func()

in spinnaker/spinnaker.go [254:295]

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

func (s Spinnaker) GetInstanceIDs(app string, account D.AccountName, cloudProvider string, region D.RegionName, cluster D.ClusterName) (D.ASGName, []D.InstanceID, error) {
	url := s.activeASGURL(app, string(account), string(cluster), cloudProvider, string(region))

	resp, err := s.client.Get(url)
	if err != nil {
		return "", nil, errors.Wrapf(err, "http get failed at %s", url)
	}

	defer func() {
		if cerr := resp.Body.Close(); cerr != nil && err == nil {
			err = errors.Wrapf(err, "body close failed at %s", url)
		}
	}()

	if resp.StatusCode != http.StatusOK {
		return "", nil, errors.Errorf("unexpected response code (%d) from %s", resp.StatusCode, url)
	}

	body, err := ioutil.ReadAll(resp.Body)
	if err != nil {
		return "", nil, errors.Wrap(err, fmt.Sprintf("body read failed at %s", url))
	}

	var data struct {
		Name      string
		Instances []struct{ Name string }
	}

	err = json.Unmarshal(body, &data)
	if err != nil {
		return "", nil, errors.Wrapf(err, "failed to parse json at %s", url)
	}

	asg := D.ASGName(data.Name)
	instances := make([]D.InstanceID, len(data.Instances))
	for i, instance := range data.Instances {
		instances[i] = D.InstanceID(instance.Name)
	}

	return asg, instances, nil

}