From a64ea8a936bc85b9e529877d0f657461f670cb02 Mon Sep 17 00:00:00 2001
From: Raffael Sahli <raffael.sahli@doodle.com>
Date: Mon, 6 Sep 2021 16:38:13 +0200
Subject: [PATCH] [keycloak] add support for topologySpreadConstraints. Fixes
 #463.

Signed-off-by: Raffael Sahli <raffael.sahli@doodle.com>
---
 charts/keycloak/Chart.yaml                 | 2 +-
 charts/keycloak/README.md                  | 2 ++
 charts/keycloak/templates/statefulset.yaml | 4 ++++
 charts/keycloak/values.yaml                | 3 +++
 4 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/charts/keycloak/Chart.yaml b/charts/keycloak/Chart.yaml
index d28460b4..6f2f324a 100644
--- a/charts/keycloak/Chart.yaml
+++ b/charts/keycloak/Chart.yaml
@@ -1,6 +1,6 @@
 apiVersion: v1
 name: keycloak
-version: 15.0.1
+version: 15.0.2
 appVersion: 15.0.2
 description: Open Source Identity and Access Management For Modern Applications and Services
 keywords:
diff --git a/charts/keycloak/README.md b/charts/keycloak/README.md
index 3b38f9af..2fb0a5e9 100644
--- a/charts/keycloak/README.md
+++ b/charts/keycloak/README.md
@@ -72,6 +72,7 @@ The following table lists the configurable parameters of the Keycloak chart and
 | `extraEnvFrom` | Additional environment variables for Keycloak mapped from a Secret or ConfigMap | `""` |
 | `priorityClassName` | Pod priority class name | `""` |
 | `affinity` | Pod affinity | Hard node and soft zone anti-affinity |
+| `topologySpreadConstraints` | Topology spread constraints | Constraints used to spread pods |
 | `nodeSelector` | Node labels for Pod assignment | `{}` |
 | `tolerations` | Node taints to tolerate | `[]` |
 | `podLabels` | Additional Pod labels | `{}` |
@@ -210,6 +211,7 @@ It is used for the following values:
 * `livenessProbe`
 * `readinessProbe`
 * `startupProbe`
+* `topologySpreadConstraints`
 
 Additionally, custom labels and annotations can be set on various resources the values of which being passed through `tpl` as well.
 
diff --git a/charts/keycloak/templates/statefulset.yaml b/charts/keycloak/templates/statefulset.yaml
index ebc464d2..25d4aa64 100644
--- a/charts/keycloak/templates/statefulset.yaml
+++ b/charts/keycloak/templates/statefulset.yaml
@@ -167,6 +167,10 @@ spec:
       affinity:
         {{- tpl . $ | nindent 8 }}
       {{- end }}
+      {{- with .Values.topologySpreadConstraints }}
+      topologySpreadConstraints:
+        {{- tpl . $ | nindent 8 }}
+      {{- end }}
       {{- with .Values.tolerations }}
       tolerations:
         {{- toYaml . | nindent 8 }}
diff --git a/charts/keycloak/values.yaml b/charts/keycloak/values.yaml
index 9921e114..b532f518 100644
--- a/charts/keycloak/values.yaml
+++ b/charts/keycloak/values.yaml
@@ -138,6 +138,9 @@ affinity: |
                   - test
           topologyKey: failure-domain.beta.kubernetes.io/zone
 
+# Topology spread constraints template
+topologySpreadConstraints:
+
 # Node labels for Pod assignment
 nodeSelector: {}