Added api to list and reconnect a XDS-Server.

[src/xds/xds-agent.git] / lib / xdsconfig / configfile.go

diff --git a/lib/xdsconfig/configfile.go b/lib/xdsconfig/configfile.go
index c252073..009517f 100644 (file)
--- a/lib/xdsconfig/configfile.go
+++ b/lib/xdsconfig/configfile.go
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 "IoT.bzh"
+ * Copyright (C) 2017-2018 "IoT.bzh"
  * Author Sebastien Douheret <sebastien@iot.bzh>
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -22,7 +22,7 @@ import (
        "os"
        "path"
 
-       common "github.com/iotbzh/xds-common/golib"
+       common "gerrit.automotivelinux.org/gerrit/src/xds/xds-common.git/golib"
 )
 
 type SyncThingConf struct {
@@ -38,6 +38,7 @@ type XDSServerConf struct {
 
        // private/not exported fields
        ID            string `json:"-"`
+       URLIndex      string `json:"-"`
        APIBaseURL    string `json:"-"`
        APIPartialURL string `json:"-"`
 }
@@ -59,6 +60,9 @@ type FileConfig struct {
 
 func readGlobalConfig(c *Config, confFile string) error {
 
+       var fd *os.File
+       var fCfg = FileConfig{}
+
        searchIn := make([]string, 0, 3)
        if confFile != "" {
                searchIn = append(searchIn, confFile)
@@ -78,7 +82,8 @@ func readGlobalConfig(c *Config, confFile string) error {
        }
        if cFile == nil {
                c.Log.Infof("No config file found")
-               return nil
+               // always resolved env vars even if no config file found!
+               goto resVars
        }
 
        c.Log.Infof("Use config file: %s", *cFile)
@@ -87,11 +92,14 @@ func readGlobalConfig(c *Config, confFile string) error {
        // bind with flags (command line options)
        // see https://github.com/spf13/viper#working-with-flags
 
-       fd, _ := os.Open(*cFile)
-       defer fd.Close()
+       fd, _ = os.Open(*cFile)
+       defer func() {
+               if fd != nil {
+                       fd.Close()
+               }
+       }()
 
        // Decode config file content and save it in a first variable
-       fCfg := FileConfig{}
        if err := json.NewDecoder(fd).Decode(&fCfg); err != nil {
                return err
        }
@@ -106,6 +114,7 @@ func readGlobalConfig(c *Config, confFile string) error {
        }
 
        // Support environment variables (IOW ${MY_ENV_VAR} syntax) in agent-config.json
+resVars:
        vars := []*string{
                &c.FileConf.LogsDir,
                &c.FileConf.WebAppDir,