/
predicates.go
108 lines (94 loc) · 3.02 KB
/
predicates.go
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package controllers
import (
"regexp"
batchv1 "k8s.io/api/batch/v1"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime/schema"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/event"
"sigs.k8s.io/controller-runtime/pkg/predicate"
stasv1alpha1 "github.com/statnett/image-scanner-operator/api/v1alpha1"
)
var systemNamespaceRegex = regexp.MustCompile("^(kube-|openshift-).*")
var systemNamespace = predicate.NewPredicateFuncs(func(object client.Object) bool {
return systemNamespaceRegex.MatchString(object.GetNamespace())
})
func podContainerStatusImagesChanged() predicate.Predicate {
return predicate.Funcs{
CreateFunc: func(e event.CreateEvent) bool {
pod := e.Object.(*corev1.Pod)
return len(pod.Status.ContainerStatuses) > 0
},
UpdateFunc: func(e event.UpdateEvent) bool {
pod1 := e.ObjectOld.(*corev1.Pod)
pod2 := e.ObjectNew.(*corev1.Pod)
if len(pod1.Status.ContainerStatuses) != len(pod2.Status.ContainerStatuses) {
return true
}
for i := 0; i < len(pod1.Status.ContainerStatuses); i++ {
cs1 := pod1.Status.ContainerStatuses[i]
cs2 := pod2.Status.ContainerStatuses[i]
if cs1.Image != cs2.Image {
return true
}
if cs1.ImageID != cs2.ImageID {
return true
}
}
return false
},
}
}
func ignoreCreationPredicate() predicate.Predicate {
return predicate.Funcs{
CreateFunc: func(e event.CreateEvent) bool {
return false
},
}
}
func ignoreDeletionPredicate() predicate.Predicate {
return predicate.Funcs{
DeleteFunc: func(e event.DeleteEvent) bool {
return false
},
}
}
var noController = predicate.NewPredicateFuncs(func(object client.Object) bool {
return metav1.GetControllerOf(object) == nil
})
func controllerInKinds(groupKinds ...schema.GroupKind) predicate.Predicate {
return predicate.NewPredicateFuncs(func(object client.Object) bool {
controller := metav1.GetControllerOf(object)
if controller != nil {
controllerGV, err := schema.ParseGroupVersion(controller.APIVersion)
if err != nil {
return false
}
for _, groupKind := range groupKinds {
if controller.Kind == groupKind.Kind && controllerGV.Group == groupKind.Group {
return true
}
}
}
return false
})
}
func inNamespacePredicate(namespace string) predicate.Predicate {
return predicate.NewPredicateFuncs(func(object client.Object) bool {
return object.GetNamespace() == namespace
})
}
var managedByImageScanner = predicate.NewPredicateFuncs(func(object client.Object) bool {
if managedBy, ok := object.GetLabels()[stasv1alpha1.LabelK8SAppManagedBy]; ok {
return managedBy == stasv1alpha1.AppNameImageScanner
}
return false
})
var jobIsFinished = predicate.NewPredicateFuncs(func(object client.Object) bool {
job := object.(*batchv1.Job)
return job.Status.Succeeded > 0 || job.Status.Failed > 0
})
var cisVulnerabilityOverflow = predicate.NewPredicateFuncs(func(object client.Object) bool {
return object.(*stasv1alpha1.ContainerImageScan).HasVulnerabilityOverflow()
})