Add batch.kubernetes.io to labels created in the Job controller.

This commit is contained in:
kannon92
2023-01-09 15:10:46 +00:00
parent c6f3007071
commit aef8cbab89
6 changed files with 831 additions and 470 deletions

View File

@@ -70,12 +70,12 @@ var (
string(v1.ConditionUnknown))
)
// ValidateGeneratedSelector validates that the generated selector on a controller object match the controller object
// validateGeneratedSelector validates that the generated selector on a controller object match the controller object
// metadata, and the labels on the pod template are as generated.
//
// TODO: generalize for other controller objects that will follow the same pattern, such as ReplicaSet and DaemonSet, and
// move to new location. Replace batch.Job with an interface.
func ValidateGeneratedSelector(obj *batch.Job) field.ErrorList {
func validateGeneratedSelector(obj *batch.Job, validateBatchLabels bool) field.ErrorList {
allErrs := field.ErrorList{}
if obj.Spec.ManualSelector != nil && *obj.Spec.ManualSelector {
return allErrs
@@ -100,12 +100,20 @@ func ValidateGeneratedSelector(obj *batch.Job) field.ErrorList {
// have placed certain labels on the pod, but this could have failed if
// the user added coflicting labels. Validate that the expected
// generated ones are there.
allErrs = append(allErrs, apivalidation.ValidateHasLabel(obj.Spec.Template.ObjectMeta, field.NewPath("spec").Child("template").Child("metadata"), "controller-uid", string(obj.UID))...)
allErrs = append(allErrs, apivalidation.ValidateHasLabel(obj.Spec.Template.ObjectMeta, field.NewPath("spec").Child("template").Child("metadata"), "job-name", string(obj.Name))...)
allErrs = append(allErrs, apivalidation.ValidateHasLabel(obj.Spec.Template.ObjectMeta, field.NewPath("spec").Child("template").Child("metadata"), batch.LegacyControllerUidLabel, string(obj.UID))...)
allErrs = append(allErrs, apivalidation.ValidateHasLabel(obj.Spec.Template.ObjectMeta, field.NewPath("spec").Child("template").Child("metadata"), batch.LegacyJobNameLabel, string(obj.Name))...)
expectedLabels := make(map[string]string)
expectedLabels["controller-uid"] = string(obj.UID)
expectedLabels["job-name"] = string(obj.Name)
if validateBatchLabels {
allErrs = append(allErrs, apivalidation.ValidateHasLabel(obj.Spec.Template.ObjectMeta, field.NewPath("spec").Child("template").Child("metadata"), batch.ControllerUidLabel, string(obj.UID))...)
allErrs = append(allErrs, apivalidation.ValidateHasLabel(obj.Spec.Template.ObjectMeta, field.NewPath("spec").Child("template").Child("metadata"), batch.JobNameLabel, string(obj.Name))...)
expectedLabels[batch.ControllerUidLabel] = string(obj.UID)
expectedLabels[batch.JobNameLabel] = string(obj.Name)
}
// Labels created by the Kubernetes project should have a Kubernetes prefix.
// These labels are set due to legacy reasons.
expectedLabels[batch.LegacyControllerUidLabel] = string(obj.UID)
expectedLabels[batch.LegacyJobNameLabel] = string(obj.Name)
// Whether manually or automatically generated, the selector of the job must match the pods it will produce.
if selector, err := metav1.LabelSelectorAsSelector(obj.Spec.Selector); err == nil {
if !selector.Matches(labels.Set(expectedLabels)) {
@@ -120,7 +128,7 @@ func ValidateGeneratedSelector(obj *batch.Job) field.ErrorList {
func ValidateJob(job *batch.Job, opts JobValidationOptions) field.ErrorList {
// Jobs and rcs have the same name validation
allErrs := apivalidation.ValidateObjectMeta(&job.ObjectMeta, true, apivalidation.ValidateReplicationControllerName, field.NewPath("metadata"))
allErrs = append(allErrs, ValidateGeneratedSelector(job)...)
allErrs = append(allErrs, validateGeneratedSelector(job, opts.RequirePrefixedLabels)...)
allErrs = append(allErrs, ValidateJobSpec(&job.Spec, field.NewPath("spec"), opts.PodValidationOptions)...)
if !opts.AllowTrackingAnnotation && hasJobTrackingAnnotation(job) {
allErrs = append(allErrs, field.Forbidden(field.NewPath("metadata").Child("annotations").Key(batch.JobTrackingFinalizer), "cannot add this annotation"))
@@ -596,4 +604,6 @@ type JobValidationOptions struct {
AllowMutableSchedulingDirectives bool
// Allow elastic indexed jobs
AllowElasticIndexedJobs bool
// Require Job to have the label on batch.kubernetes.io/job-name and batch.kubernetes.io/controller-uid
RequirePrefixedLabels bool
}