Golang validation.IsQualifiedName函数代码示例

// InitPlugins initializes each plugin.  All plugins must have unique names.
// This must be called exactly once before any New* methods are called on any
// plugins.
func (pm *VolumePluginMgr) InitPlugins(plugins []VolumePlugin, host VolumeHost) error {
	pm.mutex.Lock()
	defer pm.mutex.Unlock()

	if pm.plugins == nil {
		pm.plugins = map[string]VolumePlugin{}
	}

	allErrs := []error{}
	for _, plugin := range plugins {
		name := plugin.Name()
		if !validation.IsQualifiedName(name) {
			allErrs = append(allErrs, fmt.Errorf("volume plugin has invalid name: %#v", plugin))
			continue
		}

		if _, found := pm.plugins[name]; found {
			allErrs = append(allErrs, fmt.Errorf("volume plugin %q was registered more than once", name))
			continue
		}
		plugin.Init(host)
		pm.plugins[name] = plugin
		glog.V(1).Infof("Loaded volume plugin %q", name)
	}
	return utilerrors.NewAggregate(allErrs)
}

// ValidateLabelName validates that the label name is correctly defined.
func ValidateLabelName(labelName string, fldPath *field.Path) field.ErrorList {
	allErrs := field.ErrorList{}
	for _, msg := range validation.IsQualifiedName(labelName) {
		allErrs = append(allErrs, field.Invalid(fldPath, labelName, msg))
	}
	return allErrs
}

// InitPlugins initializes each plugin.  All plugins must have unique names.
// This must be called exactly once before any New* methods are called on any
// plugins.
func (pm *VolumePluginMgr) InitPlugins(plugins []VolumePlugin, host VolumeHost) error {
	pm.mutex.Lock()
	defer pm.mutex.Unlock()

	if pm.plugins == nil {
		pm.plugins = map[string]VolumePlugin{}
	}

	allErrs := []error{}
	for _, plugin := range plugins {
		name := plugin.Name()
		if errs := validation.IsQualifiedName(name); len(errs) != 0 {
			allErrs = append(allErrs, fmt.Errorf("volume plugin has invalid name: %q: %s", name, strings.Join(errs, ";")))
			continue
		}

		if _, found := pm.plugins[name]; found {
			allErrs = append(allErrs, fmt.Errorf("volume plugin %q was registered more than once", name))
			continue
		}
		err := plugin.Init(host)
		if err != nil {
			glog.Errorf("Failed to load volume plugin %s, error: %s", plugin, err.Error())
			allErrs = append(allErrs, err)
			continue
		}
		pm.plugins[name] = plugin
		glog.V(1).Infof("Loaded volume plugin %q", name)
	}
	return utilerrors.NewAggregate(allErrs)
}

// 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
}

// SlaveAttributesToLabels converts slave attributes into string key/value labels
func SlaveAttributesToLabels(attrs []*mesos.Attribute) map[string]string {
	l := map[string]string{}
	for _, a := range attrs {
		if a == nil {
			continue
		}

		var v string
		k := labelPrefix + a.GetName()

		switch a.GetType() {
		case mesos.Value_TEXT:
			v = a.GetText().GetValue()
		case mesos.Value_SCALAR:
			v = strconv.FormatFloat(a.GetScalar().GetValue(), 'G', -1, 64)
		}

		if !validation.IsQualifiedName(k) {
			log.V(3).Infof("ignoring invalid node label name %q", k)
			continue
		}

		if !validation.IsValidLabelValue(v) {
			log.V(3).Infof("ignoring invalid node label %s value: %q", k, v)
			continue
		}

		l[k] = v
	}
	return l
}

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
}

// validateProvisioner tests if provisioner is a valid qualified name.
func validateProvisioner(provisioner string, fldPath *field.Path) field.ErrorList {
	allErrs := field.ErrorList{}
	if len(provisioner) == 0 {
		allErrs = append(allErrs, field.Required(fldPath, provisioner))
	}
	if len(provisioner) > 0 {
		for _, msg := range validation.IsQualifiedName(strings.ToLower(provisioner)) {
			allErrs = append(allErrs, field.Invalid(fldPath, provisioner, msg))
		}
	}
	return allErrs
}

// Validate compute resource typename.
// Refer to docs/design/resources.md for more details.
func validateResourceName(value string, fldPath *field.Path) field.ErrorList {
	allErrs := field.ErrorList{}
	for _, msg := range validation.IsQualifiedName(value) {
		allErrs = append(allErrs, field.Invalid(fldPath, value, msg))
	}
	if len(allErrs) != 0 {
		return allErrs
	}

	if len(strings.Split(value, "/")) == 1 {
		if !api.IsStandardResourceName(value) {
			return append(allErrs, field.Invalid(fldPath, value, "must be a standard resource type or fully qualified"))
		}
	}

