[stable/nginx-ingress] Add support for priorityClasses (#6611)

- add support for priorityClasses

stable/nginx-ingress/Chart.yaml

@@ -1,5 +1,5 @@
 name: nginx-ingress
-version: 0.22.1
+version: 0.23.0
 appVersion: 0.15.0
 home: https://github.com/kubernetes/ingress-nginx
 description: An nginx Ingress controller that uses ConfigMap to store the nginx configuration.

stable/nginx-ingress/README.md

@@ -74,6 +74,7 @@ Parameter | Description | Default
 `controller.replicaCount` | desired number of controller pods | `1`
 `controller.minAvailable` | minimum number of available controller pods for PodDisruptionBudget | `1`
 `controller.resources` | controller pod resource requests & limits | `{}`
+`controller.priorityClassName` | controller priorityClassName | `nil`
 `controller.lifecycle` | controller pod lifecycle hooks | `{}`
 `controller.service.annotations` | annotations for controller service | `{}`
 `controller.service.labels` | labels for controller service | `{}`
@@ -136,6 +137,7 @@ Parameter | Description | Default
 `defaultBackend.replicaCount` | desired number of default backend pods | `1`
 `defaultBackend.minAvailable` | minimum number of available default backend pods for PodDisruptionBudget | `1`
 `defaultBackend.resources` | default backend pod resource requests & limits | `{}`
+`defaultBackend.priorityClassName` | default backend  priorityClassName | `nil`
 `defaultBackend.service.annotations` | annotations for default backend service | `{}`
 `defaultBackend.service.clusterIP` | internal default backend cluster service IP | `""`
 `defaultBackend.service.externalIPs` | default backend service external IP addresses | `[]`

stable/nginx-ingress/templates/controller-daemonset.yaml

@@ -34,6 +34,9 @@ spec:
       imagePullSecrets:
 {{ toYaml .Values.imagePullSecrets | indent 8 }}
       {{- end }}
+{{- if .Values.controller.priorityClassName }}
+      priorityClassName: "{{ .Values.controller.priorityClassName }}"
+{{- end }}
       containers:
         - name: {{ template "nginx-ingress.name" . }}-{{ .Values.controller.name }}
           image: "{{ .Values.controller.image.repository }}:{{ .Values.controller.image.tag }}"

stable/nginx-ingress/templates/controller-deployment.yaml

@@ -34,6 +34,9 @@ spec:
       imagePullSecrets:
 {{ toYaml .Values.imagePullSecrets | indent 8 }}
       {{- end }}
+{{- if .Values.controller.priorityClassName }}
+      priorityClassName: "{{ .Values.controller.priorityClassName }}"
+{{- end }}
       containers:
         - name: {{ template "nginx-ingress.name" . }}-{{ .Values.controller.name }}
           image: "{{ .Values.controller.image.repository }}:{{ .Values.controller.image.tag }}"

stable/nginx-ingress/templates/default-backend-deployment.yaml

@@ -30,6 +30,9 @@ spec:
       imagePullSecrets:
 {{ toYaml .Values.imagePullSecrets | indent 8 }}
       {{- end }}
+{{- if .Values.defaultBackend.priorityClassName }}
+      priorityClassName: "{{ .Values.defaultBackend.priorityClassName }}"
+{{- end }}
       containers:
         - name: {{ template "nginx-ingress.name" . }}-{{ .Values.defaultBackend.name }}
           image: "{{ .Values.defaultBackend.image.repository }}:{{ .Values.defaultBackend.image.tag }}"

stable/nginx-ingress/values.yaml

@@ -274,6 +274,8 @@ controller:
 
   lifecycle: {}
 
+  priorityClassName: ""
+
 ## Rollback limit
 ##
 revisionHistoryLimit: 10
@@ -344,6 +346,8 @@ defaultBackend:
     servicePort: 80
     type: ClusterIP
 
+  priorityClassName: ""
+
 ## Enable RBAC as per https://github.com/kubernetes/ingress/tree/master/examples/rbac/nginx and https://github.com/kubernetes/ingress/issues/266
 rbac:
   create: true