Beispiel #1
0
// Reads a ServerConfig from a JSON file.
func ReadServerConfigFromFile(path string) (*ServerConfig, error) {

	file, err := os.Open(path)
	if err != nil {
		return nil, err
	}
	defer file.Close()

	data, err := ioutil.ReadAll(file)
	if err != nil {
		return nil, err
	}
	data = base.ConvertBackQuotedStrings(data)
	var config *ServerConfig
	if err := json.Unmarshal(data, &config); err != nil {
		return nil, err
	}

	// Validation:
	if err := config.setupAndValidateDatabases(); err != nil {
		return nil, err
	}
	return config, nil

}
Beispiel #2
0
// Reads a ServerConfig from raw data
func ReadServerConfigFromData(data []byte) (*ServerConfig, error) {

	data = base.ConvertBackQuotedStrings(data)
	var config *ServerConfig
	if err := json.Unmarshal(data, &config); err != nil {
		return nil, err
	}

	// Validation:
	for name, dbConfig := range config.Databases {
		dbConfig.setup(name)
	}
	return config, nil
}
Beispiel #3
0
// Reads a ServerConfig from raw data
func ReadServerConfigFromData(data []byte) (*ServerConfig, error) {

	data = base.ConvertBackQuotedStrings(data)
	var config *ServerConfig
	if err := json.Unmarshal(data, &config); err != nil {
		return nil, err
	}

	// Validation:
	if err := config.setupAndValidateDatabases(); err != nil {
		return nil, err
	}

	return config, nil
}
// Fetch a configuration for a database from the ConfigServer
func (sc *ServerContext) getDbConfigFromServer(dbName string) (*DbConfig, error) {
	if sc.config.ConfigServer == nil {
		return nil, base.HTTPErrorf(http.StatusNotFound, "not_found")
	}

	urlStr := *sc.config.ConfigServer
	if !strings.HasSuffix(urlStr, "/") {
		urlStr += "/"
	}
	urlStr += url.QueryEscape(dbName)
	res, err := sc.HTTPClient.Get(urlStr)
	if err != nil {
		return nil, base.HTTPErrorf(http.StatusBadGateway,
			"Error contacting config server: %v", err)
	} else if res.StatusCode >= 300 {
		return nil, base.HTTPErrorf(res.StatusCode, res.Status)
	}

	var config DbConfig

	var bodyBytes []byte
	defer res.Body.Close()
	if bodyBytes, err = ioutil.ReadAll(res.Body); err != nil {
		return nil, err
	}

	j := json.NewDecoder(bytes.NewReader(base.ConvertBackQuotedStrings(bodyBytes)))
	if err = j.Decode(&config); err != nil {
		return nil, base.HTTPErrorf(http.StatusBadGateway,
			"Bad response from config server: %v", err)
	}

	if err = config.setup(dbName); err != nil {
		return nil, err
	}
	return &config, nil
}