add gateway api support due to ingress nginx retirement (#1432)

Co-authored-by: houseme <housemecn@gmail.com>

helm/rustfs/templates/gateway-api/gateway.yml

@@ -0,0 +1,23 @@
+{{- if .Values.gatewayApi.enabled }}
+apiVersion: gateway.networking.k8s.io/v1
+kind: Gateway
+metadata:
+  name: {{ include "rustfs.fullname" . }}-gateway
+spec:
+  gatewayClassName: {{ .Values.gatewayApi.gatewayClass }}
+  listeners:
+    - name: http
+      port: 80
+      protocol: HTTP
+      allowedRoutes:
+        namespaces:
+          from: Same
+    - name: https
+      port: 443
+      protocol: HTTPS
+      tls:
+        mode: Terminate
+        certificateRefs:
+          - name: {{ .Values.gatewayApi.secretName }}
+            kind: Secret
+{{- end }}

helm/rustfs/templates/gateway-api/httproute.yml

@@ -0,0 +1,19 @@
+{{- if .Values.gatewayApi.enabled -}}
+apiVersion: gateway.networking.k8s.io/v1
+kind: HTTPRoute
+metadata:
+  name: {{ include "rustfs.fullname" . }}-route
+spec:
+  parentRefs:
+    - name: {{ include "rustfs.fullname" . }}-gateway
+  hostnames:
+    - {{ .Values.gatewayApi.hostname }}
+  rules:
+    - matches:
+        - path:
+            type: PathPrefix
+            value: /
+      backendRefs:
+        - name: rustfs-svc
+          port: 9001
+{{- end }}

helm/rustfs/templates/secret-tls.yaml

@@ -1,4 +1,4 @@
-{{- if and .Values.ingress.tls.enabled (not .Values.ingress.tls.certManager.enabled) }}
+{{- if and (or .Values.gatewayApi.enabled .Values.ingress.tls.enabled) (not .Values.ingress.tls.certManager.enabled) }}
 apiVersion: v1
 kind: Secret
 metadata:

helm/rustfs/values.yaml

@@ -135,6 +135,12 @@ ingress:
     crt: tls.crt
     key: tls.key
 
+gatewayApi:
+  enabled: false
+  gatewayClass: traefik
+  hostname: example.rustfs.com
+  secretName: secret-tls
+
 resources:
   # We usually recommend not to specify default resources and to leave this as a conscious
   # choice for the user. This also increases chances charts run on environments with little