mirror of
https://github.com/kyverno/kyverno.git
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Merge pull request #1227 from realshuting/remove_violation
clean up policy violation code - remove pvGenerator
This commit is contained in:
Jim Bugwadia
GitHub
commit
3d2bb58395
17 changed files with 41 additions and 1547 deletions
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@ -23,7 +23,6 @@ import (
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"github.com/kyverno/kyverno/pkg/policycache"
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"github.com/kyverno/kyverno/pkg/policyreport"
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"github.com/kyverno/kyverno/pkg/policystatus"
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"github.com/kyverno/kyverno/pkg/policyviolation"
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"github.com/kyverno/kyverno/pkg/resourcecache"
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"github.com/kyverno/kyverno/pkg/signal"
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"github.com/kyverno/kyverno/pkg/utils"
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@ -96,8 +95,9 @@ func main() {
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// KYVERNO CRD CLIENT
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// access CRD resources
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// - Policy
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// - PolicyViolation
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// - ClusterPolicy, Policy
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// - ClusterPolicyReport, PolicyReport
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// - GenerateRequest
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pclient, err := kyvernoclient.NewForConfig(clientConfig)
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if err != nil {
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setupLog.Error(err, "Failed to create client")
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@ -122,7 +122,7 @@ func main() {
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// ===========================================================
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// CRD CHECK
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// - verify if the CRD for Policy & PolicyViolation are available
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// - verify if Kyverno CRDs are available
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if !utils.CRDInstalled(client.DiscoveryClient, log.Log) {
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setupLog.Error(fmt.Errorf("CRDs not installed"), "Failed to access Kyverno CRDs")
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os.Exit(1)
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@ -157,8 +157,10 @@ func main() {
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// KYVERNO CRD INFORMER
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// watches CRD resources:
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// - Policy
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// - PolicyViolation
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// - ClusterPolicy, Policy
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// - ClusterPolicyReport, PolicyReport
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// - GenerateRequest
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// - ClusterReportChangeRequest, ReportChangeRequest
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pInformer := kyvernoinformer.NewSharedInformerFactoryWithOptions(pclient, resyncPeriod)
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// Configuration Data
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@ -191,7 +193,6 @@ func main() {
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// -- generate policy report
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var reportReqGen *policyreport.Generator
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var prgen *policyreport.ReportGenerator
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if os.Getenv("POLICY-TYPE") == common.PolicyReport {
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reportReqGen = policyreport.NewReportChangeRequestGenerator(pclient,
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client,
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pInformer.Kyverno().V1alpha1().ReportChangeRequests(),
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@ -208,22 +209,6 @@ func main() {
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kubeInformer.Core().V1().Namespaces(),
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log.Log.WithName("PolicyReportGenerator"),
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)
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}
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// POLICY VIOLATION GENERATOR
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// -- generate policy violation
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var pvgen *policyviolation.Generator
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pvgen = policyviolation.NewPVGenerator(pclient,
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client,
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pInformer.Kyverno().V1().ClusterPolicyViolations(),
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pInformer.Kyverno().V1().PolicyViolations(),
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pInformer.Policy().V1alpha1().ClusterPolicyReports(),
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pInformer.Policy().V1alpha1().PolicyReports(),
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statusSync.Listener,
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reportReqGen,
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log.Log.WithName("PolicyViolationGenerator"),
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stopCh,
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)
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// POLICY CONTROLLER
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// - reconciliation policy and policy violation
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@ -233,12 +218,9 @@ func main() {
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client,
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pInformer.Kyverno().V1().ClusterPolicies(),
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pInformer.Kyverno().V1().Policies(),
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pInformer.Kyverno().V1().ClusterPolicyViolations(),
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pInformer.Kyverno().V1().PolicyViolations(),
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pInformer.Kyverno().V1().GenerateRequests(),
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configData,
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eventGenerator,
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pvgen,
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reportReqGen,
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rWebhookWatcher,
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kubeInformer.Core().V1().Namespaces(),
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@ -290,7 +272,6 @@ func main() {
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pCacheController.Cache,
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eventGenerator,
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statusSync.Listener,
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pvgen,
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reportReqGen,
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kubeInformer.Rbac().V1().RoleBindings(),
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kubeInformer.Rbac().V1().ClusterRoleBindings(),
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@ -347,7 +328,6 @@ func main() {
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webhookRegistrationClient,
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statusSync.Listener,
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configData,
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pvgen,
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reportReqGen,
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grgen,
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rWebhookWatcher,
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@ -369,16 +349,12 @@ func main() {
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kubeInformer.Start(stopCh)
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kubedynamicInformer.Start(stopCh)
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if os.Getenv("POLICY-TYPE") == common.PolicyReport {
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go reportReqGen.Run(2, stopCh)
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go prgen.Run(1, stopCh)
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}
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go grgen.Run(1)
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go rWebhookWatcher.Run(stopCh)
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go configData.Run(stopCh)
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go policyCtrl.Run(2, stopCh)
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go pvgen.Run(2, stopCh)
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go eventGenerator.Run(3, stopCh)
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go grc.Run(1, stopCh)
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go grcc.Run(1, stopCh)
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@ -1,104 +0,0 @@
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package policy
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import (
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"fmt"
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"reflect"
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"github.com/go-logr/logr"
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kyverno "github.com/kyverno/kyverno/pkg/api/kyverno/v1"
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kyvernolister "github.com/kyverno/kyverno/pkg/client/listers/kyverno/v1"
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"github.com/kyverno/kyverno/pkg/engine/response"
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"k8s.io/apimachinery/pkg/labels"
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)
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func (pc *PolicyController) cleanUp(ers []response.EngineResponse) {
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for _, er := range ers {
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if !er.IsSuccessful() {
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continue
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}
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if len(er.PolicyResponse.Rules) == 0 {
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continue
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}
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// clean up after the policy has been corrected
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pc.cleanUpPolicyViolation(er.PolicyResponse)
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}
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}
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func (pc *PolicyController) cleanUpPolicyViolation(pResponse response.PolicyResponse) {
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logger := pc.log
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// - check if there is violation on resource (label:Selector)
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if pResponse.Resource.Namespace == "" {
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pv, err := getClusterPV(pc.cpvLister, pResponse.Policy, pResponse.Resource.Kind, pResponse.Resource.Name, logger)
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if err != nil {
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logger.Error(err, "failed to get cluster policy violation on policy and resource", "policy", pResponse.Policy, "kind", pResponse.Resource.Kind, "name", pResponse.Resource.Name)
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return
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}
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if reflect.DeepEqual(pv, kyverno.ClusterPolicyViolation{}) {
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return
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}
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if err := pc.pvControl.DeleteClusterPolicyViolation(pv.Name); err != nil {
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logger.Error(err, "failed to delete cluster policy violation", "name", pv.Name)
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} else {
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logger.Info("deleted cluster policy violation", "name", pv.Name)
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}
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return
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}
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// namespace policy violation
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nspv, err := getNamespacedPV(pc.nspvLister, pResponse.Policy, pResponse.Resource.Kind, pResponse.Resource.Namespace, pResponse.Resource.Name, logger)
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if err != nil {
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logger.Error(err, "failed to get namespaced policy violation on policy and resource", "policy", pResponse.Policy, "kind", pResponse.Resource.Kind, "namespace", pResponse.Resource.Namespace, "name", pResponse.Resource.Name)
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return
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}
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if reflect.DeepEqual(nspv, kyverno.PolicyViolation{}) {
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return
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}
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if err := pc.pvControl.DeleteNamespacedPolicyViolation(nspv.Namespace, nspv.Name); err != nil {
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logger.Error(err, "failed to delete cluster policy violation", "name", nspv.Name, "namespace", nspv.Namespace)
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} else {
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logger.Info("deleted namespaced policy violation", "name", nspv.Name, "namespace", nspv.Namespace)
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}
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}
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// Wont do the claiming of objects, just lookup based on selectors
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func getClusterPV(pvLister kyvernolister.ClusterPolicyViolationLister, policyName, rkind, rname string, log logr.Logger) (kyverno.ClusterPolicyViolation, error) {
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var err error
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// Check Violation on resource
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pvs, err := pvLister.List(labels.Everything())
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if err != nil {
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log.Error(err, "failed to list cluster policy violations")
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return kyverno.ClusterPolicyViolation{}, fmt.Errorf("failed to list cluster pv: %v", err)
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}
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for _, pv := range pvs {
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// find a policy on same resource and policy combination
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if pv.Spec.Policy == policyName &&
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pv.Spec.ResourceSpec.Kind == rkind &&
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pv.Spec.ResourceSpec.Name == rname {
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return *pv, nil
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}
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}
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return kyverno.ClusterPolicyViolation{}, nil
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}
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func getNamespacedPV(nspvLister kyvernolister.PolicyViolationLister, policyName, rkind, rnamespace, rname string, log logr.Logger) (kyverno.PolicyViolation, error) {
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nspvs, err := nspvLister.PolicyViolations(rnamespace).List(labels.Everything())
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if err != nil {
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log.Error(err, "failed to list namespaced policy violation")
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return kyverno.PolicyViolation{}, fmt.Errorf("failed to list namespaced pv: %v", err)
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}
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for _, nspv := range nspvs {
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// find a policy on same resource and policy combination
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if nspv.Spec.Policy == policyName &&
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nspv.Spec.ResourceSpec.Kind == rkind &&
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nspv.Spec.ResourceSpec.Name == rname {
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return *nspv, nil
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}
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}
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return kyverno.PolicyViolation{}, nil
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}
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@ -1,132 +0,0 @@
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package policy
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import (
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kyverno "github.com/kyverno/kyverno/pkg/api/kyverno/v1"
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"k8s.io/client-go/tools/cache"
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)
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func (pc *PolicyController) addClusterPolicyViolation(obj interface{}) {
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pv := obj.(*kyverno.ClusterPolicyViolation)
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logger := pc.log.WithValues("kind", pv.Kind, "namespace", pv.Namespace, "name", pv.Name)
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if pv.DeletionTimestamp != nil {
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// On a restart of the controller manager, it's possible for an object to
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// show up in a state that is already pending deletion.
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pc.deleteClusterPolicyViolation(pv)
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return
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}
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ps := pc.getPolicyForClusterPolicyViolation(pv)
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if len(ps) == 0 {
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// there is no cluster policy for this violation, so we can delete this cluster policy violation
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logger.V(4).Info("Cluster Policy Violation does not belong to an active policy, will be cleaned up")
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if err := pc.pvControl.DeleteClusterPolicyViolation(pv.Name); err != nil {
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logger.Error(err, "failed to delete resource")
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return
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}
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logger.V(4).Info("resource deleted")
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return
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}
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logger.V(4).Info("resource added")
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for _, p := range ps {
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pc.enqueuePolicy(p)
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}
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}
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func (pc *PolicyController) updateClusterPolicyViolation(old, cur interface{}) {
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curPV := cur.(*kyverno.ClusterPolicyViolation)
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oldPV := old.(*kyverno.ClusterPolicyViolation)
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if curPV.ResourceVersion == oldPV.ResourceVersion {
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// Periodic resync will send update events for all known Policy Violation.
