Add tolerations and node selector to postgresql (#1850)

stable/postgresql/Chart.yaml

@@ -1,5 +1,5 @@
 name: postgresql
-version: 0.8.1
+version: 0.8.2
 description: Object-relational database management system (ORDBMS) with an emphasis on extensibility and on standards-compliance.
 keywords:
 - postgresql

stable/postgresql/README.md

@@ -70,6 +70,8 @@ The following tables lists the configurable parameters of the PostgresSQL chart
 | `service.type`             | k8s service type exposing ports, e.g. `NodePort`| `ClusterIP`                                                |
 | `networkPolicy.enabled`    | Enable NetworkPolicy                            | `false`                                                    |
 | `networkPolicy.allowExternal` | Don't require client label for connections   | `true`                                                     |
+| `nodeSelector`             | Node labels for pod assignment                  | {}                                                         |
+| `tolerations`              | Toleration labels for pod assignment            | []                                                         |
 
 The above parameters map to the env variables defined in [postgres](http://github.com/docker-library/postgres). For more information please refer to the [postgres](http://github.com/docker-library/postgres) image documentation.
 

stable/postgresql/templates/deployment.yaml

@@ -13,6 +13,14 @@ spec:
       labels:
         app: {{ template "postgresql.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 "postgresql.fullname" . }}
         image: "{{ .Values.image }}:{{ .Values.imageTag }}"

stable/postgresql/values.yaml

@@ -89,3 +89,9 @@ networkPolicy:
   ## (with the correct destination port).
   ##
   allowExternal: true
+
+## 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: []