Files
yovision/Bell/server/cmd/bell/root.go
T

107 lines
3.5 KiB
Go

package bell
import (
"context"
"errors"
"fmt"
"log/slog"
"net/http"
"os"
"os/signal"
"strings"
"syscall"
"time"
alertLifecycle "git.ilapage.cn/ila/yovision/Bell/server/app/alert/lifecycle"
alertQuery "git.ilapage.cn/ila/yovision/Bell/server/app/alert/query"
"git.ilapage.cn/ila/yovision/Bell/server/app/audit"
"git.ilapage.cn/ila/yovision/Bell/server/app/auth"
"git.ilapage.cn/ila/yovision/Bell/server/app/event"
"git.ilapage.cn/ila/yovision/Bell/server/app/rule"
"git.ilapage.cn/ila/yovision/Bell/server/app/synthetic"
"git.ilapage.cn/ila/yovision/Bell/server/config"
"git.ilapage.cn/ila/yovision/Bell/server/internal/platform"
"git.ilapage.cn/ila/yovision/Bell/server/migrations"
)
const Version = "0.1.0"
func Run(ctx context.Context, args []string) error {
command := "serve"
if len(args) > 0 {
command = args[0]
}
if command == "version" {
fmt.Println(Version)
return nil
}
if command != "serve" && command != "migrate" && command != "create-admin" {
return fmt.Errorf("unknown command %q (use serve, migrate, create-admin, or version)", command)
}
cfg, err := config.Load()
if err != nil {
return err
}
db, err := platform.OpenDatabase(ctx, cfg.DatabaseURL)
if err != nil {
return err
}
defer db.Close()
if err := migrations.Apply(ctx, db); err != nil {
return err
}
if command == "migrate" {
return nil
}
auditStore := audit.Store{DB: db}
authStore := auth.Store{DB: db}
authService := auth.Service{Store: authStore, Audit: auditStore, Secret: []byte(cfg.SessionSecret), SessionTTL: 8 * time.Hour}
if command == "create-admin" {
username, displayName := argument(args, "--username"), argument(args, "--display-name")
password := os.Getenv("BELL_BOOTSTRAP_PASSWORD")
if displayName == "" {
displayName = username
}
if password == "" {
return fmt.Errorf("BELL_BOOTSTRAP_PASSWORD is required for create-admin")
}
return authService.BootstrapAdministrator(ctx, username, displayName, password)
}
app := platform.NewHTTPApp(db)
authHTTP := auth.HTTP{Service: authService, Store: authStore, Audit: auditStore, SecureCookie: cfg.CookieSecure}
authHTTP.Register(app.Router())
ruleService := rule.Service{DB: db}
eventService := event.Service{DB: db, AfterPersist: ruleService.Match}
event.HTTP{Service: eventService, Auth: authHTTP}.Register(app.Router())
rule.HTTP{Service: ruleService, Auth: authHTTP, Audit: auditStore}.Register(app.Router())
alertQueryService := alertQuery.Service{DB: db}
alertQuery.HTTP{Service: alertQueryService, Auth: authHTTP}.Register(app.Router())
alertLifecycle.HTTP{Service: alertLifecycle.Service{DB: db, Audit: auditStore, Query: alertQueryService}, Auth: authHTTP}.Register(app.Router())
if cfg.Environment == "development" || cfg.Environment == "test" {
synthetic.HTTP{Service: synthetic.Service{Events: eventService}, Auth: authHTTP}.Register(app.Router())
}
server := &http.Server{Addr: cfg.HTTPAddress, Handler: app.Handler()}
serverCtx, stop := signal.NotifyContext(ctx, os.Interrupt, syscall.SIGTERM)
defer stop()
go func() {
<-serverCtx.Done()
shutdownCtx, cancel := context.WithTimeout(context.Background(), cfg.ShutdownTimeout)
defer cancel()
_ = server.Shutdown(shutdownCtx)
}()
slog.Info("Bell listening", "address", cfg.HTTPAddress, "environment", cfg.Environment)
if err := server.ListenAndServe(); !errors.Is(err, http.ErrServerClosed) {
return err
}
return nil
}
func argument(args []string, name string) string {
for i := 1; i < len(args)-1; i++ {
if strings.EqualFold(args[i], name) {
return args[i+1]
}
}
return ""
}