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// Two different versions of the same replica set will always have different RVs.
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return
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}
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logger := pc.log.WithValues("kind", curPV.Kind, "namespace", curPV.Namespace, "name", curPV.Name)
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ps := pc.getPolicyForClusterPolicyViolation(curPV)
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if len(ps) == 0 {
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// there is no cluster policy for this violation, so we can delete this cluster policy violation
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logger.V(4).Info("Cluster Policy Violation does not belong to an active policy, will be cleanedup")
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if err := pc.pvControl.DeleteClusterPolicyViolation(curPV.Name); err != nil {
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logger.Error(err, "failed to delete resource")
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return
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}
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logger.V(4).Info("resource deleted")
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return
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}
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logger.V(4).Info("resource updated")
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for _, p := range ps {
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pc.enqueuePolicy(p)
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}
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}
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// deletePolicyViolation enqueues the Policy that manages a PolicyViolation when
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// the PolicyViolation is deleted. obj could be an *kyverno.CusterPolicyViolation, or
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// a DeletionFinalStateUnknown marker item.
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func (pc *PolicyController) deleteClusterPolicyViolation(obj interface{}) {
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logger := pc.log
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pv, ok := obj.(*kyverno.ClusterPolicyViolation)
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// When a delete is dropped, the relist will notice a PolicyViolation in the store not
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// in the list, leading to the insertion of a tombstone object which contains
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// the deleted key/value. Note that this value might be stale. If the PolicyViolation
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// changed labels the new Policy will not be woken up till the periodic resync.
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if !ok {
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tombstone, ok := obj.(cache.DeletedFinalStateUnknown)
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if !ok {
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logger.Info("Couldn't get object from tombstone", "obj", obj)
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return
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}
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pv, ok = tombstone.Obj.(*kyverno.ClusterPolicyViolation)
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if !ok {
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logger.Info("Couldn't get object from tombstone", "obj", obj)
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return
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}
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}
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logger = logger.WithValues("kind", pv.Kind, "namespace", pv.Namespace, "name", pv.Name)
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ps := pc.getPolicyForClusterPolicyViolation(pv)
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if len(ps) == 0 {
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// there is no cluster policy for this violation, so we can delete this cluster policy violation
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logger.V(4).Info("Cluster Policy Violation does not belong to an active policy, will be cleanedup")
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if err := pc.pvControl.DeleteClusterPolicyViolation(pv.Name); err != nil {
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logger.Error(err, "failed to delete resource")
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return
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}
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logger.V(4).Info("resource deleted")
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return
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}
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logger.V(4).Info("resource updated")
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for _, p := range ps {
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pc.enqueuePolicy(p)
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}
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}
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func (pc *PolicyController) getPolicyForClusterPolicyViolation(pv *kyverno.ClusterPolicyViolation) []*kyverno.ClusterPolicy {
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logger := pc.log.WithValues("kind", pv.Kind, "namespace", pv.Namespace, "name", pv.Name)
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policies, err := pc.pLister.GetPolicyForPolicyViolation(pv)
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if err != nil || len(policies) == 0 {
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return nil
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}
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// Because all PolicyViolations's belonging to a Policy should have a unique label key,
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// there should never be more than one Policy returned by the above method.
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// If that happens we should probably dynamically repair the situation by ultimately
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// trying to clean up one of the controllers, for now we just return the older one
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if len(policies) > 1 {
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// ControllerRef will ensure we don't do anything crazy, but more than one
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// item in this list nevertheless constitutes user error.
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logger.V(4).Info("user error! more than one policy is selecting policy violation", "labels", pv.Labels, "policy", policies[0].Name)
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}
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return policies
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}
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func (pc *PolicyController) getClusterPolicyViolationForPolicy(policy string) ([]*kyverno.ClusterPolicyViolation, error) {
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policySelector, err := buildPolicyLabel(policy)
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if err != nil {
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return nil, err
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}
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// Get List of cluster policy violation
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cpvList, err := pc.cpvLister.List(policySelector)
|
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if err != nil {
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return nil, err
|
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}
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return cpvList, nil
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}
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@ -20,7 +20,6 @@ import (
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client "github.com/kyverno/kyverno/pkg/dclient"
|
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"github.com/kyverno/kyverno/pkg/event"
|
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"github.com/kyverno/kyverno/pkg/policyreport"
|
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"github.com/kyverno/kyverno/pkg/policyviolation"
|
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"github.com/kyverno/kyverno/pkg/resourcecache"
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"github.com/kyverno/kyverno/pkg/webhookconfig"
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v1 "k8s.io/api/core/v1"
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@ -54,9 +53,6 @@ type PolicyController struct {
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eventGen event.Interface
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eventRecorder record.EventRecorder
|
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|
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//pvControl is used for adoptin/releasing policy violation
|
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pvControl PVControlInterface
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|
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// Policys that need to be synced
|
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queue workqueue.RateLimitingInterface
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|
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@ -69,12 +65,6 @@ type PolicyController struct {
|
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// grLister can list/get generate request from the shared informer's store
|
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grLister kyvernolister.GenerateRequestLister
|
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|
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// pvLister can list/get policy violation from the shared informer's store
|
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cpvLister kyvernolister.ClusterPolicyViolationLister
|
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|
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// nspvLister can list/get namespaced policy violation from the shared informer's store
|
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nspvLister kyvernolister.PolicyViolationLister
|
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|
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// nsLister can list/get namespacecs from the shared informer's store
|
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nsLister listerv1.NamespaceLister
|
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|
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|
|
@ -101,10 +91,7 @@ type PolicyController struct {
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// helpers to validate against current loaded configuration
|
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configHandler config.Interface
|
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|
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// policy violation generator
|
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pvGenerator policyviolation.GeneratorInterface
|
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|
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// policy violation generator
|
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// policy report generator
|
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prGenerator policyreport.GeneratorInterface
|
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|
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// resourceWebhookWatcher queues the webhook creation request, creates the webhook
|
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|
|
@ -121,11 +108,9 @@ func NewPolicyController(kyvernoClient *kyvernoclient.Clientset,
|
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client *client.Client,
|
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pInformer kyvernoinformer.ClusterPolicyInformer,
|
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npInformer kyvernoinformer.PolicyInformer,
|
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cpvInformer kyvernoinformer.ClusterPolicyViolationInformer,
|
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nspvInformer kyvernoinformer.PolicyViolationInformer,
|
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grInformer kyvernoinformer.GenerateRequestInformer,
|
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configHandler config.Interface, eventGen event.Interface,
