Exemple #1
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// 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
}
Exemple #2
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// 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.GetPluginName()
		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)
}
Exemple #3
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// 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
}
Exemple #4
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// 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
}
Exemple #5
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// ValidateAnnotations validates that a set of annotations are correctly defined.
func ValidateAnnotations(annotations map[string]string, fldPath *field.Path) field.ErrorList {
	allErrs := field.ErrorList{}
	var totalSize int64
	for k, v := range annotations {
		for _, msg := range validation.IsQualifiedName(strings.ToLower(k)) {
			allErrs = append(allErrs, field.Invalid(fldPath, k, msg))
		}
		totalSize += (int64)(len(k)) + (int64)(len(v))
	}
	if totalSize > (int64)(totalAnnotationSizeLimitB) {
		allErrs = append(allErrs, field.TooLong(fldPath, "", totalAnnotationSizeLimitB))
	}
	return allErrs
}
Exemple #6
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// 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{}
}
Exemple #7
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// Validate finalizer names
func ValidateFinalizerName(stringValue string, fldPath *field.Path) field.ErrorList {
	allErrs := field.ErrorList{}
	for _, msg := range validation.IsQualifiedName(stringValue) {
		allErrs = append(allErrs, field.Invalid(fldPath, stringValue, msg))
	}
	if len(allErrs) != 0 {
		return allErrs
	}

	if len(strings.Split(stringValue, "/")) == 1 {
		if !api.IsStandardFinalizerName(stringValue) {
			return append(allErrs, field.Invalid(fldPath, stringValue, "name is neither a standard finalizer name nor is it fully qualified"))
		}
	}

	return field.ErrorList{}
}
Exemple #8
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// 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)
}
Exemple #9
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func (f *ConfigFactory) getPluginArgs() (*PluginFactoryArgs, error) {
	for _, failureDomain := range f.failureDomains {
		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(f.failureDomains...).List(),
	}, nil
}
Exemple #10
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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
}