func NewClient()

in whisk/client.go [121:192]
61 lines of code
12 McCabe index (conditional complexity)

func NewClient(httpClient *http.Client, configInput *Config) (*Client, error) {

	var config *Config
	if configInput == nil {
		defaultConfig, err := GetDefaultConfig()
		if err != nil {
			return nil, err
		} else {
			config = defaultConfig
		}
	} else {
		config = configInput
	}

	if httpClient == nil {
		httpClient = &http.Client{
			Timeout: time.Second * DEFAULT_HTTP_TIMEOUT,
		}
	}

	var err error
	var errStr = ""
	if len(config.Host) == 0 {
		errStr = wski18n.T("Unable to create request URL, because OpenWhisk API host is missing")
	} else if config.BaseURL == nil {
		config.BaseURL, err = GetUrlBase(config.Host)
		if err != nil {
			Debug(DbgError, "Unable to create request URL, because the api host %s is invalid: %s\n", config.Host, err)
			errStr = wski18n.T("Unable to create request URL, because the api host '{{.host}}' is invalid: {{.err}}",
				map[string]interface{}{"host": config.Host, "err": err})
		}
	}

	if len(errStr) != 0 {
		werr := MakeWskError(errors.New(errStr), EXIT_CODE_ERR_GENERAL, DISPLAY_MSG, NO_DISPLAY_USAGE)
		return nil, werr
	}

	if len(config.Namespace) == 0 {
		config.Namespace = "_"
	}

	if len(config.Version) == 0 {
		config.Version = "v1"
	}

	if len(config.UserAgent) == 0 {
		config.UserAgent = "OpenWhisk-Go-Client " + runtime.GOOS + " " + runtime.GOARCH
	}

	c := &Client{
		client: httpClient,
		Config: config,
	}

	c.Sdks = &SdkService{client: c}
	c.Triggers = &TriggerService{client: c}
	c.Actions = &ActionService{client: c}
	c.Rules = &RuleService{client: c}
	c.Activations = &ActivationService{client: c}
	c.Packages = &PackageService{client: c}
	c.Namespaces = &NamespaceService{client: c}
	c.Info = &InfoService{client: c}
	c.Apis = &ApiService{client: c}

	werr := c.LoadX509KeyPair()
	if werr != nil {
		return nil, werr
	}

	return c, nil
}