|
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pvGenerator policyviolation.GeneratorInterface,
|
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configHandler config.Interface,
|
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eventGen event.Interface,
|
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prGenerator policyreport.GeneratorInterface,
|
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resourceWebhookWatcher *webhookconfig.ResourceWebhookRegister,
|
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namespaces informers.NamespaceInformer,
|
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|
|
@ -148,39 +133,18 @@ func NewPolicyController(kyvernoClient *kyvernoclient.Clientset,
|
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eventRecorder: eventBroadcaster.NewRecorder(scheme.Scheme, v1.EventSource{Component: "policy_controller"}),
|
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queue: workqueue.NewNamedRateLimitingQueue(workqueue.DefaultControllerRateLimiter(), "policy"),
|
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configHandler: configHandler,
|
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pvGenerator: pvGenerator,
|
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prGenerator: prGenerator,
|
||||
resourceWebhookWatcher: resourceWebhookWatcher,
|
||||
log: log,
|
||||
resCache: resCache,
|
||||
}
|
||||
|
||||
pc.pvControl = RealPVControl{Client: kyvernoClient, Recorder: pc.eventRecorder}
|
||||
|
||||
if os.Getenv("POLICY-TYPE") != common.PolicyReport {
|
||||
cpvInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
|
||||
AddFunc: pc.addClusterPolicyViolation,
|
||||
UpdateFunc: pc.updateClusterPolicyViolation,
|
||||
DeleteFunc: pc.deleteClusterPolicyViolation,
|
||||
})
|
||||
|
||||
nspvInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
|
||||
AddFunc: pc.addNamespacedPolicyViolation,
|
||||
UpdateFunc: pc.updateNamespacedPolicyViolation,
|
||||
DeleteFunc: pc.deleteNamespacedPolicyViolation,
|
||||
})
|
||||
pc.cpvLister = cpvInformer.Lister()
|
||||
pc.cpvListerSynced = cpvInformer.Informer().HasSynced
|
||||
pc.nspvLister = nspvInformer.Lister()
|
||||
pc.nspvListerSynced = nspvInformer.Informer().HasSynced
|
||||
}
|
||||
|
||||
pInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
|
||||
AddFunc: pc.addPolicy,
|
||||
UpdateFunc: pc.updatePolicy,
|
||||
DeleteFunc: pc.deletePolicy,
|
||||
})
|
||||
// Policy informer event handler
|
||||
|
||||
npInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
|
||||
AddFunc: pc.addNsPolicy,
|
||||
UpdateFunc: pc.updateNsPolicy,
|
||||
|
|
@ -339,7 +303,7 @@ func (pc *PolicyController) enqueueDeletedRule(old, cur *kyverno.ClusterPolicy)
|
|||
|
||||
for _, rule := range old.Spec.Rules {
|
||||
if !curRule[rule.Name] {
|
||||
pc.pvGenerator.Add(policyviolation.Info{
|
||||
pc.prGenerator.Add(policyreport.Info{
|
||||
PolicyName: cur.GetName(),
|
||||
Rules: []kyverno.ViolatedRule{
|
||||
{Name: rule.Name},
|
||||
|
|
@ -369,12 +333,7 @@ func (pc *PolicyController) Run(workers int, stopCh <-chan struct{}) {
|
|||
logger.Info("starting")
|
||||
defer logger.Info("shutting down")
|
||||
|
||||
cacheSyncs := []cache.InformerSynced{pc.pListerSynced, pc.npListerSynced, pc.nsListerSynced, pc.grListerSynced}
|
||||
if os.Getenv("POLICY-TYPE") == common.PolicyViolation {
|
||||
cacheSyncs = []cache.InformerSynced{pc.pListerSynced, pc.cpvListerSynced, pc.nspvListerSynced, pc.nsListerSynced, pc.grListerSynced}
|
||||
}
|
||||
|
||||
if !cache.WaitForCacheSync(stopCh, cacheSyncs...) {
|
||||
if !cache.WaitForCacheSync(stopCh, pc.pListerSynced, pc.npListerSynced, pc.nsListerSynced, pc.grListerSynced) {
|
||||
logger.Info("failed to sync informer cache")
|
||||
return
|
||||
}
|
||||
|
|
@ -466,13 +425,9 @@ func (pc *PolicyController) syncPolicy(key string) error {
|
|||
}
|
||||
}
|
||||
|
||||
if os.Getenv("POLICY-TYPE") == common.PolicyReport {
|
||||
go pc.removeResultsEntryFromPolicyReport(key)
|
||||
return nil
|
||||
}
|
||||
go pc.deletePolicyViolations(key)
|
||||
return nil
|
||||
}
|
||||
return err
|
||||
}
|
||||
|
||||
|
|
@ -495,94 +450,7 @@ func (pc *PolicyController) syncPolicy(key string) error {
|
|||
}
|
||||
|
||||
func (pc *PolicyController) removeResultsEntryFromPolicyReport(policyName string) {
|
||||
info := policyviolation.Info{
|
||||
pc.prGenerator.Add(policyreport.Info{
|
||||
PolicyName: policyName,
|
||||
}
|
||||
pc.pvGenerator.Add(info)
|
||||
}
|
||||
|
||||
func (pc *PolicyController) deletePolicyViolations(key string) {
|
||||
cpv, err := pc.deleteClusterPolicyViolations(key)
|
||||
if err != nil {
|
||||
pc.log.Error(err, "failed to delete policy violations", "policy", key)
|
||||
}
|
||||
|
||||
npv, err := pc.deleteNamespacedPolicyViolations(key)
|
||||
if err != nil {
|
||||
pc.log.Error(err, "failed to delete policy violations", "policy", key)
|
||||
}
|
||||
|
||||
pc.log.Info("deleted policy violations", "policy", key, "count", cpv+npv)
|
||||
}
|
||||
|
||||
func (pc *PolicyController) deleteClusterPolicyViolations(policy string) (int, error) {
|
||||
cpvList, err := pc.getClusterPolicyViolationForPolicy(policy)
|
||||
if err != nil {
|
||||
return 0, err
|
||||
}
|
||||
|
||||
count := 0
|
||||
for _, cpv := range cpvList {
|
||||
if err := pc.pvControl.DeleteClusterPolicyViolation(cpv.Name); err != nil {
|
||||
pc.log.Error(err, "failed to delete policy violation", "name", cpv.Name)
|
||||
} else {
|
||||
count++
|
||||
}
|
||||
}
|
||||
|
||||
return count, nil
|
||||
}
|
||||
|
||||
func (pc *PolicyController) deleteNamespacedPolicyViolations(policy string) (int, error) {
|
||||
nspvList, err := pc.getNamespacedPolicyViolationForPolicy(policy)
|
||||
if err != nil {
|
||||
return 0, err
|
||||
}
|
||||
|
||||
count := 0
|
||||
for _, nspv := range nspvList {
|
||||
if err := pc.pvControl.DeleteNamespacedPolicyViolation(nspv.Namespace, nspv.Name); err != nil {
|
||||
pc.log.Error(err, "failed to delete policy violation", "name", nspv.Name)
|
||||
} else {
|
||||
count++
|
||||
}
|
||||
}
|
||||
|
||||
return count, nil
|
||||
}
|
||||
|
||||
func (pc *PolicyController) getNamespacedPolicyViolationForPolicy(policy string) ([]*kyverno.PolicyViolation, error) {
|
||||
policySelector, err := buildPolicyLabel(policy)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
// Get List of cluster policy violation
|
||||
nspvList, err := pc.nspvLister.List(policySelector)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return nspvList, nil
|
||||
|
||||
}
|
||||
|
||||
//PVControlInterface provides interface to operate on policy violation resource
|
||||
type PVControlInterface interface {
|
||||
DeleteClusterPolicyViolation(name string) error
|
||||
DeleteNamespacedPolicyViolation(ns, name string) error
|
||||
}
|
||||
|
||||
// RealPVControl is the default implementation of PVControlInterface.
|
||||
type RealPVControl struct {
|
||||
Client kyvernoclient.Interface
|
||||
Recorder record.EventRecorder
|
||||
}
|
||||
|
||||
//DeleteClusterPolicyViolation deletes the policy violation
|
||||
func (r RealPVControl) DeleteClusterPolicyViolation(name string) error {
|
||||
return r.Client.KyvernoV1().ClusterPolicyViolations().Delete(context.TODO(), name, metav1.DeleteOptions{})
|
||||
}
|
||||
|
||||
//DeleteNamespacedPolicyViolation deletes the namespaced policy violation
|
||||
func (r RealPVControl) DeleteNamespacedPolicyViolation(ns, name string) error {
|
||||
return r.Client.KyvernoV1().PolicyViolations(ns).Delete(context.TODO(), name, metav1.DeleteOptions{})
|
||||
})
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,137 +0,0 @@
|
|||
package policy
|
||||
|
||||
import (
|
||||
kyverno "github.com/kyverno/kyverno/pkg/api/kyverno/v1"
|
||||
"k8s.io/apimachinery/pkg/api/errors"
|
||||
cache "k8s.io/client-go/tools/cache"
|
||||
)
|
||||
|
||||
func (pc *PolicyController) addNamespacedPolicyViolation(obj interface{}) {
|
||||
pv := obj.(*kyverno.PolicyViolation)
|
||||
logger := pc.log.WithValues("kind", pv.GetObjectKind(), "namespace", pv.Namespace, "name", pv.Name)
|
||||
|
||||
if pv.DeletionTimestamp != nil {
|
||||
// On a restart of the controller manager, it's possible for an object to
|
||||
// show up in a state that is already pending deletion.
|
||||
pc.deleteNamespacedPolicyViolation(pv)
|
||||
return
|
||||
}
|
||||
|
||||
ps := pc.getPolicyForNamespacedPolicyViolation(pv)
|
||||
|
||||
if len(ps) == 0 {
|
||||
// there is no cluster policy for this violation, so we can delete this cluster policy violation
|
||||
logger.V(4).Info("namespaced policy violation does not belong to an active policy, will be cleaned up")
|
||||
if err := pc.pvControl.DeleteNamespacedPolicyViolation(pv.Namespace, pv.Name); err != nil {
|
||||
logger.Error(err, "failed to delete resource")
|
||||
return
|
||||
}
|
||||
logger.V(4).Info("resource deleted")
|
||||
return
|
||||
}
|
||||
|
||||
logger.V(4).Info("resource added")
|
||||
for _, p := range ps {
|
||||
pc.enqueuePolicy(p)
|
||||
}
|
||||
}
|
||||
|
||||
func (pc *PolicyController) updateNamespacedPolicyViolation(old, cur interface{}) {
|
||||
curPV := cur.(*kyverno.PolicyViolation)
|
||||
oldPV := old.(*kyverno.PolicyViolation)
|
||||
if curPV.ResourceVersion == oldPV.ResourceVersion {
|
||||
// Periodic resync will send update events for all known Policy Violation.
|
||||
// Two different versions of the same replica set will always have different RVs.
|
||||
return
|
||||
}
|
||||
logger := pc.log.WithValues("kind", curPV.Kind, "namespace", curPV.Namespace, "name", curPV.Name)
|
||||
|
||||
ps := pc.getPolicyForNamespacedPolicyViolation(curPV)
|
||||
|
||||
if len(ps) == 0 {
|
||||
// there is no namespaced policy for this violation, so we can delete this cluster policy violation
|
||||
logger.V(4).Info("nameapced policy violation does not belong to an active policy, will be cleanedup")
|
||||
if err := pc.pvControl.DeleteNamespacedPolicyViolation(curPV.Namespace, curPV.Name); err != nil {
|
||||
logger.Error(err, "failed to delete resource")
|
||||
return
|
||||
}
|
||||
logger.V(4).Info("resource deleted")
|
||||
return
|
||||
}
|
||||
logger.V(4).Info("resource updated")
|
||||
for _, p := range ps {
|
||||
pc.enqueuePolicy(p)
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
func (pc *PolicyController) deleteNamespacedPolicyViolation(obj interface{}) {
|
||||
logger := pc.log
|
||||
pv, ok := obj.(*kyverno.PolicyViolation)
|
||||
// When a delete is dropped, the relist will notice a PolicyViolation in the store not
|
||||
// in the list, leading to the insertion of a tombstone object which contains
|
||||
// the deleted key/value. Note that this value might be stale. If the PolicyViolation
|
||||
// changed labels the new Policy will not be woken up till the periodic resync.
|
||||
if !ok {
|
||||
tombstone, ok := obj.(cache.DeletedFinalStateUnknown)
|
||||
if !ok {
|
||||
logger.Info("Couldn't get object from tombstone", "obj", obj)
|
||||
return
|
||||
}
|
||||
pv, ok = tombstone.Obj.(*kyverno.PolicyViolation)
|
||||
if !ok {
|
||||
logger.Info("Couldn't get object from tombstone", "obj", obj)
|
||||
return
|
||||
}
|
||||
}
|
||||
|
||||
logger = logger.WithValues("kind", pv.GetObjectKind(), "namespace", pv.Namespace, "name", pv.Name)
|
||||
ps := pc.getPolicyForNamespacedPolicyViolation(pv)
|
||||
if len(ps) == 0 {
|
||||
// there is no cluster policy for this violation, so we can delete this cluster policy violation
|
||||
logger.V(4).Info("namespaced policy violation does not belong to an active policy, will be cleaned up")
|
||||
if err := pc.pvControl.DeleteNamespacedPolicyViolation(pv.Namespace, pv.Name); err != nil {
|
||||
if !errors.IsNotFound(err) {
|
||||
logger.Error(err, "failed to delete resource")
|
||||
return
|
||||
}
|
||||
}
|
||||
|
||||
logger.V(4).Info("resource deleted")
|
||||
return
|
||||
}
|
||||
|
||||
logger.V(4).Info("resource updated")
|
||||
for _, p := range ps {
|
||||
pc.enqueuePolicy(p)
|
||||
}
|
||||
}
|
||||
|
||||
func (pc *PolicyController) getPolicyForNamespacedPolicyViolation(pv *kyverno.PolicyViolation) []*kyverno.ClusterPolicy {
|
||||
logger := pc.log.WithValues("kind", pv.Kind, "namespace", pv.Namespace, "name", pv.Name)
|
||||
// Check for NamespacePolicies
|
||||
nspol, err := pc.npLister.GetPolicyForPolicyViolation(pv)
|
||||
if err != nil {
|
||||
logger.V(4).Info("missing namespace policy for namespaced policy violation", "reason", err.Error())
|
||||
return nil
|
||||
}
|
||||
if len(nspol) > 0 {
|
||||
return convertPoliciesToClusterPolicies(nspol)
|
||||
}
|
||||
policies, err := pc.pLister.GetPolicyForNamespacedPolicyViolation(pv)
|
||||
|
||||
if err != nil || len(policies) == 0 {
|
||||
logger.V(4).Info("missing policy for namespaced policy violation", "reason", err.Error())
|
||||
return nil
|
||||
}
|
||||
// Because all PolicyViolations's belonging to a Policy should have a unique label key,
|
||||
// there should never be more than one Policy returned by the above method.
