// 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.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)
}
// 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
}
// 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
}
// 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
}
// 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{}
}
// 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{}
}
// 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)
}
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
}
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
}