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karmada
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update binding's labels when it's policy has been deleted 

Signed-off-by: lihanbo <lihanbo2@huawei.com>
This commit is contained in:
lihanbo 2021-12-28 15:46:14 +08:00
parent e85d376bcc
commit 95825fecfb
1 changed files with 76 additions and 5 deletions
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81
pkg/detector/detector.go
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@ -909,12 +909,19 @@ func (d *ResourceDetector) HandlePropagationPolicyDeletion(policyNS string, poli
return err
}
for _, binding := range rbs.Items {
for index, binding := range rbs.Items {
// Cleanup the labels from the reference binding so that the karmada scheduler won't reschedule the binding.
if err := d.CleanupResourceBindingLabels(&rbs.Items[index], policyv1alpha1.PropagationPolicyNamespaceLabel, policyv1alpha1.PropagationPolicyNameLabel); err != nil {
klog.Errorf("Failed to cleanup label from resource binding(%s/%s) when propagation policy(%s/%s) removing, error: %v",
binding.Namespace, binding.Name, policyNS, policyName, err)
return err
}
// Cleanup the labels from the object referencing by binding.
// In addition, this will give the object a chance to match another policy.
if err := d.CleanupLabels(binding.Spec.Resource, policyv1alpha1.PropagationPolicyNamespaceLabel, policyv1alpha1.PropagationPolicyNameLabel); err != nil {
klog.Errorf("Failed to cleanup label from resource(%s-%s/%s) when resource binding(%s/%s) removing, error: %v",
binding.Spec.Resource.Kind, binding.Spec.Resource.Namespace, binding.Spec.Resource.Name, binding.Namespace, binding.Name, err)
klog.Errorf("Failed to cleanup label from resource(%s-%s/%s) when propagation policy(%s/%s) removing, error: %v",
binding.Spec.Resource.Kind, binding.Spec.Resource.Namespace, binding.Spec.Resource.Name, policyNS, policyName, err)
return err
}
}
@ -938,7 +945,14 @@ func (d *ResourceDetector) HandleClusterPropagationPolicyDeletion(policyName str
klog.Errorf("Failed to load cluster resource binding by policy(%s), error: %v", policyName, err)
errs = append(errs, err)
} else if len(crbs.Items) > 0 {
for _, binding := range crbs.Items {
for index, binding := range crbs.Items {
// Cleanup the labels from the reference binding so that the karmada scheduler won't reschedule the binding.
if err := d.CleanupClusterResourceBindingLabels(&crbs.Items[index], policyv1alpha1.ClusterPropagationPolicyLabel); err != nil {
klog.Errorf("Failed to cleanup label from cluster resource binding(%s) when cluster propagation policy(%s) removing, error: %v",
binding.Name, policyName, err)
errs = append(errs, err)
}
// Cleanup the labels from the object referencing by binding.
// In addition, this will give the object a chance to match another policy.
if err := d.CleanupLabels(binding.Spec.Resource, policyv1alpha1.ClusterPropagationPolicyLabel); err != nil {
@ -955,7 +969,14 @@ func (d *ResourceDetector) HandleClusterPropagationPolicyDeletion(policyName str
klog.Errorf("Failed to load resource binding by policy(%s), error: %v", policyName, err)
errs = append(errs, err)
} else if len(rbs.Items) > 0 {
for _, binding := range rbs.Items {
for index, binding := range rbs.Items {
// Cleanup the labels from the reference binding so that the karmada scheduler won't reschedule the binding.
if err := d.CleanupResourceBindingLabels(&rbs.Items[index], policyv1alpha1.ClusterPropagationPolicyLabel); err != nil {
klog.Errorf("Failed to cleanup label from resource binding(%s/%s) when cluster propagation policy(%s) removing, error: %v",
binding.Namespace, binding.Name, policyName, err)
errs = append(errs, err)
}
// Cleanup the labels from the object referencing by binding.
// In addition, this will give the object a chance to match another policy.
if err := d.CleanupLabels(binding.Spec.Resource, policyv1alpha1.ClusterPropagationPolicyLabel); err != nil {
@ -1052,3 +1073,53 @@ func (d *ResourceDetector) CleanupLabels(objRef workv1alpha2.ObjectReference, la
klog.V(2).Infof("Updated resource template(kind=%s, %s/%s) successfully", newWorkload.GetKind(), newWorkload.GetNamespace(), newWorkload.GetName())
return nil
}
// CleanupResourceBindingLabels removes labels from resource binding.
func (d *ResourceDetector) CleanupResourceBindingLabels(rb *workv1alpha2.ResourceBinding, labels ...string) error {
bindingLabels := rb.GetLabels()
for _, l := range labels {
delete(bindingLabels, l)
}
return retry.RetryOnConflict(retry.DefaultRetry, func() (err error) {
rb.SetLabels(bindingLabels)
updateErr := d.Client.Update(context.TODO(), rb)
if updateErr == nil {
return nil
}
updated := &workv1alpha2.ResourceBinding{}
if err = d.Client.Get(context.TODO(), client.ObjectKey{Namespace: rb.GetNamespace(), Name: rb.GetName()}, updated); err == nil {
//make a copy, so we don't mutate the shared cache
rb = updated.DeepCopy()
} else {
klog.Errorf("failed to get updated resource binding %s/%s: %v", rb.GetNamespace(), rb.GetName(), err)
}
return updateErr
})
}
// CleanupClusterResourceBindingLabels removes labels from cluster resource binding.
func (d *ResourceDetector) CleanupClusterResourceBindingLabels(crb *workv1alpha2.ClusterResourceBinding, labels ...string) error {
bindingLabels := crb.GetLabels()
for _, l := range labels {
delete(bindingLabels, l)
}
return retry.RetryOnConflict(retry.DefaultRetry, func() (err error) {
crb.SetLabels(bindingLabels)
updateErr := d.Client.Update(context.TODO(), crb)
if updateErr == nil {
return nil
}
updated := &workv1alpha2.ClusterResourceBinding{}
if err = d.Client.Get(context.TODO(), client.ObjectKey{Name: crb.GetName()}, updated); err == nil {
//make a copy, so we don't mutate the shared cache
crb = updated.DeepCopy()
} else {
klog.Errorf("failed to get updated cluster resource binding %s: %v", crb.GetName(), err)
}
return updateErr
})
}