Merge pull request #239 from aslafy-z/patch-2

feat: add topologySpreadConstraints
stakater · Apr 1, 2023 · 398397a · 398397a
2 parents 21b09cc + 5b22667
commit 398397a
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -3,6 +3,9 @@
 
 All notable changes to this project will be documented here.
 
+### v2.2.0
+- Feature: Add topologySpreadConstraints [PR-239](https://github.com/stakater/application/pull/239)
+
 ### v2.1.9
 - Fix: Make servicePort var override possible with ingress hosts [PR-243](https://github.com/stakater/application/pull/243)
 

diff --git a/README.md b/README.md
@@ -55,6 +55,7 @@ To uninstall the chart:
 | deployment.args                     | Arg for primary container of deployment                                                                                                    | `[]`           |
 | deployment.tolerations              | Taint tolerations for nodes                                                                                                                | `[]`           |
 | deployment.affinity                 | Affinity for pod/node                                                                                                                      | `[]`           |
+| deployment.topologySpreadConstraints| Topology spread constraints definitions                                           | `[]`           |
 | deployment.ports                    | Ports for primary container                                                                                                                | `[]`           |
 | deployment.securityContext          | Security Context for the pod                                                                                                               | `{}`           |
 | deployment.additionalContainers     | Add additional containers besides init and app containers                                                                                  | `[]`           |

diff --git a/application/templates/deployment.yaml b/application/templates/deployment.yaml
@@ -93,6 +93,10 @@ spec:
       affinity:
 {{ toYaml .Values.deployment.affinity | indent 8 -}}
       {{- end }}
+      {{- with .Values.deployment.topologySpreadConstraints }}
+      topologySpreadConstraints:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
       {{- if .Values.deployment.imagePullSecrets }}      
       imagePullSecrets:
       - name: {{ .Values.deployment.imagePullSecrets }}

diff --git a/application/values.yaml b/application/values.yaml
@@ -166,6 +166,27 @@ deployment:
   #          values:
   #          - ssd
 
+  # Topology spread constraints
+  topologySpreadConstraints:
+    # - maxSkew: 1
+    #   topologyKey: kubernetes.io/hostname
+    #   whenUnsatisfiable: ScheduleAnyway
+    #   labelSelector:
+    #     matchExpressions:
+    #     - key: disktype
+    #       operator: In
+    #       values:
+    #       - ssd
+    # - maxSkew: 1
+    #   topologyKey: topology.kubernetes.io/zone
+    #   whenUnsatisfiable: ScheduleAnyway
+    #   labelSelector:
+    #     matchExpressions:
+    #     - key: disktype
+    #       operator: In
+    #       values:
+    #       - ssd
+
   # Image of the app container
   image: 
     repository: repository/image-name