Refactor configuration structure to replace DataConfig with instance-specific directories and auto-creation options

cmd/server/main.go

@@ -24,15 +24,16 @@ func main() {
 	}
 
 	// Create the data directory if it doesn't exist
-	if config.Data.AutoCreate {
+	if config.Instances.AutoCreateDirs {
-		if err := os.MkdirAll(config.Data.Directory, 0755); err != nil {
+		if err := os.MkdirAll(config.Instances.ConfigDir, 0755); err != nil {
-			fmt.Printf("Error creating data directory: %v\n", err)
+			fmt.Printf("Error creating config directory %s: %v\n", config.Instances.ConfigDir, err)
-			fmt.Println("Persisting data will not be possible.")
+			fmt.Println("Persistence will not be available.")
+		}
+
+		if err := os.MkdirAll(config.Instances.LogDir, 0755); err != nil {
+			fmt.Printf("Error creating log directory %s: %v\n", config.Instances.LogDir, err)
+			fmt.Println("Instance logs will not be available.")
 		}
-	}
-	if err := os.MkdirAll(config.Instances.LogDirectory, 0755); err != nil {
-		fmt.Printf("Error creating log directory: %v\n", err)
-		fmt.Println("Persisting instance logs will not be possible.")
 	}
 
 	// Initialize the instance manager

pkg/config.go

@@ -15,7 +15,6 @@ type Config struct {
 	Server    ServerConfig    `yaml:"server"`
 	Instances InstancesConfig `yaml:"instances"`
 	Auth      AuthConfig      `yaml:"auth"`
-	Data      DataConfig      `yaml:"data"`
 }
 
 // ServerConfig contains HTTP server configuration
@@ -33,22 +32,22 @@ type ServerConfig struct {
 	EnableSwagger bool `yaml:"enable_swagger"`
 }
 
-// DataConfig contains data storage configuration
-type DataConfig struct {
-	// Directory where all llamactl data will be stored (instances.json, logs, etc.)
-	Directory string `yaml:"directory"`
-
-	// Automatically create the data directory if it doesn't exist
-	AutoCreate bool `yaml:"auto_create"`
-}
-
 // InstancesConfig contains instance management configuration
 type InstancesConfig struct {
 	// Port range for instances (e.g., 8000,9000)
 	PortRange [2]int `yaml:"port_range"`
 
-	// Directory where instance logs will be stored
+	// Directory where all llamactl data will be stored (instances.json, logs, etc.)
-	LogDirectory string `yaml:"log_directory"`
+	DataDir string `yaml:"data_dir"`
+
+	// Instance config directory override
+	ConfigDir string `yaml:"config_dir"`
+
+	// Logs directory override
+	LogDir string `yaml:"logs_dir"`
+
+	// Automatically create the data directory if it doesn't exist
+	AutoCreateDirs bool `yaml:"auto_create_dirs"`
 
 	// Maximum number of instances that can be created
 	MaxInstances int `yaml:"max_instances"`
@@ -95,13 +94,12 @@ func LoadConfig(configPath string) (Config, error) {
 			AllowedOrigins: []string{"*"}, // Default to allow all origins
 			EnableSwagger:  false,
 		},
-		Data: DataConfig{
-			Directory:  getDefaultDataDirectory(),
-			AutoCreate: true,
-		},
 		Instances: InstancesConfig{
 			PortRange:           [2]int{8000, 9000},
-			LogDirectory:        filepath.Join(getDefaultDataDirectory(), "logs"),
+			DataDir:             getDefaultDataDirectory(),
+			ConfigDir:           filepath.Join(getDefaultDataDirectory(), "instances"),
+			LogDir:              filepath.Join(getDefaultDataDirectory(), "logs"),
+			AutoCreateDirs:      true,
 			MaxInstances:        -1, // -1 means unlimited
 			LlamaExecutable:     "llama-server",
 			DefaultAutoRestart:  true,
@@ -173,11 +171,17 @@ func loadEnvVars(cfg *Config) {
 
