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)
}
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)
// 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
}
}
// Support environment variables (IOW ${MY_ENV_VAR} syntax) in agent-config.json
+resVars:
vars := []*string{
&c.FileConf.LogsDir,
&c.FileConf.WebAppDir,