mirror of
https://github.com/kyverno/kyverno.git
synced 2024-12-15 17:51:20 +00:00
69 lines
2.5 KiB
Go
69 lines
2.5 KiB
Go
package policy
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import (
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"fmt"
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kyvernov1 "github.com/kyverno/kyverno/api/kyverno/v1"
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kyvernov2 "github.com/kyverno/kyverno/api/kyverno/v2"
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backgroundcommon "github.com/kyverno/kyverno/pkg/background/common"
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"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
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"k8s.io/apimachinery/pkg/labels"
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)
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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.V(4).Info("update URs on policy event")
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ruleType := kyvernov2.Mutate
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spec := policy.GetSpec()
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policyNew := policy.CreateDeepCopy()
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policyNew.GetSpec().Rules = nil
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for _, rule := range spec.Rules {
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if !rule.HasMutateExisting() {
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continue
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}
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mutateExisting := rule.Mutation.MutateExistingOnPolicyUpdate
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if mutateExisting != nil {
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if !*mutateExisting {
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continue
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}
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} else if !spec.MutateExistingOnPolicyUpdate {
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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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logger.V(4).Info("UR was created", "rule", rule.Name, "rule type", ruleType, "trigger", trigger.GetNamespace()+trigger.GetName())
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continue
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}
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logger.V(4).Info("creating new UR for mutate")
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ur := newMutateUR(policy, backgroundcommon.ResourceSpecFromUnstructured(*trigger), rule.Name)
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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", 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", 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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return nil
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}
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func (pc *policyController) listMutateURs(policyKey string, trigger *unstructured.Unstructured) []*kyvernov2.UpdateRequest {
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mutateURs, err := pc.urLister.List(labels.SelectorFromSet(backgroundcommon.MutateLabelsSet(policyKey, trigger)))
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if err != nil {
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pc.log.Error(err, "failed to list update request for mutate policy")
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}
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return mutateURs
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}
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