Support for Session Affinity option in service template

Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v1
 description: A Helm chart for Docker Registry
 name: docker-registry
-version: 1.9.7
+version: 1.10.0
 appVersion: 2.7.1
 home: https://hub.docker.com/_/registry/
 icon: https://hub.docker.com/public/images/logos/mini-logo.svg

README.md

@@ -49,6 +49,8 @@ their default values.
 | `service.nodePort`          | if `service.type` is `NodePort` and this is non-empty, sets the node port of the service   | `nil`           |
 | `service.loadBalancerIP`     | if `service.type` is `LoadBalancer` and this is non-empty, sets the loadBalancerIP of the service | `nil`          |
 | `service.loadBalancerSourceRanges`| if `service.type` is `LoadBalancer` and this is non-empty, sets the loadBalancerSourceRanges of the service | `nil`           |
+| `service.sessionAffinity`       | service session affinity                                                               | `nil`           |
+| `service.sessionAffinityConfig` | service session affinity config                                                        | `nil`           |
 | `replicaCount`              | k8s replicas                                                                               | `1`             |
 | `updateStrategy`            | update strategy for deployment                                                             | `{}`            |
 | `podAnnotations`            | Annotations for pod                                                                        | `{}`            |

templates/service.yaml

@@ -21,6 +21,13 @@ spec:
 {{- end }}
 {{- if (and (eq .Values.service.type "LoadBalancer") (not (empty .Values.service.loadBalancerSourceRanges))) }}
   loadBalancerSourceRanges: {{ .Values.service.loadBalancerSourceRanges }}
+{{- end }}
+{{- if .Values.service.sessionAffinity }}
+  sessionAffinity: {{ .Values.service.sessionAffinity }}
+  {{- if .Values.service.sessionAffinityConfig }}
+  sessionAffinityConfig:
+    {{ toYaml .Values.service.sessionAffinityConfig | nindent 4 }}
+  {{- end -}}
 {{- end }}
   ports:
     - port: {{ .Values.service.port }}

values.yaml

@@ -21,6 +21,8 @@ image:
 service:
   name: registry
   type: ClusterIP
+  # sessionAffinity: None
+  # sessionAffinityConfig: {}
   # clusterIP:
   port: 5000
   # nodePort: