func()

in config/configelasticsearch/configclient.go [167:202]

• 33 lines of code
• 9 McCabe index (conditional complexity)

func (cfg *ClientConfig) endpoints() ([]string, error) {
	// Exactly one of endpoint, endpoints, or cloudid must be configured.
	// If none are set, then $ELASTICSEARCH_URL may be specified instead.
	var endpoints []string
	var numEndpointConfigs int

	if cfg.Endpoint != "" {
		numEndpointConfigs++
		endpoints = []string{cfg.Endpoint}
	}
	if len(cfg.Endpoints) > 0 {
		numEndpointConfigs++
		endpoints = cfg.Endpoints
	}
	if cfg.CloudID != "" {
		numEndpointConfigs++
		u, err := parseCloudID(cfg.CloudID)
		if err != nil {
			return nil, err
		}
		endpoints = []string{u.String()}
	}
	if numEndpointConfigs == 0 {
		if v := os.Getenv(defaultElasticsearchEnvName); v != "" {
			numEndpointConfigs++
			endpoints = strings.Split(v, ",")
			for i, endpoint := range endpoints {
				endpoints[i] = strings.TrimSpace(endpoint)
			}
		}
	}
	if numEndpointConfigs != 1 {
		return nil, errConfigEndpointRequired
	}
	return endpoints, nil
}