77 lines
2.6 KiB
Go
77 lines
2.6 KiB
Go
/*
|
|
Copyright 2016 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 (
|
|
"strings"
|
|
|
|
"k8s.io/api/core/v1"
|
|
)
|
|
|
|
// TODO: Move these values into the API package.
|
|
const (
|
|
// The prefix to an annotation key specifying a container profile.
|
|
ContainerAnnotationKeyPrefix = "container.apparmor.security.beta.kubernetes.io/"
|
|
// The annotation key specifying the default AppArmor profile.
|
|
DefaultProfileAnnotationKey = "apparmor.security.beta.kubernetes.io/defaultProfileName"
|
|
// The annotation key specifying the allowed AppArmor profiles.
|
|
AllowedProfilesAnnotationKey = "apparmor.security.beta.kubernetes.io/allowedProfileNames"
|
|
|
|
// The profile specifying the runtime default.
|
|
ProfileRuntimeDefault = "runtime/default"
|
|
// The prefix for specifying profiles loaded on the node.
|
|
ProfileNamePrefix = "localhost/"
|
|
)
|
|
|
|
// Checks whether app armor is required for pod to be run.
|
|
func isRequired(pod *v1.Pod) bool {
|
|
for key := range pod.Annotations {
|
|
if strings.HasPrefix(key, ContainerAnnotationKeyPrefix) {
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
// Returns the name of the profile to use with the container.
|
|
func GetProfileName(pod *v1.Pod, containerName string) string {
|
|
return GetProfileNameFromPodAnnotations(pod.Annotations, containerName)
|
|
}
|
|
|
|
// GetProfileNameFromPodAnnotations gets the name of the profile to use with container from
|
|
// pod annotations
|
|
func GetProfileNameFromPodAnnotations(annotations map[string]string, containerName string) string {
|
|
return annotations[ContainerAnnotationKeyPrefix+containerName]
|
|
}
|
|
|
|
// Sets the name of the profile to use with the container.
|
|
func SetProfileName(pod *v1.Pod, containerName, profileName string) error {
|
|
if pod.Annotations == nil {
|
|
pod.Annotations = map[string]string{}
|
|
}
|
|
pod.Annotations[ContainerAnnotationKeyPrefix+containerName] = profileName
|
|
return nil
|
|
}
|
|
|
|
// Sets the name of the profile to use with the container.
|
|
func SetProfileNameFromPodAnnotations(annotations map[string]string, containerName, profileName string) error {
|
|
if annotations == nil {
|
|
return nil
|
|
}
|
|
annotations[ContainerAnnotationKeyPrefix+containerName] = profileName
|
|
return nil
|
|
}
|