75 lines
2.8 KiB
Go
75 lines
2.8 KiB
Go
package detector
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import (
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"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
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"k8s.io/klog/v2"
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policyv1alpha1 "github.com/karmada-io/karmada/pkg/apis/policy/v1alpha1"
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"github.com/karmada-io/karmada/pkg/util"
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"github.com/karmada-io/karmada/pkg/util/fedinformer/keys"
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)
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func getHighestPriorityPropagationPolicies(policies []*policyv1alpha1.PropagationPolicy, resource *unstructured.Unstructured, objectKey keys.ClusterWideKey) *policyv1alpha1.PropagationPolicy {
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var matchedPolicy *policyv1alpha1.PropagationPolicy
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matchedPolicyPriority := util.PriorityMisMatch
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for _, policy := range policies {
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if p := util.ResourceMatchSelectorsPriority(resource, policy.Spec.ResourceSelectors...); p > matchedPolicyPriority {
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matchedPolicy = policy
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matchedPolicyPriority = p
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} else if p > util.PriorityMisMatch && p == matchedPolicyPriority {
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matchedPolicy = getHigherPriorityPropagationPolicy(matchedPolicy, policy)
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}
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}
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if matchedPolicy == nil {
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klog.V(2).Infof("No propagationpolicy match for resource(%s)", objectKey)
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return nil
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}
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klog.V(2).Infof("Matched policy(%s/%s) for resource(%s)", matchedPolicy.Namespace, matchedPolicy.Name, objectKey)
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return matchedPolicy
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}
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func getHighestPriorityClusterPropagationPolicies(policies []*policyv1alpha1.ClusterPropagationPolicy, resource *unstructured.Unstructured, objectKey keys.ClusterWideKey) *policyv1alpha1.ClusterPropagationPolicy {
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var matchedClusterPolicy *policyv1alpha1.ClusterPropagationPolicy
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matchedClusterPolicyPriority := util.PriorityMisMatch
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for _, policy := range policies {
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if p := util.ResourceMatchSelectorsPriority(resource, policy.Spec.ResourceSelectors...); p > matchedClusterPolicyPriority {
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matchedClusterPolicy = policy
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matchedClusterPolicyPriority = p
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} else if p > util.PriorityMisMatch && p == matchedClusterPolicyPriority {
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matchedClusterPolicy = getHigherPriorityClusterPropagationPolicy(matchedClusterPolicy, policy)
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}
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}
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if matchedClusterPolicy == nil {
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klog.V(2).Infof("No clusterpropagationpolicy match for resource(%s)", objectKey)
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return nil
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}
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klog.V(2).Infof("Matched cluster policy(%s) for resource(%s)", matchedClusterPolicy.Name, objectKey)
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return matchedClusterPolicy
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}
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// getHigherPriorityPropagationPolicy compare two PropagationPolicies with some priority comparison logic
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func getHigherPriorityPropagationPolicy(a, b *policyv1alpha1.PropagationPolicy) *policyv1alpha1.PropagationPolicy {
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if a == nil {
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return b
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}
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// logic of priority comparison
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if a.Name < b.Name {
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return a
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}
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return b
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}
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// getHigherPriorityClusterPropagationPolicy compare two ClusterPropagationPolicies with some priority comparison logic
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func getHigherPriorityClusterPropagationPolicy(a, b *policyv1alpha1.ClusterPropagationPolicy) *policyv1alpha1.ClusterPropagationPolicy {
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if a == nil {
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return b
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}
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// logic of priority comparison
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if a.Name < b.Name {
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return a
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}
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return b
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}
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