|
||||
// If that happens we should probably dynamically repair the situation by ultimately
|
||||
// trying to clean up one of the controllers, for now we just return the older one
|
||||
if len(policies) > 1 {
|
||||
// ControllerRef will ensure we don't do anything crazy, but more than one
|
||||
// item in this list nevertheless constitutes user error.
|
||||
logger.V(4).Info("user error! more than one policy is selecting policy violation", "labels", pv.Labels, "policy", policies[0].Name)
|
||||
}
|
||||
return policies
|
||||
}
|
||||
|
|
@ -2,13 +2,11 @@ package policy
|
|||
|
||||
import (
|
||||
"fmt"
|
||||
"os"
|
||||
|
||||
"github.com/go-logr/logr"
|
||||
"github.com/kyverno/kyverno/pkg/common"
|
||||
"github.com/kyverno/kyverno/pkg/engine/response"
|
||||
"github.com/kyverno/kyverno/pkg/event"
|
||||
"github.com/kyverno/kyverno/pkg/policyviolation"
|
||||
"github.com/kyverno/kyverno/pkg/policyreport"
|
||||
)
|
||||
|
||||
// for each policy-resource response
|
||||
|
|
@ -20,19 +18,12 @@ func (pc *PolicyController) cleanupAndReport(engineResponses []response.EngineRe
|
|||
eventInfos := generateEvents(pc.log, engineResponses)
|
||||
pc.eventGen.Add(eventInfos...)
|
||||
// create policy violation
|
||||
pvInfos := policyviolation.GeneratePVsFromEngineResponse(engineResponses, logger)
|
||||
pvInfos := policyreport.GeneratePRsFromEngineResponse(engineResponses, logger)
|
||||
for i := range pvInfos {
|
||||
pvInfos[i].FromSync = true
|
||||
}
|
||||
|
||||
pc.pvGenerator.Add(pvInfos...)
|
||||
|
||||
// cleanup existing violations if any
|
||||
// if there is any error in clean up, we dont re-queue the resource
|
||||
// it will be re-tried in the next controller cache resync
|
||||
if os.Getenv("POLICY-TYPE") == common.PolicyViolation {
|
||||
pc.cleanUp(engineResponses)
|
||||
}
|
||||
pc.prGenerator.Add(pvInfos...)
|
||||
}
|
||||
|
||||
func generateEvents(log logr.Logger, ers []response.EngineResponse) []event.Info {
|
||||
|
|
|
|||
|
|
@ -1,108 +0,0 @@
|
|||
package policyviolation
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"os"
|
||||
|
||||
"github.com/go-logr/logr"
|
||||
kyverno "github.com/kyverno/kyverno/pkg/api/kyverno/v1"
|
||||
report "github.com/kyverno/kyverno/pkg/api/policyreport/v1alpha1"
|
||||
"github.com/kyverno/kyverno/pkg/common"
|
||||
"github.com/kyverno/kyverno/pkg/engine/response"
|
||||
)
|
||||
|
||||
//GeneratePVsFromEngineResponse generate Violations from engine responses
|
||||
func GeneratePVsFromEngineResponse(ers []response.EngineResponse, log logr.Logger) (pvInfos []Info) {
|
||||
for _, er := range ers {
|
||||
// ignore creation of PV for resources that are yet to be assigned a name
|
||||
if er.PolicyResponse.Resource.Name == "" {
|
||||
log.V(4).Info("resource does no have a name assigned yet, not creating a policy violation", "resource", er.PolicyResponse.Resource)
|
||||
continue
|
||||
}
|
||||
|
||||
// skip when response succeed
|
||||
if os.Getenv("POLICY-TYPE") != common.PolicyReport {
|
||||
if er.IsSuccessful() {
|
||||
continue
|
||||
}
|
||||
}
|
||||
|
||||
// build policy violation info
|
||||
pvInfos = append(pvInfos, buildPVInfo(er))
|
||||
}
|
||||
|
||||
return pvInfos
|
||||
}
|
||||
|
||||
// Builder builds Policy Violation struct
|
||||
// this is base type of namespaced and cluster policy violation
|
||||
type Builder interface {
|
||||
generate(info Info) kyverno.PolicyViolationTemplate
|
||||
build(policy, kind, namespace, name string, rules []kyverno.ViolatedRule) *kyverno.PolicyViolationTemplate
|
||||
}
|
||||
|
||||
type pvBuilder struct{}
|
||||
|
||||
func newPvBuilder() *pvBuilder {
|
||||
return &pvBuilder{}
|
||||
}
|
||||
|
||||
func (pvb *pvBuilder) generate(info Info) kyverno.PolicyViolationTemplate {
|
||||
pv := pvb.build(info.PolicyName, info.Resource.GetKind(), info.Resource.GetNamespace(), info.Resource.GetName(), info.Rules)
|
||||
return *pv
|
||||
}
|
||||
|
||||
func (pvb *pvBuilder) build(policy, kind, namespace, name string, rules []kyverno.ViolatedRule) *kyverno.PolicyViolationTemplate {
|
||||
pv := &kyverno.PolicyViolationTemplate{
|
||||
Spec: kyverno.PolicyViolationSpec{
|
||||
Policy: policy,
|
||||
ResourceSpec: kyverno.ResourceSpec{
|
||||
Kind: kind,
|
||||
Name: name,
|
||||
Namespace: namespace,
|
||||
},
|
||||
ViolatedRules: rules,
|
||||
},
|
||||
}
|
||||
labelMap := map[string]string{
|
||||
"policy": pv.Spec.Policy,
|
||||
"resource": pv.Spec.ToKey(),
|
||||
}
|
||||
pv.SetLabels(labelMap)
|
||||
if namespace != "" {
|
||||
pv.SetNamespace(namespace)
|
||||
}
|
||||
pv.SetGenerateName(fmt.Sprintf("%s-", policy))
|
||||
return pv
|
||||
}
|
||||
|
||||
func buildPVInfo(er response.EngineResponse) Info {
|
||||
info := Info{
|
||||
PolicyName: er.PolicyResponse.Policy,
|
||||
Resource: er.PatchedResource,
|
||||
Rules: buildViolatedRules(er),
|
||||
}
|
||||
return info
|
||||
}
|
||||
|
||||
func buildViolatedRules(er response.EngineResponse) []kyverno.ViolatedRule {
|
||||
var violatedRules []kyverno.ViolatedRule
|
||||
for _, rule := range er.PolicyResponse.Rules {
|
||||
if os.Getenv("POLICY-TYPE") == common.PolicyViolation {
|
||||
if rule.Success {
|
||||
continue
|
||||
}
|
||||
}
|
||||
vrule := kyverno.ViolatedRule{
|
||||
Name: rule.Name,
|
||||
Type: rule.Type,
|
||||
Message: rule.Message,
|
||||
}
|
||||
vrule.Check = report.StatusFail
|
||||
if rule.Success {
|
||||
vrule.Check = report.StatusPass
|
||||
}
|
||||
violatedRules = append(violatedRules, vrule)
|
||||
}
|
||||
return violatedRules
|
||||
}
|
||||
|
|
@ -1,58 +0,0 @@
|
|||
package policyviolation
|
||||
|
||||
import (
|
||||
"testing"
|
||||
|
||||
"github.com/kyverno/kyverno/pkg/engine/response"
|
||||
"gotest.tools/assert"
|
||||
"sigs.k8s.io/controller-runtime/pkg/log"
|
||||
)
|
||||
|
||||
func Test_GeneratePVsFromEngineResponse_PathNotExist(t *testing.T) {
|
||||
ers := []response.EngineResponse{
|
||||
{
|
||||
PolicyResponse: response.PolicyResponse{
|
||||
Policy: "test-substitute-variable",
|
||||
Resource: response.ResourceSpec{
|
||||
Kind: "Pod",
|
||||
Name: "test",
|
||||
Namespace: "test",
|
||||
},
|
||||
Rules: []response.RuleResponse{
|
||||
{
|
||||
Name: "test-path-not-exist",
|
||||
Type: "Mutation",
|
||||
Message: "referenced paths are not present: request.object.metadata.name1",
|
||||
Success: false,
|
||||
},
|
||||
{
|
||||
Name: "test-path-exist",
|
||||
Type: "Mutation",
|
||||
Success: true,
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
PolicyResponse: response.PolicyResponse{
|
||||
Policy: "test-substitute-variable2",
|
||||
Resource: response.ResourceSpec{
|
||||
Kind: "Pod",
|
||||
Name: "test",
|
||||
Namespace: "test",
|
||||
},
|
||||
Rules: []response.RuleResponse{
|
||||
{
|
||||
Name: "test-path-not-exist-across-policy",
|
||||
Type: "Mutation",
|
||||
Message: "referenced paths are not present: request.object.metadata.name1",
|
||||
Success: true,
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
|
||||
pvInfos := GeneratePVsFromEngineResponse(ers, log.Log)
|
||||
assert.Assert(t, len(pvInfos) == 1)
|
||||
}
|
||||
|
|
@ -1,148 +0,0 @@
|
|||
package policyviolation
|
||||
|
||||
import (
|
||||
"context"
|
||||
"fmt"
|
||||
|
||||
"github.com/go-logr/logr"
|
||||
kyverno "github.com/kyverno/kyverno/pkg/api/kyverno/v1"
|
||||
kyvernov1 "github.com/kyverno/kyverno/pkg/client/clientset/versioned/typed/kyverno/v1"
|
||||
kyvernolister "github.com/kyverno/kyverno/pkg/client/listers/kyverno/v1"
|
||||
client "github.com/kyverno/kyverno/pkg/dclient"
|
||||
"github.com/kyverno/kyverno/pkg/policystatus"
|
||||
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
||||
)
|
||||
|
||||
//ClusterPV ...
