[node-red] Added serviceAccountName to pod spec (#54)

* Added option to specify ServiceAccount (needed to associate a PodSecurityPolicy)

* Bumped chart version, added variable to README

* Bumped version to 3.1.0, as per request

charts/node-red/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 appVersion: 1.0.6-12
 description: Node-RED is low-code programming for event-driven applications
 name: node-red
-version: 3.0.0
+version: 3.1.0
 keywords:
   - nodered
   - node-red

charts/node-red/README.md

@@ -42,6 +42,7 @@ The following tables lists the configurable parameters of the Node-RED chart and
 | `image.tag`                        | node-red image tag                                                      | `1.0.6-12-minimal`        |
 | `image.pullPolicy`                 | node-red image pull policy                                              | `IfNotPresent`            |
 | `strategyType`                     | Specifies the strategy used to replace old Pods by new ones             | `Recreate`                |
+| `serviceAccountName`               | Service account to run the pod as                                       | ``                        |
 | `livenessProbePath`                | Default livenessProbe path                                              | `/`                       |
 | `readinessProbePath`               | Default readinessProbe path                                             | `/`                       |
 | `flows`                            | Default flows configuration                                             | `flows.json`              |

charts/node-red/templates/deployment.yaml

@@ -33,6 +33,9 @@ spec:
         {{- end }}
       {{- end }}
     spec:
+    {{- if .Values.serviceAccountName }}
+      serviceAccountName: {{ .Values.serviceAccountName }}
+    {{- end }}
       containers:
         - name: {{ .Chart.Name }}
           image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"

charts/node-red/values.yaml

@@ -13,6 +13,8 @@ image:
 nameOverride: ""
 fullnameOverride: ""
 
+serviceAccountName: ""
+
 livenessProbePath: /
 readinessProbePath: /