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fix: avoid creating duplicate urs for background policies (#10431)
* feat: add generator abstraction Signed-off-by: ShutingZhao <shuting@nirmata.com> * feat: replace urgenerator Signed-off-by: ShutingZhao <shuting@nirmata.com> * fix: ko build Signed-off-by: ShutingZhao <shuting@nirmata.com> * feat: load threshold from kyverno configmap Signed-off-by: ShutingZhao <shuting@nirmata.com> * feat: add metadata client to get ur count Signed-off-by: ShutingZhao <shuting@nirmata.com> * feat: add helm option to preserve configmap settings during upgrade Signed-off-by: ShutingZhao <shuting@nirmata.com> * feat: add helm option to preserve configmap settings during upgrade 2 Signed-off-by: ShutingZhao <shuting@nirmata.com> * chore: rename imports Signed-off-by: ShutingZhao <shuting@nirmata.com> * chore: update codegen manifests Signed-off-by: ShutingZhao <shuting@nirmata.com> * fix: handle nil value Signed-off-by: ShutingZhao <shuting@nirmata.com> * fix: linter issue Signed-off-by: ShutingZhao <shuting@nirmata.com> * chore: update threshold to 1000 Signed-off-by: ShutingZhao <shuting@nirmata.com> * fix: avoid duplicate URs creation Signed-off-by: ShutingZhao <shuting@nirmata.com> * fix: revert false changes Signed-off-by: ShutingZhao <shuting@nirmata.com> * fix: simplify background applications Signed-off-by: ShutingZhao <shuting@nirmata.com> --------- Signed-off-by: ShutingZhao <shuting@nirmata.com>
This commit is contained in:
shuting
GitHub
parent
73e6aaaae2
commit
fe8c429e78
7 changed files with 60 additions and 39 deletions
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@ -48,6 +48,7 @@ type UpdateRequestStatus struct {
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// +kubebuilder:storageversion
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// +kubebuilder:subresource:status
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// +kubebuilder:printcolumn:name="Policy",type="string",JSONPath=".spec.policy"
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// +kubebuilder:printcolumn:name="Rule",type="string",JSONPath=".spec.rule"
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// +kubebuilder:printcolumn:name="RuleType",type="string",JSONPath=".spec.requestType"
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// +kubebuilder:printcolumn:name="ResourceKind",type="string",JSONPath=".spec.resource.kind"
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// +kubebuilder:printcolumn:name="ResourceName",type="string",JSONPath=".spec.resource.name"
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@ -28,6 +28,9 @@ spec:
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- jsonPath: .spec.policy
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name: Policy
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type: string
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- jsonPath: .spec.rule
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name: Rule
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type: string
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- jsonPath: .spec.requestType
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name: RuleType
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type: string
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@ -22,6 +22,9 @@ spec:
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- jsonPath: .spec.policy
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name: Policy
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type: string
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- jsonPath: .spec.rule
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name: Rule
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type: string
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- jsonPath: .spec.requestType
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name: RuleType
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type: string
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@ -46169,6 +46169,9 @@ spec:
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- jsonPath: .spec.policy
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name: Policy
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type: string
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- jsonPath: .spec.rule
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name: Rule
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type: string
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- jsonPath: .spec.requestType
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name: RuleType
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type: string
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@ -13,6 +13,7 @@ import (
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"github.com/kyverno/kyverno/pkg/config"
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"go.uber.org/multierr"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
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)
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func (pc *policyController) handleGenerate(policyKey string, policy kyvernov1.PolicyInterface) error {
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@ -38,14 +39,19 @@ func (pc *policyController) handleGenerate(policyKey string, policy kyvernov1.Po
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func (pc *policyController) handleGenerateForExisting(policy kyvernov1.PolicyInterface) error {
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var errors []error
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for _, rule := range policy.GetSpec().Rules {
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var triggers []*unstructured.Unstructured
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ruleType := kyvernov1beta1.Generate
