csi_fsgroup_mount.go

Documentation: k8s.io/kubernetes/test/e2e/storage/csi_mock

     1  /*
     2  Copyright 2022 The Kubernetes Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package csi_mock
    18  
    19  import (
    20  	"context"
    21  	"math/rand"
    22  	"strconv"
    23  
    24  	"github.com/onsi/ginkgo/v2"
    25  	"github.com/onsi/gomega"
    26  	"k8s.io/kubernetes/test/e2e/framework"
    27  	e2epod "k8s.io/kubernetes/test/e2e/framework/pod"
    28  	e2eskipper "k8s.io/kubernetes/test/e2e/framework/skipper"
    29  	"k8s.io/kubernetes/test/e2e/storage/utils"
    30  	admissionapi "k8s.io/pod-security-admission/api"
    31  )
    32  
    33  var _ = utils.SIGDescribe("CSI Mock fsgroup as mount option", func() {
    34  	f := framework.NewDefaultFramework("csi-mock-volumes-fsgroup-mount")
    35  	f.NamespacePodSecurityLevel = admissionapi.LevelPrivileged
    36  	m := newMockDriverSetup(f)
    37  
    38  	ginkgo.Context("Delegate FSGroup to CSI driver [LinuxOnly]", func() {
    39  		tests := []struct {
    40  			name                   string
    41  			enableVolumeMountGroup bool
    42  		}{
    43  			{
    44  				name:                   "should pass FSGroup to CSI driver if it is set in pod and driver supports VOLUME_MOUNT_GROUP",
    45  				enableVolumeMountGroup: true,
    46  			},
    47  			{
    48  				name:                   "should not pass FSGroup to CSI driver if it is set in pod and driver supports VOLUME_MOUNT_GROUP",
    49  				enableVolumeMountGroup: false,
    50  			},
    51  		}
    52  		for _, t := range tests {
    53  			t := t
    54  			ginkgo.It(t.name, func(ctx context.Context) {
    55  				var nodeStageFsGroup, nodePublishFsGroup string
    56  				if framework.NodeOSDistroIs("windows") {
    57  					e2eskipper.Skipf("FSGroupPolicy is only applied on linux nodes -- skipping")
    58  				}
    59  				m.init(ctx, testParameters{
    60  					disableAttach:          true,
    61  					registerDriver:         true,
    62  					enableVolumeMountGroup: t.enableVolumeMountGroup,
    63  					hooks:                  createFSGroupRequestPreHook(&nodeStageFsGroup, &nodePublishFsGroup),
    64  				})
    65  				ginkgo.DeferCleanup(m.cleanup)
    66  
    67  				fsGroupVal := int64(rand.Int63n(20000) + 1024)
    68  				fsGroup := &fsGroupVal
    69  				fsGroupStr := strconv.FormatInt(fsGroupVal, 10 /* base */)
    70  
    71  				_, _, pod := m.createPodWithFSGroup(ctx, fsGroup) /* persistent volume */
    72  
    73  				err := e2epod.WaitForPodNameRunningInNamespace(ctx, m.cs, pod.Name, pod.Namespace)
    74  				framework.ExpectNoError(err, "failed to start pod")
    75  
    76  				if t.enableVolumeMountGroup {
    77  					gomega.Expect(nodeStageFsGroup).To(gomega.Equal(fsGroupStr), "Expect NodeStageVolumeRequest.VolumeCapability.MountVolume.VolumeMountGroup to equal %q; got: %q", fsGroupStr, nodeStageFsGroup)
    78  					gomega.Expect(nodePublishFsGroup).To(gomega.Equal(fsGroupStr), "Expect NodePublishVolumeRequest.VolumeCapability.MountVolume.VolumeMountGroup to equal %q; got: %q", fsGroupStr, nodePublishFsGroup)
    79  				} else {
    80  					gomega.Expect(nodeStageFsGroup).To(gomega.BeEmpty(), "Expect NodeStageVolumeRequest.VolumeCapability.MountVolume.VolumeMountGroup to be empty; got: %q", nodeStageFsGroup)
    81  					gomega.Expect(nodePublishFsGroup).To(gomega.BeEmpty(), "Expect NodePublishVolumeRequest.VolumeCapability.MountVolume.VolumeMountGroup to empty; got: %q", nodePublishFsGroup)
    82  				}
    83  			})
    84  		}
    85  	})
    86  
    87  })
    88
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