chart/templates/api-server/api-server-httproute.yaml

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##################################
## Airflow API Server HTTPRoute
##################################
{{- if and .Values.apiServer.enabled .Values.apiServer.httpRoute.enabled }}
{{- if .Values.ingress.apiServer.enabled }}
{{- fail "`apiServer.httpRoute.enabled` and `ingress.apiServer.enabled` are both set to `true`. HTTPRoute (Gateway API) is an alternative to the API server Ingress; enable only one of them." }}
{{- end }}
{{- if not (.Capabilities.APIVersions.Has "gateway.networking.k8s.io/v1") }}
{{- fail "`apiServer.httpRoute.enabled` is `true` but the Gateway API HTTPRoute CRD (`gateway.networking.k8s.io/v1`) is not installed in the cluster. Install the Gateway API CRDs (https://gateway-api.sigs.k8s.io/guides/#installing-gateway-api) before enabling `apiServer.httpRoute`." }}
{{- end }}
{{- if not .Values.apiServer.httpRoute.parentRefs }}
{{- fail "`apiServer.httpRoute.enabled` is `true` but `apiServer.httpRoute.parentRefs` is empty. An HTTPRoute must reference at least one parent Gateway; set `apiServer.httpRoute.parentRefs`." }}
{{- end }}
{{- $fullname := include "airflow.fullname" . }}
apiVersion: gateway.networking.k8s.io/v1
kind: HTTPRoute
metadata:
  name: {{ $fullname }}-api-server-httproute
  labels:
    tier: airflow
    component: airflow-api-server-httproute
    release: {{ .Release.Name }}
    chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
    heritage: {{ .Release.Service }}
    {{- if or .Values.labels .Values.apiServer.labels .Values.apiServer.httpRoute.labels }}
      {{- mustMerge .Values.apiServer.httpRoute.labels .Values.apiServer.labels .Values.labels | toYaml | nindent 4 }}
    {{- end }}
  {{- with .Values.apiServer.httpRoute.annotations }}
  annotations: {{- toYaml . | nindent 4 }}
  {{- end }}
spec:
  parentRefs: {{- toYaml .Values.apiServer.httpRoute.parentRefs | nindent 4 }}
  {{- with .Values.apiServer.httpRoute.hostnames }}
  hostnames:
    {{- range . }}
    - {{ tpl . $ | quote }}
    {{- end }}
  {{- end }}
  rules:
    {{- if .Values.apiServer.httpRoute.rules }}
    {{- toYaml .Values.apiServer.httpRoute.rules | nindent 4 }}
    {{- else }}
    - matches:
        - path:
            type: {{ .Values.apiServer.httpRoute.pathType }}
            value: {{ .Values.apiServer.httpRoute.path | quote }}
      backendRefs:
        - name: {{ $fullname }}-api-server
          port: {{ .Values.ports.apiServer }}
    {{- end }}
{{- end }}