feat: publish standalone worker

Separate worker packaging and service lifecycle from the control plane.

config/credis/redis.go

@@ -0,0 +1,69 @@
+// Package credis provides functionality.
+package credis
+
+import (
+	"context"
+	"log"
+	"os"
+	"strconv"
+
+	"github.com/go-redis/redis/v8"
+	"github.com/gorilla/sessions"
+	"github.com/rbcervilla/redisstore/v8"
+
+	_ "rsgit.ru/rsmon/rsmon/config/env" // Import to ensure .env is loaded before reading env vars
+)
+
+// Redis provides functionality.
+var Redis *redis.Client
+
+// Store provides functionality.
+var Store *redisstore.RedisStore
+
+func envOrDefault(key, defaultVal string) string {
+	if v := os.Getenv(key); v != "" {
+		return v
+	}
+	return defaultVal
+}
+
+// Init provides functionality.
+func Init() {
+	host := envOrDefault("REDIS_HOST", "localhost")
+	portStr := envOrDefault("REDIS_PORT", "6379")
+	password := os.Getenv("REDIS_PASSWORD")
+	dbStr := envOrDefault("REDIS_DATABASE", "0")
+
+	port, _ := strconv.Atoi(portStr)
+	database, _ := strconv.Atoi(dbStr)
+
+	options := redis.Options{
+		Addr: host + ":" + strconv.Itoa(port),
+		DB:   database,
+	}
+	if password != "" {
+		options.Password = password
+	}
+	Redis = redis.NewClient(&options)
+
+	isTest := os.Getenv("RSMON_ENV") == "test" || os.Getenv("GO_ENV") == "test" || os.Getenv("CI") == "true"
+
+	var err error
+	Store, err = redisstore.NewRedisStore(context.Background(), Redis)
+	if err != nil {
+		if isTest {
+			log.Println("Warning: Redis not available in test mode, sessions will not work")
+			Store = nil
+			return
+		}
+		log.Fatal("failed to create redis store: ", err)
+	}
+
+	Store.KeyPrefix("session_")
+	Store.Options(sessions.Options{
+		Path:   "/",
+		MaxAge: 86400 * 60,
+	})
+
+	log.Printf("Redis connected: %s:%d db=%d", host, port, database)
+}