Server/cmd/lucifer4-server/main.go

package main

import (
	lucifer3 "git.aiterp.net/lucifer3/server"
	"git.aiterp.net/lucifer3/server/events"
	"git.aiterp.net/lucifer3/server/services"
	"git.aiterp.net/lucifer3/server/services/httpapiv1"
	"git.aiterp.net/lucifer3/server/services/hue"
	"git.aiterp.net/lucifer3/server/services/mysqldb"
	"git.aiterp.net/lucifer3/server/services/nanoleaf"
	"git.aiterp.net/lucifer3/server/services/uistate"
	"log"
	"os"
	"os/signal"
	"strconv"
	"syscall"
)

func main() {
	bus := lucifer3.EventBus{}

	resolver := services.NewResolver()
	sceneMap := services.NewSceneMap(resolver)

	database, err := mysqldb.Connect(
		env("LUCIFER4_DB_HOST"),
		envInt("LUCIFER4_DB_PORT"),
		env("LUCIFER4_DB_USER"),
		env("LUCIFER4_DB_PASSWORD"),
		env("LUCIFER4_DB_SCHEMA"),
	)
	if err != nil {
		log.Fatalln("Database failed", err)
	}

	httpAPI, err := httpapiv1.New(env("LUCIFER4_HTTP_LISTEN"))
	if err != nil {
		log.Fatalln("HTTP Listen failed", err)
	}

	bus.JoinPrivileged(resolver)
	bus.JoinPrivileged(sceneMap)
	bus.Join(services.NewEffectEnforcer(resolver, sceneMap))
	bus.Join(nanoleaf.NewService())
	bus.Join(hue.NewService())
	bus.Join(uistate.NewService())
	bus.Join(database)
	bus.Join(httpAPI)

	bus.RunEvent(events.Started{})

	exitSignal := make(chan os.Signal)
	signal.Notify(exitSignal, os.Interrupt, os.Kill, syscall.SIGTERM)
	sig := <-exitSignal
	log.Println("Received signal", sig)
}

func env(key string) string {
	value := os.Getenv(key)
	if value == "" {
		log.Fatalln("Expected env:", key)
	}

	return value
}

func envInt(key string) int {
	value, err := strconv.Atoi(os.Getenv(key))
	if err != nil {
		log.Fatalln("Expected numeric env:", key)
	}

	return value
}