Chart: Implement HTTP2 appProtocol.

charts/ingress-nginx/README.md

@@ -402,6 +402,7 @@ As of version `1.26.0` of this chart, by simply not providing any clusterIP valu
 | controller.service.annotations | object | `{}` |  |
 | controller.service.appProtocol | bool | `true` | If enabled is adding an appProtocol option for Kubernetes service. An appProtocol field replacing annotations that were using for setting a backend protocol. Here is an example for AWS: service.beta.kubernetes.io/aws-load-balancer-backend-protocol: http It allows choosing the protocol for each backend specified in the Kubernetes service. See the following GitHub issue for more details about the purpose: https://github.com/kubernetes/kubernetes/issues/40244 Will be ignored for Kubernetes versions older than 1.20 # |
 | controller.service.enableHttp | bool | `true` |  |
+| controller.service.enableHttp2 | bool | `false` |  |
 | controller.service.enableHttps | bool | `true` |  |
 | controller.service.enabled | bool | `true` |  |
 | controller.service.external.enabled | bool | `true` |  |

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

@@ -64,14 +64,18 @@ spec:
       nodePort: {{ .Values.controller.service.nodePorts.http }}
     {{- end }}
   {{- end }}
-  {{- if .Values.controller.service.enableHttps }}
+  {{- if or (.Values.controller.service.enableHttps) (.Values.controller.service.enableHttp2) }}
     - name: https
       port: {{ .Values.controller.service.ports.https }}
       protocol: TCP
       targetPort: {{ .Values.controller.service.targetPorts.https }}
     {{- if and (semverCompare ">=1.20" .Capabilities.KubeVersion.Version) (.Values.controller.service.appProtocol) }}
+    {{- if (.Values.controller.service.enableHttp2) }}
+      appProtocol: http2
+    {{- else }}
       appProtocol: https
     {{- end }}
+    {{- end }}
     {{- if (and $setNodePorts (not (empty .Values.controller.service.nodePorts.https))) }}
       nodePort: {{ .Values.controller.service.nodePorts.https }}
     {{- end }}

charts/ingress-nginx/values.yaml

@@ -430,6 +430,7 @@ controller:
     loadBalancerClass: ""
     enableHttp: true
     enableHttps: true
+    enableHttp2: false
     ## Set external traffic policy to: "Local" to preserve source IP on providers supporting it.
     ## Ref: https://kubernetes.io/docs/tutorials/services/source-ip/#source-ip-for-services-with-typeloadbalancer
     # externalTrafficPolicy: ""

magefiles/helm.go

@@ -374,6 +374,7 @@ type IngressChartValue struct {
 			LoadBalancerSourceRanges []interface{} `yaml:"loadBalancerSourceRanges"`
 			EnableHTTP               bool          `yaml:"enableHttp"`
 			EnableHTTPS              bool          `yaml:"enableHttps"`
+			EnableHTTP2              bool          `yaml:"enableHttp2"`
 			IPFamilyPolicy           string        `yaml:"ipFamilyPolicy"`
 			IPFamilies               []string      `yaml:"ipFamilies"`
 			Ports                    struct {