func()

in credentials/providers/ecs_ram_role.go [89:134]

• 40 lines of code
• 11 McCabe index (conditional complexity)

func (provider *ECSRAMRoleCredentialsProvider) getRoleName() (roleName string, err error) {
	req := &httputil.Request{
		Method:   "GET",
		Protocol: "http",
		Host:     "100.100.100.200",
		Path:     "/latest/meta-data/ram/security-credentials/",
		Headers:  map[string]string{},
	}

	connectTimeout := 1 * time.Second
	readTimeout := 1 * time.Second

	if provider.httpOptions != nil && provider.httpOptions.ConnectTimeout > 0 {
		connectTimeout = time.Duration(provider.httpOptions.ConnectTimeout) * time.Millisecond
	}
	if provider.httpOptions != nil && provider.httpOptions.ReadTimeout > 0 {
		readTimeout = time.Duration(provider.httpOptions.ReadTimeout) * time.Millisecond
	}
	if provider.httpOptions != nil && provider.httpOptions.Proxy != "" {
		req.Proxy = provider.httpOptions.Proxy
	}
	req.ConnectTimeout = connectTimeout
	req.ReadTimeout = readTimeout

	metadataToken, err := provider.getMetadataToken()
	if err != nil {
		return "", err
	}
	if metadataToken != "" {
		req.Headers["x-aliyun-ecs-metadata-token"] = metadataToken
	}

	res, err := httpDo(req)
	if err != nil {
		err = fmt.Errorf("get role name failed: %s", err.Error())
		return
	}

	if res.StatusCode != 200 {
		err = fmt.Errorf("get role name failed: %s %d", req.BuildRequestURL(), res.StatusCode)
		return
	}

	roleName = strings.TrimSpace(string(res.Body))
	return
}