
if err := setPort(ctx.String("install-port")); err != nil {
return err
}
}
c := install.Routes()
err := listen(c, false)
if err != nil {
log.Critical("Unable to open listener for installer. Is Gitea already running?")
graceful.GetManager().DoGracefulShutdown()
}
select {
case <-graceful.GetManager().IsShutdown():
<-graceful.GetManager().Done()
log.Info("PID: %d Gitea Web Finished", os.Getpid())
log.Close()
return err
default:
}
} else {
NoInstallListener()
}
if setting.EnablePprof {
go func() {
log.Info("Starting pprof server on localhost:6060")
log.Info("%v", http.ListenAndServe("localhost:6060", nil))
}()
}
log.Info("Global init")
// Perform global initialization
setting.LoadFromExisting()
routers.GlobalInitInstalled(graceful.GetManager().HammerContext())
// We check that AppDataPath exists here (it should have been created during installation)
// We can't check it in `GlobalInitInstalled`, because some integration tests
// use cmd -> GlobalInitInstalled, but the AppDataPath doesn't exist during those tests.
if _, err := os.Stat(setting.AppDataPath); err != nil {
log.Fatal("Can not find APP_DATA_PATH '%s'", setting.AppDataPath)
}
// Override the provided port number within the configuration
if ctx.IsSet("port") {
if err := setPort(ctx.String("port")); err != nil {
return err
}
}
// Set up Chi routes
c := routers.NormalRoutes()
err := listen(c, true)
<-graceful.GetManager().Done()
log.Info("PID: %d Gitea Web Finished", os.Getpid())
log.Close()
return err
}
func setPort(port string) error {
setting.AppURL = strings.Replace(setting.AppURL, setting.HTTPPort, port, 1)
setting.HTTPPort = port
switch setting.Protocol {
case setting.HTTPUnix:
case setting.FCGI:
case setting.FCGIUnix:
default:
defaultLocalURL := string(setting.Protocol) + "://"
if setting.HTTPAddr == "0.0.0.0" {
defaultLocalURL += "localhost"
} else {
defaultLocalURL += setting.HTTPAddr
}
defaultLocalURL += ":" + setting.HTTPPort + "/"
// Save LOCAL_ROOT_URL if port changed
setting.CreateOrAppendToCustomConf(func(cfg *ini.File) {
cfg.Section("server").Key("LOCAL_ROOT_URL").SetValue(defaultLocalURL)
})
}
return nil
}
func listen(m http.Handler, handleRedirector bool) error {
listenAddr := setting.HTTPAddr
if setting.Protocol != setting.HTTPUnix && setting.Protocol != setting.FCGIUnix {
listenAddr = net.JoinHostPort(listenAddr, setting.HTTPPort)
}
log.Info("Listen: %v://%s%s", setting.Protocol, listenAddr, setting.AppSubURL)
// This can be useful for users, many users do wrong to their config and get strange behaviors behind a reverse-proxy.
// A user may fix the configuration mistake when he sees this log.
// And this is also very helpful to maintainers to provide help to users to resolve their configuration problems.
log.Info("AppURL(ROOT_URL): %s", setting.AppURL)
if setting.LFS.StartServer {
log.Info("LFS server enabled")
}
var err error
switch setting.Protocol {
case setting.HTTP:
if handleRedirector {
NoHTTPRedirector()
}
err = runHTTP("tcp", listenAddr, "Web", m)
case setting.HTTPS:
if setting.EnableLetsEncrypt {
err = runLetsEncrypt(listenAddr, setting.Domain, setting.LetsEncryptDirectory, setting.LetsEncryptEmail, m)
break
}
if handleRedirector {
if setting.RedirectOtherPort {
go runHTTPRedirector()
} else {
NoHTTPRedirector()
}
}
err = runHTTPS("tcp", listenAddr, "Web", setting.CertFile, setting.KeyFile, m)
case setting.FCGI:
if handleRedirector {
NoHTTPRedirector()
}
err = runFCGI("tcp", listenAddr, "FCGI Web", m)
case setting.HTTPUnix:
if handleRedirector {
NoHTTPRedirector()
}
err = runHTTP("unix", listenAddr, "Web", m)
case setting.FCGIUnix:
if handleRedirector {
NoHTTPRedirector()
}
err = runFCGI("unix", listenAddr, "Web", m)
default:
log.Fatal("Invalid protocol: %s", setting.Protocol)
}
if err != nil {
log.Critical("Failed to start server: %v", err)
}
log.Info("HTTP Listener: %s Closed", listenAddr)
return err
}