Add nodeSelector to stable/redis (#1290)

This commit adds support for `nodeSelector` and `tolerations` to the
`stable/redis` chart.

stable/redis/Chart.yaml

@@ -1,5 +1,5 @@
 name: redis
-version: 0.7.1
+version: 0.8.0
 appVersion: 3.2.9
 description: Open source, advanced key-value store. It is often referred to as a data structure server since keys can contain strings, hashes, lists, sets and sorted sets.
 keywords:

stable/redis/README.md

@@ -60,6 +60,8 @@ The following tables lists the configurable parameters of the Redis chart and th
 | `metrics.imageTag`         | Exporter image                        | `v0.11`                                                   |
 | `metrics.imagePullPolicy`  | Exporter image pull policy            | `IfNotPresent`                                            |
 | `metrics.resources`        | Exporter resource requests/limit      | Memory: `256Mi`, CPU: `100m`                              |
+| `nodeSelector`             | Node labels for pod assignment        | {}                                                        |
+| `tolerations`              | Toleration labels for pod assignment  | []                                                        |
 
 The above parameters map to the env variables defined in [bitnami/redis](http://github.com/bitnami/bitnami-docker-redis). For more information please refer to the [bitnami/redis](http://github.com/bitnami/bitnami-docker-redis) image documentation.
 

stable/redis/templates/deployment.yaml

@@ -13,6 +13,14 @@ spec:
       labels:
         app: {{ template "fullname" . }}
     spec:
+      {{- if .Values.nodeSelector }}
+      nodeSelector:
+{{ toYaml .Values.nodeSelector | indent 8 }}
+      {{- end }}
+      {{- if .Values.tolerations }}
+      tolerations:
+{{ toYaml .Values.tolerations | indent 8 }}
+      {{- end }}
       containers:
       - name: {{ template "fullname" . }}
         image: "{{ .Values.image }}"

stable/redis/values.yaml

@@ -52,3 +52,9 @@ resources:
   requests:
     memory: 256Mi
     cpu: 100m
+
+## Node labels and tolerations for pod assignment
+## ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#nodeselector
+## ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#taints-and-tolerations-beta-feature
+nodeSelector: {}
+tolerations: []