Function evalComponentDevices

mdstat.go:328–353

(deviceFields []string)

}

func evalComponentDevices(deviceFields []string) ([]MDStatComponent, error) {
	mdComponentDevices := make([]MDStatComponent, 0)
	for _, field := range deviceFields {
		match := componentDeviceRE.FindStringSubmatch(field)
		if match == nil {
			continue
		}
		descriptorIndex, err := strconv.ParseInt(match[2], 10, 32)
		if err != nil {
			return mdComponentDevices, fmt.Errorf("error parsing int from device %q: %w", match[2], err)
		}
		mdComponentDevices = append(mdComponentDevices, MDStatComponent{
			Name:            match[1],
			DescriptorIndex: int32(descriptorIndex),
			// match may contain one or more of these
			// https://github.com/torvalds/linux/blob/7ec462100ef9142344ddbf86f2c3008b97acddbe/drivers/md/md.c#L8376-L8392
			Faulty:      strings.Contains(match[3], "(F)"),
			Spare:       strings.Contains(match[3], "(S)"),
			Journal:     strings.Contains(match[3], "(J)"),
			Replacement: strings.Contains(match[3], "(R)"),
			WriteMostly: strings.Contains(match[3], "(W)"),
		})
	}

	return mdComponentDevices, nil
}