 	// Data config
 	if dataDir := os.Getenv("LLAMACTL_DATA_DIRECTORY"); dataDir != "" {
-		cfg.Data.Directory = dataDir
+		cfg.Instances.DataDir = dataDir
+	}
+	if instancesDir := os.Getenv("LLAMACTL_INSTANCES_DIRECTORY"); instancesDir != "" {
+		cfg.Instances.ConfigDir = instancesDir
+	}
+	if logsDir := os.Getenv("LLAMACTL_LOGS_DIRECTORY"); logsDir != "" {
+		cfg.Instances.LogDir = logsDir
 	}
 	if autoCreate := os.Getenv("LLAMACTL_AUTO_CREATE_DATA_DIR"); autoCreate != "" {
 		if b, err := strconv.ParseBool(autoCreate); err == nil {
-			cfg.Data.AutoCreate = b
+			cfg.Instances.AutoCreateDirs = b
 		}
 	}
 
@@ -187,9 +191,6 @@ func loadEnvVars(cfg *Config) {
 			cfg.Instances.PortRange = ports
 		}
 	}
-	if logDir := os.Getenv("LLAMACTL_LOG_DIR"); logDir != "" {
-		cfg.Instances.LogDirectory = logDir
-	}
 	if maxInstances := os.Getenv("LLAMACTL_MAX_INSTANCES"); maxInstances != "" {
 		if m, err := strconv.Atoi(maxInstances); err == nil {
 			cfg.Instances.MaxInstances = m

pkg/config_test.go

@@ -22,17 +22,17 @@ func TestLoadConfig_Defaults(t *testing.T) {
 	if cfg.Server.Port != 8080 {
 		t.Errorf("Expected default port to be 8080, got %d", cfg.Server.Port)
 	}
-	if cfg.Data.Directory != "/var/lib/llamactl" {
+	if cfg.Instances.ConfigDir != "/var/lib/llamactl/instances" {
-		t.Errorf("Expected default data directory '/var/lib/llamactl', got %q", cfg.Data.Directory)
+		t.Errorf("Expected default instances directory '/var/lib/llamactl/instances', got %q", cfg.Instances.ConfigDir)
 	}
-	if !cfg.Data.AutoCreate {
+	if !cfg.Instances.AutoCreateDirs {
-		t.Error("Expected default data auto-create to be true")
+		t.Error("Expected default instances auto-create to be true")
 	}
 	if cfg.Instances.PortRange != [2]int{8000, 9000} {
 		t.Errorf("Expected default port range [8000, 9000], got %v", cfg.Instances.PortRange)
 	}
-	if cfg.Instances.LogDirectory != "/tmp/llamactl" {
+	if cfg.Instances.LogDir != "/tmp/llamactl/logs" {
-		t.Errorf("Expected default log directory '/tmp/llamactl', got %q", cfg.Instances.LogDirectory)
+		t.Errorf("Expected default logs directory '/tmp/llamactl/logs', got %q", cfg.Instances.LogDir)
 	}
 	if cfg.Instances.MaxInstances != -1 {
 		t.Errorf("Expected default max instances -1, got %d", cfg.Instances.MaxInstances)
@@ -90,8 +90,8 @@ instances:
 	if cfg.Instances.PortRange != [2]int{7000, 8000} {
 		t.Errorf("Expected port range [7000, 8000], got %v", cfg.Instances.PortRange)
 	}
-	if cfg.Instances.LogDirectory != "/custom/logs" {
+	if cfg.Instances.LogDir != "/custom/logs" {
-		t.Errorf("Expected log directory '/custom/logs', got %q", cfg.Instances.LogDirectory)
+		t.Errorf("Expected logs directory '/custom/logs', got %q", cfg.Instances.LogDir)
 	}
 	if cfg.Instances.MaxInstances != 5 {
 		t.Errorf("Expected max instances 5, got %d", cfg.Instances.MaxInstances)
@@ -145,8 +145,8 @@ func TestLoadConfig_EnvironmentOverrides(t *testing.T) {
 	if cfg.Instances.PortRange != [2]int{5000, 6000} {
 		t.Errorf("Expected port range [5000, 6000], got %v", cfg.Instances.PortRange)
 	}
-	if cfg.Instances.LogDirectory != "/env/logs" {
+	if cfg.Instances.LogDir != "/env/logs" {
-		t.Errorf("Expected log directory '/env/logs', got %q", cfg.Instances.LogDirectory)
+		t.Errorf("Expected logs directory '/env/logs', got %q", cfg.Instances.LogDir)
 	}
 	if cfg.Instances.MaxInstances != 20 {
 		t.Errorf("Expected max instances 20, got %d", cfg.Instances.MaxInstances)

pkg/instance.go

@@ -149,7 +149,7 @@ func NewInstance(name string, globalSettings *InstancesConfig, options *CreateIn
 	// Apply defaults
 	applyDefaultOptions(optionsCopy, globalSettings)
 	// Create the instance logger
-	logger := NewInstanceLogger(name, globalSettings.LogDirectory)
+	logger := NewInstanceLogger(name, globalSettings.LogDir)
 
