helm: add priorityClassName option

Signed-off-by: Carlos Eduardo Arango Gutierrez <[email protected]>

Author: ArangoGutierrez

deployment/helm/node-feature-discovery/templates/master.yaml

@@ -27,6 +27,9 @@ spec:
         {{- toYaml . | nindent 8 }}
       {{- end }}
     spec:
+    {{- with .Values.priorityClassName }}
+      priorityClassName: {{ . }}
+    {{- end }}
     {{- with .Values.imagePullSecrets }}
       imagePullSecrets:
         {{- toYaml . | nindent 8 }}

deployment/helm/node-feature-discovery/templates/nfd-gc.yaml

@@ -29,6 +29,9 @@ spec:
     spec:
       serviceAccountName: {{ include "node-feature-discovery.gc.serviceAccountName" . }}
       dnsPolicy: ClusterFirstWithHostNet
+    {{- with .Values.priorityClassName }}
+      priorityClassName: {{ . }}
+    {{- end }}
     {{- with .Values.imagePullSecrets }}
       imagePullSecrets:
         {{- toYaml . | nindent 8 }}

deployment/helm/node-feature-discovery/templates/topologyupdater.yaml

@@ -28,6 +28,9 @@ spec:
     spec:
       serviceAccountName: {{ include "node-feature-discovery.topologyUpdater.serviceAccountName" . }}
       dnsPolicy: ClusterFirstWithHostNet
+    {{- with .Values.priorityClassName }}
+      priorityClassName: {{ . }}
+    {{- end }}
     {{- with .Values.imagePullSecrets }}
       imagePullSecrets:
         {{- toYaml . | nindent 8 }}

deployment/helm/node-feature-discovery/templates/worker.yaml

@@ -27,6 +27,9 @@ spec:
       {{- end }}
     spec:
       dnsPolicy: ClusterFirstWithHostNet
+    {{- with .Values.priorityClassName }}
+      priorityClassName: {{ . }}
+    {{- end }}
     {{- with .Values.imagePullSecrets }}
       imagePullSecrets:
         {{- toYaml . | nindent 8 }}

deployment/helm/node-feature-discovery/values.yaml

@@ -12,6 +12,8 @@ namespaceOverride: ""
 
 enableNodeFeatureApi: true
 
+priorityClassName: ""
+
 master:
   enable: true
   config: ### <NFD-MASTER-CONF-START-DO-NOT-REMOVE>

docs/deployment/helm.md

@@ -99,6 +99,7 @@ Chart parameters are available.
 | `enableNodeFeatureApi`| bool   | true                                    | Enable the [NodeFeature](../usage/custom-resources.md#nodefeature) CRD API for communicating node features. This will automatically disable the gRPC communication. **NOTE**: this parameter is related to the deprecated gRPC API and will be removed with it in a future release    |
 | `prometheus.enable`   | bool   | false                                   | Specifies whether to expose metrics using prometheus operator                                                                                |
 | `prometheus.labels`   | dict   | {}                                      | Specifies labels for use with the prometheus operator to control how it is selected                                                        |
+| `priorityClassName`   | string |                                         | The name of the PriorityClass to be used for the NFD pods. |
 
 Metrics are configured to be exposed using prometheus operator API's by
 default. If you want to expose metrics using the prometheus operator