142 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			142 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
package main
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import (
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	"fmt"
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	"net/http"
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	"net/url"
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	"time"
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	"github.com/getsentry/sentry-go"
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	log "github.com/sirupsen/logrus"
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	"github.com/spf13/cobra"
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	"goauthentik.io/internal/common"
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	"goauthentik.io/internal/config"
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	"goauthentik.io/internal/constants"
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	"goauthentik.io/internal/debug"
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	"goauthentik.io/internal/gounicorn"
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	"goauthentik.io/internal/outpost/ak"
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	"goauthentik.io/internal/outpost/proxyv2"
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	sentryutils "goauthentik.io/internal/utils/sentry"
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	webutils "goauthentik.io/internal/utils/web"
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	"goauthentik.io/internal/web"
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	"goauthentik.io/internal/web/tenant_tls"
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)
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var running = true
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var rootCmd = &cobra.Command{
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	Use:     "authentik",
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	Short:   "Start authentik instance",
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	Version: constants.FullVersion(),
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	PersistentPreRun: func(cmd *cobra.Command, args []string) {
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		log.SetLevel(log.DebugLevel)
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		log.SetFormatter(&log.JSONFormatter{
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			FieldMap: log.FieldMap{
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				log.FieldKeyMsg:  "event",
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				log.FieldKeyTime: "timestamp",
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			},
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			DisableHTMLEscape: true,
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		})
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	},
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	Run: func(cmd *cobra.Command, args []string) {
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		debug.EnableDebugServer()
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		l := log.WithField("logger", "authentik.root")
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		if config.Get().ErrorReporting.Enabled {
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			err := sentry.Init(sentry.ClientOptions{
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				Dsn:              config.Get().ErrorReporting.SentryDSN,
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				AttachStacktrace: true,
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				EnableTracing:    true,
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				TracesSampler:    sentryutils.SamplerFunc(config.Get().ErrorReporting.SampleRate),
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				Release:          fmt.Sprintf("authentik@%s", constants.VERSION),
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				Environment:      config.Get().ErrorReporting.Environment,
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				HTTPTransport:    webutils.NewUserAgentTransport(constants.UserAgent(), http.DefaultTransport),
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				IgnoreErrors: []string{
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					http.ErrAbortHandler.Error(),
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				},
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			})
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			if err != nil {
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				l.WithError(err).Warning("failed to init sentry")
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			}
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		}
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		ex := common.Init()
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		defer common.Defer()
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		u, _ := url.Parse("http://localhost:8000")
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		g := gounicorn.New()
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		defer func() {
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			l.Info("shutting down gunicorn")
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			g.Kill()
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		}()
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		ws := web.NewWebServer(g)
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		g.HealthyCallback = func() {
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			if !config.Get().Outposts.DisableEmbeddedOutpost {
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				go attemptProxyStart(ws, u)
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			}
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		}
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		go web.RunMetricsServer()
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		go attemptStartBackend(g)
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		ws.Start()
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		<-ex
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		running = false
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		l.Info("shutting down webserver")
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		go ws.Shutdown()
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	},
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}
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func attemptStartBackend(g *gounicorn.GoUnicorn) {
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	for {
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		if !running {
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			return
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		}
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		err := g.Start()
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		log.WithField("logger", "authentik.router").WithError(err).Warning("gunicorn process died, restarting")
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	}
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}
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func attemptProxyStart(ws *web.WebServer, u *url.URL) {
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	maxTries := 100
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	attempt := 0
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	l := log.WithField("logger", "authentik.server")
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	for {
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		l.Debug("attempting to init outpost")
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		ac := ak.NewAPIController(*u, config.Get().SecretKey)
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		if ac == nil {
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			attempt += 1
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			time.Sleep(1 * time.Second)
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			if attempt > maxTries {
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				break
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			}
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			continue
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		}
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		// Init tenant_tls here too since it requires an API Client,
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		// so we just re-use the same one as the outpost uses
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		tw := tenant_tls.NewWatcher(ac.Client)
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		go tw.Start()
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		ws.TenantTLS = tw
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		ac.AddRefreshHandler(func() {
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			tw.Check()
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		})
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		srv := proxyv2.NewProxyServer(ac)
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		ws.ProxyServer = srv
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		ac.Server = srv
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		l.Debug("attempting to start outpost")
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		err := ac.StartBackgroundTasks()
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		if err != nil {
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			l.WithError(err).Warning("outpost failed to start")
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			attempt += 1
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			time.Sleep(15 * time.Second)
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			if attempt > maxTries {
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				break
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			}
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			continue
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		} else {
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			select {}
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		}
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	}
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}
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