kubernetes/pkg/security/apparmor/helpers_test.go

125 lines
3.7 KiB
Go

/*
Copyright 2024 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 apparmor
import (
"testing"
"github.com/stretchr/testify/assert"
v1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/utils/ptr"
)
func TestGetProfile(t *testing.T) {
runtimeDefault := &v1.AppArmorProfile{Type: v1.AppArmorProfileTypeRuntimeDefault}
unconfined := &v1.AppArmorProfile{Type: v1.AppArmorProfileTypeUnconfined}
localhost := &v1.AppArmorProfile{
Type: v1.AppArmorProfileTypeLocalhost,
LocalhostProfile: ptr.To("test"),
}
tests := []struct {
name string
annotationProfile string
containerProfile *v1.AppArmorProfile
podProfile *v1.AppArmorProfile
expectedProfile *v1.AppArmorProfile
}{{
name: "no appArmor",
expectedProfile: nil,
}, {
name: "pod profile",
podProfile: runtimeDefault,
expectedProfile: runtimeDefault,
}, {
name: "container profile",
containerProfile: unconfined,
expectedProfile: unconfined,
}, {
name: "annotation profile",
annotationProfile: v1.DeprecatedAppArmorBetaProfileNamePrefix + "test",
expectedProfile: localhost,
}, {
name: "invalid annotation",
annotationProfile: "invalid",
expectedProfile: nil,
}, {
name: "invalid annotation with pod field",
annotationProfile: "invalid",
podProfile: runtimeDefault,
expectedProfile: runtimeDefault,
}, {
name: "container field before annotation",
annotationProfile: v1.DeprecatedAppArmorBetaProfileNameUnconfined,
containerProfile: runtimeDefault,
expectedProfile: runtimeDefault,
}, {
name: "container field before pod field",
containerProfile: runtimeDefault,
podProfile: unconfined,
expectedProfile: runtimeDefault,
}, {
name: "annotation before pod field",
annotationProfile: v1.DeprecatedAppArmorBetaProfileNameUnconfined,
podProfile: runtimeDefault,
expectedProfile: unconfined,
}, {
name: "all profiles",
annotationProfile: v1.DeprecatedAppArmorBetaProfileRuntimeDefault,
containerProfile: localhost,
podProfile: unconfined,
expectedProfile: localhost,
}}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
container := v1.Container{
Name: "foo",
}
if test.containerProfile != nil {
container.SecurityContext = &v1.SecurityContext{
AppArmorProfile: test.containerProfile.DeepCopy(),
}
}
pod := v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "bar",
Annotations: map[string]string{
"unrelated": "baz",
v1.DeprecatedAppArmorBetaContainerAnnotationKeyPrefix + "other": v1.DeprecatedAppArmorBetaProfileRuntimeDefault,
},
},
Spec: v1.PodSpec{
Containers: []v1.Container{container},
},
}
if test.annotationProfile != "" {
pod.Annotations[v1.DeprecatedAppArmorBetaContainerAnnotationKeyPrefix+container.Name] = test.annotationProfile
}
if test.podProfile != nil {
pod.Spec.SecurityContext = &v1.PodSecurityContext{
AppArmorProfile: test.podProfile.DeepCopy(),
}
}
actual := GetProfile(&pod, &container)
assert.Equal(t, test.expectedProfile, actual)
})
}
}