Example #1
0
// freeMemOrSwap is an abstraction of FreeMemory and FreeSwap, which measures
// if the desired resource has a quantity free above the amount specified
func freeMemOrSwap(input string, swapOrMem string) (int, string, error) {
	amount, units, err := chkutil.SeparateByteUnits(input)
	if err != nil {
		log.WithFields(log.Fields{
			"err": err.Error(),
		}).Fatal("Couldn't separate string into a scalar and units")
	}
	var actualAmount int
	switch strings.ToLower(swapOrMem) {
	case "memory":
		actualAmount, err = memstatus.FreeMemory(units)
	case "swap":
		actualAmount, err = memstatus.FreeSwap(units)
	default:
		log.Fatalf("Invalid option passed to freeMemoOrSwap: %s", swapOrMem)
	}
	if err != nil {
		return 1, "", err
	} else if actualAmount > amount {
		return errutil.Success()
	}
	msg := "Free " + swapOrMem + " lower than defined threshold"
	actualString := fmt.Sprint(actualAmount) + units
	return errutil.GenericError(msg, input, []string{actualString})
}
Example #2
0
func (chk MemoryUsage) Status() (int, string, error) {
	actualPercentUsed, err := memstatus.FreeMemory("percent")
	if err != nil {
		return 1, "", err
	}
	if actualPercentUsed < int(chk.maxPercentUsed) {
		return errutil.Success()
	}
	msg := "Memory usage above defined maximum"
	slc := []string{fmt.Sprint(actualPercentUsed)}
	return errutil.GenericError(msg, fmt.Sprint(chk.maxPercentUsed), slc)
}