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triggers := getTriggers(pc.client, rule, policy.IsNamespaced(), policy.GetNamespace(), pc.log)
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policyNew := policy.CreateDeepCopy()
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policyNew.GetSpec().Rules = nil
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for _, rule := range policy.GetSpec().Rules {
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triggers = getTriggers(pc.client, rule, policy.IsNamespaced(), policy.GetNamespace(), pc.log)
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policyNew.GetSpec().SetRules([]kyvernov1.Rule{rule})
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for _, trigger := range triggers {
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ur := newUR(policy, common.ResourceSpecFromUnstructured(*trigger), rule.Name, ruleType, false)
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skip, err := pc.handleUpdateRequest(ur, trigger, rule, policy)
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ur := newUR(policyNew, common.ResourceSpecFromUnstructured(*trigger), rule.Name, ruleType, false)
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skip, err := pc.handleUpdateRequest(ur, trigger, rule.Name, policyNew)
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if err != nil {
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pc.log.Error(err, "failed to create new UR on policy update", "policy", policy.GetName(), "rule", rule.Name, "rule type", ruleType,
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pc.log.Error(err, "failed to create new UR on policy update", "policy", policyNew.GetName(), "rule", rule.Name, "rule type", ruleType,
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"target", fmt.Sprintf("%s/%s/%s/%s", trigger.GetAPIVersion(), trigger.GetKind(), trigger.GetNamespace(), trigger.GetName()))
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errors = append(errors, err)
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continue
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@ -55,7 +61,7 @@ func (pc *policyController) handleGenerateForExisting(policy kyvernov1.PolicyInt
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continue
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}
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pc.log.V(4).Info("successfully created UR on policy update", "policy", policy.GetName(), "rule", rule.Name, "rule type", ruleType,
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pc.log.V(4).Info("successfully created UR on policy update", "policy", policyNew.GetName(), "rule", rule.Name, "rule type", ruleType,
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"target", fmt.Sprintf("%s/%s/%s/%s", trigger.GetAPIVersion(), trigger.GetKind(), trigger.GetNamespace(), trigger.GetName()))
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}
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}
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@ -112,15 +118,11 @@ func (pc *policyController) syncDataRulechanges(policy kyvernov1.PolicyInterface
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labels := downstream.GetLabels()
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trigger := generateutils.TriggerFromLabels(labels)
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ur := newUR(policy, trigger, rule.Name, kyvernov1beta1.Generate, deleteDownstream)
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created, err := pc.urGenerator.Generate(context.TODO(), pc.kyvernoClient, ur, pc.log)
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created, err := pc.kyvernoClient.KyvernoV1beta1().UpdateRequests(config.KyvernoNamespace()).Create(context.TODO(), ur, metav1.CreateOptions{})
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if err != nil {
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errorList = append(errorList, err)
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continue
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}
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if created == nil {
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continue
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}
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updated := created.DeepCopy()
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updated.Status = newURStatus(downstream)
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_, err = pc.kyvernoClient.KyvernoV1beta1().UpdateRequests(config.KyvernoNamespace()).UpdateStatus(context.TODO(), updated, metav1.UpdateOptions{})
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@ -12,13 +12,19 @@ import (
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func (pc *policyController) handleMutate(policyKey string, policy kyvernov1.PolicyInterface) error {
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logger := pc.log.WithName("handleMutate").WithName(policyKey)
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logger.Info("update URs on policy event")
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ruleType := kyvernov1beta1.Mutate
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policyNew := policy.CreateDeepCopy()
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policyNew.GetSpec().Rules = nil
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for _, rule := range policy.GetSpec().Rules {
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var ruleType kyvernov1beta1.RequestType
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if rule.HasMutateExisting() {
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ruleType = kyvernov1beta1.Mutate
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triggers := getTriggers(pc.client, rule, policy.IsNamespaced(), policy.GetNamespace(), pc.log)
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if !rule.HasMutateExisting() {
