Refactor hub initialization and error handling

This commit is contained in:
henrygd
2025-03-15 00:25:42 -04:00
parent c38d04b34b
commit 5837b4f25c
3 changed files with 62 additions and 53 deletions

View File

@@ -5,6 +5,7 @@ import (
"beszel/internal/hub"
_ "beszel/migrations"
"fmt"
"log"
"net/http"
"os"
"time"
@@ -27,8 +28,9 @@ func main() {
baseApp := getBaseApp()
h := hub.NewHub(baseApp)
h.BootstrapHub()
h.Start()
if err := h.StartHub(); err != nil {
log.Fatal(err)
}
}
// getBaseApp creates a new PocketBase app with the default config

View File

@@ -6,7 +6,6 @@ import (
"log"
"os"
"path/filepath"
"strconv"
"github.com/pocketbase/dbx"
"github.com/pocketbase/pocketbase/apis"
@@ -27,7 +26,8 @@ type SystemConfig struct {
}
// Syncs systems with the config.yml file
func (h *Hub) syncSystemsWithConfig() error {
func syncSystemsWithConfig(e *core.ServeEvent) error {
h := e.App
configPath := filepath.Join(h.DataDir(), "config.yml")
configData, err := os.ReadFile(configPath)
if err != nil {
@@ -89,16 +89,16 @@ func (h *Hub) syncSystemsWithConfig() error {
return err
}
// Create a map of existing systems for easy lookup
// Create a map of existing systems
existingSystemsMap := make(map[string]*core.Record)
for _, system := range existingSystems {
key := system.GetString("host") + ":" + system.GetString("port")
key := system.GetString("name") + system.GetString("host") + system.GetString("port")
existingSystemsMap[key] = system
}
// Process systems from config
for _, sysConfig := range config.Systems {
key := sysConfig.Host + ":" + strconv.Itoa(int(sysConfig.Port))
key := sysConfig.Name + sysConfig.Host + cast.ToString(sysConfig.Port)
if existingSystem, ok := existingSystemsMap[key]; ok {
// Update existing system
existingSystem.Set("name", sysConfig.Name)

View File

@@ -10,7 +10,6 @@ import (
"beszel/site"
"crypto/ed25519"
"encoding/pem"
"fmt"
"io/fs"
"net/http"
"net/http/httputil"
@@ -56,42 +55,56 @@ func GetEnv(key string) (value string, exists bool) {
return os.LookupEnv(key)
}
func (h *Hub) BootstrapHub() (*Hub, error) {
if !h.App.IsBootstrapped() {
err := h.App.Bootstrap()
func (h *Hub) StartHub() error {
h.App.OnServe().BindFunc(func(e *core.ServeEvent) error {
// initialize settings / collections
if err := h.initialize(e); err != nil {
return err
}
// sync systems with config
if err := syncSystemsWithConfig(e); err != nil {
return err
}
// register api routes
if err := h.registerApiRoutes(e); err != nil {
return err
}
// register cron jobs
if err := h.registerCronJobs(e); err != nil {
return err
}
// start server
if err := h.startServer(e); err != nil {
return err
}
// start system updates
if err := h.sm.Initialize(); err != nil {
return err
}
return e.Next()
})
// TODO: move to users package
// handle default values for user / user_settings creation
h.App.OnRecordCreate("users").BindFunc(h.um.InitializeUserRole)
h.App.OnRecordCreate("user_settings").BindFunc(h.um.InitializeUserSettings)
if pb, ok := h.App.(*pocketbase.PocketBase); ok {
// log.Println("Starting pocketbase")
err := pb.Start()
if err != nil {
return nil, err
return err
}
}
// serve web ui
h.OnServe().BindFunc(h.startServer)
// set up scheduled jobs
h.OnServe().BindFunc(h.registerCronJobs)
// custom api routes
h.OnServe().BindFunc(h.registerApiRoutes)
// TODO: move to users package
// handle default values for user / user_settings creation
h.OnRecordCreate("users").BindFunc(h.um.InitializeUserRole)
h.OnRecordCreate("user_settings").BindFunc(h.um.InitializeUserSettings)
// sync systems with config
h.syncSystemsWithConfig()
// start system updates
h.sm.Initialize()
// initial setup
if err := h.initialize(); err != nil {
return nil, err
}
return h, nil
return nil
}
// initialize sets up initial configuration (collections, settings, etc.)
func (h *Hub) initialize() error {
func (h *Hub) initialize(e *core.ServeEvent) error {
// set general settings
settings := h.Settings()
settings := e.App.Settings()
// batch requests (for global alerts)
settings.Batch.Enabled = true
// set URL if BASE_URL env is set
@@ -99,7 +112,7 @@ func (h *Hub) initialize() error {
settings.Meta.AppURL = h.appURL
}
// set auth settings
usersCollection, err := h.FindCollectionByNameOrId("users")
usersCollection, err := e.App.FindCollectionByNameOrId("users")
if err != nil {
return err
}
@@ -118,11 +131,11 @@ func (h *Hub) initialize() error {
} else {
usersCollection.CreateRule = nil
}
if err := h.Save(usersCollection); err != nil {
if err := e.App.Save(usersCollection); err != nil {
return err
}
// allow all users to access systems if SHARE_ALL_SYSTEMS is set
systemsCollection, err := h.FindCachedCollectionByNameOrId("systems")
systemsCollection, err := e.App.FindCachedCollectionByNameOrId("systems")
if err != nil {
return err
}
@@ -137,21 +150,15 @@ func (h *Hub) initialize() error {
systemsCollection.ViewRule = &systemsReadRule
systemsCollection.UpdateRule = &updateDeleteRule
systemsCollection.DeleteRule = &updateDeleteRule
if err := h.Save(systemsCollection); err != nil {
if err := e.App.Save(systemsCollection); err != nil {
return err
}
return nil
}
// Start starts the hub application / server
func (h *Hub) Start() error {
if pb, ok := h.App.(*pocketbase.PocketBase); ok {
return pb.Start()
}
return fmt.Errorf("unable to start: App is not *pocketbase.PocketBase")
}
// startServer starts the server for the Beszel (not PocketBase)
func (h *Hub) startServer(se *core.ServeEvent) error {
// TODO: exclude dev server from production binary
switch h.IsDev() {
case true:
proxy := httputil.NewSingleHostReverseProxy(&url.URL{
@@ -194,16 +201,16 @@ func (h *Hub) startServer(se *core.ServeEvent) error {
return e.HTML(http.StatusOK, indexContent)
})
}
return se.Next()
return nil
}
// registerCronJobs sets up all scheduled tasks
func (h *Hub) registerCronJobs(se *core.ServeEvent) error {
// registerCronJobs sets up scheduled tasks
func (h *Hub) registerCronJobs(_ *core.ServeEvent) error {
// delete old records once every hour
h.Cron().MustAdd("delete old records", "8 * * * *", h.rm.DeleteOldRecords)
// create longer records every 10 minutes
h.Cron().MustAdd("create longer records", "*/10 * * * *", h.rm.CreateLongerRecords)
return se.Next()
return nil
}
// custom api routes
@@ -229,7 +236,7 @@ func (h *Hub) registerApiRoutes(se *core.ServeEvent) error {
if totalUsers, _ := h.CountRecords("users"); totalUsers == 0 {
se.Router.POST("/api/beszel/create-user", h.um.CreateFirstUser)
}
return se.Next()
return nil
}
// generates key pair if it doesn't exist and returns private key bytes