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Fix SELinux unit tests

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Use device mountable volume, to make it impossible to share the same global
mount with different SELinux contexts.

And fix pod2Name to actually refer to pod2.
This commit is contained in:
Jan Safranek 2023-10-12 15:57:01 +02:00
parent 2f5903b4cf
commit e511edf11f
1 changed files with 26 additions and 18 deletions
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44
pkg/kubelet/volumemanager/cache/desired_state_of_world_test.go vendored
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@ -612,10 +612,12 @@ func Test_AddPodToVolume_Positive_SELinuxNoRWOP(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.SELinuxMountReadWriteOncePod, true)()
// Arrange
plugins := []volume.VolumePlugin{
&volumetesting.FakeBasicVolumePlugin{
Plugin: volumetesting.FakeVolumePlugin{
PluginName: "basic",
SupportsSELinux: true,
&volumetesting.FakeDeviceMountableVolumePlugin{
FakeBasicVolumePlugin: volumetesting.FakeBasicVolumePlugin{
Plugin: volumetesting.FakeVolumePlugin{
PluginName: "basic",
SupportsSELinux: true,
},
},
},
}
@ -692,10 +694,12 @@ func Test_AddPodToVolume_Positive_NoSELinuxPlugin(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.SELinuxMountReadWriteOncePod, true)()
// Arrange
plugins := []volume.VolumePlugin{
&volumetesting.FakeBasicVolumePlugin{
Plugin: volumetesting.FakeVolumePlugin{
PluginName: "basic",
SupportsSELinux: false,
&volumetesting.FakeDeviceMountableVolumePlugin{
FakeBasicVolumePlugin: volumetesting.FakeBasicVolumePlugin{
Plugin: volumetesting.FakeVolumePlugin{
PluginName: "basic",
SupportsSELinux: false,
},
},
},
}
@ -773,10 +777,12 @@ func Test_AddPodToVolume_Positive_ExistingPodSameSELinuxRWOP(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.SELinuxMountReadWriteOncePod, true)()
// Arrange
plugins := []volume.VolumePlugin{
&volumetesting.FakeBasicVolumePlugin{
Plugin: volumetesting.FakeVolumePlugin{
PluginName: "basic",
SupportsSELinux: true,
&volumetesting.FakeDeviceMountableVolumePlugin{
FakeBasicVolumePlugin: volumetesting.FakeBasicVolumePlugin{
Plugin: volumetesting.FakeVolumePlugin{
PluginName: "basic",
SupportsSELinux: true,
},
},
},
}
@ -873,10 +879,12 @@ func Test_AddPodToVolume_Negative_ExistingPodDifferentSELinuxRWOP(t *testing.T)
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.SELinuxMountReadWriteOncePod, true)()
// Arrange
plugins := []volume.VolumePlugin{
&volumetesting.FakeBasicVolumePlugin{
Plugin: volumetesting.FakeVolumePlugin{
PluginName: "basic",
SupportsSELinux: true,
&volumetesting.FakeDeviceMountableVolumePlugin{
FakeBasicVolumePlugin: volumetesting.FakeBasicVolumePlugin{
Plugin: volumetesting.FakeVolumePlugin{
PluginName: "basic",
SupportsSELinux: true,
},
},
},
}
@ -957,7 +965,7 @@ func Test_AddPodToVolume_Negative_ExistingPodDifferentSELinuxRWOP(t *testing.T)
pod2.Name = "pod2"
pod2.UID = "pod2uid"
pod2.Spec.SecurityContext.SELinuxOptions = &seLinux2
pod2Name := util.GetUniquePodName(pod)
pod2Name := util.GetUniquePodName(pod2)
// Act
_, err = dsw.AddPodToVolume(
@ -967,7 +975,7 @@ func Test_AddPodToVolume_Negative_ExistingPodDifferentSELinuxRWOP(t *testing.T)
t.Fatalf("Second AddPodToVolume succeeded, expected a failure")
}
// Verify the original SELinux context is still in DSW
verifyPodExistsInVolumeDsw(t, pod2Name, generatedVolumeName, "system_u:object_r:container_file_t:s0:c1,c2", dsw)
verifyPodExistsInVolumeDsw(t, podName, generatedVolumeName, "system_u:object_r:container_file_t:s0:c1,c2", dsw)
}
func verifyVolumeExistsDsw(