 	return &Instance{
 		Name:           name,

pkg/instance_test.go

@@ -9,7 +9,7 @@ import (
 
 func TestNewInstance(t *testing.T) {
 	globalSettings := &llamactl.InstancesConfig{
-		LogDirectory:        "/tmp/test",
+		LogDir:              "/tmp/test",
 		DefaultAutoRestart:  true,
 		DefaultMaxRestarts:  3,
 		DefaultRestartDelay: 5,
@@ -54,7 +54,7 @@ func TestNewInstance(t *testing.T) {
 
 func TestNewInstance_WithRestartOptions(t *testing.T) {
 	globalSettings := &llamactl.InstancesConfig{
-		LogDirectory:        "/tmp/test",
+		LogDir:              "/tmp/test",
 		DefaultAutoRestart:  true,
 		DefaultMaxRestarts:  3,
 		DefaultRestartDelay: 5,
@@ -91,7 +91,7 @@ func TestNewInstance_WithRestartOptions(t *testing.T) {
 
 func TestNewInstance_ValidationAndDefaults(t *testing.T) {
 	globalSettings := &llamactl.InstancesConfig{
-		LogDirectory:        "/tmp/test",
+		LogDir:              "/tmp/test",
 		DefaultAutoRestart:  true,
 		DefaultMaxRestarts:  3,
 		DefaultRestartDelay: 5,
@@ -123,7 +123,7 @@ func TestNewInstance_ValidationAndDefaults(t *testing.T) {
 
 func TestSetOptions(t *testing.T) {
 	globalSettings := &llamactl.InstancesConfig{
-		LogDirectory:        "/tmp/test",
+		LogDir:              "/tmp/test",
 		DefaultAutoRestart:  true,
 		DefaultMaxRestarts:  3,
 		DefaultRestartDelay: 5,
@@ -164,7 +164,7 @@ func TestSetOptions(t *testing.T) {
 
 func TestSetOptions_NilOptions(t *testing.T) {
 	globalSettings := &llamactl.InstancesConfig{
-		LogDirectory:        "/tmp/test",
+		LogDir:              "/tmp/test",
 		DefaultAutoRestart:  true,
 		DefaultMaxRestarts:  3,
 		DefaultRestartDelay: 5,
@@ -191,7 +191,7 @@ func TestSetOptions_NilOptions(t *testing.T) {
 
 func TestGetProxy(t *testing.T) {
 	globalSettings := &llamactl.InstancesConfig{
-		LogDirectory: "/tmp/test",
+		LogDir: "/tmp/test",
 	}
 
 	options := &llamactl.CreateInstanceOptions{
@@ -224,7 +224,7 @@ func TestGetProxy(t *testing.T) {
 
 func TestMarshalJSON(t *testing.T) {
 	globalSettings := &llamactl.InstancesConfig{
-		LogDirectory:        "/tmp/test",
+		LogDir:              "/tmp/test",
 		DefaultAutoRestart:  true,
 		DefaultMaxRestarts:  3,
 		DefaultRestartDelay: 5,
@@ -406,7 +406,7 @@ func TestCreateInstanceOptionsValidation(t *testing.T) {
 	}
 
 	globalSettings := &llamactl.InstancesConfig{
-		LogDirectory: "/tmp/test",
+		LogDir: "/tmp/test",
 	}
 
 	for _, tt := range tests {

pkg/manager_test.go

@@ -10,7 +10,7 @@ import (
 func TestNewInstanceManager(t *testing.T) {
 	config := llamactl.InstancesConfig{
 		PortRange:           [2]int{8000, 9000},
-		LogDirectory:        "/tmp/test",
+		LogDir:              "/tmp/test",
 		MaxInstances:        5,
 		LlamaExecutable:     "llama-server",
 		DefaultAutoRestart:  true,
@@ -490,7 +490,7 @@ func TestUpdateInstance_NotFound(t *testing.T) {
 func createTestManager() llamactl.InstanceManager {
 	config := llamactl.InstancesConfig{
 		PortRange:           [2]int{8000, 9000},
-		LogDirectory:        "/tmp/test",
+		LogDir:              "/tmp/test",
 		MaxInstances:        10,
 		LlamaExecutable:     "llama-server",
 		DefaultAutoRestart:  true,