Chart: Render controller.ingressClassResource.parameters natively. (kubernetes#11108)

Author: Gacko

charts/ingress-nginx/templates/_helpers.tpl

@@ -242,16 +242,6 @@ Check the ingress controller version tag is at most three versions behind the la
 {{- end -}}
 {{- end -}}
 
-{{/*
-IngressClass parameters.
-*/}}
-{{- define "ingressClass.parameters" -}}
-  {{- if .Values.controller.ingressClassResource.parameters -}}
-          parameters:
-{{ toYaml .Values.controller.ingressClassResource.parameters | indent 4}}
-  {{ end }}
-{{- end -}}
-
 {{/*
 Extra modules.
 */}}

charts/ingress-nginx/templates/controller-ingressclass.yaml

@@ -9,11 +9,13 @@ metadata:
     {{- toYaml . | nindent 4 }}
     {{- end }}
   name: {{ .Values.controller.ingressClassResource.name }}
-{{- if .Values.controller.ingressClassResource.default }}
+  {{- if .Values.controller.ingressClassResource.default }}
   annotations:
     ingressclass.kubernetes.io/is-default-class: "true"
-{{- end }}
+  {{- end }}
 spec:
   controller: {{ .Values.controller.ingressClassResource.controllerValue }}
-  {{ template "ingressClass.parameters" . }}
+  {{- with .Values.controller.ingressClassResource.parameters }}
+  parameters: {{ toYaml . | nindent 4 }}
+  {{- end }}
 {{- end }}

charts/ingress-nginx/tests/controller-daemonset_test.yaml

@@ -33,6 +33,15 @@ tests:
           path: spec.template.spec.containers[0].args
           content: --enable-metrics=false
 
+  - it: should create a DaemonSet with argument `--controller-class=k8s.io/ingress-nginx-internal` if `controller.ingressClassResource.controllerValue` is "k8s.io/ingress-nginx-internal"
+    set:
+      controller.kind: DaemonSet
+      controller.ingressClassResource.controllerValue: k8s.io/ingress-nginx-internal
+    asserts:
+      - contains:
+          path: spec.template.spec.containers[0].args
+          content: --controller-class=k8s.io/ingress-nginx-internal
+
   - it: should create a DaemonSet with resource limits if `controller.resources.limits` is set
     set:
       controller.kind: DaemonSet

charts/ingress-nginx/tests/controller-deployment_test.yaml

@@ -59,6 +59,14 @@ tests:
           path: spec.template.spec.containers[0].args
           content: --enable-metrics=false
 
+  - it: should create a Deployment with argument `--controller-class=k8s.io/ingress-nginx-internal` if `controller.ingressClassResource.controllerValue` is "k8s.io/ingress-nginx-internal"
+    set:
+      controller.ingressClassResource.controllerValue: k8s.io/ingress-nginx-internal
+    asserts:
+      - contains:
+          path: spec.template.spec.containers[0].args
+          content: --controller-class=k8s.io/ingress-nginx-internal
+
   - it: should create a Deployment with resource limits if `controller.resources.limits` is set
     set:
       controller.resources.limits.cpu: 500m

charts/ingress-nginx/tests/controller-ingressclass_test.yaml

@@ -0,0 +1,77 @@
+suite: Controller > IngressClass
+templates:
+  - controller-ingressclass.yaml
+
+tests:
+  - it: should create an IngressClass
+    asserts:
+      - hasDocuments:
+          count: 1
+      - isKind:
+          of: IngressClass
+      - equal:
+          path: metadata.name
+          value: nginx
+
+  - it: should create an IngressClass with name "nginx-internal" if `controller.ingressClassResource.name` is "nginx-internal"
+    set:
+      controller.ingressClassResource.name: nginx-internal
+    asserts:
+      - hasDocuments:
+          count: 1
+      - isKind:
+          of: IngressClass
+      - equal:
+          path: metadata.name
+          value: nginx-internal
+
+  - it: "should create an IngressClass with annotation `ingressclass.kubernetes.io/is-default-class: \"true\"` if `controller.ingressClassResource.default` is true"
+    set:
+      controller.ingressClassResource.default: true
+    asserts:
+      - hasDocuments:
+          count: 1
+      - isKind:
+          of: IngressClass
+      - equal:
+          path: metadata.name
+          value: nginx
+      - equal:
+          path: metadata.annotations["ingressclass.kubernetes.io/is-default-class"]
+          value: "true"
+
+  - it: should create an IngressClass with controller "k8s.io/ingress-nginx-internal" if `controller.ingressClassResource.controllerValue` is "k8s.io/ingress-nginx-internal"
+    set:
+      controller.ingressClassResource.controllerValue: k8s.io/ingress-nginx-internal
+    asserts:
+      - hasDocuments:
+          count: 1
+      - isKind:
+          of: IngressClass
+      - equal:
+          path: metadata.name
+          value: nginx
+      - equal:
+          path: spec.controller
+          value: k8s.io/ingress-nginx-internal
+
+  - it: should create an IngressClass with parameters if `controller.ingressClassResource.parameters` is set
+    set:
+      controller.ingressClassResource.parameters:
+        apiGroup: k8s.example.com
+        kind: IngressParameters
+        name: external-lb
+    asserts:
+      - hasDocuments:
+          count: 1
+      - isKind:
+          of: IngressClass
+      - equal:
+          path: metadata.name
+          value: nginx
+      - equal:
+          path: spec.parameters
+          value:
+            apiGroup: k8s.example.com
+            kind: IngressParameters
+            name: external-lb