Exemple #1
0
func parseTaints(spec []string) ([]api.Taint, []api.Taint, error) {
	var taints, taintsToRemove []api.Taint
	uniqueTaints := map[api.TaintEffect]sets.String{}

	for _, taintSpec := range spec {
		if strings.Index(taintSpec, "=") != -1 && strings.Index(taintSpec, ":") != -1 {
			parts := strings.Split(taintSpec, "=")
			if len(parts) != 2 || len(parts[1]) == 0 || len(validation.IsQualifiedName(parts[0])) > 0 {
				return nil, nil, fmt.Errorf("invalid taint spec: %v", taintSpec)
			}

			parts2 := strings.Split(parts[1], ":")
			errs := validation.IsValidLabelValue(parts2[0])
			if len(parts2) != 2 || len(errs) != 0 {
				return nil, nil, fmt.Errorf("invalid taint spec: %v, %s", taintSpec, strings.Join(errs, "; "))
			}

			if parts2[1] != string(api.TaintEffectNoSchedule) && parts2[1] != string(api.TaintEffectPreferNoSchedule) {
				return nil, nil, fmt.Errorf("invalid taint spec: %v, unsupported taint effect", taintSpec)
			}

			effect := api.TaintEffect(parts2[1])
			newTaint := api.Taint{
				Key:    parts[0],
				Value:  parts2[0],
				Effect: effect,
			}

			// validate if taint is unique by <key, effect>
			if len(uniqueTaints[newTaint.Effect]) > 0 && uniqueTaints[newTaint.Effect].Has(newTaint.Key) {
				return nil, nil, fmt.Errorf("duplicated taints with the same key and effect: %v", newTaint)
			}
			// add taint to existingTaints for uniqueness check
			if len(uniqueTaints[newTaint.Effect]) == 0 {
				uniqueTaints[newTaint.Effect] = sets.String{}
			}
			uniqueTaints[newTaint.Effect].Insert(newTaint.Key)

			taints = append(taints, newTaint)
		} else if strings.HasSuffix(taintSpec, "-") {
			taintKey := taintSpec[:len(taintSpec)-1]
			var effect api.TaintEffect
			if strings.Index(taintKey, ":") != -1 {
				parts := strings.Split(taintKey, ":")
				taintKey = parts[0]
				effect = api.TaintEffect(parts[1])
			}
			taintsToRemove = append(taintsToRemove, api.Taint{Key: taintKey, Effect: effect})
		} else {
			return nil, nil, fmt.Errorf("unknown taint spec: %v", taintSpec)
		}
	}
	return taints, taintsToRemove, nil
}
Exemple #2
0
// ParseTaint parses a taint from a string. Taint must be off the format '<key>=<value>:<effect>'.
func ParseTaint(st string) (api.Taint, error) {
	var taint api.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 := api.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 != api.TaintEffectNoSchedule && effect != api.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
}
Exemple #3
0
func (t taintsVar) Set(s string) error {
	sts := strings.Split(s, ",")
	var taints []api.Taint
	for _, st := range sts {
		taint, err := ParseTaint(st)
		if err != nil {
			return err
		}
		taints = append(taints, api.Taint{Key: taint.Key, Value: taint.Value, Effect: api.TaintEffect(taint.Effect)})
	}
	*t.ptr = taints
	return nil
}
Exemple #4
0
func parseTaints(spec []string) ([]api.Taint, []string, error) {
	var taints []api.Taint
	var remove []string
	for _, taintSpec := range spec {
		if strings.Index(taintSpec, "=") != -1 && strings.Index(taintSpec, ":") != -1 {
			parts := strings.Split(taintSpec, "=")
			if len(parts) != 2 || len(parts[1]) == 0 || len(validation.IsQualifiedName(parts[0])) > 0 {
				return nil, nil, fmt.Errorf("invalid taint spec: %v", taintSpec)
			}

			parts2 := strings.Split(parts[1], ":")
			errs := validation.IsValidLabelValue(parts2[0])
			if len(parts2) != 2 || len(errs) != 0 {
				return nil, nil, fmt.Errorf("invalid taint spec: %v, %s", taintSpec, strings.Join(errs, "; "))
			}

			if parts2[1] != string(api.TaintEffectNoSchedule) && parts2[1] != string(api.TaintEffectPreferNoSchedule) {
				return nil, nil, fmt.Errorf("invalid taint spec: %v, unsupported taint effect", taintSpec)
			}

			effect := api.TaintEffect(parts2[1])
			newTaint := api.Taint{
				Key:    parts[0],
				Value:  parts2[0],
				Effect: effect,
			}

			taints = append(taints, newTaint)
		} else if strings.HasSuffix(taintSpec, "-") {
			remove = append(remove, taintSpec[:len(taintSpec)-1])
		} else {
			return nil, nil, fmt.Errorf("unknown taint spec: %v", taintSpec)
		}
	}
	return taints, remove, nil
}