X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=lib%2Fxdsconfig%2Ffileconfig.go;h=efe94bf0c06ddb58fc39c1355ae478ed9abac7be;hb=12a20d0905b0d3e7e0f4c9ec8ee619f683256d71;hp=1ad2ea36966b39ecd9193979a7508cd554a3d2b1;hpb=8d6d7494cf0f9c0f14b5082820082e85576a41da;p=src%2Fxds%2Fxds-agent.git

diff --git a/lib/xdsconfig/fileconfig.go b/lib/xdsconfig/fileconfig.go
index 1ad2ea3..efe94bf 100644
--- a/lib/xdsconfig/fileconfig.go
+++ b/lib/xdsconfig/fileconfig.go
@@ -27,7 +27,7 @@ type FileConfig struct {
 // getConfigFromFile reads configuration from a config file.
 // Order to determine which config file is used:
 //  1/ from command line option: "--config myConfig.json"
-//  2/ $HOME/.xds/agent-config.json file
+//  2/ $HOME/.xds/agent/agent-config.json file
 //  3/ <current_dir>/agent-config.json file
 //  4/ <executable dir>/agent-config.json file
 
@@ -38,16 +38,23 @@ func updateConfigFromFile(c *Config, confFile string) (*FileConfig, error) {
 		searchIn = append(searchIn, confFile)
 	}
 	if usr, err := user.Current(); err == nil {
-		searchIn = append(searchIn, path.Join(usr.HomeDir, ".xds", "agent-config.json"))
+		searchIn = append(searchIn, path.Join(usr.HomeDir, ".xds", "agent", "agent-config.json"))
 	}
-	cwd, err := os.Getwd()
-	if err == nil {
-		searchIn = append(searchIn, path.Join(cwd, "agent-config.json"))
-	}
-	exePath, err := filepath.Abs(filepath.Dir(os.Args[0]))
+
+	searchIn = append(searchIn, "/etc/xds-agent/agent-config.json")
+
+	exePath := os.Args[0]
+	ee, _ := os.Executable()
+	exeAbsPath, err := filepath.Abs(ee)
 	if err == nil {
-		searchIn = append(searchIn, path.Join(exePath, "agent-config.json"))
+		exePath, err = filepath.EvalSymlinks(exeAbsPath)
+		if err == nil {
+			exePath = filepath.Dir(ee)
+		} else {
+			exePath = filepath.Dir(exeAbsPath)
+		}
 	}
+	searchIn = append(searchIn, path.Join(exePath, "agent-config.json"))
 
 	var cFile *string
 	for _, p := range searchIn {
@@ -56,22 +63,22 @@ func updateConfigFromFile(c *Config, confFile string) (*FileConfig, error) {
 			break
 		}
 	}
-	fCfg := FileConfig{}
-	if cFile == nil {
-		// No config file found
-		return &fCfg, nil
-	}
+	// Use default settings
+	fCfg := *c.FileConf
 
-	c.Log.Infof("Use config file: %s", *cFile)
+	// Read config file when existing
+	if cFile != nil {
+		c.Log.Infof("Use config file: %s", *cFile)
 
-	// TODO move on viper package to support comments in JSON and also
-	// bind with flags (command line options)
-	// see https://github.com/spf13/viper#working-with-flags
+		// TODO move on viper package to support comments in JSON and also
+		// bind with flags (command line options)
+		// see https://github.com/spf13/viper#working-with-flags
 
-	fd, _ := os.Open(*cFile)
-	defer fd.Close()
-	if err := json.NewDecoder(fd).Decode(&fCfg); err != nil {
-		return nil, err
+		fd, _ := os.Open(*cFile)
+		defer fd.Close()
+		if err := json.NewDecoder(fd).Decode(&fCfg); err != nil {
+			return nil, err
+		}
 	}
 
 	// Support environment variables (IOW ${MY_ENV_VAR} syntax) in agent-config.json