Add Helm chart support for Ingress apiVersion networking.k8s.io/v1

chart/templates/ingress.yaml

@@ -1,36 +1,61 @@
 {{- if .Values.ingress.enabled -}}
 {{- $fullName := include "ciao.fullname" . -}}
+{{- $svcPort := .Values.service.port -}}
+{{- if and .Values.ingress.className (not (semverCompare ">=1.18-0" .Capabilities.KubeVersion.GitVersion)) }}
+  {{- if not (hasKey .Values.ingress.annotations "kubernetes.io/ingress.class") }}
+  {{- $_ := set .Values.ingress.annotations "kubernetes.io/ingress.class" .Values.ingress.className}}
+  {{- end }}
+{{- end }}
+{{- if semverCompare ">=1.19-0" .Capabilities.KubeVersion.GitVersion -}}
+apiVersion: networking.k8s.io/v1
+{{- else if semverCompare ">=1.14-0" .Capabilities.KubeVersion.GitVersion -}}
+apiVersion: networking.k8s.io/v1beta1
+{{- else -}}
 apiVersion: extensions/v1beta1
+{{- end }}
 kind: Ingress
 metadata:
   name: {{ $fullName }}
   labels:
-{{ include "ciao.labels" . | indent 4 }}
+    {{- include "ciao.labels" . | nindent 4 }}
   {{- with .Values.ingress.annotations }}
   annotations:
     {{- toYaml . | nindent 4 }}
   {{- end }}
 spec:
-{{- if .Values.ingress.tls }}
+  {{- if and .Values.ingress.className (semverCompare ">=1.18-0" .Capabilities.KubeVersion.GitVersion) }}
+  ingressClassName: {{ .Values.ingress.className }}
+  {{- end }}
+  {{- if .Values.ingress.tls }}
   tls:
-  {{- range .Values.ingress.tls }}
+    {{- range .Values.ingress.tls }}
     - hosts:
-      {{- range .hosts }}
+        {{- range .hosts }}
         - {{ . | quote }}
-      {{- end }}
+        {{- end }}
       secretName: {{ .secretName }}
+    {{- end }}
   {{- end }}
-{{- end }}
   rules:
-  {{- range .Values.ingress.hosts }}
+    {{- range .Values.ingress.hosts }}
     - host: {{ .host | quote }}
       http:
         paths:
-        {{- range .paths }}
-          - path: {{ . }}
+          {{- range .paths }}
+          - path: {{ .path }}
+            {{- if and .pathType (semverCompare ">=1.18-0" $.Capabilities.KubeVersion.GitVersion) }}
+            pathType: {{ .pathType }}
+            {{- end }}
             backend:
+              {{- if semverCompare ">=1.19-0" $.Capabilities.KubeVersion.GitVersion }}
+              service:
+                name: {{ $fullName }}
+                port:
+                  number: {{ $svcPort }}
+              {{- else }}
               serviceName: {{ $fullName }}
-              servicePort: http
-        {{- end }}
-  {{- end }}
+              servicePort: {{ $svcPort }}
+              {{- end }}
+          {{- end }}
+    {{- end }}
 {{- end }}

chart/values.yaml

@@ -70,15 +70,17 @@ service:
 
 ingress:
   enabled: false
+  className: ""
   annotations: {}
     # kubernetes.io/ingress.class: nginx
     # kubernetes.io/tls-acme: "true"
   hosts:
     - host: ciao.local
-      paths: []
-
+      paths:
+        - path: /
+          pathType: ImplementationSpecific
   tls: []
-  #  - secretName: ciao-tls
+  #  - secretName: ciao-ingress-tls
   #    hosts:
   #      - ciao.local