From 4f29af3d59e9d27e1379c8a4ee4c9006ad019b71 Mon Sep 17 00:00:00 2001
From: Gage Hugo <gagehugo@gmail.com>
Date: Fri, 17 May 2019 11:09:46 -0500
Subject: [PATCH] Create upgrade statefulset tpl for helm-toolkit

This change creates a snippet in helm-toolkit for specifying
the maxUnavailable and maxSurge values under rollingUpdate for
statefulsets. This can be utilized then by charts that contain
statefulsets.

Change-Id: I6f48cf1d2faf78b56103525771e3d4c3ecdc6db6
---
 .../_kubernetes_upgrades_statefulset.tpl      | 25 +++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 helm-toolkit/templates/snippets/_kubernetes_upgrades_statefulset.tpl

diff --git a/helm-toolkit/templates/snippets/_kubernetes_upgrades_statefulset.tpl b/helm-toolkit/templates/snippets/_kubernetes_upgrades_statefulset.tpl
new file mode 100644
index 000000000..a088449d4
--- /dev/null
+++ b/helm-toolkit/templates/snippets/_kubernetes_upgrades_statefulset.tpl
@@ -0,0 +1,25 @@
+{{/*
+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.
+*/}}
+
+{{- define "helm-toolkit.snippets.kubernetes_upgrades_statefulset" -}}
+{{- $envAll := index . 0 -}}
+{{- with $envAll.Values.pod.lifecycle.upgrades.statefulsets -}}
+revisionHistoryLimit: {{ .revision_history }}
+strategy:
+  type: {{ .pod_replacement_strategy }}
+  {{- if eq .pod_replacement_strategy "RollingUpdate" }}
+  rollingUpdate:
+    maxUnavailable: {{ .rolling_update.max_unavailable }}
+  {{- end }}
+{{- end -}}
+{{- end -}}