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continue
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}
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policyNew.GetSpec().SetRules([]kyvernov1.Rule{rule})
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triggers := getTriggers(pc.client, rule, policyNew.IsNamespaced(), policyNew.GetNamespace(), pc.log)
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for _, trigger := range triggers {
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murs := pc.listMutateURs(policyKey, trigger)
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if murs != nil {
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@ -28,20 +34,19 @@ func (pc *policyController) handleMutate(policyKey string, policy kyvernov1.Poli
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logger.Info("creating new UR for mutate")
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ur := newUR(policy, backgroundcommon.ResourceSpecFromUnstructured(*trigger), rule.Name, ruleType, false)
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skip, err := pc.handleUpdateRequest(ur, trigger, rule, policy)
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skip, err := pc.handleUpdateRequest(ur, trigger, rule.Name, policyNew)
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if err != nil {
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pc.log.Error(err, "failed to create new UR on policy update", "policy", policy.GetName(), "rule", rule.Name, "rule type", ruleType,
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pc.log.Error(err, "failed to create new UR on policy update", "policy", policyNew.GetName(), "rule", rule.Name, "rule type", ruleType,
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"target", fmt.Sprintf("%s/%s/%s/%s", trigger.GetAPIVersion(), trigger.GetKind(), trigger.GetNamespace(), trigger.GetName()))
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continue
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}
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if skip {
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continue
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}
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pc.log.V(2).Info("successfully created UR on policy update", "policy", policy.GetName(), "rule", rule.Name, "rule type", ruleType,
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pc.log.V(2).Info("successfully created UR on policy update", "policy", policyNew.GetName(), "rule", rule.Name, "rule type", ruleType,
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"target", fmt.Sprintf("%s/%s/%s/%s", trigger.GetAPIVersion(), trigger.GetKind(), trigger.GetNamespace(), trigger.GetName()))
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}
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}
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}
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return nil
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}
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@ -396,11 +396,11 @@ func (pc *policyController) requeuePolicies() {
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}
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}
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func (pc *policyController) handleUpdateRequest(ur *kyvernov1beta1.UpdateRequest, triggerResource *unstructured.Unstructured, rule kyvernov1.Rule, policy kyvernov1.PolicyInterface) (skip bool, err error) {
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func (pc *policyController) handleUpdateRequest(ur *kyvernov1beta1.UpdateRequest, triggerResource *unstructured.Unstructured, ruleName string, policy kyvernov1.PolicyInterface) (skip bool, err error) {
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namespaceLabels := engineutils.GetNamespaceSelectorsFromNamespaceLister(triggerResource.GetKind(), triggerResource.GetNamespace(), pc.nsLister, pc.log)
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policyContext, err := backgroundcommon.NewBackgroundContext(pc.log, pc.client, ur, policy, triggerResource, pc.configuration, pc.jp, namespaceLabels)
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if err != nil {
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return false, fmt.Errorf("failed to build policy context for rule %s: %w", rule.Name, err)
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return false, fmt.Errorf("failed to build policy context for rule %s: %w", ruleName, err)
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}
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engineResponse := pc.engine.ApplyBackgroundChecks(context.TODO(), policyContext)
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@ -410,7 +410,11 @@ func (pc *policyController) handleUpdateRequest(ur *kyvernov1beta1.UpdateRequest
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for _, ruleResponse := range engineResponse.PolicyResponse.Rules {
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if ruleResponse.Status() != engineapi.RuleStatusPass {
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pc.log.V(4).Info("skip creating URs on policy update", "policy", policy.GetName(), "rule", rule.Name, "rule.Status", ruleResponse.Status())
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pc.log.V(4).Info("skip creating URs on policy update", "policy", policy.GetName(), "rule", ruleName, "rule.Status", ruleResponse.Status())
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continue
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}
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if ruleResponse.Name() != ur.Spec.GetRuleName() {
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continue
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}
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