func ValidateDeploymentStrategy(strategy *extensions.DeploymentStrategy, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
if strategy.RollingUpdate == nil {
return allErrs
}
switch strategy.Type {
case extensions.RecreateDeploymentStrategyType:
allErrs = append(allErrs, field.Forbidden(fldPath.Child("rollingUpdate"), "may not be specified when strategy `type` is '"+string(extensions.RecreateDeploymentStrategyType+"'")))
case extensions.RollingUpdateDeploymentStrategyType:
allErrs = append(allErrs, ValidateRollingUpdateDeployment(strategy.RollingUpdate, fldPath.Child("rollingUpdate"))...)
}
return allErrs
}
// ValidateDaemonSetTemplateUpdate tests that certain fields in the daemon set's pod template are not updated.
func ValidateDaemonSetTemplateUpdate(podTemplate, oldPodTemplate api.PodTemplateSpec, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
podSpec := podTemplate.Spec
// podTemplate.Spec is not a pointer, so we can modify NodeSelector and NodeName directly.
podSpec.NodeSelector = oldPodTemplate.Spec.NodeSelector
podSpec.NodeName = oldPodTemplate.Spec.NodeName
// In particular, we do not allow updates to container images at this point.
if !api.Semantic.DeepEqual(oldPodTemplate.Spec, podSpec) {
// TODO: Pinpoint the specific field that causes the invalid error after we have strategic merge diff
allErrs = append(allErrs, field.Forbidden(fldPath.Child("spec"), "daemonSet updates may not change fields other than `nodeSelector`"))
}
return allErrs
}
func ValidateLabelSelectorRequirement(sr extensions.LabelSelectorRequirement, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
switch sr.Operator {
case extensions.LabelSelectorOpIn, extensions.LabelSelectorOpNotIn:
if len(sr.Values) == 0 {
allErrs = append(allErrs, field.Required(fldPath.Child("values"), "must be specified when `operator` is 'In' or 'NotIn'"))
}
case extensions.LabelSelectorOpExists, extensions.LabelSelectorOpDoesNotExist:
if len(sr.Values) > 0 {
allErrs = append(allErrs, field.Forbidden(fldPath.Child("values"), "may not be specified when `operator` is 'Exists' or 'DoesNotExist'"))
}
default:
allErrs = append(allErrs, field.Invalid(fldPath.Child("operator"), sr.Operator, "not a valid selector operator"))
}
allErrs = append(allErrs, apivalidation.ValidateLabelName(sr.Key, fldPath.Child("key"))...)
return allErrs
}