From 467c075fce4b0e2c6afa866bfdb11db509601c43 Mon Sep 17 00:00:00 2001
From: Dan Wendorf <github@danwendorf.com>
Date: Sun, 17 Jun 2018 06:38:30 -0700
Subject: [PATCH] [stable/openvpn] Configurable update strategy (#5970)

---
 stable/openvpn/Chart.yaml                        | 2 +-
 stable/openvpn/README.md                         | 1 +
 stable/openvpn/templates/openvpn-deployment.yaml | 4 ++++
 stable/openvpn/values.yaml                       | 7 +++++++
 4 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/stable/openvpn/Chart.yaml b/stable/openvpn/Chart.yaml
index 204d0d398f..1872d05c52 100755
--- a/stable/openvpn/Chart.yaml
+++ b/stable/openvpn/Chart.yaml
@@ -3,7 +3,7 @@ description: A Helm chart to install an openvpn server inside a kubernetes clust
   generation is also part of the deployment, and this chart will generate client keys
   as needed.
 name: openvpn
-version: 3.5.1
+version: 3.6.0
 appVersion: 1.1.0
 maintainers:
 - name: jfelten
diff --git a/stable/openvpn/README.md b/stable/openvpn/README.md
index 4d0ed150cc..89bcd1886e 100644
--- a/stable/openvpn/README.md
+++ b/stable/openvpn/README.md
@@ -54,6 +54,7 @@ and can be overwritten via the helm `--set` flag.
 Parameter | Description | Default
 ---                            | ---                                                                  | ---
 `replicaCount`                 | amount of parallel openvpn replicas to be started                    | `1`
+`updateStrategy`               | update strategy for deployment                                       | `{}`
 `image.repository`             | `openvpn` image repository                                           | `jfelten/openvpn-docker`
 `image.tag`                    | `openvpn` image tag                                                  | `1.1.0`
 `image.pullPolicy`             | Image pull policy                                                    | `IfNotPresent`
diff --git a/stable/openvpn/templates/openvpn-deployment.yaml b/stable/openvpn/templates/openvpn-deployment.yaml
index c6b4120467..35f259c904 100644
--- a/stable/openvpn/templates/openvpn-deployment.yaml
+++ b/stable/openvpn/templates/openvpn-deployment.yaml
@@ -9,6 +9,10 @@ metadata:
     heritage: {{ .Release.Service }}
 spec:
   replicas: {{ .Values.replicaCount }}
+{{- if .Values.updateStrategy }}
+  strategy:
+{{ toYaml .Values.updateStrategy | indent 4 }}
+{{- end }}
   selector:
     matchLabels:
       app: {{ template "openvpn.name" . }}
diff --git a/stable/openvpn/values.yaml b/stable/openvpn/values.yaml
index d8f7e4407f..5045a8fb4a 100644
--- a/stable/openvpn/values.yaml
+++ b/stable/openvpn/values.yaml
@@ -2,6 +2,13 @@
 # This is a YAML-formatted file.
 # Declare variables to be passed into your templates.
 replicaCount: 1
+
+updateStrategy: {}
+  # type: RollingUpdate
+  # rollingUpdate:
+  #   maxSurge: 1
+  #   maxUnavailable: 0
+
 image:
   repository: jfelten/openvpn-docker
   tag: 1.1.0