// 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 !util.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 errors.NewAggregate(allErrs)
}
func validateLabels(labels map[string]string, field string) errs.ValidationErrorList {
allErrs := errs.ValidationErrorList{}
for k := range labels {
if !util.IsQualifiedName(k) {
allErrs = append(allErrs, errs.NewFieldInvalid(field, k, ""))
}
}
return allErrs
}
// ValidateAnnotations validates that a set of annotations are correctly defined.
func ValidateAnnotations(annotations map[string]string, field string) errs.ValidationErrorList {
allErrs := errs.ValidationErrorList{}
for k := range annotations {
if !util.IsQualifiedName(strings.ToLower(k)) {
allErrs = append(allErrs, errs.NewFieldInvalid(field, k, qualifiedNameErrorMsg))
}
}
return allErrs
}
// ValidateLabels validates that a set of labels are correctly defined.
func ValidateLabels(labels map[string]string, field string) errs.ValidationErrorList {
allErrs := errs.ValidationErrorList{}
for k, v := range labels {
if !util.IsQualifiedName(k) {
allErrs = append(allErrs, errs.NewFieldInvalid(field, k, qualifiedNameErrorMsg))
}
if !util.IsValidLabelValue(v) {
allErrs = append(allErrs, errs.NewFieldInvalid(field, v, labelValueErrorMsg))
}
}
return allErrs
}
// Validate compute resource typename.
// Refer to docs/resources.md for more details.
func validateResourceName(value string, field string) errs.ValidationErrorList {
allErrs := errs.ValidationErrorList{}
if !util.IsQualifiedName(value) {
return append(allErrs, errs.NewFieldInvalid(field, value, "resource typename: "+qualifiedNameErrorMsg))
}
if len(strings.Split(value, "/")) == 1 {
if !api.IsStandardResourceName(value) {
return append(allErrs, errs.NewFieldInvalid(field, value, "is neither a standard resource type nor is fully qualified"))
}
}
return errs.ValidationErrorList{}
}
// ValidateAnnotations validates that a set of annotations are correctly defined.
func ValidateAnnotations(annotations map[string]string, field string) errs.ValidationErrorList {
allErrs := errs.ValidationErrorList{}
var totalSize int64
for k, v := range annotations {
if !util.IsQualifiedName(strings.ToLower(k)) {
allErrs = append(allErrs, errs.NewFieldInvalid(field, k, qualifiedNameErrorMsg))
}
if !util.IsValidAnnotationValue(v) {
allErrs = append(allErrs, errs.NewFieldInvalid(field, k, ""))
}
totalSize += (int64)(len(k)) + (int64)(len(v))
}
if totalSize > (int64)(totalAnnotationSizeLimitB) {
allErrs = append(allErrs, errs.NewFieldTooLong("annotations", ""))
}
return 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{}
return plug, nil
}
pluginMap := map[string]NetworkPlugin{}
allErrs := []error{}
for _, plugin := range plugins {
name := plugin.Name()
if !util.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, errors.NewAggregate(allErrs)
}
func validateLabelKey(k string) error {
if !util.IsQualifiedName(k) {
return errors.NewFieldInvalid("label key", k, qualifiedNameErrorMsg)
}
return nil
}