80 lines
2.7 KiB
Go
80 lines
2.7 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package apparmor
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import (
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"strings"
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"k8s.io/api/core/v1"
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)
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// TODO: Move these values into the API package.
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const (
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// The prefix to an annotation key specifying a container profile.
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ContainerAnnotationKeyPrefix = "container.apparmor.security.beta.kubernetes.io/"
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// The annotation key specifying the default AppArmor profile.
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DefaultProfileAnnotationKey = "apparmor.security.beta.kubernetes.io/defaultProfileName"
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// The annotation key specifying the allowed AppArmor profiles.
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AllowedProfilesAnnotationKey = "apparmor.security.beta.kubernetes.io/allowedProfileNames"
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// The profile specifying the runtime default.
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ProfileRuntimeDefault = "runtime/default"
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// The prefix for specifying profiles loaded on the node.
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ProfileNamePrefix = "localhost/"
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// Unconfined profile
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ProfileNameUnconfined = "unconfined"
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)
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// Checks whether app armor is required for pod to be run.
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func isRequired(pod *v1.Pod) bool {
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for key, value := range pod.Annotations {
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if strings.HasPrefix(key, ContainerAnnotationKeyPrefix) {
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return value != ProfileNameUnconfined
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}
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}
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return false
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}
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// Returns the name of the profile to use with the container.
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func GetProfileName(pod *v1.Pod, containerName string) string {
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return GetProfileNameFromPodAnnotations(pod.Annotations, containerName)
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}
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// GetProfileNameFromPodAnnotations gets the name of the profile to use with container from
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// pod annotations
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func GetProfileNameFromPodAnnotations(annotations map[string]string, containerName string) string {
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return annotations[ContainerAnnotationKeyPrefix+containerName]
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}
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// Sets the name of the profile to use with the container.
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func SetProfileName(pod *v1.Pod, containerName, profileName string) error {
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if pod.Annotations == nil {
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pod.Annotations = map[string]string{}
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}
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pod.Annotations[ContainerAnnotationKeyPrefix+containerName] = profileName
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return nil
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}
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// Sets the name of the profile to use with the container.
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func SetProfileNameFromPodAnnotations(annotations map[string]string, containerName, profileName string) error {
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if annotations == nil {
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return nil
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}
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annotations[ContainerAnnotationKeyPrefix+containerName] = profileName
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return nil
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}
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