mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-30 02:00:19 +00:00
e3bf375035
update kubernetes to latest v1.25.0 release. Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
172 lines
4.5 KiB
Go
172 lines
4.5 KiB
Go
/*
|
|
Copyright 2021 The Kubernetes Authors.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package policy
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
corev1 "k8s.io/api/core/v1"
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
"k8s.io/apimachinery/pkg/util/sets"
|
|
"k8s.io/pod-security-admission/api"
|
|
)
|
|
|
|
/*
|
|
In addition to restricting HostPath volumes, the restricted profile
|
|
limits usage of inline pod volume sources to:
|
|
* configMap
|
|
* downwardAPI
|
|
* emptyDir
|
|
* projected
|
|
* secret
|
|
* csi
|
|
* persistentVolumeClaim
|
|
* ephemeral
|
|
|
|
**Restricted Fields:**
|
|
|
|
spec.volumes[*].hostPath
|
|
spec.volumes[*].gcePersistentDisk
|
|
spec.volumes[*].awsElasticBlockStore
|
|
spec.volumes[*].gitRepo
|
|
spec.volumes[*].nfs
|
|
spec.volumes[*].iscsi
|
|
spec.volumes[*].glusterfs
|
|
spec.volumes[*].rbd
|
|
spec.volumes[*].flexVolume
|
|
spec.volumes[*].cinder
|
|
spec.volumes[*].cephfs
|
|
spec.volumes[*].flocker
|
|
spec.volumes[*].fc
|
|
spec.volumes[*].azureFile
|
|
spec.volumes[*].vsphereVolume
|
|
spec.volumes[*].quobyte
|
|
spec.volumes[*].azureDisk
|
|
spec.volumes[*].portworxVolume
|
|
spec.volumes[*].photonPersistentDisk
|
|
spec.volumes[*].scaleIO
|
|
spec.volumes[*].storageos
|
|
|
|
**Allowed Values:** undefined/null
|
|
*/
|
|
|
|
func init() {
|
|
addCheck(CheckRestrictedVolumes)
|
|
}
|
|
|
|
// CheckRestrictedVolumes returns a restricted level check
|
|
// that limits usage of specific volume types in 1.0+
|
|
func CheckRestrictedVolumes() Check {
|
|
return Check{
|
|
ID: "restrictedVolumes",
|
|
Level: api.LevelRestricted,
|
|
Versions: []VersionedCheck{
|
|
{
|
|
MinimumVersion: api.MajorMinorVersion(1, 0),
|
|
CheckPod: restrictedVolumes_1_0,
|
|
OverrideCheckIDs: []CheckID{checkHostPathVolumesID},
|
|
},
|
|
},
|
|
}
|
|
}
|
|
|
|
func restrictedVolumes_1_0(podMetadata *metav1.ObjectMeta, podSpec *corev1.PodSpec) CheckResult {
|
|
var badVolumes []string
|
|
badVolumeTypes := sets.NewString()
|
|
|
|
for _, volume := range podSpec.Volumes {
|
|
switch {
|
|
case volume.ConfigMap != nil,
|
|
volume.CSI != nil,
|
|
volume.DownwardAPI != nil,
|
|
volume.EmptyDir != nil,
|
|
volume.Ephemeral != nil,
|
|
volume.PersistentVolumeClaim != nil,
|
|
volume.Projected != nil,
|
|
volume.Secret != nil:
|
|
continue
|
|
|
|
default:
|
|
badVolumes = append(badVolumes, volume.Name)
|
|
|
|
switch {
|
|
case volume.HostPath != nil:
|
|
badVolumeTypes.Insert("hostPath")
|
|
case volume.GCEPersistentDisk != nil:
|
|
badVolumeTypes.Insert("gcePersistentDisk")
|
|
case volume.AWSElasticBlockStore != nil:
|
|
badVolumeTypes.Insert("awsElasticBlockStore")
|
|
case volume.GitRepo != nil:
|
|
badVolumeTypes.Insert("gitRepo")
|
|
case volume.NFS != nil:
|
|
badVolumeTypes.Insert("nfs")
|
|
case volume.ISCSI != nil:
|
|
badVolumeTypes.Insert("iscsi")
|
|
case volume.Glusterfs != nil:
|
|
badVolumeTypes.Insert("glusterfs")
|
|
case volume.RBD != nil:
|
|
badVolumeTypes.Insert("rbd")
|
|
case volume.FlexVolume != nil:
|
|
badVolumeTypes.Insert("flexVolume")
|
|
case volume.Cinder != nil:
|
|
badVolumeTypes.Insert("cinder")
|
|
case volume.CephFS != nil:
|
|
badVolumeTypes.Insert("cephfs")
|
|
case volume.Flocker != nil:
|
|
badVolumeTypes.Insert("flocker")
|
|
case volume.FC != nil:
|
|
badVolumeTypes.Insert("fc")
|
|
case volume.AzureFile != nil:
|
|
badVolumeTypes.Insert("azureFile")
|
|
case volume.VsphereVolume != nil:
|
|
badVolumeTypes.Insert("vsphereVolume")
|
|
case volume.Quobyte != nil:
|
|
badVolumeTypes.Insert("quobyte")
|
|
case volume.AzureDisk != nil:
|
|
badVolumeTypes.Insert("azureDisk")
|
|
case volume.PhotonPersistentDisk != nil:
|
|
badVolumeTypes.Insert("photonPersistentDisk")
|
|
case volume.PortworxVolume != nil:
|
|
badVolumeTypes.Insert("portworxVolume")
|
|
case volume.ScaleIO != nil:
|
|
badVolumeTypes.Insert("scaleIO")
|
|
case volume.StorageOS != nil:
|
|
badVolumeTypes.Insert("storageos")
|
|
default:
|
|
badVolumeTypes.Insert("unknown")
|
|
}
|
|
}
|
|
}
|
|
|
|
if len(badVolumes) > 0 {
|
|
return CheckResult{
|
|
Allowed: false,
|
|
ForbiddenReason: "restricted volume types",
|
|
ForbiddenDetail: fmt.Sprintf(
|
|
"%s %s %s %s %s",
|
|
pluralize("volume", "volumes", len(badVolumes)),
|
|
joinQuote(badVolumes),
|
|
pluralize("uses", "use", len(badVolumes)),
|
|
pluralize("restricted volume type", "restricted volume types", len(badVolumeTypes)),
|
|
joinQuote(badVolumeTypes.List()),
|
|
),
|
|
}
|
|
}
|
|
|
|
return CheckResult{Allowed: true}
|
|
}
|