|
||||
type clusterPV struct {
|
||||
// dynamic client
|
||||
dclient *client.Client
|
||||
// get/list cluster policy violation
|
||||
cpvLister kyvernolister.ClusterPolicyViolationLister
|
||||
// policy violation interface
|
||||
kyvernoInterface kyvernov1.KyvernoV1Interface
|
||||
// logger
|
||||
log logr.Logger
|
||||
// update policy stats with violationCount
|
||||
policyStatusListener policystatus.Listener
|
||||
}
|
||||
|
||||
func newClusterPV(log logr.Logger, dclient *client.Client,
|
||||
cpvLister kyvernolister.ClusterPolicyViolationLister,
|
||||
kyvernoInterface kyvernov1.KyvernoV1Interface,
|
||||
policyStatus policystatus.Listener,
|
||||
) *clusterPV {
|
||||
cpv := clusterPV{
|
||||
dclient: dclient,
|
||||
cpvLister: cpvLister,
|
||||
kyvernoInterface: kyvernoInterface,
|
||||
log: log,
|
||||
policyStatusListener: policyStatus,
|
||||
}
|
||||
return &cpv
|
||||
}
|
||||
|
||||
func (cpv *clusterPV) create(pv kyverno.PolicyViolationTemplate) error {
|
||||
newPv := kyverno.ClusterPolicyViolation(pv)
|
||||
// PV already exists
|
||||
oldPv, err := cpv.getExisting(newPv)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
if oldPv == nil {
|
||||
// create a new policy violation
|
||||
return cpv.createPV(&newPv)
|
||||
}
|
||||
// policy violation exists
|
||||
// skip if there is not change, else update the violation
|
||||
return cpv.updatePV(&newPv, oldPv)
|
||||
}
|
||||
|
||||
func (cpv *clusterPV) getExisting(newPv kyverno.ClusterPolicyViolation) (*kyverno.ClusterPolicyViolation, error) {
|
||||
logger := cpv.log.WithValues("namespace", newPv.Namespace, "name", newPv.Name)
|
||||
var err error
|
||||
// use labels
|
||||
policyLabelmap := map[string]string{"policy": newPv.Spec.Policy, "resource": newPv.Spec.ResourceSpec.ToKey()}
|
||||
ls, err := converLabelToSelector(policyLabelmap)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
pvs, err := cpv.cpvLister.List(ls)
|
||||
if err != nil {
|
||||
logger.Error(err, "failed to list cluster policy violations")
|
||||
return nil, err
|
||||
}
|
||||
|
||||
for _, pv := range pvs {
|
||||
// find a policy on same resource and policy combination
|
||||
if pv.Spec.Policy == newPv.Spec.Policy &&
|
||||
pv.Spec.ResourceSpec.Kind == newPv.Spec.ResourceSpec.Kind &&
|
||||
pv.Spec.ResourceSpec.Name == newPv.Spec.ResourceSpec.Name {
|
||||
return pv, nil
|
||||
}
|
||||
}
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func (cpv *clusterPV) createPV(newPv *kyverno.ClusterPolicyViolation) error {
|
||||
var err error
|
||||
logger := cpv.log.WithValues("policy", newPv.Spec.Policy, "kind", newPv.Spec.ResourceSpec.Kind, "namespace", newPv.Spec.ResourceSpec.Namespace, "name", newPv.Spec.ResourceSpec.Name)
|
||||
logger.V(4).Info("creating new policy violation")
|
||||
obj, err := retryGetResource(cpv.dclient, newPv.Spec.ResourceSpec)
|
||||
if err != nil {
|
||||
return fmt.Errorf("failed to retry getting resource for policy violation %s/%s: %v", newPv.Name, newPv.Spec.Policy, err)
|
||||
}
|
||||
|
||||
if obj.GetDeletionTimestamp() != nil {
|
||||
return nil
|
||||
}
|
||||
|
||||
// set owner reference to resource
|
||||
ownerRef, ok := createOwnerReference(obj)
|
||||
if !ok {
|
||||
return nil
|
||||
}
|
||||
|
||||
newPv.SetOwnerReferences([]metav1.OwnerReference{ownerRef})
|
||||
|
||||
// create resource
|
||||
_, err = cpv.kyvernoInterface.ClusterPolicyViolations().Create(context.TODO(), newPv, metav1.CreateOptions{})
|
||||
if err != nil {
|
||||
logger.Error(err, "failed to create cluster policy violation")
|
||||
return err
|
||||
}
|
||||
|
||||
if newPv.Annotations["fromSync"] != "true" {
|
||||
cpv.policyStatusListener.Send(violationCount{policyName: newPv.Spec.Policy, violatedRules: newPv.Spec.ViolatedRules})
|
||||
}
|
||||
|
||||
logger.Info("cluster policy violation created")
|
||||
return nil
|
||||
}
|
||||
|
||||
func (cpv *clusterPV) updatePV(newPv, oldPv *kyverno.ClusterPolicyViolation) error {
|
||||
logger := cpv.log.WithValues("policy", newPv.Spec.Policy, "kind", newPv.Spec.ResourceSpec.Kind, "namespace", newPv.Spec.ResourceSpec.Namespace, "name", newPv.Spec.ResourceSpec.Name)
|
||||
var err error
|
||||
// check if there is any update
|
||||
if !hasViolationSpecChanged(newPv.Spec.DeepCopy(), oldPv.Spec.DeepCopy()) {
|
||||
logger.V(4).Info("policy violation spec did not change, not upadating the resource")
|
||||
return nil
|
||||
}
|
||||
// set name
|
||||
newPv.SetName(oldPv.Name)
|
||||
newPv.SetResourceVersion(oldPv.ResourceVersion)
|
||||
newPv.SetOwnerReferences(oldPv.GetOwnerReferences())
|
||||
|
||||
// update resource
|
||||
_, err = cpv.kyvernoInterface.ClusterPolicyViolations().Update(context.TODO(), newPv, metav1.UpdateOptions{})
|
||||
if err != nil {
|
||||
return fmt.Errorf("failed to update cluster policy violation: %v", err)
|
||||
}
|
||||
logger.Info("cluster policy violation updated")
|
||||
|
||||
if newPv.Annotations["fromSync"] != "true" {
|
||||
cpv.policyStatusListener.Send(violationCount{policyName: newPv.Spec.Policy, violatedRules: newPv.Spec.ViolatedRules})
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
|
@ -1,130 +0,0 @@
|
|||
package policyviolation
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"reflect"
|
||||
"time"
|
||||
|
||||
backoff "github.com/cenkalti/backoff"
|
||||
kyverno "github.com/kyverno/kyverno/pkg/api/kyverno/v1"
|
||||
v1 "github.com/kyverno/kyverno/pkg/api/kyverno/v1"
|
||||
client "github.com/kyverno/kyverno/pkg/dclient"
|
||||
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
||||
unstructured "k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
|
||||
"k8s.io/apimachinery/pkg/labels"
|
||||
"sigs.k8s.io/controller-runtime/pkg/log"
|
||||
)
|
||||
|
||||
func createOwnerReference(resource *unstructured.Unstructured) (metav1.OwnerReference, bool) {
|
||||
controllerFlag := true
|
||||
blockOwnerDeletionFlag := true
|
||||
|
||||
apiversion := resource.GetAPIVersion()
|
||||
kind := resource.GetKind()
|
||||
name := resource.GetName()
|
||||
uid := resource.GetUID()
|
||||
|
||||
if apiversion == "" || kind == "" || name == "" || uid == "" {
|
||||
return metav1.OwnerReference{}, false
|
||||
}
|
||||
|
||||
ownerRef := metav1.OwnerReference{
|
||||
APIVersion: resource.GetAPIVersion(),
|
||||
Kind: resource.GetKind(),
|
||||
Name: resource.GetName(),
|
||||
UID: resource.GetUID(),
|
||||
Controller: &controllerFlag,
|
||||
BlockOwnerDeletion: &blockOwnerDeletionFlag,
|
||||
}
|
||||
return ownerRef, true
|
||||
}
|
||||
|
||||
func retryGetResource(client *client.Client, rspec kyverno.ResourceSpec) (*unstructured.Unstructured, error) {
|
||||
var i int
|
||||
var obj *unstructured.Unstructured
|
||||
var err error
|
||||
getResource := func() error {
|
||||
obj, err = client.GetResource("", rspec.Kind, rspec.Namespace, rspec.Name)
|
||||
log.Log.V(4).Info(fmt.Sprintf("retry %v getting %s/%s/%s", i, rspec.Kind, rspec.Namespace, rspec.Name))
|
||||
i++
|
||||
return err
|
||||
}
|
||||
|
||||
exbackoff := &backoff.ExponentialBackOff{
|
||||
InitialInterval: 500 * time.Millisecond,
|
||||
RandomizationFactor: 0.5,
|
||||
Multiplier: 1.5,
|
||||
MaxInterval: time.Second,
|
||||
MaxElapsedTime: 3 * time.Second,
|
||||
Clock: backoff.SystemClock,
|
||||
}
|
||||
|
||||
exbackoff.Reset()
|
||||
err = backoff.Retry(getResource, exbackoff)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
return obj, nil
|
||||
}
|
||||
|
||||
func converLabelToSelector(labelMap map[string]string) (labels.Selector, error) {
|
||||
ls := &metav1.LabelSelector{}
|
||||
err := metav1.Convert_Map_string_To_string_To_v1_LabelSelector(&labelMap, ls, nil)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
policyViolationSelector, err := metav1.LabelSelectorAsSelector(ls)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("invalid label selector: %v", err)
|
||||
}
|
||||
|
||||
return policyViolationSelector, nil
|
