func getDevices()

in nri_device_injector/nri_device_injector.go [126:155]

• 27 lines of code
• 6 McCabe index (conditional complexity)

func getDevices(ctrName string, podAnnotations map[string]string) ([]device, error) {
	var (
		deviceKey string = ctrDeviceKeyPrefix + ctrName

		annotation    []byte
		parsedDevices []device
		devices       []device
	)

	if value, ok := podAnnotations[deviceKey]; ok {
		annotation = []byte(value)
	}
	if annotation == nil {
		return nil, nil
	}

	if err := yaml.Unmarshal(annotation, &parsedDevices); err != nil {
		return nil, fmt.Errorf("invalid device annotation %q: %w", deviceKey, err)
	}
	paths := make(map[string]bool)
	for _, d := range parsedDevices {
		if _, got := paths[d.Path]; got {
			continue
		} else {
			paths[d.Path] = true
			devices = append(devices, d)
		}
	}
	return devices, nil
}