BAMS initial project structure

backend/internal/config/config.go

@@ -0,0 +1,61 @@
+package config
+
+import (
+	"fmt"
+	"os"
+	"strconv"
+
+	"gopkg.in/yaml.v3"
+)
+
+type Config struct {
+	Port         int            `yaml:"port"`
+	LogLevel     string         `yaml:"log_level"`
+	DataDir      string         `yaml:"data_dir"`
+	SCSTConfig   string         `yaml:"scst_config"`
+	BaculaConfig string         `yaml:"bacula_config"`
+	Security     SecurityConfig `yaml:"security"`
+}
+
+type SecurityConfig struct {
+	RequireHTTPS bool     `yaml:"require_https"`
+	AllowedUsers []string `yaml:"allowed_users"`
+}
+
+func Load() (*Config, error) {
+	cfg := &Config{
+		Port:         8080,
+		LogLevel:     "info",
+		DataDir:      "/var/lib/bams",
+		SCSTConfig:   "/etc/scst.conf",
+		BaculaConfig: "/etc/bacula/bacula-sd.conf",
+		Security: SecurityConfig{
+			RequireHTTPS: false,
+			AllowedUsers: []string{},
+		},
+	}
+
+	// Load from environment or config file
+	if configPath := os.Getenv("BAMS_CONFIG"); configPath != "" {
+		data, err := os.ReadFile(configPath)
+		if err != nil {
+			return nil, fmt.Errorf("failed to read config file: %w", err)
+		}
+		if err := yaml.Unmarshal(data, cfg); err != nil {
+			return nil, fmt.Errorf("failed to parse config file: %w", err)
+		}
+	}
+
+	// Override with environment variables
+	if portStr := os.Getenv("BAMS_PORT"); portStr != "" {
+		if port, err := strconv.Atoi(portStr); err == nil {
+			cfg.Port = port
+		}
+	}
+
+	if logLevel := os.Getenv("BAMS_LOG_LEVEL"); logLevel != "" {
+		cfg.LogLevel = logLevel
+	}
+
+	return cfg, nil
+}