||||
}
|
||||
|
||||
type violationCount struct {
|
||||
policyName string
|
||||
violatedRules []v1.ViolatedRule
|
||||
}
|
||||
|
||||
func (vc violationCount) PolicyName() string {
|
||||
return vc.policyName
|
||||
}
|
||||
|
||||
func (vc violationCount) UpdateStatus(status kyverno.PolicyStatus) kyverno.PolicyStatus {
|
||||
|
||||
var ruleNameToViolations = make(map[string]int)
|
||||
for _, rule := range vc.violatedRules {
|
||||
ruleNameToViolations[rule.Name]++
|
||||
}
|
||||
|
||||
for i := range status.Rules {
|
||||
status.ViolationCount += ruleNameToViolations[status.Rules[i].Name]
|
||||
status.Rules[i].ViolationCount += ruleNameToViolations[status.Rules[i].Name]
|
||||
}
|
||||
|
||||
return status
|
||||
}
|
||||
|
||||
// hasViolationSpecChanged returns true if oldSpec & newSpec
|
||||
// are identical, exclude message in violated rules
|
||||
func hasViolationSpecChanged(new, old *kyverno.PolicyViolationSpec) bool {
|
||||
if new.Policy != old.Policy {
|
||||
return true
|
||||
}
|
||||
|
||||
if new.ResourceSpec.ToKey() != old.ResourceSpec.ToKey() {
|
||||
return true
|
||||
}
|
||||
|
||||
for i := range new.ViolatedRules {
|
||||
new.ViolatedRules[i].Message = ""
|
||||
}
|
||||
|
||||
for i := range old.ViolatedRules {
|
||||
old.ViolatedRules[i].Message = ""
|
||||
}
|
||||
|
||||
return !reflect.DeepEqual(*new, *old)
|
||||
}
|
||||
|
|
@ -1,285 +0,0 @@
|
|||
package policyviolation
|
||||
|
||||
import (
|
||||
"errors"
|
||||
"os"
|
||||
"reflect"
|
||||
"strconv"
|
||||
"strings"
|
||||
"sync"
|
||||
|
||||
"github.com/go-logr/logr"
|
||||
kyverno "github.com/kyverno/kyverno/pkg/api/kyverno/v1"
|
||||
kyvernoclient "github.com/kyverno/kyverno/pkg/client/clientset/versioned"
|
||||
kyvernov1 "github.com/kyverno/kyverno/pkg/client/clientset/versioned/typed/kyverno/v1"
|
||||
kyvernoinformer "github.com/kyverno/kyverno/pkg/client/informers/externalversions/kyverno/v1"
|
||||
policyreportinformer "github.com/kyverno/kyverno/pkg/client/informers/externalversions/policyreport/v1alpha1"
|
||||
kyvernolister "github.com/kyverno/kyverno/pkg/client/listers/kyverno/v1"
|
||||
"github.com/kyverno/kyverno/pkg/common"
|
||||
"github.com/kyverno/kyverno/pkg/constant"
|
||||
dclient "github.com/kyverno/kyverno/pkg/dclient"
|
||||
"github.com/kyverno/kyverno/pkg/policyreport"
|
||||
"github.com/kyverno/kyverno/pkg/policystatus"
|
||||
unstructured "k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
|
||||
utilruntime "k8s.io/apimachinery/pkg/util/runtime"
|
||||
"k8s.io/apimachinery/pkg/util/wait"
|
||||
"k8s.io/client-go/tools/cache"
|
||||
"k8s.io/client-go/util/workqueue"
|
||||
)
|
||||
|
||||
const workQueueName = "policy-violation-controller"
|
||||
const workQueueRetryLimit = 3
|
||||
|
||||
//Generator creates PV
|
||||
type Generator struct {
|
||||
dclient *dclient.Client
|
||||
kyvernoInterface kyvernov1.KyvernoV1Interface
|
||||
// get/list cluster policy violation
|
||||
cpvLister kyvernolister.ClusterPolicyViolationLister
|
||||
// get/ist namespaced policy violation
|
||||
nspvLister kyvernolister.PolicyViolationLister
|
||||
// returns true if the cluster policy store has been synced at least once
|
||||
pvSynced cache.InformerSynced
|
||||
// returns true if the namespaced cluster policy store has been synced at at least once
|
||||
log logr.Logger
|
||||
nspvSynced cache.InformerSynced
|
||||
queue workqueue.RateLimitingInterface
|
||||
dataStore *dataStore
|
||||
policyStatusListener policystatus.Listener
|
||||
prgen *policyreport.Generator
|
||||
}
|
||||
|
||||
//NewDataStore returns an instance of data store
|
||||
func newDataStore() *dataStore {
|
||||
ds := dataStore{
|
||||
data: make(map[string]Info),
|
||||
}
|
||||
return &ds
|
||||
}
|
||||
|
||||
type dataStore struct {
|
||||
data map[string]Info
|
||||
mu sync.RWMutex
|
||||
}
|
||||
|
||||
func (ds *dataStore) add(keyHash string, info Info) {
|
||||
ds.mu.Lock()
|
||||
defer ds.mu.Unlock()
|
||||
// queue the key hash
|
||||
ds.data[keyHash] = info
|
||||
}
|
||||
|
||||
func (ds *dataStore) lookup(keyHash string) Info {
|
||||
ds.mu.RLock()
|
||||
defer ds.mu.RUnlock()
|
||||
return ds.data[keyHash]
|
||||
}
|
||||
|
||||
func (ds *dataStore) delete(keyHash string) {
|
||||
ds.mu.Lock()
|
||||
defer ds.mu.Unlock()
|
||||
delete(ds.data, keyHash)
|
||||
}
|
||||
|
||||
//Info is a request to create PV
|
||||
type Info struct {
|
||||
PolicyName string
|
||||
Resource unstructured.Unstructured
|
||||
Rules []kyverno.ViolatedRule
|
||||
FromSync bool
|
||||
}
|
||||
|
||||
func (i Info) toKey() string {
|
||||
keys := []string{
|
||||
i.PolicyName,
|
||||
i.Resource.GetKind(),
|
||||
i.Resource.GetNamespace(),
|
||||
i.Resource.GetName(),
|
||||
strconv.Itoa(len(i.Rules)),
|
||||
}
|
||||
return strings.Join(keys, "/")
|
||||
}
|
||||
|
||||
// make the struct hashable
|
||||
|
||||
//GeneratorInterface provides API to create PVs
|
||||
type GeneratorInterface interface {
|
||||
Add(infos ...Info)
|
||||
}
|
||||
|
||||
// NewPVGenerator returns a new instance of policy violation generator
|
||||
func NewPVGenerator(client *kyvernoclient.Clientset,
|
||||
dclient *dclient.Client,
|
||||
pvInformer kyvernoinformer.ClusterPolicyViolationInformer,
|
||||
nspvInformer kyvernoinformer.PolicyViolationInformer,
|
||||
prInformer policyreportinformer.ClusterPolicyReportInformer,
|
||||
nsprInformer policyreportinformer.PolicyReportInformer,
|
||||
policyStatus policystatus.Listener,
|
||||
prgen *policyreport.Generator,
|
||||
log logr.Logger,
|
||||
stopChna <-chan struct{}) *Generator {
|
||||
gen := Generator{
|
||||
kyvernoInterface: client.KyvernoV1(),
|
||||
dclient: dclient,
|
||||
cpvLister: pvInformer.Lister(),
|
||||
pvSynced: pvInformer.Informer().HasSynced,
|
||||
nspvLister: nspvInformer.Lister(),
|
||||
nspvSynced: nspvInformer.Informer().HasSynced,
|
||||
queue: workqueue.NewNamedRateLimitingQueue(workqueue.DefaultControllerRateLimiter(), workQueueName),
|
||||
dataStore: newDataStore(),
|
||||
prgen: prgen,
|
||||
log: log,
|
||||
policyStatusListener: policyStatus,
|
||||
}
|
||||
return &gen
|
||||
}
|
||||
|
||||
func (gen *Generator) enqueue(info Info) {
|
||||
// add to data map
|
||||
keyHash := info.toKey()
|
||||
// add to
|
||||
// queue the key hash
|
||||
gen.dataStore.add(keyHash, info)
|
||||
gen.queue.Add(keyHash)
|
||||
}
|
||||
|
||||
//Add queues a policy violation create request
|
||||
func (gen *Generator) Add(infos ...Info) {
|
||||
if os.Getenv("POLICY-TYPE") == common.PolicyReport {
|
||||
for _, v := range infos {
|
||||
gen.prgen.Add(policyreport.Info(v))
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
for _, info := range infos {
|
||||
gen.enqueue(info)
|
||||
}
|
||||
}
|
||||
|
||||
// Run starts the workers
|
||||
func (gen *Generator) Run(workers int, stopCh <-chan struct{}) {
|
||||
logger := gen.log
|
||||
defer utilruntime.HandleCrash()
|
||||
logger.Info("start")
|
||||
defer logger.Info("shutting down")
|
||||
|
||||
if !cache.WaitForCacheSync(stopCh, gen.pvSynced, gen.nspvSynced) {
|
||||
logger.Info("failed to sync informer cache")
|
||||
}
|
||||
|
||||
for i := 0; i < workers; i++ {
|
||||
go wait.Until(gen.runWorker, constant.PolicyViolationControllerResync, stopCh)
|
||||
}
|
||||
<-stopCh
|
||||
}
|
||||
|
||||
func (gen *Generator) runWorker() {
|
||||
for gen.processNextWorkItem() {
|
||||
}
|
||||
}
|
||||
|
||||
func (gen *Generator) handleErr(err error, key interface{}) {
|
||||
logger := gen.log
|
||||
if err == nil {
|
||||
gen.queue.Forget(key)
|
||||
return
|
||||
}
|
||||
|
||||
// retires requests if there is error
|
||||
if gen.queue.NumRequeues(key) < workQueueRetryLimit {
|
||||
logger.Error(err, "failed to sync policy violation", "key", key)
|
||||
// Re-enqueue the key rate limited. Based on the rate limiter on the
|
||||
// queue and the re-enqueue history, the key will be processed later again.
