Add apparmor annotation function

This patch set adds helm toolkit functions to annotate apparmor profile
in the container's metadata section.

Change-Id: Ib0ca04e8b8527194778afb8053046797abdfdb98
Signed-off-by: Tin Lam <tin@irrational.io>
This commit is contained in:
Tin Lam 2018-09-12 10:02:00 -05:00
parent bc1afb87d7
commit 515b6697d3
1 changed files with 49 additions and 0 deletions

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{{/*
Copyright 2017-2018 The Openstack-Helm 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.
*/}}
{{/*
abstract: |
Renders apparmor annotations for a list of containers driven by values.yaml.
values: |
pod:
apparmor:
myPodName:
myContainerName: localhost/myAppArmor
mySecondContainerName: localhost/secondProfile # optional
myThirdContainerName: localhost/thirdProfile # optional
usage: |
{{ dict "envAll" . "podName" "myPodName" "containerNames" (list "myContainerName" "mySecondContainerName" "myThirdContainerName") | include "helm-toolkit.snippets.kubernetes_apparmor_annotation" }}
return: |
container.apparmor.security.beta.kubernetes.io/myContainerName: localhost/myAppArmor
container.apparmor.security.beta.kubernetes.io/mySecondContainerName: localhost/secondProfile
container.apparmor.security.beta.kubernetes.io/myThirdContainerName: localhost/thirdProfile
note: |
The number of container underneath is a variable arguments. It loops through
all the container names specified.
*/}}
{{- define "helm-toolkit.snippets.kubernetes_apparmor_annotation" -}}
{{- $envAll := index . "envAll" -}}
{{- $podName := index . "podName" -}}
{{- $containerNames := index . "containerNames" -}}
{{- if hasKey (index $envAll.Values.pod "apparmor") $podName -}}
{{- range $name := $containerNames -}}
{{- $apparmorProfile := index $envAll.Values.pod.apparmor $podName $name -}}
{{- if $apparmorProfile }}
container.apparmor.security.beta.kubernetes.io/{{ $name }}: {{ $apparmorProfile }}
{{- end -}}
{{- end -}}
{{- end -}}
{{- end -}}