	return field.ErrorList{}
}

// InitNetworkPlugin inits the plugin that matches networkPluginName. Plugins must have unique names.
func InitNetworkPlugin(plugins []NetworkPlugin, networkPluginName string, host Host, hairpinMode componentconfig.HairpinMode, nonMasqueradeCIDR string, mtu int) (NetworkPlugin, error) {
	if networkPluginName == "" {
		// default to the no_op plugin
		plug := &NoopNetworkPlugin{}
		if err := plug.Init(host, hairpinMode, nonMasqueradeCIDR, mtu); err != nil {
			return nil, err
		}
		return plug, nil
	}

	pluginMap := map[string]NetworkPlugin{}

	allErrs := []error{}
	for _, plugin := range plugins {
		name := plugin.Name()
		if errs := validation.IsQualifiedName(name); len(errs) != 0 {
			allErrs = append(allErrs, fmt.Errorf("network plugin has invalid name: %q: %s", name, strings.Join(errs, ";")))
			continue
		}

		if _, found := pluginMap[name]; found {
			allErrs = append(allErrs, fmt.Errorf("network plugin %q was registered more than once", name))
			continue
		}
		pluginMap[name] = plugin
	}

	chosenPlugin := pluginMap[networkPluginName]
	if chosenPlugin != nil {
		err := chosenPlugin.Init(host, hairpinMode, nonMasqueradeCIDR, mtu)
		if err != nil {
			allErrs = append(allErrs, fmt.Errorf("Network plugin %q failed init: %v", networkPluginName, err))
		} else {
			glog.V(1).Infof("Loaded network plugin %q", networkPluginName)
		}
	} else {
		allErrs = append(allErrs, fmt.Errorf("Network plugin %q not found.", networkPluginName))
	}

	return chosenPlugin, utilerrors.NewAggregate(allErrs)
}

// InitNetworkPlugin inits the plugin that matches networkPluginName. Plugins must have unique names.
func InitNetworkPlugin(plugins []NetworkPlugin, networkPluginName string, host Host) (NetworkPlugin, error) {
	if networkPluginName == "" {
		// default to the no_op plugin
		plug := &noopNetworkPlugin{}
		if err := plug.Init(host); err != nil {
			return nil, err
		}
		return plug, nil
	}

	pluginMap := map[string]NetworkPlugin{}

	allErrs := []error{}
	for _, plugin := range plugins {
		name := plugin.Name()
		if !validation.IsQualifiedName(name) {
			allErrs = append(allErrs, fmt.Errorf("network plugin has invalid name: %#v", plugin))
			continue
		}

		if _, found := pluginMap[name]; found {
			allErrs = append(allErrs, fmt.Errorf("network plugin %q was registered more than once", name))
			continue
		}
		pluginMap[name] = plugin
	}

	chosenPlugin := pluginMap[networkPluginName]
	if chosenPlugin != nil {
		err := chosenPlugin.Init(host)
		if err != nil {
			allErrs = append(allErrs, fmt.Errorf("Network plugin %q failed init: %v", networkPluginName, err))
		} else {
			glog.V(1).Infof("Loaded network plugin %q", networkPluginName)
		}
	} else {
		allErrs = append(allErrs, fmt.Errorf("Network plugin %q not found.", networkPluginName))
	}

	return chosenPlugin, utilerrors.NewAggregate(allErrs)
}

func (f *ConfigFactory) getPluginArgs() (*PluginFactoryArgs, error) {
	failureDomainArgs := strings.Split(f.FailureDomains, ",")
	for _, failureDomain := range failureDomainArgs {
		if errs := utilvalidation.IsQualifiedName(failureDomain); len(errs) != 0 {
			return nil, fmt.Errorf("invalid failure domain: %q: %s", failureDomain, strings.Join(errs, ";"))
		}
	}

	return &PluginFactoryArgs{
		PodLister:        f.PodLister,
		ServiceLister:    f.ServiceLister,
		ControllerLister: f.ControllerLister,
		ReplicaSetLister: f.ReplicaSetLister,
		// All fit predicates only need to consider schedulable nodes.
		NodeLister: f.NodeLister.NodeCondition(getNodeConditionPredicate()),
		NodeInfo:   &predicates.CachedNodeInfo{StoreToNodeLister: f.NodeLister},
		PVInfo:     f.PVLister,
		PVCInfo:    &predicates.CachedPersistentVolumeClaimInfo{StoreToPersistentVolumeClaimLister: f.PVCLister},
		HardPodAffinitySymmetricWeight: f.HardPodAffinitySymmetricWeight,
		FailureDomains:                 sets.NewString(failureDomainArgs...).List(),
	}, nil
}

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
}

func validateLabelKey(k string) error {
	if len(kvalidation.IsQualifiedName(k)) != 0 {
		return field.Invalid(field.NewPath("label key"), k, qualifiedNameErrorMsg)
	}
	return nil
}

func validateLabelKey(k string) error {
	if !kvalidation.IsQualifiedName(k) {
		return fielderrors.NewFieldInvalid("label key", k, qualifiedNameErrorMsg)
	}
	return nil
}

func validateLabelKey(k string) error {
	if errs := validation.IsQualifiedName(k); len(errs) != 0 {
		return fmt.Errorf("invalid label key %q: %s", k, strings.Join(errs, "; "))
	}
	return nil
}