openstack-helm-infra/helm-toolkit/templates/snippets/_kubernetes_upgrades_statefulset.tpl
Steve Wilkerson 38a6062b7a Fix helm-toolkit snippet for statefulset updates
This fixes the incorrect statefulset update helm-toolkit
snippet, as the previous implementation used incorrect keys
and fields for statefulset updates. See below:

https://kubernetes.io/docs/tutorials/stateful-application/basic-stateful-set/#updating-statefulsets
https://github.com/kubernetes/kubernetes/issues/68397

Change-Id: I5044460f19f0c824b08f99a90472c2e4a0e53e52
2019-05-20 08:12:15 -05:00

54 lines
1.6 KiB
Smarty

{{/*
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 upgradeStrategy configuration for Kubernetes statefulsets.
See: https://kubernetes.io/docs/tutorials/stateful-application/basic-stateful-set/#updating-statefulsets
Types:
- RollingUpdate (default)
- OnDelete
Partitions:
- Stage updates to a statefulset by keeping pods at current version while
allowing mutations to statefulset's .spec.template
values: |
pod:
lifecycle:
upgrades:
statefulsets:
pod_replacement_strategy: RollingUpdate
partition: 2
usage: |
{{ tuple $envAll | include "helm-toolkit.snippets.kubernetes_upgrades_statefulset" | indent 2 }}
return: |
updateStrategy:
type: RollingUpdate
rollingUpdate:
partition: 2
*/}}
{{- define "helm-toolkit.snippets.kubernetes_upgrades_statefulset" -}}
{{- $envAll := index . 0 -}}
{{- with $envAll.Values.pod.lifecycle.upgrades.statefulsets -}}
updateStrategy:
type: {{ .pod_replacement_strategy }}
{{ if .partition -}}
rollingUpdate:
partition: {{ .partition }}
{{- end -}}
{{- end -}}
{{- end -}}