Add istio VirtualService support to registry.

@@ -11,6 +11,14 @@ environments:
           service:
             registry:
               nodePort: 32123
+        istioVirtualService:
+          enabled: true
+          jsonPatches: []
+          strategicMergePatches: []
+          gateways:
+            - default/cluster-local-gateway
+          vhosts:
+            - registry.local
         images:
           debian: "debian:bullseye-20211220"
           registry: "registry:2"
@@ -25,7 +33,6 @@ helmfiles:
           redis: {{ .Values.images.redis }}
 
 releases:
-
   - name: {{ .Values.namePrefix }}registry
     namespace: {{ .Values.namespace }}
     chart: .
@@ -44,10 +51,40 @@ releases:
           - op: replace
             path: /spec/ports/0/nodePort
             value: {{ .Values.registry.service.registry.nodePort }}
+      {{- if .Values.istioVirtualService.enabled }}
+      - target:
+          kind: VirtualService
+          name: {{ .Values.namePrefix }}registry
+          namespace: {{ .Values.namespace }}
+          version: v1beta1
+          group: networking.istio.io
+        patch:
+          - op: replace
+            path: /spec/http/0/route/0/destination/host
+            value: {{ .Values.namePrefix }}registry
+      {{- end }}
       {{- if not (empty (.Values.registry.jsonPatches)) }}
       {{- .Values.registry.jsonPatches | toYaml | indent 6 }}
       {{- end }}
     strategicMergePatches:
+      - apiVersion: networking.istio.io/v1beta1
+        kind: VirtualService
+        metadata:
+          name: {{ .Values.namePrefix }}registry
+          namespace: {{ .Values.namespace }}
+      {{- if .Values.istioVirtualService.enabled }}
+        spec:
+          hosts:
+            {{- range $vhost_index, $vhost := .Values.istioVirtualService.vhosts }}
+            - {{ $vhost | quote }}
+            {{- end }}
+          gateways:
+            {{- range $gateway_index, $gateway := .Values.istioVirtualService.gateways }}
+            - {{ $gateway | quote }}
+            {{- end }}
+      {{- else }}
+        $patch: delete
+      {{- end }}
       - apiVersion: apps/v1
         kind: Deployment
         metadata:

 ---
+apiVersion: networking.istio.io/v1beta1
+kind: VirtualService
+metadata:
+  name: registry
+spec:
+  hosts:
+  - "registry.local"
+  gateways:
+  - default/cluster-local-gateway
+  http:
+  - route:
+    - destination:
+        port:
+          number: 5000
+        host: registry
+---
 apiVersion: v1
 kind: Service
 metadata: