// loadSettings function is responsable for lading the configuration parameters from a
// file. It will be used when the system starts for the first time and when it receives a
// SIGHUP signal
func loadSettings() error {
// TODO: Possible concurrent access problem while reloading the configuration file. And
// we also should reload many structures that could change with the new configuration
// files, like the network interfaces
if err := config.LoadConfig(configFilePath); err != nil {
return err
}
// Load languages to model. We don't do this in the configuration package, because we
// don't want to create a dependency between the model and the config taht could become
// a cross reference
for _, language := range config.ShelterConfig.Languages {
if err := model.AddLanguage(language); err != nil {
return err
}
}
return nil
}
func Run(configFilePath, sampleConfigFilePath, keysPath string) {
defer func() {
if r := recover(); r != nil {
log.Println(r)
}
}()
if _, err := os.Stat(configFilePath); os.IsNotExist(err) {
// Initialize configuration file
if err := config.LoadConfig(sampleConfigFilePath); err != nil {
log.Fatalln(err)
return
}
if !readEnabledModules() ||
!readDatabaseParameters() ||
!readRESTParameters(keysPath) ||
!readWebClientParameters(keysPath) ||
!readNotificationParameters() {
return
}
jsonConfig, err := json.MarshalIndent(config.ShelterConfig, " ", " ")
if err != nil {
log.Fatalln(err)
return
}
if err := ioutil.WriteFile(configFilePath, jsonConfig, 0664); err != nil {
log.Fatalln(err)
return
}
} else {
// Update current configuration file
}
cmd := exec.Command("initctl", "stop", "shelter")
cmd.Run() // We don't care about stop errors, because maybe the process wasn't there
cmd = exec.Command("initctl", "start", "shelter")
if err := cmd.Run(); err != nil {
log.Println("Error starting shelter. Details:", err)
}
fmt.Println("==========================================================================")
fmt.Printf("Edit advanced configurations on %s\n", configFilePath)
if webClientModule && len(config.ShelterConfig.WebClient.Listeners) > 0 {
ln := config.ShelterConfig.WebClient.Listeners[0]
url := ""
if ln.TLS {
url = fmt.Sprintf("https://%s:%d", ln.IP, ln.Port)
} else {
url = fmt.Sprintf("http://%s:%d", ln.IP, ln.Port)
}
fmt.Printf("Check the web client on %s\n", url)
}
fmt.Println("==========================================================================")
}