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remove psp api utils

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This commit is contained in:
Paco Xu 2022-11-02 21:36:50 +08:00
parent e0bc0693e9
commit 99d402e58f
3 changed files with 0 additions and 162 deletions
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8
pkg/api/podsecuritypolicy/OWNERS
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@ -1,8 +0,0 @@
# See the OWNERS docs at https://go.k8s.io/owners
# approval on api packages bubbles to api-approvers
reviewers:
- sig-auth-policy-approvers
- sig-auth-policy-reviewers
labels:
- sig/auth

44
pkg/api/podsecuritypolicy/util.go
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/*
Copyright 2018 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 podsecuritypolicy
import (
utilfeature "k8s.io/apiserver/pkg/util/feature"
"k8s.io/kubernetes/pkg/apis/policy"
"k8s.io/kubernetes/pkg/features"
)
// DropDisabledFields removes disabled fields from the pod security policy spec.
// This should be called from PrepareForCreate/PrepareForUpdate for all resources containing a pod security policy spec.
func DropDisabledFields(pspSpec, oldPSPSpec *policy.PodSecurityPolicySpec) {
if !utilfeature.DefaultFeatureGate.Enabled(features.ProcMountType) && !allowedProcMountTypesInUse(oldPSPSpec) {
pspSpec.AllowedProcMountTypes = nil
}
}
func allowedProcMountTypesInUse(oldPSPSpec *policy.PodSecurityPolicySpec) bool {
if oldPSPSpec == nil {
return false
}
if oldPSPSpec.AllowedProcMountTypes != nil {
return true
}
return false
}

110
pkg/api/podsecuritypolicy/util_test.go
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@ -1,110 +0,0 @@
/*
Copyright 2018 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 podsecuritypolicy
import (
"fmt"
"reflect"
"testing"
"github.com/google/go-cmp/cmp"
utilfeature "k8s.io/apiserver/pkg/util/feature"
featuregatetesting "k8s.io/component-base/featuregate/testing"
api "k8s.io/kubernetes/pkg/apis/core"
"k8s.io/kubernetes/pkg/apis/policy"
"k8s.io/kubernetes/pkg/features"
)
func TestDropAllowedProcMountTypes(t *testing.T) {
allowedProcMountTypes := []api.ProcMountType{api.UnmaskedProcMount}
scWithoutAllowedProcMountTypes := func() *policy.PodSecurityPolicySpec {
return &policy.PodSecurityPolicySpec{}
}
scWithAllowedProcMountTypes := func() *policy.PodSecurityPolicySpec {
return &policy.PodSecurityPolicySpec{
AllowedProcMountTypes: allowedProcMountTypes,
}
}
scInfo := []struct {
description string
hasAllowedProcMountTypes bool
sc func() *policy.PodSecurityPolicySpec
}{
{
description: "PodSecurityPolicySpec Without AllowedProcMountTypes",
hasAllowedProcMountTypes: false,
sc: scWithoutAllowedProcMountTypes,
},
{
description: "PodSecurityPolicySpec With AllowedProcMountTypes",
hasAllowedProcMountTypes: true,
sc: scWithAllowedProcMountTypes,
},
{
description: "is nil",
hasAllowedProcMountTypes: false,
sc: func() *policy.PodSecurityPolicySpec { return nil },
},
}
for _, enabled := range []bool{true, false} {
for _, oldPSPSpecInfo := range scInfo {
for _, newPSPSpecInfo := range scInfo {
oldPSPSpecHasAllowedProcMountTypes, oldPSPSpec := oldPSPSpecInfo.hasAllowedProcMountTypes, oldPSPSpecInfo.sc()
newPSPSpecHasAllowedProcMountTypes, newPSPSpec := newPSPSpecInfo.hasAllowedProcMountTypes, newPSPSpecInfo.sc()
if newPSPSpec == nil {
continue
}
t.Run(fmt.Sprintf("feature enabled=%v, old PodSecurityPolicySpec %v, new PodSecurityPolicySpec %v", enabled, oldPSPSpecInfo.description, newPSPSpecInfo.description), func(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.ProcMountType, enabled)()
DropDisabledFields(newPSPSpec, oldPSPSpec)
// old PodSecurityPolicySpec should never be changed
if !reflect.DeepEqual(oldPSPSpec, oldPSPSpecInfo.sc()) {
t.Errorf("old PodSecurityPolicySpec changed: %v", cmp.Diff(oldPSPSpec, oldPSPSpecInfo.sc()))
}
switch {
case enabled || oldPSPSpecHasAllowedProcMountTypes:
// new PodSecurityPolicySpec should not be changed if the feature is enabled, or if the old PodSecurityPolicySpec had AllowedProcMountTypes
if !reflect.DeepEqual(newPSPSpec, newPSPSpecInfo.sc()) {
t.Errorf("new PodSecurityPolicySpec changed: %v", cmp.Diff(newPSPSpec, newPSPSpecInfo.sc()))
}
case newPSPSpecHasAllowedProcMountTypes:
// new PodSecurityPolicySpec should be changed
if reflect.DeepEqual(newPSPSpec, newPSPSpecInfo.sc()) {
t.Errorf("new PodSecurityPolicySpec was not changed")
}
// new PodSecurityPolicySpec should not have AllowedProcMountTypes
if !reflect.DeepEqual(newPSPSpec, scWithoutAllowedProcMountTypes()) {
t.Errorf("new PodSecurityPolicySpec had PodSecurityPolicySpecAllowedProcMountTypes: %v", cmp.Diff(newPSPSpec, scWithoutAllowedProcMountTypes()))
}
default:
// new PodSecurityPolicySpec should not need to be changed
if !reflect.DeepEqual(newPSPSpec, newPSPSpecInfo.sc()) {
t.Errorf("new PodSecurityPolicySpec changed: %v", cmp.Diff(newPSPSpec, newPSPSpecInfo.sc()))
}
}
})
}
}
}
}