70 lines
2.2 KiB
Go
70 lines
2.2 KiB
Go
/*
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Copyright 2022 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package cmd
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import (
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"context"
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"strings"
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v1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/fields"
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psaApi "k8s.io/pod-security-admission/api"
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)
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func IgnoreNamespaceSelector(field string) string {
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ignoredNamespaces := []string{"kube-system", "kube-public", "kube-node-lease"}
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selectors := make([]fields.Selector, 0)
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for _, n := range ignoredNamespaces {
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selectors = append(selectors, fields.OneTermNotEqualSelector(field, n))
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}
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return fields.AndSelectors(selectors...).String()
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}
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func GetPods() (*v1.PodList, error) {
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listOptions := metav1.ListOptions{FieldSelector: IgnoreNamespaceSelector("metadata.namespace")}
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pods, err := clientset.CoreV1().Pods("").List(context.TODO(), listOptions)
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return pods, err
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}
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func GetPodsByNamespace(namespace string) (*v1.PodList, error) {
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listOptions := metav1.ListOptions{}
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pods, err := clientset.CoreV1().Pods(namespace).List(context.TODO(), listOptions)
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return pods, err
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}
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func GetNamespaces() (*v1.NamespaceList, error) {
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listOptions := metav1.ListOptions{FieldSelector: IgnoreNamespaceSelector("metadata.name")}
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namespaces, err := clientset.CoreV1().Namespaces().List(context.TODO(), listOptions)
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return namespaces, err
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}
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func ApplyPSSLevel(namespace *v1.Namespace, level psaApi.Level, control string) error {
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namespace.Labels["pod-security.kubernetes.io/"+control] = string(level)
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_, err := clientset.CoreV1().Namespaces().Update(context.TODO(), namespace, metav1.UpdateOptions{})
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return err
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}
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func NamespaceHasPSALabels(namespace *v1.Namespace) bool {
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for k, _ := range namespace.Labels {
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if strings.HasPrefix(k, "pod-security.kubernetes.io") {
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return true
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}
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}
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return false
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}
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