[stable/rabbitmq-ha] Add support for additional pod affinity settings. (

#20391) * [stable/rabbitmq-ha] Add support for additional pod affinity settings. Signed-off-by: l.h. riley <liam.h.riley@gmail.com> * [stable/rabbitmq-ha] affinity overrides default podAntiAffinity settings. Signed-off-by: l.h. riley <liam.h.riley@gmail.com>
helm · Feb 18, 2020 · ca058a2 · ca058a2
1 parent 04796e4
commit ca058a2
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Showing 4 changed files with 18 additions and 3 deletions.
diff --git a/stable/rabbitmq-ha/Chart.yaml b/stable/rabbitmq-ha/Chart.yaml
@@ -1,7 +1,7 @@
 name: rabbitmq-ha
 apiVersion: v1
 appVersion: 3.8.0
-version: 1.38.2
+version: 1.39.0
 description: Highly available RabbitMQ cluster, the open source message broker
   software that implements the Advanced Message Queuing Protocol (AMQP).
 keywords:

diff --git a/stable/rabbitmq-ha/README.md b/stable/rabbitmq-ha/README.md
@@ -98,8 +98,9 @@ and their default values.
 | `persistentVolume.name`                        | Persistent volume name                                                                                                                                                                                | `data`                                                     |
 | `persistentVolume.size`                        | Persistent volume size                                                                                                                                                                                | `8Gi`                                                      |
 | `persistentVolume.storageClass`                | Persistent volume storage class                                                                                                                                                                       | `-`                                                        |
-| `podAntiAffinity`                              | Pod antiaffinity, `hard` or `soft`                                                                                                                                                                    | `soft`                                                     |
-| `podAntiAffinityTopologyKey`                   | TopologyKey for antiaffinity, default is hostname
+| `podAntiAffinity`                              | Pod anti-affinity, `hard` or `soft`                                                                                                                                                                   | `soft`                                                     |
+| `podAntiAffinityTopologyKey`                   | TopologyKey for anti-affinity, default is hostname                                                                                                                                                    | `"kubernetes.io/hostname"`                                 |
+| `affinity`                                     | Affinity settings. If specified, this will disable `podAntiAffinity` settings. If you still need anti-affinity, you must include the configuration here.                                              | `{}`                                                       |
 | `podDisruptionBudget`                          | Pod Disruption Budget rules                                                                                                                                                                           | `{}`                                                       |
 | `podManagementPolicy`                          | Whether the pods should be restarted in parallel or one at a time. Either `OrderedReady` or `Parallel`.                                                                                               | `OrderedReady`                                             |
 | `prometheus.exporter.enabled`                  | Configures Prometheus Exporter to expose and scrape stats                                                                                                                                             | `false`                                                    |

diff --git a/stable/rabbitmq-ha/templates/statefulset.yaml b/stable/rabbitmq-ha/templates/statefulset.yaml
@@ -264,6 +264,12 @@ spec:
       {{- if .Values.schedulerName }}
       schedulerName: "{{ .Values.schedulerName }}"
       {{- end }}
+      {{- if .Values.affinity }}
+      affinity:
+      {{- with .Values.affinity }}
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- else }}
       {{- if eq .Values.podAntiAffinity "hard" }}
       affinity:
         podAntiAffinity:
@@ -285,6 +291,8 @@ spec:
                     app: {{ template "rabbitmq-ha.name" . }}
                     release: {{ .Release.Name }}
       {{- end }}
+      {{- end }}
+
       {{- if .Values.priorityClassName }}
       priorityClassName: {{ .Values.priorityClassName }}
       {{- end }}

diff --git a/stable/rabbitmq-ha/values.yaml b/stable/rabbitmq-ha/values.yaml
@@ -417,6 +417,12 @@ statefulSetAnnotations: {}
 podAntiAffinity: soft
 podAntiAffinityTopologyKey: "kubernetes.io/hostname"
 
+## Affinity settings
+## Defining 'affinity' will disable any podAntiAffinity settings.
+## If you still need anti-affinity, you must include the configuration here.
+##
+affinity: {}
+
 ## Create default configMap
 ##
 existingConfigMap: false