|
||||
gen.queue.AddRateLimited(key)
|
||||
return
|
||||
}
|
||||
gen.queue.Forget(key)
|
||||
// remove from data store
|
||||
if keyHash, ok := key.(string); ok {
|
||||
gen.dataStore.delete(keyHash)
|
||||
}
|
||||
logger.Error(err, "dropping key out of the queue", "key", key)
|
||||
}
|
||||
|
||||
func (gen *Generator) processNextWorkItem() bool {
|
||||
logger := gen.log
|
||||
obj, shutdown := gen.queue.Get()
|
||||
if shutdown {
|
||||
return false
|
||||
}
|
||||
|
||||
err := func(obj interface{}) error {
|
||||
defer gen.queue.Done(obj)
|
||||
var keyHash string
|
||||
var ok bool
|
||||
|
||||
if keyHash, ok = obj.(string); !ok {
|
||||
gen.queue.Forget(obj)
|
||||
logger.Info("incorrect type; expecting type 'string'", "obj", obj)
|
||||
return nil
|
||||
}
|
||||
|
||||
// lookup data store
|
||||
info := gen.dataStore.lookup(keyHash)
|
||||
if reflect.DeepEqual(info, Info{}) {
|
||||
// empty key
|
||||
gen.queue.Forget(obj)
|
||||
logger.Info("empty key")
|
||||
return nil
|
||||
}
|
||||
|
||||
err := gen.syncHandler(info)
|
||||
gen.handleErr(err, obj)
|
||||
return nil
|
||||
}(obj)
|
||||
|
||||
if err != nil {
|
||||
logger.Error(err, "failed to process item")
|
||||
return true
|
||||
}
|
||||
|
||||
return true
|
||||
}
|
||||
|
||||
func (gen *Generator) syncHandler(info Info) error {
|
||||
var handler pvGenerator
|
||||
|
||||
logger := gen.log
|
||||
builder := newPvBuilder()
|
||||
if info.Resource.GetNamespace() == "" {
|
||||
// cluster scope resource generate a clusterpolicy violation
|
||||
handler = newClusterPV(gen.log.WithName("ClusterPV"), gen.dclient, gen.cpvLister, gen.kyvernoInterface, gen.policyStatusListener)
|
||||
} else {
|
||||
// namespaced resources generated a namespaced policy violation in the namespace of the resource
|
||||
handler = newNamespacedPV(gen.log.WithName("NamespacedPV"), gen.dclient, gen.nspvLister, gen.kyvernoInterface, gen.policyStatusListener)
|
||||
}
|
||||
|
||||
failure := false
|
||||
pv := builder.generate(info)
|
||||
|
||||
if info.FromSync {
|
||||
pv.Annotations = map[string]string{
|
||||
"fromSync": "true",
|
||||
}
|
||||
}
|
||||
|
||||
// Create Policy Violations
|
||||
logger.V(4).Info("creating policy violation", "key", info.toKey())
|
||||
if err := handler.create(pv); err != nil {
|
||||
failure = true
|
||||
logger.Error(err, "failed to create policy violation")
|
||||
}
|
||||
|
||||
if failure {
|
||||
// even if there is a single failure we requeue the request
|
||||
return errors.New("Failed to process some policy violations, re-queuing")
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// Provides an interface to generate policy violations
|
||||
// implementations for namespaced and cluster PV
|
||||
type pvGenerator interface {
|
||||
create(policyViolation kyverno.PolicyViolationTemplate) error
|
||||
}
|
||||
|
|
@ -1,145 +0,0 @@
|
|||
package policyviolation
|
||||
|
||||
import (
|
||||
"context"
|
||||
"fmt"
|
||||
|
||||
"github.com/go-logr/logr"
|
||||
kyverno "github.com/kyverno/kyverno/pkg/api/kyverno/v1"
|
||||
kyvernov1 "github.com/kyverno/kyverno/pkg/client/clientset/versioned/typed/kyverno/v1"
|
||||
kyvernolister "github.com/kyverno/kyverno/pkg/client/listers/kyverno/v1"
|
||||
client "github.com/kyverno/kyverno/pkg/dclient"
|
||||
"github.com/kyverno/kyverno/pkg/policystatus"
|
||||
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
||||
)
|
||||
|
||||
//NamespacedPV ...
|
||||
type namespacedPV struct {
|
||||
// dynamic client
|
||||
dclient *client.Client
|
||||
// get/list namespaced policy violation
|
||||
nspvLister kyvernolister.PolicyViolationLister
|
||||
// policy violation interface
|
||||
kyvernoInterface kyvernov1.KyvernoV1Interface
|
||||
// logger
|
||||
log logr.Logger
|
||||
// update policy status with violationCount
|
||||
policyStatusListener policystatus.Listener
|
||||
}
|
||||
|
||||
func newNamespacedPV(log logr.Logger, dclient *client.Client,
|
||||
nspvLister kyvernolister.PolicyViolationLister,
|
||||
kyvernoInterface kyvernov1.KyvernoV1Interface,
|
||||
policyStatus policystatus.Listener,
|
||||
) *namespacedPV {
|
||||
nspv := namespacedPV{
|
||||
dclient: dclient,
|
||||
nspvLister: nspvLister,
|
||||
kyvernoInterface: kyvernoInterface,
|
||||
log: log,
|
||||
policyStatusListener: policyStatus,
|
||||
}
|
||||
return &nspv
|
||||
}
|
||||
|
||||
func (nspv *namespacedPV) create(pv kyverno.PolicyViolationTemplate) error {
|
||||
newPv := kyverno.PolicyViolation(pv)
|
||||
// PV already exists
|
||||
oldPv, err := nspv.getExisting(newPv)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
if oldPv == nil {
|
||||
// create a new policy violation
|
||||
return nspv.createPV(&newPv)
|
||||
}
|
||||
// policy violation exists
|
||||
// skip if there is not change, else update the violation
|
||||
return nspv.updatePV(&newPv, oldPv)
|
||||
}
|
||||
|
||||
func (nspv *namespacedPV) getExisting(newPv kyverno.PolicyViolation) (*kyverno.PolicyViolation, error) {
|
||||
logger := nspv.log.WithValues("namespace", newPv.Namespace, "name", newPv.Name)
|
||||
var err error
|
||||
// use labels
|
||||
policyLabelmap := map[string]string{"policy": newPv.Spec.Policy, "resource": newPv.Spec.ResourceSpec.ToKey()}
|
||||
ls, err := converLabelToSelector(policyLabelmap)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
pvs, err := nspv.nspvLister.PolicyViolations(newPv.GetNamespace()).List(ls)
|
||||
if err != nil {
|
||||
logger.Error(err, "failed to list namespaced policy violations")
|
||||
return nil, err
|
||||
}
|
||||
|
||||
for _, pv := range pvs {
|
||||
// find a policy on same resource and policy combination
|
||||
if pv.Spec.Policy == newPv.Spec.Policy &&
|
||||
pv.Spec.ResourceSpec.Kind == newPv.Spec.ResourceSpec.Kind &&
|
||||
pv.Spec.ResourceSpec.Name == newPv.Spec.ResourceSpec.Name {
|
||||
return pv, nil
|
||||
}
|
||||
}
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func (nspv *namespacedPV) createPV(newPv *kyverno.PolicyViolation) error {
|
||||
var err error
|
||||
logger := nspv.log.WithValues("policy", newPv.Spec.Policy, "kind", newPv.Spec.ResourceSpec.Kind, "namespace", newPv.Spec.ResourceSpec.Namespace, "name", newPv.Spec.ResourceSpec.Name)
|
||||
logger.V(4).Info("creating new policy violation")
|
||||
obj, err := retryGetResource(nspv.dclient, newPv.Spec.ResourceSpec)
|
||||
if err != nil {
|
||||
return fmt.Errorf("failed to retry getting resource for policy violation %s/%s: %v", newPv.Name, newPv.Spec.Policy, err)
|
||||
}
|
||||
|
||||
if obj.GetDeletionTimestamp() != nil {
|
||||
return nil
|
||||
}
|
||||
|
||||
// set owner reference to resource
|
||||
ownerRef, ok := createOwnerReference(obj)
|
||||
if !ok {
|
||||
return nil
|
||||
}
|
||||
|
||||
newPv.SetOwnerReferences([]metav1.OwnerReference{ownerRef})
|
||||
|
||||
// create resource
|
||||
_, err = nspv.kyvernoInterface.PolicyViolations(newPv.GetNamespace()).Create(context.TODO(), newPv, metav1.CreateOptions{})
|
||||
if err != nil {
|
||||
logger.Error(err, "failed to create namespaced policy violation")
|
||||
return err
|
||||
}
|
||||
|
||||
if newPv.Annotations["fromSync"] != "true" {
|
||||
nspv.policyStatusListener.Send(violationCount{policyName: newPv.Spec.Policy, violatedRules: newPv.Spec.ViolatedRules})
|
||||
}
|
||||
logger.Info("namespaced policy violation created")
|
||||
return nil
|
||||
}
|
||||
|
||||
func (nspv *namespacedPV) updatePV(newPv, oldPv *kyverno.PolicyViolation) error {
|
||||
logger := nspv.log.WithValues("policy", newPv.Spec.Policy, "kind", newPv.Spec.ResourceSpec.Kind, "namespace", newPv.Spec.ResourceSpec.Namespace, "name", newPv.Spec.ResourceSpec.Name)
|
||||
var err error
|
||||
// check if there is any update
|
||||
if !hasViolationSpecChanged(newPv.Spec.DeepCopy(), oldPv.Spec.DeepCopy()) {
|
||||
logger.V(4).Info("policy violation spec did not change, not upadating the resource")
|
||||
return nil
|
||||
}
|
||||
// set name
|
||||
newPv.SetName(oldPv.Name)
|
||||
newPv.SetResourceVersion(oldPv.ResourceVersion)
|
||||
newPv.SetOwnerReferences(oldPv.GetOwnerReferences())
|
||||
// update resource
|
||||
_, err = nspv.kyvernoInterface.PolicyViolations(newPv.GetNamespace()).Update(context.TODO(), newPv, metav1.UpdateOptions{})
|
||||
if err != nil {
|
||||
return fmt.Errorf("failed to update namespaced policy violation: %v", err)
|
||||
}
|
||||
|
||||
if newPv.Annotations["fromSync"] != "true" {
|
||||
nspv.policyStatusListener.Send(violationCount{policyName: newPv.Spec.Policy, violatedRules: newPv.Spec.ViolatedRules})
|
||||
}
|
||||
logger.Info("namespaced policy violation updated")
|
||||
return nil
|
||||
}
|
||||
|
|
@ -1,74 +0,0 @@
|
|||
package policyviolation
|
||||
|
||||
import (
|
||||
"encoding/json"
|
||||
"reflect"
|
||||
"testing"
|
||||
|
||||
v1 "github.com/kyverno/kyverno/pkg/api/kyverno/v1"
|
||||
)
|
||||
|
||||
func Test_Stats(t *testing.T) {
|
||||
testCase := struct {
|
||||
violationCountStats []struct {
|
||||
policyName string
|
||||
violatedRules []v1.ViolatedRule
|
||||
}
|
||||
expectedOutput []byte
|
||||
existingCache map[string]v1.PolicyStatus
|
||||
}{
|
||||
existingCache: map[string]v1.PolicyStatus{
|
||||
"policy1": {
|
||||
Rules: []v1.RuleStats{
|
||||
{
|
||||
Name: "rule4",
|
||||
},
|
||||
},
|
||||
},
|
||||
"policy2": {
|
||||
Rules: []v1.RuleStats{
|
||||
{
|
||||
Name: "rule4",
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
expectedOutput: []byte(`{"policy1":{"violationCount":1,"ruleStatus":[{"ruleName":"rule4","violationCount":1}]},"policy2":{"violationCount":1,"ruleStatus":[{"ruleName":"rule4","violationCount":1}]}}`),
|
||||
violationCountStats: []struct {
|
||||
policyName string
|
||||
violatedRules []v1.ViolatedRule
|
||||
}{
|
||||
{
|
||||
policyName: "policy1",
|
||||
violatedRules: []v1.ViolatedRule{
|
||||
{
|
||||
Name: "rule4",
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
policyName: "policy2",
|
||||
violatedRules: []v1.ViolatedRule{
|
||||
{
|
||||
Name: "rule4",
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
|
||||
policyNameToStatus := testCase.existingCache
|
||||
|
||||
for _, violationCountStat := range testCase.violationCountStats {
|
||||
receiver := &violationCount{
|
||||
policyName: violationCountStat.policyName,
|
||||
violatedRules: violationCountStat.violatedRules,
|
||||
}
|
||||
policyNameToStatus[receiver.PolicyName()] = receiver.UpdateStatus(policyNameToStatus[receiver.PolicyName()])
|
||||
}
|
||||
|
||||
output, _ := json.Marshal(policyNameToStatus)
|
||||
if !reflect.DeepEqual(output, testCase.expectedOutput) {
|
||||
t.Errorf("\n\nTestcase has failed\nExpected:\n%v\nGot:\n%v\n\n", string(testCase.expectedOutput), string(output))
|
||||
}
|
||||
}
|
||||
|
|
@ -11,7 +11,6 @@ import (
|
|||
"github.com/kyverno/kyverno/pkg/engine/context"
|
||||
"github.com/kyverno/kyverno/pkg/engine/response"
|
||||
engineutils "github.com/kyverno/kyverno/pkg/engine/utils"
|
||||
"github.com/kyverno/kyverno/pkg/policyviolation"
|
||||
v1beta1 "k8s.io/api/admission/v1beta1"
|
||||
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
|
||||
)
|
||||
|
|
@ -87,11 +86,6 @@ func (ws *WebhookServer) HandleMutation(
|
|||
patches = append(patches, annPatches)
|
||||
}
|
||||
|
||||
// AUDIT
|
||||
// generate violation when response fails
|
||||
pvInfos := policyviolation.GeneratePVsFromEngineResponse(engineResponses, logger)
|
||||
ws.pvGenerator.Add(pvInfos...)
