docs: add notes in chart templates for accessing httproute

Signed-off-by: Henrik Gerdes <hegerdes@outlook.de>

pkg/chart/v2/util/create.go

@@ -189,6 +189,7 @@ httpRoute:
   parentRefs:
   - name: gateway
     sectionName: http
+    # namespace: default
   # -- Hostnames matching HTTP header.
   hostnames:
   - "example.com"
@@ -525,7 +526,20 @@ spec:
 `
 
 const defaultNotes = `1. Get the application URL by running these commands:
-{{- if .Values.ingress.enabled }}
+{{- if .Values.httpRoute.enabled }}
+{{- if .Values.httpRoute.hostnames }}
+    export APP_HOSTNAME={{ .Values.httpRoute.hostnames | first }}
+{{- else }}
+    export APP_HOSTNAME=$(kubectl get --namespace {{(first .Values.httpRoute.parentRefs).namespace | default .Release.Namespace }} gateway/{{ (first .Values.httpRoute.parentRefs).name }} -o jsonpath="{.spec.listeners[0].hostname}")
+  {{- end }}
+{{- if and .Values.httpRoute.rules (first .Values.httpRoute.rules).matches (first (first .Values.httpRoute.rules).matches).path.value }}
+    echo "Visit http://$APP_HOSTNAME{{ (first (first .Values.httpRoute.rules).matches).path.value }} to use your application"
+
+    NOTE: Your HTTPRoute depends on the listener configuration of your gateway and your HTTPRoute rules.
+    The rules can be set for path, method, header and query parameters.
+    You can check the gateway configuration with 'kubectl get --namespace {{(first .Values.httpRoute.parentRefs).namespace | default .Release.Namespace }} gateway/{{ (first .Values.httpRoute.parentRefs).name }} -o yaml'
+{{- end }}
+{{- else if .Values.ingress.enabled }}
 {{- range $host := .Values.ingress.hosts }}
   {{- range .paths }}
   http{{ if $.Values.ingress.tls }}s{{ end }}://{{ $host.host }}{{ .path }}