openstack/openstack-helm-infra
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Add seccomp annotation function

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Adds seccomp annotation function in helm toolkit.
This function can be used by charts to add seccomp
annotations in containers metadata section.

Change-Id: Icf36f1e4aff36fec8a9eefaff06d12984aeb7a78
This commit is contained in:
Hemanth Nakkina 2019-03-04 11:15:21 +05:30 committed by Chris Wedgwood
parent e836707ad0
commit 2d0d850d59
1 changed files with 49 additions and 0 deletions
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49
helm-toolkit/templates/snippets/_kubernetes_seccomp_annotation.tpl Normal file
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{{/*
Copyright 2019 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 seccomp annotations for a list of containers driven by values.yaml.
values: |
pod:
seccomp:
myPodName:
myContainerName: localhost/mySeccomp
mySecondContainerName: localhost/secondProfile # optional
myThirdContainerName: localhost/thirdProfile # optional
usage: |
{{ dict "envAll" . "podName" "myPodName" "containerNames" (list "myContainerName" "mySecondContainerName" "myThirdContainerName") | include "helm-toolkit.snippets.kubernetes_seccomp_annotation" }}
return: |
container.seccomp.security.alpha.kubernetes.io/myContainerName: localhost/mySeccomp
container.seccomp.security.alpha.kubernetes.io/mySecondContainerName: localhost/secondProfile
container.seccomp.security.alpha.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_seccomp_annotation" -}}
{{- $envAll := index . "envAll" -}}
{{- $podName := index . "podName" -}}
{{- $containerNames := index . "containerNames" -}}
{{- if hasKey (index $envAll.Values.pod "seccomp") $podName -}}
{{- range $name := $containerNames -}}
{{- $seccompProfile := index $envAll.Values.pod.seccomp $podName $name -}}
{{- if $seccompProfile }}
container.seccomp.security.alpha.kubernetes.io/{{ $name }}: {{ $seccompProfile }}
{{- end -}}
{{- end -}}
{{- end -}}
{{- end -}}