Beispiel #1
0
func parseLabels(spec []string) (map[string]string, []string, error) {
	labels := map[string]string{}
	var remove []string
	for _, labelSpec := range spec {
		if strings.Index(labelSpec, "=") != -1 {
			parts := strings.Split(labelSpec, "=")
			if len(parts) != 2 {
				return nil, nil, fmt.Errorf("invalid label spec: %v", labelSpec)
			}
			if errs := validation.IsValidLabelValue(parts[1]); len(errs) != 0 {
				return nil, nil, fmt.Errorf("invalid label value: %q: %s", labelSpec, strings.Join(errs, ";"))
			}
			labels[parts[0]] = parts[1]
		} else if strings.HasSuffix(labelSpec, "-") {
			remove = append(remove, labelSpec[:len(labelSpec)-1])
		} else {
			return nil, nil, fmt.Errorf("unknown label spec: %v", labelSpec)
		}
	}
	for _, removeLabel := range remove {
		if _, found := labels[removeLabel]; found {
			return nil, nil, fmt.Errorf("can not both modify and remove a label in the same command")
		}
	}
	return labels, remove, nil
}
Beispiel #2
0
// ParseTaint parses a taint from a string. Taint must be off the format '<key>=<value>:<effect>'.
func ParseTaint(st string) (v1.Taint, error) {
	var taint v1.Taint
	parts := strings.Split(st, "=")
	if len(parts) != 2 || len(parts[1]) == 0 || len(validation.IsQualifiedName(parts[0])) > 0 {
		return taint, fmt.Errorf("invalid taint spec: %v", st)
	}

	parts2 := strings.Split(parts[1], ":")

	effect := v1.TaintEffect(parts2[1])

	errs := validation.IsValidLabelValue(parts2[0])
	if len(parts2) != 2 || len(errs) != 0 {
		return taint, fmt.Errorf("invalid taint spec: %v, %s", st, strings.Join(errs, "; "))
	}

	if effect != v1.TaintEffectNoSchedule && effect != v1.TaintEffectPreferNoSchedule {
		return taint, fmt.Errorf("invalid taint spec: %v, unsupported taint effect", st)
	}

	taint.Key = parts[0]
	taint.Value = parts2[0]
	taint.Effect = effect

	return taint, nil
}
Beispiel #3
0
// ValidateLabels validates that a set of labels are correctly defined.
func ValidateLabels(labels map[string]string, fldPath *field.Path) field.ErrorList {
	allErrs := field.ErrorList{}
	for k, v := range labels {
		allErrs = append(allErrs, ValidateLabelName(k, fldPath)...)
		for _, msg := range validation.IsValidLabelValue(v) {
			allErrs = append(allErrs, field.Invalid(fldPath, v, msg))
		}
	}
	return allErrs
}
Beispiel #4
0
func validateLabelValue(v string) error {
	if errs := validation.IsValidLabelValue(v); len(errs) != 0 {
		return fmt.Errorf("invalid label value: %q: %s", v, strings.Join(errs, "; "))
	}
	return nil
}