Bump memcached version, add tolerations and affinity support (helm#11134

)

Signed-off-by: Andy Snowden <[email protected]>

stable/memcached/Chart.yaml

@@ -1,6 +1,6 @@
 name: memcached
-version: 2.5.0
-appVersion: 1.5.6
+version: 2.6.0
+appVersion: 1.5.12
 description: Free & open source, high-performance, distributed memory object caching
   system.
 keywords:

stable/memcached/README.md

@@ -54,6 +54,9 @@ The following table lists the configurable parameters of the Memcached chart and
 | `extraVolumes`            | Volume definitions to add as string | Un-set                                              |
 | `kind`                    | Install as StatefulSet or Deployment | StatefulSet                                        |
 | `podAnnotations`          | Map of annotations to add to the pod(s) | `{}`                                            |
+| `nodeSelector`            | Simple pod scheduling control | `{}`                                            |
+| `tolerations`             | Allow or deny specific node taints | `{}`                                            |
+| `affinity`                | Advanced pod scheduling control | `{}`                                            |
 
 The above parameters map to `memcached` params. For more information please refer to the [Memcached documentation](https://github.com/memcached/memcached/wiki/ConfiguringServer).
 

stable/memcached/templates/statefulset.yaml

@@ -91,3 +91,11 @@ spec:
       nodeSelector:
 {{ toYaml . | trim | indent 8}}
 {{- end }}
+{{- with .Values.tolerations }}
+      tolerations:
+{{ toYaml . | trim | indent 8}}
+{{- end }}
+{{- with .Values.affinity }}
+      affinity:
+{{ toYaml . | trim | indent 8}}
+{{- end }}

stable/memcached/values.yaml

@@ -1,7 +1,7 @@
 ## Memcached image and tag
 ## ref: https://hub.docker.com/r/library/memcached/tags/
 ##
-image: memcached:1.5.6-alpine
+image: memcached:1.5.12-alpine
 
 ## Specify a imagePullPolicy
 ## 'Always' if imageTag is 'latest', else set to 'IfNotPresent'
@@ -44,8 +44,17 @@ resources:
     memory: 64Mi
     cpu: 50m
 
+## Key:value pair for assigning pod to specific sets of nodes
+## ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/
 nodeSelector: {}
 
+## ref: https://kubernetes.io/docs/concepts/configuration/taint-and-toleration/
+tolerations: {}
+
+## Advanced scheduling controls
+## ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/
+affinity: {}
+
 metrics:
   ## Expose memcached metrics in Prometheus format
   enabled: false