outposts: remove duplicate startup/setup code, add pyroscope, make sentry not reconfigure every time (#14724)

Signed-off-by: Jens Langhammer <jens@goauthentik.io>

internal/outpost/ak/entrypoint/entrypoint.go

@@ -0,0 +1,51 @@
+package entrypoint
+
+import (
+	"errors"
+	"net/url"
+	"os"
+
+	"goauthentik.io/internal/common"
+	"goauthentik.io/internal/config"
+	"goauthentik.io/internal/debug"
+	"goauthentik.io/internal/outpost/ak"
+)
+
+func OutpostMain(appName string, server func(ac *ak.APIController) ak.Outpost) error {
+	debug.EnableDebugServer(appName)
+	akURL := config.Get().AuthentikHost
+	if akURL == "" {
+		return errors.New("environment variable `AUTHENTIK_HOST` not set")
+	}
+	akToken := config.Get().AuthentikToken
+	if akToken == "" {
+		return errors.New("environment variable `AUTHENTIK_TOKEN` not set")
+	}
+
+	akURLActual, err := url.Parse(akURL)
+	if err != nil {
+		return err
+	}
+
+	ex := common.Init()
+	defer common.Defer()
+
+	ac := ak.NewAPIController(*akURLActual, akToken)
+	if ac == nil {
+		os.Exit(1)
+	}
+	defer ac.Shutdown()
+
+	ac.Server = server(ac)
+
+	err = ac.Start()
+	if err != nil {
+		ac.Log().WithError(err).Panic("Failed to run server")
+		return err
+	}
+
+	for {
+		<-ex
+		return nil
+	}
+}