|
||||
|
||||
// REPORTING EVENTS
|
||||
// Scenario 1:
|
||||
// some/all policies failed to apply on the resource. a policy violation is generated.
|
||||
|
|
|
|||
|
|
@ -26,7 +26,6 @@ import (
|
|||
"github.com/kyverno/kyverno/pkg/policycache"
|
||||
"github.com/kyverno/kyverno/pkg/policyreport"
|
||||
"github.com/kyverno/kyverno/pkg/policystatus"
|
||||
"github.com/kyverno/kyverno/pkg/policyviolation"
|
||||
"github.com/kyverno/kyverno/pkg/resourcecache"
|
||||
tlsutils "github.com/kyverno/kyverno/pkg/tls"
|
||||
userinfo "github.com/kyverno/kyverno/pkg/userinfo"
|
||||
|
|
@ -98,9 +97,6 @@ type WebhookServer struct {
|
|||
// last request time
|
||||
lastReqTime *checker.LastReqTime
|
||||
|
||||
// policy violation generator
|
||||
pvGenerator policyviolation.GeneratorInterface
|
||||
|
||||
// policy report generator
|
||||
prGenerator policyreport.GeneratorInterface
|
||||
|
||||
|
|
@ -136,7 +132,6 @@ func NewWebhookServer(
|
|||
webhookRegistrationClient *webhookconfig.WebhookRegistrationClient,
|
||||
statusSync policystatus.Listener,
|
||||
configHandler config.Interface,
|
||||
pvGenerator policyviolation.GeneratorInterface,
|
||||
prGenerator policyreport.GeneratorInterface,
|
||||
grGenerator *generate.Generator,
|
||||
resourceWebhookWatcher *webhookconfig.ResourceWebhookRegister,
|
||||
|
|
@ -180,7 +175,6 @@ func NewWebhookServer(
|
|||
configHandler: configHandler,
|
||||
cleanUp: cleanUp,
|
||||
lastReqTime: resourceWebhookWatcher.LastReqTime,
|
||||
pvGenerator: pvGenerator,
|
||||
prGenerator: prGenerator,
|
||||
grGenerator: grGenerator,
|
||||
resourceWebhookWatcher: resourceWebhookWatcher,
|
||||
|
|
@ -358,7 +352,7 @@ func (ws *WebhookServer) ResourceMutation(request *v1beta1.AdmissionRequest) *v1
|
|||
ws.auditHandler.Add(request.DeepCopy())
|
||||
|
||||
// VALIDATION
|
||||
ok, msg := HandleValidation(request, validatePolicies, nil, ctx, userRequestInfo, ws.statusListener, ws.eventGen, ws.pvGenerator, ws.prGenerator, ws.log, ws.configHandler, ws.resCache)
|
||||
ok, msg := HandleValidation(request, validatePolicies, nil, ctx, userRequestInfo, ws.statusListener, ws.eventGen, ws.prGenerator, ws.log, ws.configHandler, ws.resCache)
|
||||
if !ok {
|
||||
logger.Info("admission request denied")
|
||||
return &v1beta1.AdmissionResponse{
|
||||
|
|
@ -484,7 +478,7 @@ func (ws *WebhookServer) resourceValidation(request *v1beta1.AdmissionRequest) *
|
|||
logger.Error(err, "failed to load service account in context")
|
||||
}
|
||||
|
||||
ok, msg := HandleValidation(request, policies, nil, ctx, userRequestInfo, ws.statusListener, ws.eventGen, ws.pvGenerator, ws.prGenerator, ws.log, ws.configHandler, ws.resCache)
|
||||
ok, msg := HandleValidation(request, policies, nil, ctx, userRequestInfo, ws.statusListener, ws.eventGen, ws.prGenerator, ws.log, ws.configHandler, ws.resCache)
|
||||
if !ok {
|
||||
logger.Info("admission request denied")
|
||||
return &v1beta1.AdmissionResponse{
|
||||
|
|
@ -511,7 +505,7 @@ func (ws *WebhookServer) RunAsync(stopCh <-chan struct{}) {
|
|||
logger.Info("failed to sync informer cache")
|
||||
}
|
||||
|
||||
go func () {
|
||||
go func() {
|
||||
logger.V(3).Info("started serving requests", "addr", ws.server.Addr)
|
||||
if err := ws.server.ListenAndServeTLS("", ""); err != http.ErrServerClosed {
|
||||
logger.Error(err, "failed to listen to requests")
|
||||
|
|
|
|||
|
|
@ -11,7 +11,6 @@ import (
|
|||
"github.com/kyverno/kyverno/pkg/policycache"
|
||||
"github.com/kyverno/kyverno/pkg/policyreport"
|
||||
"github.com/kyverno/kyverno/pkg/policystatus"
|
||||
"github.com/kyverno/kyverno/pkg/policyviolation"
|
||||
"github.com/kyverno/kyverno/pkg/resourcecache"
|
||||
"github.com/kyverno/kyverno/pkg/userinfo"
|
||||
"github.com/minio/minio/cmd/logger"
|
||||
|
|
@ -45,7 +44,6 @@ type auditHandler struct {
|
|||
pCache policycache.Interface
|
||||
eventGen event.Interface
|
||||
statusListener policystatus.Listener
|
||||
pvGenerator policyviolation.GeneratorInterface
|
||||
prGenerator policyreport.GeneratorInterface
|
||||
|
||||
rbLister rbaclister.RoleBindingLister
|
||||
|
|
@ -62,7 +60,6 @@ type auditHandler struct {
|
|||
func NewValidateAuditHandler(pCache policycache.Interface,
|
||||
eventGen event.Interface,
|
||||
statusListener policystatus.Listener,
|
||||
pvGenerator policyviolation.GeneratorInterface,
|
||||
prGenerator policyreport.GeneratorInterface,
|
||||
rbInformer rbacinformer.RoleBindingInformer,
|
||||
crbInformer rbacinformer.ClusterRoleBindingInformer,
|
||||
|
|
@ -75,7 +72,6 @@ func NewValidateAuditHandler(pCache policycache.Interface,
|
|||
queue: workqueue.NewNamedRateLimitingQueue(workqueue.DefaultControllerRateLimiter(), workQueueName),
|
||||
eventGen: eventGen,
|
||||
statusListener: statusListener,
|
||||
pvGenerator: pvGenerator,
|
||||
rbLister: rbInformer.Lister(),
|
||||
rbSynced: rbInformer.Informer().HasSynced,
|
||||
crbLister: crbInformer.Lister(),
|
||||
|
|
@ -175,7 +171,7 @@ func (h *auditHandler) process(request *v1beta1.AdmissionRequest) error {
|
|||
return errors.Wrap(err, "failed to load service account in context")
|
||||
}
|
||||
|
||||
HandleValidation(request, policies, nil, ctx, userRequestInfo, h.statusListener, h.eventGen, h.pvGenerator, h.prGenerator, logger, h.configHandler, h.resCache)
|
||||
HandleValidation(request, policies, nil, ctx, userRequestInfo, h.statusListener, h.eventGen, h.prGenerator, logger, h.configHandler, h.resCache)
|
||||
return nil
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -17,7 +17,6 @@ import (
|
|||
"github.com/kyverno/kyverno/pkg/event"
|
||||
"github.com/kyverno/kyverno/pkg/policyreport"
|
||||
"github.com/kyverno/kyverno/pkg/policystatus"
|
||||
"github.com/kyverno/kyverno/pkg/policyviolation"
|
||||
"github.com/kyverno/kyverno/pkg/resourcecache"
|
||||
"github.com/kyverno/kyverno/pkg/utils"
|
||||
v1beta1 "k8s.io/api/admission/v1beta1"
|
||||
|
|
@ -36,7 +35,6 @@ func HandleValidation(
|
|||
userRequestInfo kyverno.RequestInfo,
|
||||
statusListener policystatus.Listener,
|
||||
eventGen event.Interface,
|
||||
pvGenerator policyviolation.GeneratorInterface,
|
||||
prGenerator policyreport.GeneratorInterface,
|
||||
log logr.Logger,
|
||||
dynamicConfig config.Interface,
|
||||
|
|
@ -125,14 +123,12 @@ func HandleValidation(
|
|||
return false, getEnforceFailureErrorMsg(engineResponses)
|
||||
}
|
||||
|
||||
// ADD POLICY VIOLATIONS
|
||||
// violations are created with resource on "audit"
|
||||
pvInfos := policyviolation.GeneratePVsFromEngineResponse(engineResponses, logger)
|
||||
pvGenerator.Add(pvInfos...)
|
||||
prInfos := policyreport.GeneratePRsFromEngineResponse(engineResponses, logger)
|
||||
prGenerator.Add(prInfos...)
|
||||
|
||||
if os.Getenv("POLICY-TYPE") == common.PolicyReport {
|
||||
if request.Operation == v1beta1.Delete {
|
||||
pvGenerator.Add(policyviolation.Info{
|
||||
prGenerator.Add(policyreport.Info{
|
||||
Resource: unstructured.Unstructured{
|
||||
Object: map[string]interface{}{
|
||||
"kind": oldR.GetKind(),
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue