Initial commit

agent/jboard-agent/internal/config/config.go

@@ -0,0 +1,55 @@
+package config
+
+import (
+	"log"
+	"os"
+	"strconv"
+	"time"
+)
+
+type Config struct {
+	ServerURL string
+	AuthToken string
+
+	LatencyInterval time.Duration
+	TraceInterval   time.Duration
+}
+
+func Load() *Config {
+	cfg := &Config{
+		ServerURL:       envOrDefault("SERVER_URL", ""),
+		AuthToken:       envOrDefault("AUTH_TOKEN", ""),
+		LatencyInterval: envDuration("LATENCY_INTERVAL", 5*time.Minute),
+		TraceInterval:   envDuration("TRACE_INTERVAL", 30*time.Minute),
+	}
+
+	if cfg.ServerURL == "" || cfg.AuthToken == "" {
+		log.Fatal("[config] SERVER_URL and AUTH_TOKEN are required")
+	}
+
+	return cfg
+}
+
+func envOrDefault(key, fallback string) string {
+	if v := os.Getenv(key); v != "" {
+		return v
+	}
+	return fallback
+}
+
+func envDuration(key string, fallback time.Duration) time.Duration {
+	v := os.Getenv(key)
+	if v == "" {
+		return fallback
+	}
+
+	if d, err := time.ParseDuration(v); err == nil {
+		return d
+	}
+
+	if seconds, err := strconv.Atoi(v); err == nil && seconds > 0 {
+		return time.Duration(seconds) * time.Second
+	}
+
+	return fallback
+}