mirror of
https://github.com/ceph/ceph-csi.git
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e3bf375035
update kubernetes to latest v1.25.0 release. Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
83 lines
1.9 KiB
Go
83 lines
1.9 KiB
Go
/*
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Copyright 2021 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 policy
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import (
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"strings"
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corev1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/pod-security-admission/api"
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)
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/*
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Sharing the host network, PID, and IPC namespaces must be disallowed.
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**Restricted Fields:**
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spec.hostNetwork
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spec.hostPID
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spec.hostIPC
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**Allowed Values:** undefined, false
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*/
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func init() {
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addCheck(CheckHostNamespaces)
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}
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// CheckHostNamespaces returns a baseline level check
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// that prohibits host namespaces in 1.0+
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func CheckHostNamespaces() Check {
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return Check{
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ID: "hostNamespaces",
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Level: api.LevelBaseline,
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Versions: []VersionedCheck{
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{
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MinimumVersion: api.MajorMinorVersion(1, 0),
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CheckPod: hostNamespaces_1_0,
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},
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},
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}
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}
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func hostNamespaces_1_0(podMetadata *metav1.ObjectMeta, podSpec *corev1.PodSpec) CheckResult {
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var hostNamespaces []string
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if podSpec.HostNetwork {
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hostNamespaces = append(hostNamespaces, "hostNetwork=true")
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}
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if podSpec.HostPID {
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hostNamespaces = append(hostNamespaces, "hostPID=true")
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}
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if podSpec.HostIPC {
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hostNamespaces = append(hostNamespaces, "hostIPC=true")
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}
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if len(hostNamespaces) > 0 {
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return CheckResult{
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Allowed: false,
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ForbiddenReason: "host namespaces",
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ForbiddenDetail: strings.Join(hostNamespaces, ", "),
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}
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}
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return CheckResult{Allowed: true}
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}
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