2 files changed, 32 insertions, 30 deletions

diff --git a/lib/xdsconfig/config.go b/lib/xdsconfig/config.go
index 465620b..5ada35f 100644
--- a/lib/xdsconfig/config.go
+++ b/lib/xdsconfig/config.go
@@ -19,11 +19,8 @@ type Config struct {
 	Folders       FoldersConfig `json:"folders"`
 
 	// Private (un-exported fields in REST GET /config route)
-	FileConf     FileConfig     `json:"-"`
-	WebAppDir    string         `json:"-"`
-	HTTPPort     string         `json:"-"`
-	ShareRootDir string         `json:"-"`
-	Log          *logrus.Logger `json:"-"`
+	FileConf FileConfig     `json:"-"`
+	Log      *logrus.Logger `json:"-"`
 }
 
 // Config default values
@@ -31,6 +28,7 @@ const (
 	DefaultAPIVersion = "1"
 	DefaultPort       = "8000"
 	DefaultShareDir   = "/mnt/share"
+	DefaultSdkRootDir = "/xdt/sdk"
 )
 
 // Init loads the configuration on start-up
@@ -44,11 +42,13 @@ func Init(cliCtx *cli.Context, log *logrus.Logger) (*Config, error) {
 		VersionGitTag: cliCtx.App.Metadata["git-tag"].(string),
 		Builder:       BuilderConfig{},
 		Folders:       FoldersConfig{},
-
-		WebAppDir:    "webapp/dist",
-		HTTPPort:     DefaultPort,
-		ShareRootDir: DefaultShareDir,
-		Log:          log,
+		FileConf: FileConfig{
+			WebAppDir:    "webapp/dist",
+			ShareRootDir: DefaultShareDir,
+			SdkRootDir:   DefaultSdkRootDir,
+			HTTPPort:     DefaultPort,
+		},
+		Log: log,
 	}
 
 	// config file settings overwrite default config
@@ -58,12 +58,12 @@ func Init(cliCtx *cli.Context, log *logrus.Logger) (*Config, error) {
 	}
 
 	// Update location of shared dir if needed
-	if !common.Exists(c.ShareRootDir) {
-		if err := os.MkdirAll(c.ShareRootDir, 0770); err != nil {
+	if !common.Exists(c.FileConf.ShareRootDir) {
+		if err := os.MkdirAll(c.FileConf.ShareRootDir, 0770); err != nil {
 			return nil, fmt.Errorf("No valid shared directory found: %v", err)
 		}
 	}
-	c.Log.Infoln("Share root directory: ", c.ShareRootDir)
+	c.Log.Infoln("Share root directory: ", c.FileConf.ShareRootDir)
 
 	if c.FileConf.LogsDir != "" && !common.Exists(c.FileConf.LogsDir) {
 		if err := os.MkdirAll(c.FileConf.LogsDir, 0770); err != nil {
diff --git a/lib/xdsconfig/fileconfig.go b/lib/xdsconfig/fileconfig.go
index 01bd4c9..99e5382 100644
--- a/lib/xdsconfig/fileconfig.go
+++ b/lib/xdsconfig/fileconfig.go
@@ -77,7 +77,6 @@ func updateConfigFromFile(c *Config, confFile string) error {
 	if err := json.NewDecoder(fd).Decode(&fCfg); err != nil {
 		return err
 	}
-	c.FileConf = fCfg
 
 	// Support environment variables (IOW ${MY_ENV_VAR} syntax) in config.json
 	for _, field := range []*string{
@@ -94,30 +93,33 @@ func updateConfigFromFile(c *Config, confFile string) error {
 		}
 	}
 
-	// Config file settings overwrite default config
-
-	if fCfg.WebAppDir != "" {
-		c.WebAppDir = strings.Trim(fCfg.WebAppDir, " ")
+	// Use config file settings else use default config
+	if fCfg.WebAppDir == "" {
+		fCfg.WebAppDir = c.FileConf.WebAppDir
+	}
+	if fCfg.ShareRootDir == "" {
+		fCfg.ShareRootDir = c.FileConf.ShareRootDir
 	}
-	// Is it a full path ?
-	if !strings.HasPrefix(c.WebAppDir, "/") && exePath != "" {
+	if fCfg.SdkRootDir == "" {
+		fCfg.SdkRootDir = c.FileConf.SdkRootDir
+	}
+	if fCfg.HTTPPort == "" {
+		fCfg.HTTPPort = c.FileConf.HTTPPort
+	}
+
+	// Resolve webapp dir (support relative or full path)
+	fCfg.WebAppDir = strings.Trim(fCfg.WebAppDir, " ")
+	if !strings.HasPrefix(fCfg.WebAppDir, "/") && exePath != "" {
 		// Check first from current directory
 		for _, rootD := range []string{cwd, exePath} {
-			ff := path.Join(rootD, c.WebAppDir, "index.html")
+			ff := path.Join(rootD, fCfg.WebAppDir, "index.html")
 			if common.Exists(ff) {
-				c.WebAppDir = path.Join(rootD, c.WebAppDir)
+				fCfg.WebAppDir = path.Join(rootD, fCfg.WebAppDir)
 				break
 			}
 		}
 	}
 
-	if fCfg.ShareRootDir != "" {
-		c.ShareRootDir = fCfg.ShareRootDir
-	}
-
-	if fCfg.HTTPPort != "" {
-		c.HTTPPort = fCfg.HTTPPort
-	}
-
+	c.FileConf = fCfg
 	return nil
 }